{"id":90826,"date":"2017-07-12T06:30:44","date_gmt":"2017-07-11T22:30:44","guid":{"rendered":"\/\/m.iemloyee.com\/?p=90826"},"modified":"2017-07-10T20:01:28","modified_gmt":"2017-07-10T12:01:28","slug":"%e9%99%88%e6%a3%8badv-energy-mater-%e6%9c%80%e6%96%b0%e7%bb%bc%e8%bf%b0%ef%bc%9a%e6%b7%b7%e5%90%88%e9%92%99%e9%92%9b%e7%9f%bf%e5%9c%a8%e5%a4%aa%e9%98%b3%e8%83%bd%e7%94%b5%e6%b1%a0%e4%b8%ad%e7%9a%84","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=90826","title":{"rendered":"\u9648\u68cbAdv. Energy Mater.\u6700\u65b0\u7efc\u8ff0\uff1a\u6df7\u5408\u9499\u949b\u77ff\u5728\u592a\u9633\u80fd\u7535\u6c60\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u5364\u4ee3\u9499\u949b\u77ff\uff08\u5177\u6709ABX3<\/sub>\u7ed3\u6784\uff09\u6750\u6599\u7531\u4e8e\u5176\u5149\u5b66\u5438\u6536\u7cfb\u6570\u9ad8\uff0c\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u9ad8\uff0c\u8f7d\u6d41\u5b50\u6269\u6563\u957f\u5ea6\u957f\u7b49\u7279\u70b9\u5df2\u7ecf\u6210\u4e3a\u5149\u4f0f\uff08PV\uff09\u5e94\u7528\u7684\u201c\u68a6\u60f3\u6750\u6599\u201d\u3002\u4f7f\u5f97\u5149\u4f0f\u8bbe\u5907\u5728\u521b\u7eaa\u5f55\u7684\u65f6\u95f4\u5185\u80fd\u591f\u8fbe\u5230\u9ad8\u4e8e20\uff05\u7684\u529f\u7387\u8f6c\u6362\u6548\u7387\uff08PCE\uff09\u3002\u8fdb\u4e00\u6b65\u8ffd\u6c42\u66f4\u9ad8\u7684PCE\u548c\u6539\u5584\u7684\u7a33\u5b9a\u6027\u4f7f\u6240\u8c13\u7684\u201c\u6df7\u5408\u7ec4\u5408\u7269\u201dPVSK\u6750\u6599\u8d8a\u6765\u8d8a\u53d7\u5230\u5173\u6ce8\uff0c\u5b83\u4eec\u7531\u5177\u6709\u76f8\u4f3c\u5c3a\u5bf8\u7684\u66ff\u4ee3\u5143\u4ef6\/\u5206\u5b50\u7684A\uff0cB\u548c\/\u6216X\u4f4d\u70b9\u7684\u90e8\u5206\u53d6\u4ee3\u7ec4\u6210\u3002\u6700\u8fd1\uff0c\u5317\u4eac\u7406\u5de5\u5927\u5b66\u9648\u68cb\u548c\u52a0\u5dde\u5927\u5b66\u6d1b\u6749\u77f6\u5206\u6821Yang yang\uff08\u5171\u540c\u901a\u8baf\uff09\u7b49\u4eba\u5728<\/strong>Advance Energy Materials<\/strong>\u4e0a\u53d1\u8868\u4e86\u6700\u65b0\u7efc\u8ff0\uff1a<\/strong>The Emergence of the Mixed Perovskites and Their Applications as Solar Cells<\/strong>\u3002\u5f3a\u8c03\u4e86\u5f00\u53d1PVS\u6df7\u5408PVSK\u53ca\u5176\u76f8\u5173\u5149\u7535\u5b50\u7279\u6027\u7684\u6700\u65b0\u8fdb\u5c55\u3002\u540c\u65f6\u5173\u6ce8\u4e86\u591a\u6676\u8584\u819c\u5f62\u5f0f\u7684\u6df7\u5408PVSK\u6750\u6599\uff0c\u8fd8\u8ba8\u8bba\u4e86\u7eb3\u7c73\u7ed3\u6784\u548c\u4e8c\u7ef4\uff082D\uff09PVSK\u6750\u6599\uff0c\u5e76\u9610\u8ff0\u4e86\u6df7\u5408PVSK\u7684\u8bbe\u8ba1\u539f\u7406\u548c\u9ad8\u6027\u80fd\u5149\u7535\u5b50\u5668\u4ef6\u7684\u5236\u9020\u6280\u672f\uff0c\u8fd9\u6709\u52a9\u4e8e\u6df1\u5316\u5bf9\u6df7\u5408PVSK\u7cfb\u7edf\u7684\u57fa\u672c\u4e86\u89e3\u3002\u63ed\u793a\u6df7\u5408PVSK\u6750\u6599\u7684\u8bbe\u8ba1\u548c\u5408\u6210\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63a8\u52a8PVSK\u5149\u4f0f\u53d1\u5c55\uff0c\u5b9e\u73b0\u66f4\u9ad8\u7684\u6548\u7387\u548c\u66f4\u957f\u7684\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n

\"\"<\/p>\n

\u7efc\u8ff0\u5bfc\u89c8\u56fe<\/strong><\/p>\n

1 \u6982\u8ff0<\/strong><\/p>\n

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\u91d1\u5c5e\u5364\u5316\u7269PVSK\u91c7\u7528\u5316\u5b66\u5f0fABX3<\/sub>\uff0c\u5176\u4e2dA\u4f4d\u901a\u5e38\u4e3a\u5355\u4ef7\u6709\u673a\u6216\u65e0\u673a\u9633\u79bb\u5b50\uff0cB\u4e3a\u91d1\u5c5e\u9633\u79bb\u5b50\uff0cX\u4e3a\u5364\u7d20\u9634\u79bb\u5b50\u3002A\u4f4d\u7f6e\u4e2d\u7684\u9633\u79bb\u5b50\u53ef\u4ee5\u662f\u6709\u673a\u9633\u79bb\u5b50\u6216\u8005\u65e0\u673a\u9633\u79bb\u5b50\u3002\u6df7\u5408PVSK\u5177\u6709\u7406\u60f3\u5149\u5438\u6536\u4f53\u7684\u51e0\u4e2a\u5c5e\u6027\uff1a\u53ef\u8c03\u5e26\u9699\uff0c\u9ad8\u5438\u6536\u7cfb\u6570\uff0c\u53cc\u6781\u8f7d\u6d41\u5b50\u4f20\u8f93\u6027\u8d28\uff0c\u957f\u8f7d\u6d41\u5b50\u6269\u6563\u957f\u5ea6\u548c\u9ad8\u7f3a\u9677\u8010\u53d7\u6027\u3002\u8fd9\u4e9b\u529f\u80fd\u8fd8\u4f7f\u5f97PVSK\u6750\u6599\u975e\u5e38\u9002\u5408\u4e8e\u53d1\u5149\u4e8c\u6781\u7ba1\uff0c\u6fc0\u5149\u5668\u548c\u5149\u7535\u63a2\u6d4b\u5668\u4e2d\u7684\u5e94\u7528\u3002\u6df7\u5408PVSK\uff08ABX3<\/sub>\uff09\u7684\u6676\u4f53\u7ed3\u6784\u7531\u89d2\u5171\u4eab[BX6<\/sub>]4-<\/sup>\u516b\u9762\u4f53\u7ec4\u6210\uff0c\u5176\u4e2dA\u9633\u79bb\u5b50\u5360\u636e\u76f8\u90bb\u516b\u9762\u4f53\u4e4b\u95f4\u7684\u7a7a\u9699\u3002A\u9633\u79bb\u5b50\u7684\u5f62\u72b6\uff0c\u5927\u5c0f\u548c\u7535\u8377\u5206\u5e03\u5bf9PVSK\u7ed3\u6784\u7684\u7a33\u5b9a\u81f3\u5173\u91cd\u8981\u3002 ABX3<\/sub>\u6df7\u5408PVSK\u7684\u5c5e\u6027\u662f\u7ed3\u6784\u591a\u529f\u80fd\u6027\uff0c\u4ee5\u7ed3\u5408\u4e0d\u540c\u79cd\u7c7b\u7684\u9634\u79bb\u5b50\/\u9633\u79bb\u5b50\u5f62\u6210\u6df7\u5408\u7684PVSK\uff08\u56fa\u6eb6\u4f53\uff09\uff0c\u5bfc\u81f4\u6750\u6599\u7269\u7406\u548c\u5316\u5b66\u6027\u8d28\u7684\u53d8\u5316\uff0c\u5305\u62ec\u6676\u4f53\u7ed3\u6784\u53c2\u6570\uff0c\u5e26\u9699\uff0c\u8f7d\u4f53\u884c\u4e3a\uff0c\u7f3a\u9677\u6027\u8d28\uff0c\u76f8\u4f4d\u7a33\u5b9a\u6027\uff0c\u6c34\u5206\u548c\/\u6216\u8010\u70ed\u6027\u3002\u7814\u7a76\u6df7\u5408PVSK\u7528\u4e8ePSC\u662f\u7531\u4e8e\u7eafPVSK\u5316\u5408\u7269\u7684\u7a33\u5b9a\u6027\u5dee\uff0c\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\u9762\u4e34\u7740\u91cd\u5927\u6311\u6218\u3002\u672c\u6587\u91cd\u70b9\u4ecb\u7ecd\u4e86PVSK\u6df7\u5408\u7269\u7684\u6700\u65b0\u53d1\u5c55\uff0c\u4e3b\u8981\u5173\u6ce8\u4e86\u8584\u819c\u5149\u4f0f\u5e94\u7528\u3002\u6df7\u5408\u7684PVSK\u5305\u62ec\u5355\u4e2a\u4f4d\u70b9\uff08A\uff0cB\u548cX\u4f4d\u70b9\uff09\u7684\u6df7\u5408\u4ee5\u53ca\u591a\u4e2a\u4f4d\u70b9\u7684\u6df7\u5408\u3002\u540c\u65f6\u8fd8\u8ba8\u8bba\u4e86\u6df7\u5408PVSK\u4f5c\u4e3a\u56fa\u6eb6\u4f53\uff08\u5408\u91d1\u5316\uff09\u6216\u63ba\u6742\u5242\uff08\u5c11\u91cf\u6742\u8d28\u5f15\u5165\u5230\u4e3b\u4f53\u6750\u6599\u4e2d\uff09\u3002\u6b64\u5916\uff0c\u672c\u6587\u4e2d\u5c06\u8ba8\u8bba\u901a\u8fc7\u5728A\u4f4d\u7f6e\u5f15\u5165\u5927\u7684\u6709\u673a\u9633\u79bb\u5b50\u5408\u6210\u7684\u4e8c\u7ef4\uff082D\uff09PVSK\u3002\u5168\u9762\u4ecb\u7ecd\u4e86\u6df7\u5408PVSK\u6750\u6599\u7684\u6676\u4f53\u7ed3\u6784\uff0c\u8f7d\u6d41\u5b50\u884c\u4e3a\u548c\u7a33\u5b9a\u6027\u4ee5\u53ca\u5668\u4ef6\u6027\u80fd\u548c\u6ede\u540e\u95ee\u9898\u3002\u9664\u8584\u819c\u5149\u4f0f\u4e4b\u5916\uff0c\u8fd8\u5305\u62ec\u4f5c\u4e3a\u5149\u7535\u5b50\u5668\u4ef6\u6784\u5efa\u5757\u7684\u57fa\u4e8e\u6df7\u5408PVSK\u7684\u7eb3\u7c73\u7ed3\u6784\u3002\u5e0c\u671b\u8fd9\u4e00\u8fdb\u5c55\u62a5\u544a\u53ef\u4ee5\u6982\u8ff0\u6df7\u5408PVSK\u7684\u7814\u7a76\u9886\u57df\uff0c\u5e76\u4fc3\u8fdb\u7814\u7a76\u4eba\u5458\u83b7\u5f97\u9ad8\u6548\u548c\u957f\u671f\u7a33\u5b9a\u7684\u592a\u9633\u80fd\u7535\u6c60\u548c\u5176\u4ed6\u5149\u7535\u5b50\u5668\u4ef6\u7684\u6df7\u5408PVSK\u7684\u89c1\u89e3\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5927\u591a\u6570\u5173\u4e8e\u6df7\u5408PVSK\u7684\u7814\u7a76\u96c6\u4e2d\u5728\u5176\u4e2d\u5f62\u6210\u56fa\u6eb6\u4f53\u7684\u5408\u91d1\u5316\u3002\u5e76\u4e14\u6240\u62a5\u9053\u7684\u6eb6\u6db2\u5904\u7406\u7684PVSK\u819c\u7684\u7ec4\u5408\u7269\u901a\u5e38\u662f\u6307\u524d\u4f53\u6eb6\u6db2\u4e2d\u7684\u5143\u7d20\u6469\u5c14\u6bd4\uff0c\u800c\u4e0d\u662f\u96be\u4ee5\u51c6\u786e\u83b7\u5f97\u7684\u6700\u7ec8\u4ea7\u54c1\u4e2d\u7684\u5b9e\u9645\u7ec4\u6210\u3002\u53e6\u5916\u8ba8\u8bba\u4e86PVSK\u4e2d\u7684\u63ba\u6742\u95ee\u9898\u3002\u4ece\u6750\u6599\u79d1\u5b66\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u63ba\u6742\u610f\u5473\u7740\u6709\u610f\u5411\u4e3b\u4f53\u6750\u6599\u4e2d\u6dfb\u52a0\u5fae\u91cf\u7684\u6742\u8d28\u4ee5\u8c03\u6574\u5176\u7535\u5b50\u6027\u8d28\u3002\u4e0e\u5408\u91d1\u5316\u76f8\u6bd4\uff0c\u4e3b\u4f53\u6750\u6599\u4e2d\u7684\u63ba\u6742\u5242\u901a\u5e38\u975e\u5e38\u4f4e\uff0c\u5e76\u4e14\u4e0d\u6539\u53d8\u4e3b\u4f53\u6750\u6599\u7684\u6676\u4f53\u7ed3\u6784\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u56fa\u6eb6\u4f53\u4e2d\u6210\u5206\u7684\u76f8\u5bf9\u91cf\u53ef\u4ee5\u5f88\u9ad8\uff0c\u5728\u5408\u91d1\u5316\u7684\u60c5\u51b5\u4e0b\u53ef\u4ee5\u83b7\u5f97\u5177\u6709\u65b0\u7279\u6027\u7684\u65b0\u6750\u6599\u3002<\/p>\n

\u56fe<\/strong>1 <\/strong>\u7acb\u65b9\u4f53<\/strong>ABX3<\/sub> PVSK<\/strong>\u7684\u6676\u4f53\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u7acb\u65b9\u4f53ABX3<\/sub> PVSK\u7684\u6676\u4f53\u7ed3\u6784\uff1b<\/p>\n

\uff08b\uff09<\/strong>\u663e\u793aA\u548cX\u4f4d\u70b9\u7684\u5e38\u89c1\u53d6\u4ee3\u57fa\u3002<\/p>\n

\u56fe<\/strong>2 <\/strong>\u7531<\/strong>Goldschmidt<\/strong>\u516c\u5dee\u56e0\u5b50\u9884\u6d4b\u7684\u7a33\u5b9a\u6676\u4f53\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>3 FAPbI3<\/sub> PVSK<\/strong>\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u4e09\u4e2aA\u4f4d\u70b9\u9633\u79bb\u5b50\u7684\u7ed3\u6784\uff0cCs+<\/sup>\uff0cMA\uff0cFA\uff1b<\/p>\n

\uff08b\uff09<\/strong>CsPbI3<\/sub>\uff0cMAPbI3<\/sub>\u548cFAPbI3<\/sub>\u7684UV-Vis\u5438\u6536\u5149\u8c31\u3002<\/p>\n

2 A-Site<\/strong>\u6df7\u5408<\/strong>PVSK<\/strong><\/p>\n

2.1 <\/strong>\u57fa\u4e8e<\/strong>MA<\/strong>\uff0c<\/strong>FA<\/strong>\uff0c<\/strong>Cs<\/strong>\u548c<\/strong>Rb<\/strong>\u7684\u6df7\u5408\u9633\u79bb\u5b50<\/strong><\/p>\n

\u7c7b\u4f3c\u4e8e\u5355\u9633\u79bb\u5b50PVSK\u7684\u65b9\u6cd5\u5236\u5907MAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\uff08x=0\u301c1\uff09\u8584\u819c\uff0c\u4e0ePVSK\u591a\u6676\u8584\u819c<\/span>\u76f8\u6bd4\uff0c\u6df7\u5408PVSK\u5355\u6676\u5177\u6709\u4f18\u5f02\u7684\u5149\u7535\u6027\u80fd\uff0c\u7531\u4e8e\u8f83\u957f\u7684\u8f7d\u6d41\u5b50\u6269\u6563\u957f\u5ea6\u548c\u660e\u663e\u8f83\u4f4e\u7684\u5355\u6676\u9677\u9631\u72b6\u6001\u5bc6\u5ea6\u3002 MAPbI3<\/sub>\u5355\u6676\u7684\u8f7d\u6d41\u5b50\u6269\u6563\u957f\u5ea6\u88ab\u8bc1\u660e\u957f\u4e8e175\u03bcm\uff0c\uff0c\u57fa\u4e8e\u5355\u6676PVSK\u6750\u6599\u7684\u5149\u4f0f\u5668\u4ef6\u7684PCE\u9884\u8ba1\u63a5\u8fd125\uff05\u3002\u5728PVSK\u5355\u6676\u7684\u6eb6\u6db2\u5408\u6210\uff0c\u5149\u7535\u7279\u6027\u548c\u5668\u4ef6\u6027\u80fd\u4e0a\u5df2\u7ecf\u5f15\u8d77\u4e86\u8d8a\u6765\u8d8a\u591a\u7684\u5173\u6ce8\u3002\u4e5f\u5236\u5907\u4e86\u6df7\u5408\u9633\u79bb\u5b50MAxFA1-xPbI3\u5355\u6676\uff0c\u5e76\u4f7f\u7528X\u5c04\u7ebf\u7167\u76f8\u7814\u7a76\u4e86\u5b83\u4eec\u7684\u76f8\u884c\u4e3a\u548c\u5b9e\u9645\u7ec4\u6210\u884d\u5c04\u6280\u672f\u548c1H\u6eb6\u6db2NMR \u3002\u901a\u8fc7NMR\u68c0\u67e5\u7684MA \/ FA\u7684\u6469\u5c14\u6bd4\u4e0e\u524d\u4f53\u6eb6\u6db2\u7684\u6469\u5c14\u6bd4\u975e\u5e38\u63a5\u8fd1\uff0c\u8868\u660e\u6df7\u5408\u9633\u79bb\u5b50MAxFA1-xPbI3\u56fa\u6eb6\u4f53\u7684\u5f62\u6210\u5bb9\u6613\u3002\u5177\u6709x\u22640.8\u7684MAxFA1-xPbI3\u5355\u6676\u5728\u5ba4\u6e29\u4e0b\u91c7\u7528\u7acb\u65b9\u6676\u4f53\u7ed3\u6784\uff0c\u800c\u5bf9\u4e8ex = 1\u548cx = 0.9\uff0c\u53ef\u83b7\u5f97\u56db\u65b9\u6676\u4f53\u7ed3\u6784\u3002\u6b64\u5916\uff0c\u5728\u6df7\u5408\u9633\u79bb\u5b50\u7cfb\u7edf\u4e2d\u6ca1\u6709\u89c2\u5bdf\u5230\u4ece\u9ed1\u8272PVSK\u76f8\u5230\u975ePVSK\u03b4\u76f8\u7684\u76f8\u53d8\uff0c\u8fd9\u4e5f\u610f\u5473\u7740\u6df7\u5408\u9633\u79bb\u5b50\u7b56\u7565\u53ef\u4ee5\u5e2e\u52a9\u7a33\u5b9a\u9ed1\u8272PVSK\u76f8\u3002 Bakr\u7b49\u4eba\u53d1\u73b0\u8f83\u5927\u7684\u9633\u79bb\u5b50\uff0c\u4f8b\u5982\u4e59\u57fa\u94f5\uff08EA\uff09\uff0c\u53ef\u4ee5\u5e76\u5165\u4e09\u7ef4\uff083D\uff09MAPbI3 PVSK\u7684\u6676\u683c\u4e2d\u3002\u5408\u6210\u5177\u6709\u5f0f\u4e3aEA0.17MA0.83PbI3\u7684\u5355\u6676\u6df7\u5408\u9633\u79bb\u5b50PVSK\u3002\u8ba4\u4e3a\u6765\u81ea\u8f83\u5927\u7684EA +\u548c\u8f83\u5c0f\u7684MA\u7684\u76f8\u53cd\u6676\u683c\u7578\u53d8\u5e94\u53d8\u7684\u5e73\u8861\u6709\u52a9\u4e8e\u964d\u4f4e\u6df7\u5408\u9633\u79bb\u5b50\u4f53\u7cfb\u7684\u81ea\u7531\u80fd\uff0c\u4ece\u800c\u5f62\u6210\u7a33\u5b9a\u76843D\u6df7\u5408\u9633\u79bb\u5b50\u5355\u6676\u3002\u4e0e\u56db\u65b9\u9762MAPbI3\u76f8\u6bd4\uff0cEA0.17MA0.83PbI3\u5355\u6676\u663e\u793a\u51fa\u6539\u8fdb\u7684\u70ed\u7a33\u5b9a\u6027\u548c\u5177\u6709\u7acb\u65b9\u6676\u4f53\u7ed3\u6784\u7684\u589e\u5f3a\u7684\u7535\u8377\u8f7d\u4f53\u5bff\u547d\u3002\u8868\u660e\u6709\u673a\u9633\u79bb\u5b50\u53ef\u80fd\u4e0d\u662f\u5364\u5316\u94c5PVSK\u7684\u663e\u7740\u8f7d\u4f53\u6027\u80fd\u6240\u5fc5\u9700\u7684\u3002\u6240\u6709\u4e09\u79cd\u5355\u6676PVSK\uff0cMAPbBr3\uff0cFAPbBr3\uff0cCsPbBr3\uff0c\u8868\u73b0\u51fa\u4e0e\u5e26\u8fb9\u8f7d\u4f53\u76f8\u4f3c\u7684\u6027\u8d28\u3002\u9700\u8981\u8fdb\u4e00\u6b65\u4e86\u89e3A\u4f4d\u9633\u79bb\u5b50\u5728APbX3<\/sub>\u7684\u7ed3\u6784\u548c\u7535\u8377\u8f7d\u4f53\u6027\u8d28\u4e2d\u7684\u4f5c\u7528\u3002<\/p>\n

\u7eafPVSK\u6750\u6599\u906d\u53d7\u5149\u4f0f\u5e94\u7528\u7684\u7ed3\u6784\u4e0d\u7a33\u5b9a\u6216\u975e\u7406\u60f3\u5e26\u9699\u3002\u6df7\u5408FA\u4e0eMA\u6216Cs +<\/sup>\u5c06\u5bfc\u81f4PVSK\u5177\u6709\u6539\u8fdb\u7684\u7a33\u5b9a\u6027\u548c\u5149\u7535\u6027\u80fd\u3002 Pellet\u7b49\u4eba\u5728\u4ecb\u89c2PSCs\u4e2d\u5bf9MAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\u7684\u7ed3\u6784\uff0c\u7535\u5b66\u548c\u5149\u7535\u6027\u8d28\u8fdb\u884c\u4e86\u5f00\u521b\u6027\u7814\u7a76\u3002\u5f53x = 0.2\uff08\u4ee5\u524d\u4f53\u6eb6\u6db2\u4e2d\u7684MA:FA\u7684\u6469\u5c14\u6bd4\u8ba1\uff09\u65f6\uff0c\u53ef\u4ee5\u5b8c\u5168\u907f\u514d\u4e0d\u9700\u8981\u7684\u9ec4\u8272\u03b4-FAPbI3<\/sub>\uff0c\u540c\u65f6\u4fdd\u6301FAPbI3\u7684\u5e26\u9699\u51cf\u5c0f\uff08\u56fe4a\uff0cb\uff09\u3002\u5728\u5176\u7814\u7a76\u4e2d\uff0c\u901a\u8fc7\u987a\u5e8f\u6c89\u79ef\u6cd5\u5236\u5907\u4e86\u6df7\u5408\u9633\u79bb\u5b50MAxFA1-xPbI3\u8584\u819c\uff0c\u5176\u4e2d\u901a\u8fc7\u9884\u6c89\u79ef\u7684PbI2<\/sub>\u4ecb\u89c2\u819c\u4e0eMAI\u548cFAI\u5728\u5f02\u4e19\u9187\u4e2d\u53cd\u5e94\u5f62\u6210MAxFA1-xPbI3\u3002\u4ed6\u4eec\u53d1\u73b0\u4e0e\u5355\u9633\u79bb\u5b50\u7c7b\u4f3c\u7269\u76f8\u6bd4\uff0cMA0.6<\/sub>FA0.4<\/sub>PbI3<\/sub>\u4e0e\u5176\u4ed6MA \/ FA\u6bd4\u7684MAxFA1-xPbI3\u76f8\u6bd4\u8868\u73b0\u51fa\u6700\u597d\u7684\u5149\u7535\u6027\u80fd\uff0cPCE\u4e3a14.9\uff05\uff0c\u7531\u4e8e\u8f83\u957f\u6ce2\u957f\u533a\u57df\u7684\u5149\u7684\u6536\u83b7\u6548\u7387\u8f83\u9ad8\uff08\u56fe4c\uff0cd\uff09\u3002\u4ed6\u4eec\u63d0\u51fa\uff0c\u4f18\u5f02\u7684\u8f7d\u6d41\u5b50\u6536\u96c6\u6548\u7387\u53ef\u80fd\u662f\u7531\u4e8e\u57fa\u4e8e\u8367\u5149\u5bff\u547d\u6d4b\u91cf\u7684MA0.6FA0.4PbI3\u819c\u7684\u6fc0\u5b50\u5bff\u547d\u66f4\u957f\u3002\u6709\u8da3\u7684\u662f\uff0c\u4ed6\u4eec\u53d1\u73b0MA0.6FA0.4PbI3\u663e\u793a\u51fa\u4e0eFAPbI3\u76f8\u540c\u7684\u5e26\u9699\u3002 Bein\u7b49\u4eba[55]\u8fd8\u8868\u660e\uff0c\u572825\u2103\u301c250\u2103\u7684\u6e29\u5ea6\u8303\u56f4\u5185\uff0c\u542b\u6709\u5c11\u91cfMA\uff08\u5c0f\u4e8e20\uff05\uff09\u53ef\u4f7f\u03b1-FAPbI3\u7a33\u5b9a\uff08\u56fe4e\uff0cf\uff09\u3002\u4ed6\u4eec\u5047\u8bbe\u03b1-FAPbI3\u7684\u7a33\u5b9a\u6027\u5f52\u56e0\u4e8e\u8f83\u9ad8\u5076\u6781MA\u9633\u79bb\u5b50\u548c[PbI6]\u516b\u9762\u4f53\u7b3c\u4e4b\u95f4\u66f4\u5f3a\u7684\u76f8\u4e92\u4f5c\u7528\u3002\u5c06MA\u7ed3\u5408\u5230FAPbI3\u6676\u4f53\u7ed3\u6784\u4e2d\u4e5f\u5bf9\u5149\u6fc0\u53d1\u8f7d\u6d41\u5b50\u7684\u5bff\u547d\u5177\u6709\u79ef\u6781\u7684\u5f71\u54cd\uff0c\u800c\u6ca1\u6709\u4efb\u4f55\u660e\u663e\u7684\u6676\u683c\u6536\u7f29\u3002<\/p>\n

\u8fd9\u4e9b\u65b9\u6cd5\u901a\u5e38\u5bfc\u81f4\u8bf8\u5982PbI2<\/sub>\u6216\u4e0d\u671f\u671b\u7684\u03b4-FAPbI3<\/sub>\u8584\u819c\u4e2d\u7684\u6742\u8d28\uff0c\u5c06\u5bf9\u5149\u4f0f\u5668\u4ef6\u7684\u6027\u80fd\u6709\u5bb3\u3002\u5df2\u7ecf\u8868\u660e\uff0c\u4e0ePVSK\u591a\u6676\u8584\u819c\u76f8\u6bd4\uff0c\u6df7\u5408PVSK\u5355\u6676\u5177\u6709\u4f18\u5f02\u7684\u5149\u7535\u6027\u80fd\uff0c\u7531\u4e8e\u8f83\u957f\u7684\u8f7d\u6d41\u5b50\u6269\u6563\u957f\u5ea6\u548c\u660e\u663e\u8f83\u4f4e\u7684\u5355\u6676\u9677\u9631\u72b6\u6001\u5bc6\u5ea6\uff0cMAPbI3<\/sub>\u5355\u6676\u7684\u8f7d\u6d41\u5b50\u6269\u6563\u957f\u5ea6\u88ab\u8bc1\u660e\u957f\u4e8e175\u03bcm\uff0c\u57fa\u4e8e\u5355\u6676PVSK\u6750\u6599\u7684\u5149\u4f0f\u5668\u4ef6\u7684PCE\u9884\u8ba1\u63a5\u8fd125\uff05\u3002\u5728PVSK\u5355\u6676\u7684\u6eb6\u6db2\u5408\u6210\uff0c\u5149\u7535\u7279\u6027\u548c\u5668\u4ef6\u6027\u80fd\u4e0a\u5df2\u7ecf\u5f15\u8d77\u4e86\u8d8a\u6765\u8d8a\u591a\u7684\u5173\u6ce8\u3002\u4eba\u4eec\u4e5f\u5236\u5907\u4e86\u6df7\u5408\u9633\u79bb\u5b50MAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\u5355\u6676\uff0c\u5e76\u4f7f\u7528X\u5c04\u7ebf\u7167\u76f8\u7814\u7a76\u4e86\u5b83\u4eec\u7684\u76f8\u884c\u4e3a\u548c\u5b9e\u9645\u7ec4\u6210\u884d\u5c04\u6280\u672f\u548c1H\u6eb6\u6db2NMR\uff0c\u901a\u8fc7NMR\u68c0\u67e5\u7684MA\/FA\u7684\u6469\u5c14\u6bd4\u4e0e\u524d\u4f53\u6eb6\u6db2\u7684\u6469\u5c14\u6bd4\u975e\u5e38\u63a5\u8fd1\uff0c\u8868\u660e\u6df7\u5408\u9633\u79bb\u5b50MAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\u56fa\u6eb6\u4f53\u7684\u5f62\u6210\u76f8\u5bf9\u5bb9\u6613\u3002\u5177\u6709x\u22640.8\u7684MAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\u5355\u6676\u5728\u5ba4\u6e29\u4e0b\u91c7\u7528\u7acb\u65b9\u6676\u4f53\u7ed3\u6784\uff0c\u800c\u5bf9\u4e8ex=1\u548cx=0.9\uff0c\u53ef\u83b7\u5f97\u56db\u65b9\u6676\u4f53\u7ed3\u6784\u3002\u6b64\u5916\uff0c\u5728\u6df7\u5408\u9633\u79bb\u5b50\u7cfb\u7edf\u4e2d\u6ca1\u6709\u89c2\u5bdf\u5230\u4ece\u9ed1\u8272PVSK\u76f8\u5230\u975ePVSK\u03b4\u76f8\u7684\u76f8\u53d8\uff0c\u8fd9\u4e5f\u610f\u5473\u7740\u6df7\u5408\u9633\u79bb\u5b50\u7b56\u7565\u53ef\u4ee5\u5e2e\u52a9\u7a33\u5b9a\u9ed1\u8272PVSK\u76f8\u3002\u4e0eMA\u7c7b\u4f3c\uff0c\u5c06Cs+<\/sup>\uff08\u79bb\u5b50\u534a\u5f84\u4e3a1.81\uff09\u5e76\u5165FAPbX3<\/sub>\u4e2d\u4e5f\u53ef\u4ee5\u589e\u5f3a\u03b1-FAPbX3<\/sub>\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n

\u56fe<\/strong>4 <\/strong>\u5177\u6709\u4e0d\u540c<\/strong>MA\/FA<\/strong>\u6bd4\u7684<\/strong>MAx<\/sub>FA1-x<\/sub>PbI3<\/sub><\/strong>\u8584\u819c<\/strong>PVSK<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u4e0d\u540cMA\/FA\u6bd4\u7684MAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\u8584\u819cPVSK\u7684X\u5c04\u7ebf\u884d\uff08XRD\uff09\uff1b<\/p>\n

\uff08b\uff09<\/strong>\u4e0d\u540cMA\/FA\u6bd4\u7684MAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\u8584\u819cPVSK\u7684\u5149\u6536\u96c6\u5149\u8c31\uff1b<\/p>\n

\uff08c\uff09<\/strong>\u57fa\u4e8eMAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\uff08x=0\uff0c0.6\uff0c1\uff09\u7684\u5e73\u5747PSC\u7684J-V\u66f2\u7ebf\uff1b<\/p>\n

\uff08d\uff09<\/strong>\u4f7f\u7528MAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\uff08x=0\uff0c0.6\uff0c1\uff09\u4f5c\u4e3a\u5149\u5438\u6536\u5242\u7684\u4e09\u4e2a\u7535\u6c60\u7684\u5165\u5c04-\u5149\u7535\u6d41\u8f6c\u6362\u6548\u7387\uff08IPCE\uff09\u5149\u8c31\uff1b<\/p>\n

\uff08e\uff09<\/strong>\u9ec4\u8272\u03b4-FAPbI3<\/sub>\u7684XRD\u56fe\uff1b<\/p>\n

\uff08f\uff09<\/strong>\u901a\u8fc7\u5f15\u516515\uff05MA\u7a33\u5b9a\u9ed1\u8272\u03b1-FAPbI3\u7684XRD\u56fe\u6848\u3002<\/p>\n

\u56fe<\/strong>5 Han<\/strong>\u7ec4\u5f00\u53d1\u7684\u65b9\u6cd5\u5408\u6210\u7684<\/strong>MAx<\/sub>FA1-x<\/sub>PbI3<\/sub><\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u901a\u8fc7Han\u7ec4\u5f00\u53d1\u7684\u65b9\u6cd5\u5408\u6210\u7684MAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\uff08x=0.6\uff09\u7684XRD\u56fe\u8c31\uff0c\u4ee5\u53ca\u5148\u524d\u62a5\u9053\u7684\u4e00\u6b65\u6cd5\u548c\u4e24\u6b65\u6cd5\uff1b<\/p>\n

\uff08b\uff09<\/strong>\uff08FAI\uff091-x<\/sub>-PbI2<\/sub>\u5f62\u6210\u76f8\u7eafMAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\u7684\u6b65\u9aa4\uff1b<\/p>\n

\uff08c\uff09<\/strong>\u548c\uff08d\uff09<\/strong>\u5206\u522b\u663e\u793a\u4e86\u901a\u8fc7\u9633\u79bb\u5b50\u4ea4\u6362\u4f7fMAPbI3-FAPbI3\u8f6c\u5316\u6210MAPbI3<\/sub>\u81f3MAPbI3<\/sub>-FAPbI3<\/sub>\u671f\u95f4MAPbI3<\/sub>-FAPbI3<\/sub>\u8584\u819c\u7684\u5438\u6536\u548c\u5f52\u4e00\u5316XRD\u5149\u8c31\u7684\u8fde\u7eed\u53d8\u5316\u3002<\/p>\n

\u56fe<\/strong>6 <\/strong>\u6df7\u5408\u56fa\u6001<\/strong>PVSK<\/strong>\u5408\u91d1<\/strong>FA1-x<\/sub>Csx<\/sub>PbI3<\/sub><\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u5bb9\u5dee\u56e0\u5b50\u548c\u6676\u4f53\u7ed3\u6784\u4e4b\u95f4\u7684\u5173\u7cfb\uff1b<\/p>\n

\uff08b\uff09<\/strong>\u66b4\u9732\u4e8e\u9ad8\u6e7f\u5ea6\u6761\u4ef6\u4e0b\u7684FAPbI3<\/sub>\u548cFA0.85<\/sub>C0.15<\/sub>PbI3<\/sub>\u8584\u819c\u7684\u7167\u7247\uff1b<\/p>\n

\uff08c\uff09<\/strong>\u7b2c\u4e00\u4e3b\u8981\u8ba1\u7b97\u7ed3\u679c\u663e\u793a\u4e86Csx<\/sub>FA1\u2212x<\/sub>PbI3<\/sub>\u7684\u5185\u90e8\u80fd\u91cf\u0394E\u3002<\/p>\n

\u56fe<\/strong>7 MA\/FA<\/strong>\u6df7\u5408\u9633\u79bb\u5b50\u548c\u56db\u91cd\u9633\u79bb\u5b50\u7684\u76f8\u5173\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u5177\u6709MA\/FA\u6df7\u5408\u9633\u79bb\u5b50\u548c\u56db\u91cd\u9633\u79bb\u5b50\u7684\u672a\u9000\u706bPVSK\u819c\u7684\u5438\u6536\u548c\u5149\u81f4\u53d1\u5149\uff1b<\/p>\n

\uff08b\uff09<\/strong>\u9000\u706b\u7684MAFA\u548cRbCMAFA PVSK\u819c\u7684\u76f8\u5e94XRD\uff1b<\/p>\n

\uff08c\uff09<\/strong>PV\u5668\u4ef6\u7684J-V\u66f2\u7ebf\u6548\u7387\u4e3a21.8\uff05\u3002\u63d2\u56fe\u663e\u793a\u6700\u5927\u529f\u7387\u70b9\u8ffd\u8e2a60\u79d2\uff0c\u5bfc\u81f421.6\uff05\u7684\u7a33\u5b9a\u6548\u7387\uff1b<\/p>\n

\uff08d\uff09<\/strong>\u805a\u5408\u7269\u6d82\u8986\u7535\u6c60\u7684\u7167\u7247\u548c\u70ed\u7a33\u5b9a\u6027\u3002\u572885\u2103\u8fde\u7eed\u5168\u5149\u7167\u5c04\u4e0b\uff0c\u7ec6\u80de\u4fdd\u7559\u5176\u521d\u59cbPCE\u768495\uff05\u3002<\/p>\n

\u56fe<\/strong>8 CsPbBr3<\/sub><\/strong>\u7684\u6240\u6709\u65e0\u673a<\/strong>PSCs<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u57fa\u4e8eCsPbBr3<\/sub>\u7684\u6240\u6709\u65e0\u673aPSCs\u7684\u5668\u4ef6\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b\uff09<\/strong>\u6240\u6709\u65e0\u673aPCS\u7684\u80fd\u7ea7\u5bf9\u51c6\uff1b<\/p>\n

\uff08c\uff09<\/strong>\u57fa\u4e8eCsPbBr3<\/sub>\u7684\u6240\u6709\u65e0\u673aPSCs\u7684J-V\u66f2\u7ebf\u53ca\u5176PV\u53c2\u6570\uff1b<\/p>\n

\uff08d\uff09<\/strong>\u76f4\u5f84\u4e3a8nm\u7684CsPbBr3<\/sub>\u7eb3\u7c73\u6676\u4f53\u7684\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08TEM\uff09\u56fe\u50cf\uff1b<\/p>\n

\uff08e\uff09<\/strong>\u7d2b\u5916\u706f\uff08\u03bb= 365nm\uff09\u4e0bPVSK CsPbX3<\/sub>\uff08X=Cl\uff0cBr\uff0cI\uff09\u7eb3\u7c73\u6676\u4f53\u7684\u80f6\u4f53\u6eb6\u6db2\u7684\u7167\u7247\u53ca\u5176\u76f8\u5e94\u7684\u5f52\u4e00\u5316PL\u5149\u8c31\uff1b<\/p>\n

\uff08f\uff09<\/strong>\u76f8\u5e94\u7684CsPbX3<\/sub>\u7eb3\u7c73\u6676\u4f53\u7684PL\u5bff\u547d\u6d4b\u91cf\u7ed3\u679c\uff1b<\/p>\n

\uff08g\uff09<\/strong>\u57fa\u4e8eCsPbI3<\/sub>\u7eb3\u7c73\u6676\u4f53\u7684PV\u5668\u4ef6\u7684\u793a\u610f\u56fe\u548c\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\uff08SEM\uff09\u6a2a\u622a\u9762\u56fe\uff1b<\/p>\n

\uff08h\uff09<\/strong>\u5728\u7a7a\u6c14\u4e2d<\/strong>\u50a8\u5b58\u4e0d\u540c\u5929\u6570\u7684CsPbI3<\/sub>\u5149\u4f0f\u5668\u4ef6\u7684J-V\u66f2\u7ebf\u3002<\/p>\n

2.2 <\/strong>\u5176\u4ed6\u6709\u673a\u9633\u79bb\u5b50\u6df7\u5408<\/strong>PVSK<\/strong><\/p>\n

\u9664\u4e86\u6700\u5e7f\u6cdb\u7814\u7a76\u7684\u9633\u79bb\u5b50\uff0c\u5176\u4ed6\u6709\u673a\u9633\u79bb\u5b50\u5728PVSK\u6750\u6599\u7684\u7ec4\u6210\u5de5\u7a0b\u4e2d\u4e5f\u663e\u793a\u51fa\u5e94\u7528\u524d\u666f\u3002\u9664\u4e86PSC\u7684\u4e0d\u7a33\u5b9a\u6027\u95ee\u9898\uff0cPSC\u4e2d\u5b58\u5728\u7684\u53e6\u4e00\u4e2a\u56e0\u7d20\u4e5f\u5bf9\u5668\u4ef6\u6027\u80fd\u9020\u6210\u6709\u5bb3\u5f71\u54cd\uff1a\u6ede\u540e\u73b0\u8c61\u4e0e\u592a\u9633\u80fd\u7535\u6c60\u7ed3\u6784\uff0cPVSK\u5c42\u6c89\u79ef\u901f\u7387\u6709\u5173\u3002\u6ede\u540e\u73b0\u8c61\u4f1a\u5f71\u54cd\u626b\u63cf\u65b9\u5411\u548c\u6d4b\u91cf\u901f\u7387\u3002\u53d1\u73b0\u5728\u65bd\u52a0\u7684\u504f\u538b\u548c\u7535\u4ecb\u8d28\u6781\u5316\u7684\u79bb\u5b50\u8fc1\u79fb\u5bfc\u81f4\u4e86\u8fd9\u79cd\u5f02\u5e38\u6ede<\/span>\u540e\u73b0\u8c61\u3002\u5177\u6709\u5c0f\u5076\u6781\u77e9\u7684\u5364\u5316\u7269PVSK\u663e\u793a\u6709\u5229\u4e8e\u7f13\u89e3J-V\u6ede\u540e\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u63d0\u51fa\u4f7f\u7528\u80cd\u79bb\u5b50\u4f5c\u4e3a\u96f6\u5076\u6781\u77e9\u9633\u79bb\u5b50\u6765\u6d88\u9664J-V\u6ede\u540e\u3002\u7136\u800c\uff0c\u7531\u4e8eGA\u7684\u5927\u5c3a\u5bf8\uff0c3D GAPbI3<\/sub> PVSK\u5728\u5ba4\u6e29\u4e0b\u662f\u4e0d\u7a33\u5b9a\u7684\u3002Giorgi\u7b49\u4eba\u901a\u8fc7DFT\u8ba1\u7b97\u9884\u6d4b\uff0c\u5c06GA\u5408\u91d1\u5316\u6210MAPbI3<\/sub>\u6216FAPbI3<\/sub>\u6676\u4f53\u53ef\u4ee5\u63d0\u4f9b\u79ef\u6781\u7684\u5316\u5b66\u6eb6\u6db2\u6765\u89e3\u51b3\u6ede\u540e\u95ee\u9898\u3002\u4ee5\u5916\uff0c\u51e0\u4e4e\u6ca1\u6709\u5173\u4e8e\u4e0eGA\u9633\u79bb\u5b50\u76f8\u5173\u7684PSCs\u7684\u62a5\u9053\uff0c\u5176\u4e2d\u53d1\u73b0\u5c06GA\u6dfb\u52a0\u5230MAPbI3<\/sub>\u819c\u4e2d\u53ef\u4ee5\u6291\u5236\u975e\u8f90\u5c04\u7535\u8377\u8f7d\u6d41\u5b50\u590d\u5408\uff0c\u4ece\u800c\u589e\u52a0\u8584\u819c\u7684Voc<\/sub>\u4ea7\u54c1\u5206\u6210\u5408\u540c\u3002GA\/MA\u6df7\u5408PVSK\u7684\u8f7d\u4f53\u5bff\u547d\u6bd4MAPbI3<\/sub>\u5927\u4e00\u4e2a\u6570\u91cf\u7ea7\u3002\u5b83\u4eec\u5c06\u949d\u5316\u6548\u5e94\u5f52\u56e0\u4e8eGA\u7684\u6c22\u952e\u7ed3\u5408\u80fd\u529b\uff0c\u5bfc\u81f4\u6291\u5236\u7898\u5316\u7269\u7a7a\u4f4d\u7684\u5f62\u6210\u548c\u5728\u6676\u754c\u5904\u949d\u5316\u4e0d\u534f\u8c03\u7684\u7898\u7269\u8d28\u3002<\/p>\n

2.3 2D PVSK<\/strong><\/p>\n

\u968f\u7740PSCs\u73af\u5883\u7a33\u5b9a\u6027\u7684\u6076\u5316\uff0c\u4e3a\u63d0\u9ad8PSC\u7684\u957f\u671f\u7a33\u5b9a\u6027\uff0c\u4eba\u4eec\u4ece\u6750\u6599\u8bbe\u8ba1\u5230\u7535\u6c60\u7ed3\u6784\u548c\u6c89\u79ef\u6280\u672f\u7684\u4f18\u5316\uff0c\u5df2\u7ecf\u505a\u51fa\u4e86\u5de8\u5927\u7684\u52aa\u529b\uff0c\u5176\u4e2d\u4f4e\u7ef4\u6df7\u5408PVSK\u6750\u6599\u7684\u53d1\u5c55\u663e\u793a\u51fa\u5f88\u5927\u7684\u4f18\u52bf\u589e\u5f3a\u5176\u7a33\u5b9a\u6027\u7684\u6f5c\u529b\u3002\u5f53\u5728ABX3<\/sub> PVSK\u7ed3\u6784\u4e2d\u4f7f\u7528\u8f83\u5927\u7684\u6709\u673a\u9633\u79bb\u5b50\u65f6\uff0c\u4f1a\u5f62\u6210\u8f83\u4f4e\u7ef4\u5ea6\uff082D\u62161D\uff09PVSK\u3002[100]\u7279\u522b\u662f\u5f53\u5927\u4f53\u79ef\u7684\u9633\u79bb\u5b50A’\u5408\u6210\u5230MAPbI3\u4e2d\u65f6\uff0c\u901a\u5e38\u5f62\u6210\u5177\u6709\u4e0b\u5f0fMAn-1<\/sub>A’2<\/sub>MnX3n+1<\/sub>\uff08n=\u6574\u6570\uff09\u76842D Ruddlesden-Popper\u5206\u5c42\u7ed3\u6784\uff0c\u8fd9\u4e9b2D\u6750\u6599\u7531\u4ea4\u66ff\u7684\u65e0\u673aPVSK\u5c42\u548c\u5927\u4f53\u79ef\u7684\u6709\u673a\u94f5\u9633\u79bb\u5b50\u5c42\u7ec4\u6210\uff0c\u5176\u4e2dMA\u5360\u636e\u4e0e3D MAPbI3<\/sub>\u4e2d\u60c5\u51b5\u76f8\u540c\u7684\u89d2\u5171\u4eabPbX6<\/sub>4-<\/sup>\u516b\u9762\u4f53\u4ea7\u751f\u7684\u7a7a\u9699\u3002\u7531\u4e8e\u5f62\u6210\u5c42\u72b6\u7ed3\u6784\u7684\u5f3a\u70c8\u503e\u5411\uff0c\u53ef\u4ee5\u901a\u8fc7\u6eb6\u6db2\u5904\u7406\u7a0b\u5e8f\u5bb9\u6613\u5730\u5236\u59072D PVSK\u6676\u4f53\u6216\u8584\u819c\u3002\u4e0e\u4f20\u7edf\u76843D MAPbI3<\/sub>\u76f8\u6bd4\uff0c2D\u5206\u5c42PVSK\u5177\u6709\u4e0d\u540c\u7684\u5149\u7269\u7406\u548c\u7535\u5b50\u7279\u6027\uff0c\u4f8b\u5982\uff0c\u8f83\u5927\u7684\u5e26\u9699\u548c\u66f4\u9ad8\u7684\u6fc0\u5b50\u7ed3\u5408\u80fd\u3002\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574PVSK\u5c42\u7684\u6570\u91cf\uff08n\u503c\uff09\u6765\u8c03\u65742D PVSK\u7684\u5e26\u9699\u3002<\/p>\n

\u56fe<\/strong>9 2D PVSK<\/strong>\u548c\u6df7\u5408\u7ef4\u6570<\/strong>PVSK<\/strong>\u548c<\/strong>3D PVSK<\/strong>\u7684\u6676\u4f53\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>2D PVSK\u548c\u6df7\u5408\u7ef4\u6570PVSK\u548c3D PVSK\uff08n =\u221e\uff09\u7684\u6676\u4f53\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b\uff09<\/strong>\u57fa\u4e8e2D PVSK(PEA)2<\/sub>(MA)2<\/sub>Pb3<\/sub>I10<\/sub>\u7684PSC\u7684J-V\u66f2\u7ebf\u3002 PVSK(PEA)2<\/sub>(MA)2<\/sub>Pb3<\/sub>I10<\/sub>\u819c\uff081\uff09\uff0c\u7531PbI2<\/sub>\uff082a\uff09\u548cPbCl2<\/sub>\uff082b\uff09\u5236\u5907\u7684MAPbI3<\/sub>\u819c\u7684XRD\u56fe\u8c31\u3002<\/p>\n

\uff08c\uff09<\/strong>\uff08BA\uff092<\/sub>\uff08MA\uff092<\/sub>Pb3<\/sub>I10<\/sub>\u819c\u7684XRD\u56fe\u8c31\u65b0\u9c9c\u5236\u5907\u5e76\u50a8\u5b582\u4e2a\u6708\uff0cXRD\u56fe\u4e0b\u65b9\u7684\u7167\u7247\u663e\u793a\u5177\u6709\u4e0d\u540cn\u503c\u7684\uff08BA\uff092<\/sub>\uff08MA\uff09n-1<\/sub>PbnI3n + 1<\/sub> 2D PVSK\u7684\u53d8\u5316\uff08 n = 1\uff0c2\uff0c3\uff0c4\uff09\u548cMAPbI3<\/sub>\u5728\u66b4\u9732\u4e8e40\uff05\u6e7f\u5ea6\u4e4b\u524d\u548c\u4e4b\u540e\u3002<\/span><\/p>\n

\u56fe10 2D (IC2<\/sub>H4<\/sub>NH3<\/sub>)<\/span>2<\/sub>(MA)n-1<\/sub>PbI3n+1<\/sub> PVSK\u819c<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>2D\u00a0(IC2<\/sub>H4<\/sub>NH3<\/sub>)2<\/sub>(MA)n-1<\/sub>PbI3n+1<\/sub>\u00a0PVSK\u819c\u7684\u5236\u5907\u7a0b\u5e8f\u793a\u610f\u56fe\u548c\u5177\u6709\u4e0d\u540c\u6d78\u6e0d\u6301\u7eed\u65f6\u95f4\uff081-5\u5206\u949f\uff09\u7684\u5236\u5907\u7684PVSK\u819c\u7684\u7167\u7247\uff1b<\/p>\n

\uff08b\uff09<\/strong>\u7eb3\u7c73\u7ed3\u6784\u00a0(IC2<\/sub>H4<\/sub>NH3<\/sub>)2<\/sub>(MA)n-1<\/sub>PbI3n+1<\/sub>\u00a0PVSK\u5728\u4ecb\u5b54TiO2<\/sub>\u886c\u5e95\u4e0a\u7684\u9876\u89c6\u56fe\uff0c\u663e\u793a\u4e86\u4e0e\u886c\u5e95\u5782\u76f4\u7684\u677f\u72b6\u7eb3\u7c73\u7ed3\u6784\uff1b<\/p>\n

\uff08c\uff09<\/strong>\u57fa\u4e8e2D\u00a0(IC2<\/sub>H4<\/sub>NH3<\/sub>)2<\/sub>(MA)n-1<\/sub>PbI3n+1<\/sub>\u00a0PVSK\u7684J-V\u66f2\u7ebf\uff1b<\/p>\n

\uff08d\uff09<\/strong>\u70ed\u7194\u94f8\u9020\uff0c\uff08e\uff09<\/strong>\u70ed\u94f8\u578b(BA)2<\/sub>(MA)3<\/sub>Pb4<\/sub>I13<\/sub>\u00a0PVSK\u8584\u819c\u7684\u63a0\u5c04\u5165\u5c04\u5e7f\u89d2X\u5c04\u7ebf\u6563\u5c04\uff08GIWAXS\uff09\u56fe\u50cf\uff1b<\/p>\n

\uff08f\uff09<\/strong>\u57fa\u4e8e(BA)2<\/sub>(MA)3<\/sub>Pb4<\/sub>I13<\/sub> PVSK\u7684PV\u5668\u4ef6\u7684PCE\u76f4\u65b9\u56fe\uff0c\u5176\u5177\u6709\u9ad8\u65af\u5206\u5e03\uff1b<\/p>\n

\uff08g\uff09<\/strong>2D PVSK\u88c5\u7f6e\u7684\u6ede\u540e\u8bd5\u9a8c\u7684J-V\u66f2\u7ebf\uff0c\u663e\u793a\u65e0\u6ede\u540e\u73b0\u8c61\uff1b<\/p>\n

\uff08h\uff09<\/strong>\u5c01\u88c5\u76842D PVSK\u5668\u4ef6\u66b4\u9732\u4e8e\u4e0d\u540c\u5f3a\u5149\u7167\u5ea6\u4e0b\u7684\u7a33\u5b9a\u6027\uff1b<\/span><\/p>\n

\uff08i\uff09<\/strong>\u5c01\u88c5\u76842D PVSK\u5668\u4ef6\u66b4\u9732\u4e8e\u4e0d\u540c\u6e7f\u5ea6\u4e0b\u7684\u7a33\u5b9a\u6027\u3002<\/span><\/p>\n

3 B<\/strong>\u4f4d\u6df7\u5408<\/strong>PVSK<\/strong><\/p>\n

\u4f17\u6240\u5468\u77e5\uff0cPb2+<\/sup>\u7684\u6bd2\u6027\u9650\u5236\u4e86\u5176\u5de5\u4e1a\u5e94\u7528\u6f5c\u529b\u3002\u56e0\u6b64\uff0c\u4e0d\u727a\u7272\u5668\u4ef6\u6027\u80fd\u7684\u65e0\u94c5PVSK\u7684\u53d1\u5c55\u5f15\u8d77\u4e86\u4eba\u4eec\u5f88\u591a\u7814\u7a76\u5174\u8da3\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u8c03\u6574MAPbX3<\/sub>\u7684\u5e26\u9699\u7528\u4e8e\u6536\u96c6NIR\u5149\u4ee5\u63d0\u9ad8\u6548\u7387\u662fPSC\u9886\u57df\u7684\u4e3b\u8981\u65b9\u5411\u3002\u9664\u4e86A\u4f4d\u6df7\u5408PVSK\u4e4b\u5916\uff0c\u901a\u8fc7\u5c06\u5176\u4ed6\u91d1\u5c5e\u9633\u79bb\u5b50\u5f15\u5165\u6676\u4f53\u4e2d\u5f62\u6210B\u4f4d\u6df7\u5408PVSK\uff0c\u5c06\u5141\u8bb8\u8c03\u6574PVSK\u6750\u6599\u7684\u5e26\u9699\u7684\u80fd\u529b\u3002\u5728\u91d1\u5c5e\u9633\u79bb\u5b50\u5019\u9009\u7269\u4e2d\uff0c\u56e0\u4e3aSn2+<\/sup>\u7684\u79bb\u5b50\u534a\u5f84\u975e\u5e38\u63a5\u8fd1Pb2+<\/sup>\u7684\u79bb\u5b50\u534a\u5f84\uff0c\u56e0\u6b64Sn\u662f\u66ff\u4ee3\u6216\u90e8\u5206\u66ff\u4ee3Pb\u7684\u6781\u597d\u9009\u62e9\u3002\u8fd1\u5e74\u6765\uff0c\u7814\u7a76\u4e86CsSnI3<\/sub>\u6216\u8005MASnI3<\/sub>\u4f5c\u4e3a\u5b9e\u73b0\u5728PV\u5668\u4ef6\u4e2d\u7684\u65e0\u94c5PVSK\u5149\u5438\u6536\u5242\u3002\u9ed1\u8272\u6b63\u4ea4\u7684CsSnI3<\/sub>\u5177\u67091.3 eV\u7684\u76f4\u63a5\u5e26\u9699\u3002Kanatzidis\u7b49\u4eba\u8bc1\u660eDSSC\u4e2d\u7684\u6db2\u4f53\u7535\u89e3\u8d28\u53ef\u4ee5\u88ab\u5168\u65e0\u673aPVSK\u66ff\u4ee3\uff0c\u7531\u4e8e\u5176\u76f8\u5bf9\u8f83\u4f4e\u7684\u5e26\u9699\uff0c\u5728\u592a\u9633\u8f90\u5c04\u7684NIR\u533a\u57df\u4e2d\u4e0d\u4ec5\u6539\u5584\u4e86\u7a7a\u7a74\u8fc1\u79fb\u7387\uff0c\u800c\u4e14\u8fd8\u589e\u52a0\u4e86\u5149\u54cd\u5e94\u3002\u4f7f\u7528\u8be5PVSK\u4f5c\u4e3a\u56fa\u4f53\u7535\u89e3\u8d28\u7684PV\u5668\u4ef6\u901a\u8fc7\u7528F-\u548cSnF2<\/sub>\u63ba\u6742PVSK\u800c\u8fbe\u5230\u8d85\u8fc710\uff05\u7684PCE\u3002\u4f5c\u4e3aCsSnI3<\/sub>\u7684\u7c7b\u4f3c\u7269\uff0c\u4e5f\u5df2\u7ecf\u62a5\u9053\u4e86\u57fa\u4e8eMASnI3<\/sub>\u7684PV\u5668\u4ef6\u3002Snaith\u96c6\u56e2\u57fa\u4e8eMASEI3<\/sub>\u5b8c\u6210\u4e86\u65e0\u94c5PSC\uff0cPCE\u8d85\u8fc76\uff05\u3002\u540c\u65f6\uff0cKanatzidis\u7b49\u4eba\u4f7f\u7528\u4e86\u5177\u6709\u53ef\u8c03\u5e26\u5bbd\u7684CH3<\/sub>NH3<\/sub>SnI3-x<\/sub>Brx<\/sub> PVSK\u6765\u5b9e\u73b05.73\uff05\u7684\u521d\u59cbPCE\u3002\u7531\u4e8eSn2+<\/sup>\u5bb9\u6613\u6c27\u5316\uff0cSn\u542b\u91cf\u8f83\u9ad8\u7684PVSK\u7a33\u5b9a\u6027\u5dee\uff0c\u819c\u8d28\u5dee\u548c\u8868\u9762\u8986\u76d6\u7387\u5dee\u4e5f\u663e\u8457\u5f71\u54cd\u4e86\u57fa\u4e8e\u6df7\u5408Sn\/Pb PVSK\u7684PSC\u7684\u6027\u80fd\u3002\u4e3a\u4e86\u63d0\u9ad8\u8584\u819c\u8d28\u91cf\uff0c\u4eba\u4eec\u7814\u7a76\u4e86\u5e73\u9762\u5f02\u8d28\u7ed3\u7ed3\u6784\u4e2d\u7684\u6df7\u5408Sn\/Pb\u57faPSC\uff0c\u5f00\u53d1\u4e86\u4e00\u79cd\u6539\u8fdb\u7684\u5408\u6210\u8def\u7ebf\uff0c\u4ee5\u5236\u5907\u5177\u6709\u9ad8\u8868\u9762\u8986\u76d6\u5ea6\u7684Pb-Sn\u4e8c\u5143PVSK\u819c\u3002\u5728\u672c\u7814\u7a76\u4e2d\uff0c\u5c06\u6240\u5236\u5907\u7684MAI\uff0cPbCl2<\/sub>\u548cSnCl2<\/sub>\u5728\u65e0\u6c34DMF\u4e2d\u4ee5\u4e00\u5b9a\u6469\u5c14\u6bd4\u6df7\u5408\uff0c\u5c06\u5f97\u5230\u7684\u6df7\u5408\u6eb6\u6db2\u572880\u2103\u4e0b\u6405\u62cc\u8fc7\u591c\u3002PVSK\u8584\u819c\u901a\u8fc7\u5e38\u89c4\u65cb\u6d82\u6cd5\u8fdb\u884c\u5904\u7406\u3002\u901a\u8fc7\u91c7\u7528\u8be5\u65b9\u6cd5\uff0c\u83b7\u5f97\u4e86\u8986\u76d6\u7387\u9ad8\u8fbe97\uff05\u7684\u9ad8\u54c1\u8d28PVSK\u819c\uff0c\u5e76\u5728\u57fa\u4e8eMASn0.15<\/sub>Pb0.85<\/sub>I3-x<\/sub>Clx<\/sub>\u7684\u5e73\u9762\u5f02\u8d28\u7ed3\u88c5\u7f6e\u4e2d\u5b9e\u73b0\u4e8610.1\uff05\u7684PCE\u3002\u4e0e\u4ee5\u524d\u7684\u62a5\u9053\u76f8\u4f3c\uff0c\u5364\u5316\u94c5PVSK\u4e2d\u7684\u90e8\u5206Sn\u53d6\u4ee3\u5bfc\u81f4\u4ece800nm\u6269\u5927\u5230900nm\u7684\u5438\u6536\u3002\u6700\u8fd1\uff0cSadhanala\u7b49\u62a5\u9053\u4e86\u65b0\u578b\u9ad8\u6e29\u5904\u7406\u65b9\u6cd5\u6765\u5236\u9020MASnx<\/sub>Pb1-x<\/sub>I3<\/sub>\uff080\u2264x\u22641\uff09\u8584\u819c\uff0c\u83b7\u5f97\u4e86\u5177\u6709\u51e0\u4e4e\u5b8c\u5168\u8868\u9762\u8986\u76d6\u7684\u5927\u5c3a\u5bf8\u5fae\u7c73\u7ea7\u6676\u7c92\u3002\u6df7\u5408Sn\/Pb PVSK\u7684\u5e26\u9699\u663e\u793a\u51fa\u5f02\u5e38\u7684\u5f13\u5f62\u6548\u5e94\uff0c\u5177\u670960\uff05\u548c80\uff05\u542b\u91cf\u7684PVSK\u6bd4\u7eafMASnI3<\/sub>\u663e\u793a\u51fa\u8f83\u4f4e\u7684\u5e26\u9699\u3002\u57fa\u4e8e\u8fd9\u4e24\u79cd\u6df7\u5408PVSK\u6750\u6599\u7684PSC\u663e\u793a\u51fa\u7ea610\uff05\u7684\u9ad8PCE\uff0cVoc<\/sub>\u63a5\u8fd1S-Q\u6781\u9650\u7684\u9884\u6d4b\u3002\u56e0\u6b64\uff0c\u9ad8\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u662f\u514b\u670d\u91cd\u7ec4\u635f\u5931\u6240\u5fc5\u9700\u7684\u3002\u8fd9\u8fdb\u4e00\u6b65\u9610\u660e\u4e86\u5229\u7528\u4e8c\u4ef7\u6216\u4e09\u4ef7\u91d1\u5c5e\u5019\u9009\u7269\u6765\u66ff\u4ee3Pb2+<\/sup>\u7684\u53ef\u80fd\u3002\u6700\u7ec8\u5c06\u5141\u8bb8\u5b9e\u73b0\u5177\u6709\u9ad8\u529f\u7387\u8f6c\u6362\u6548\u7387\u7684\u65e0\u94c5PVSK\u592a\u9633\u80fd\u7535\u6c60\uff0c\u4e5f\u53ef\u4ee5\u51cf\u8f7b\u751f\u6001\u5f71\u54cd\u3002<\/p>\n

\u56fe<\/strong>11 MASn0.5<\/sub>Pb0.5<\/sub>I3<\/sub><\/strong>\u548c<\/strong>MAPbI3<\/sub> PSCs<\/strong>\u7684\u76f8\u5173\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>MASn0.5<\/sub>Pb0.5<\/sub>I3<\/sub>\u548cMAPbI3<\/sub> PSCs\u7684IPCE\u5149\u8c31\uff1b<\/p>\n

\uff08b\uff09<\/strong>\u5177\u6709\u4e0d\u540cx\u503c\u7684\u6df7\u5408MASn0.5<\/sub>Pb0.<\/sub>5I3<\/sub> PVSK\u7684\u80fd\u7ea7\u56fe\uff1b<\/p>\n

\uff08c\uff09<\/strong>J-V\u66f2\u7ebf\u548c\uff08d\uff09<\/strong>\u57fa\u4e8e\u5177\u6709\u4e0d\u540cx\u503c\u7684MASn0.5<\/sub>Pb0.5<\/sub>I3<\/sub>\u7684PSC\u7684\u76f8\u5e94IPCE\u5149\u8c31\u3002<\/p>\n

\u56fe<\/strong>12 MAPbI3-x<\/sub>Clx<\/sub><\/strong>\u548c<\/strong>MAPb0.85<\/sub>Sn0.15<\/sub>I3-x<\/sub>Clx<\/sub><\/strong>\u7684\u76f8\u5173\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>MAPbI3-x<\/sub>Clx<\/sub>\u548cMAPb0.85<\/sub>Sn0.15<\/sub>I3-x<\/sub>Clx<\/sub>\u819c\u7684SEM\u56fe\u50cf\uff1b<\/p>\n

\uff08b\uff09<\/strong>MAPbI3-x<\/sub>Clx<\/sub>\u548cMAPb0.85<\/sub>Sn0.15<\/sub>I3-x<\/sub>Clx<\/sub>\u819c\u7684\u5916\u90e8\u91cf\u5b50\u6548\u7387\uff08EQE\uff09\u7ed3\u679c\uff1b<\/p>\n

\uff08c\uff09<\/strong>MAPbI3-x<\/sub>Clx<\/sub>\u819c\u6c89\u79ef\u7684\u9ad8\u6e29\u5904\u7406\u65b9\u6cd5\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08d\uff09<\/strong>MAPbI3-x<\/sub>Clx<\/sub>\u8584\u819c\u5f62\u8c8c\u7684\u5149\u5b66\u663e\u5fae\u955c\u56fe\u50cf\uff0c\u8868\u9762\u8986\u76d6\u7387\u63a5\u8fd1100\uff05\u3002<\/p>\n

4 X<\/strong>\u4f4d\u6df7\u5408<\/strong>PVSK<\/strong><\/p>\n

\u6742\u5316\u5364\u5316\u7269PVSK\u6750\u6599\u662f\u826f\u597d\u7684\u79bb\u5b50\u5bfc\u4f53\uff0c\u5e76\u4e14\u5047\u8bbe\u4e3b\u8981\u53ef\u79fb\u52a8\u79bb\u5b50\u662f\u5364\u5316\u7269\u9634\u79bb\u5b50\u3002\u56e0\u6b64\uff0c\u5364\u5316\u7269PVSK\u53ef\u4ee5\u5bb9\u6613\u5730\u8fdb\u884c\u79bb\u5b50\u4ea4\u6362\u53cd\u5e94\uff0c\u968f\u540e\u5f62\u6210\u6df7\u5408\u5364\u5316\u7269PVSK\u3002\u6b64\u5916\uff0c\u6df7\u5408\u5364\u5316\u7269PVSK\u53ef\u4ee5\u901a\u8fc7\u5f15\u5165\u6df7\u5408\u7684\u5364\u5316\u7269\u524d\u4f53\u76f4\u63a5\u5236\u5907\u3002\u7814\u7a76\u6df7\u5408\u5364\u5316\u7269PVSK\u7684\u52a8\u673a\u662f\u8c03\u6574PVSK\u6750\u6599\u7684\u5149\u7535\u7279\u6027\uff0c\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u5668\u4ef6\u6027\u80fd\u3002<\/p>\n

4.1 Cl\/I<\/strong>\u6df7\u5408<\/strong>PVSK<\/strong><\/p>\n

\u5e38\u89c1\u7684X\u5360\u6709\u8005\u662f\u5364\u7d20\u9634\u79bb\u5b50\uff0c\u5982Cl–<\/sup>\uff0cBr–<\/sup>\u548cI–<\/sup>\u3002\u7531\u4e8e\u7535\u5b50\u72b6\u6001\u7684\u53d8\u5316\uff0c\u53d6\u4ee3\u7684\u5364\u5316\u7269\u5bf9\u4ef7\u5e26\u80fd\u91cf\u5177\u6709\u5f88\u5927\u7684\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u4eceCl\u2192Br\u2192I\uff0c\u4ef7\u5e26\u4ece3p\u21924p\u21925p\u53d8\u5316\uff0c\u540c\u65f6\u7535\u5b50\u7ed3\u5408\u80fd\u5355\u8c03\u4e0b\u964d\u3002\u7ed3\u679c\uff0c\u6c2f\u5316\u7269PVSK\u7684\u4ef7\u5e26\u80fd\u91cf\u6bd4\u7898\u5316\u7269PVSK\u9ad80.6eV\u3002\u867d\u7136MAPbI3<\/sub>\u662f\u6df7\u5408PVSK\u7684\u57fa\u7840\uff0c\u4f46\u5176\u7a33\u5b9a\u6027\u4ecd\u7136\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u6311\u6218\uff0c\u56e0\u6b64\u7898\u5316\u7269\u66ff\u4ee3\u7269\u548c\u6df7\u5408\u5364\u5316\u7269PVSK\u5f15\u8d77\u4e86\u6781\u5927\u7684\u5173\u6ce8\u3002\u4e0e\u5236\u5907\u6709\u673a-\u65e0\u673a\u5364\u5316\u7269PVSK\u7684\u5e38\u89c4\u914d\u65b9\u4e0d\u540c\uff0c\u91c7\u7528PbCl2<\/sub>\u4ee3\u66ffPbI2<\/sub>\u4ea7\u751f\u4e86MAPbI3-x<\/sub>Clx<\/sub>\u7684\u6df7\u5408\u5364\u5316\u7269\u3002\u6b64\u5916\uff0cLee\u7b49\u4eba\u53d1\u73b0\u4ecb\u5b54TiO2<\/sub>\u53ef\u4ee5\u7528\u60f0\u6027\u652f\u67b6Al2<\/sub>O3<\/sub>\u4ee3\u66ff\u3002\u5177\u6709\u8be5\u914d\u7f6e\u7684\u88c5\u7f6e\u5177\u670910.9\uff05\u7684PCE\uff0cVoc<\/sub>\u4e3a1.13V\u3002\u6df7\u5408\u5364\u5316\u7269PVSK\u7528\u4f5c\u7535\u5b50\u4f20\u8f93\u4f53\u548c\u5149\u5438\u6536\u5242\uff0c\u5176\u663e\u793a\u6bd4MAPbI3<\/sub>\u5bf9\u5e94\u7269\u66f4\u597d\u7684\u5149\u6355\u83b7\u80fd\u529b\u3002\u6b64\u540e\uff0cM. Ball\u7b49\u5c06\u52a0\u5de5\u6e29\u5ea6\u4ece500\u2103\u663e\u7740\u964d\u4f4e\u5230<150\u2103\uff0c\u5e76\u6784\u6210\u5e73\u9762\u8584\u819c\u7ed3\u6784\uff0c\u5b9e\u73b0\u4e86\u9ad8\u8fbe12.3\uff05\u7684\u529f\u7387\u8f6c\u6362\u6548\u7387\u3002\u5c3d\u7ba1\u5728\u524d\u4f53\u4e2d\u5b58\u5728Cl–<\/sup>\uff0c\u4f46\u662f\u5728\u5f97\u5230\u7684\u819c\u4e2d\u4e0d\u80fd\u89c2\u5bdf\u5230\u6c2f\u3002\u660e\u663e\u7684\u8bc1\u636e\u662fMAPbI3-x<\/sub>Clx<\/sub>\u548cMAPbI3<\/sub>\u51e0\u4e4e\u5171\u4eab\u76f8\u540c\u7684XRD\u5149\u8c31\uff0c\u8fd9\u8868\u660e\u8fd9\u4e9b\u4e24\u79cd\u5316\u5408\u7269\u5177\u6709\u76f8\u540c\u7684\u6676\u683c\uff0c\u56e0\u4e3aCl\u7684\u63ba\u5165\u5c06\u4e0d\u53ef\u907f\u514d\u5730\u5bfc\u81f4XRD\u5cf0\u503c\u504f\u79fb\u548c\u53d8\u5bbd\u7684\u6676\u683c\u7578\u53d8\u3002Dar\u7b49\u4f7f\u7528\u7535\u5b50\u663e\u5fae\u955c\u6765\u786e\u5b9a\u6210\u5206\u7684\u542b\u91cf\u548c\u5206\u5e03\uff0c\u7279\u522b\u662fCl–<\/sup>\u3002\u7136\u800c\uff0c\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c-\u80fd\u91cf\u8272\u6563\u5149\u8c31\uff08STEM-EDS\uff09\u7ed3\u679c\u8868\u660e\u6ca1\u6709\u6c2f\u63ba\u6742\u5242\u3002XRD\u548c\u5143\u7d20\u5206\u6790\u4e5f\u8bc1\u5b9e\u4e0d\u5b58\u5728\u6c2f\u5316\u7269\u3002<\/p>\n

\u9664\u4e86\u5bf9\u7ed3\u6676\u52a8\u529b\u5b66\u7684\u5f71\u54cd\u4e4b\u5916\uff0cCl–<\/sup>\u7684\u5b58\u5728\u8fd8\u5f15\u8d77\u6676\u7c92\u53d6\u5411\u3002\u5728\u6676\u4f53\u751f\u957f\u8fc7\u7a0b\u4e2d\uff0c\u6676\u7c92\u7684\u751f\u957f\u901f\u7387\u7531\u6676\u7c92\u7684\u5409\u5e03\u65af\u81ea\u7531\u80fd\u51b3\u5b9a\uff0c\u5305\u62ec\u8868\u9762\u80fd\uff0c\u5316\u5b66\u80fd\u548c\u754c\u9762\u80fd\u3002\u901a\u5e38\uff0c\u4e0d\u540c\u6676\u4f53\u53d6\u5411\u7684\u8868\u9762\u80fd\u4e0d\u540c\uff0c\u800c\u8f83\u9ad8\u7684\u80fd\u91cf\u9762\u589e\u957f\u66f4\u5feb\u3002\u5bf9\u4e8e\u56db\u65b9\u5f62MAPbI3<\/sub>\uff0c\u6cbf\u7740\u6bcf\u4e2a\u6676\u9762\u7684\u8868\u9762\u80fd\u663e\u8457\u4e0d\u540c\u3002\u5728Cl–<\/sup>\u7684\u5b58\u5728\u4e0b\uff0cDong\u7b49\u4f7f\u7528\u5f02\u5e38\u6676\u4f53\u751f\u957f\u7b56\u7565\u6765\u83b7\u5f97\u5b9a\u5411\u6676\u7c92\u3002\u62a5\u544a\u663e\u793a\uff0cCl–<\/sup>\u7684\u6dfb\u52a0\u6539\u5584\u4e86\u819c\u7684\u5f62\u6001\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86\u66f4\u597d\u7684\u5668\u4ef6\u6027\u80fd\u3002\u7136\u800c\uff0c\u5c1a\u4e0d\u6e05\u695aCl–<\/sup>\u63ba\u5165\u662f\u5426\u4f1a\u5f71\u54cd\u5668\u4ef6\u6027\u80fd\u800c\u4e0d\u4f1a\u5f71\u54cd\u819c\u7684\u5f62\u6001\u3002<\/p>\n

\u56fe<\/strong>13 MAPbI3-x<\/sub>Clx<\/sub><\/strong>\u7684<\/strong>XPS<\/strong>\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>MAPbI3-x<\/sub>Clx<\/sub>\u7684\u6d4b\u91cfXPS\u5149\u8c31\uff1b<\/p>\n

\uff08b\uff09<\/strong>Cl2p<\/sub>\u7684\u9ad8\u5206\u8fa8\u7387\u5149\u8c31\u3002<\/p>\n

\u56fe<\/strong>14 PVSK<\/strong>\u819c\u7684\u5236\u5907\u8fc7\u7a0b\u53ca\u76f8\u5173\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>PVSK\u76f4\u63a5\u6c89\u79ef\u5728FTO\u4e0a\uff1b<\/p>\n

\uff08b\uff09<\/strong>\u5939\u5728FTO\u548c\u805a\u7532\u57fa\u4e19\u70ef\u9178\u7532\u916f\uff08PMMA\uff09\u4e4b\u95f4\u7684PVSK\uff1b<\/p>\n

\uff08c\uff09<\/strong>PVSK\u819c\u4e2d\u4e3b\u8981\u5143\u7d20\u7684\u539f\u5b50\u767e\u5206\u6bd4\uff1b<\/p>\n

\uff08d\uff09<\/strong>\u6ca1\u6709PMMA\u963b\u6321\u5c42\u3002<\/p>\n

4.2 Br\/I<\/strong>\u6df7\u5408<\/strong>PVSK<\/strong><\/p>\n

\u5728\u8584\u819c\u5236\u9020\u8fc7\u7a0b\u4e2d\u5f15\u5165Br\u4e5f\u53ef\u4ee5\u63d0\u9ad8\u819c\u8d28\u91cf\u3002\u5728\u5e38\u7528\u7684\u4e00\u6b65\u6cd5\u4e2d\uff0c\u6ce8\u5c04\u6297\u6eb6\u5242\u96be\u4ee5\u638c\u63e1\uff0c\u56e0\u4e3a\u5b83\u662f\u52a8\u529b\u5b66\u63a7\u5236\u7684\u8fc7\u7a0b\uff0c\u5bf9\u5236\u5907\u6761\u4ef6\u975e\u5e38\u654f\u611f\uff0c\u8fd9\u5bfc\u81f4\u91cd\u590d\u6027\u5dee\u3002\u6b64\u5916\uff0c\u5feb\u901f\u6210\u6838\u548c\u7ed3\u6676\u8fc7\u7a0b\u901a\u5e38\u5bfc\u81f4\u6676\u7c92\u5c3a\u5bf8\u7684\u5e7f\u6cdb\u5206\u5e03\uff0c\u5e76\u5f15\u5165\u7f3a\u9677\u3002\u57fa\u4e8eOstwald\u719f\u5316\u65b9\u6cd5\u5f15\u5165\u4e86MABr\u7684\u8f7b\u677e\u540e\u5904\u7406\u3002Ostwald\u719f\u5316\u662f\u5bf9\u7a0b\u5e8f\u5f71\u54cd\u8f83\u4e0d\u654f\u611f\u7684\u70ed\u529b\u5b66\u8fc7\u7a0b\u3002\u901a\u5e38\uff0c\u66f4\u5927\u7684\u6676\u4f53\u6bd4\u8f83\u5c0f\u7684\u6676\u4f53\u66f4\u6709\u529b\u5730\u53d7\u76ca\uff0c\u4fc3\u4f7f\u5927\u7684\u6676\u4f53\u751f\u957f\u4ee5\u727a\u7272\u5c0f\u6676\u4f53\u4e3a\u4ee3\u4ef7\u3002\u5c06\u540e\u5904\u7406\u8fc7\u7a0b\u5206\u4e3a\u4e24\u4e2a\u6b65\u9aa4\uff1a\u5c0f\u9897\u7c92\u7684\u6eb6\u89e3\u548c\u5927\u5c3a\u5bf8\u6676\u4f53\u7684\u5f62\u6210\u3002\u6b64\u5916\uff0c\u53d1\u73b0\u8fd9\u4e2a\u8fc7\u7a0b\u4e0eMABr\u7684\u6d53\u5ea6\u9ad8\u5ea6\u76f8\u5173\u3002\u4f4e\u6d53\u5ea6\uff082mg\/mL\uff09\u7684MABr\u4fc3\u8fdb\u5c0f\u6676\u4f53\u6eb6\u89e3\u548c\u7ec6\u5316\u6210\u8f83\u5927\u7684\u6676\u7c92\u3002\u7136\u800c\uff0c\u9ad8\u6d53\u5ea6\uff08\u301c8 mg mL-1<\/sup>\uff09\u5bfc\u81f4I–<\/sup>\/Br–<\/sup>\u4ea4\u6362\u3002\u9664\u4e86\u6539\u5584\u819c\u5f62\u6001\u4e4b\u5916\uff0cBr\u7684\u5e76\u5165\u5bf9\u6240\u5f97\u819c\u7684\u5e26\u9699\u5177\u6709\u663e\u7740\u7684\u5f71\u54cd\u3002 MAPbI3<\/sub>\u7684\u5e26\u9699\u7ea6\u4e3a1.55eV\uff0c\u5bf9\u5e94\u4e8e800nm\u7684\u8d77\u59cb\u5438\u6536\uff0c\u800c\u5355\u4e2ap-n\u7ed3\u592a\u9633\u80fd\u7535\u6c60\u7684\u7406\u60f3\u503c\u4e3a1.1\u301c1.4eV\u3002\u9274\u4e8e\u5355\u8fde\u63a5\u5668\u4ef6\u548c\u4e32\u8054\u5668\u4ef6\u7684\u6f5c\u5728\u5e94\u7528\uff0c\u5e26\u9699\u8c03\u8c10\u5f15\u8d77\u4e86\u6781\u5927\u7684\u5174\u8da3\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u5f15\u5165X\u4f4d\u70b9\u63ba\u6742\u5242\u53ef\u4ee5\u64cd\u7eb5PVSK\u4e2d\u7684\u7f3a\u9677\u7279\u6027\u3002\u57fa\u4e8eFAPb(BryI1-y)3<\/sub>\uff0cHerz\u7cfb\u7edf\u7814\u7a76\u4e86\u534a\u5bfc\u4f53\u5185\u6709\u4e09\u79cd\u7c7b\u578b\u7684\u7535\u8377-\u8f7d\u6d41\u5b50\u590d\u5408\uff1aShockley-Read-Hall\u590d\u5408\uff0c\u8f90\u5c04\u590d\u5408\u548c\u4fc4\u6b47\u91cd\u7ec4\u3002Shockley-Read-Hall\u590d\u5408\u7387\u53cd\u6620\u4e86\u534a\u5bfc\u4f53\u6750\u6599\u4e2d\u7684\u7f3a\u9677\u5bc6\u5ea6\u3002\u636e\u62a5\u9053\uff0c\u7528Br\u53d6\u4ee3I\u4f1a\u5f15\u8d77\u6240\u5f97PVSK\u819c\u4e2d\u7684\u76f8\u5206\u79bb\uff0c\u5f53\u542b\u91cf\u8d85\u8fc720\uff05\u65f6\u4f1a\u964d\u4f4e\u5668\u4ef6\u6027\u80fd\uff0c\u57fa\u4e8eMAPb\uff08Brx<\/sub>I1-x<\/sub>\uff093<\/sub>\u7684\u5668\u4ef6\u7684Voc<\/sub>\u968f\u7740Br\u91cf\u7684\u589e\u52a0\u800c\u51cf\u5c11\u3002Hoke\u7b49\u7814\u7a76\u4e86\u6df7\u5408\u7898\u5316\u7269\/\u6eb4\u5316\u7269PVSK\u7684PL\u5149\u8c31\uff0c\u5e76\u89c2\u5bdf\u4e86PL\u5149\u8c31\u7684\u6f14\u53d8\u4ee5\u53ca\u65f6\u95f4\u3002\u6b64\u5916\uff0c\u7814\u7a76\u4e86\u7ed3\u6784\u53d8\u5316\uff0c\u53d1\u73b0\u5728\u6052\u5b9a\u7167\u660e\u4e0b\uff0cX\u5c04\u7ebf\u884d\u5c04\u5cf0\u5206\u88c2\u3002\u8fd9\u662f\u7531\u7898\u5316\u7269\u548c\u6eb4\u5316\u7269\u76f8\u7684\u5149\u8bf1\u5bfc\u76f8\u5206\u79bb\u7684\u7ed3\u679c\u3002\u6b64\u5916\uff0c\u8be5\u73b0\u8c61\u4e5f\u5728\u5176\u4ed6\u62a5\u544a\u4e2d\u5f97\u5230\u8bb0\u5f55\u3002\u5149\u81f4\u611f\u67d3\u8fc7\u7a0b\u662f\u53ef\u9006\u7684\uff1a\u5f53\u5728\u9ed1\u6697\u4e2d\u653e\u677e\u65f6\uff0c\u8584\u819c\u6062\u590d\u5230\u539f\u6765\u7684\u5355\u76f8\u72b6\u6001\u3002<\/span>\u5c06\u591a\u5c3a\u5ea6\u5efa\u6a21\u4e0e\u7eb3\u7c73\u5c3a\u5ea6\u6210\u50cf\u76f8\u7ed3\u5408\uff0cBischak \u7b49\u63a2\u8ba8\u4e86\u53ef\u9006\u76f8\u5206\u79bb\u7684\u8d77\u6e90\u3002\u5efa\u8bae\u5149\u4ea7\u751f\u7684\u6781\u5316\u5b50\u8bf1\u5bfc\u5c40\u90e8\u5e94\u53d8\uff0c\u6709\u52a9\u4e8e\u5364\u5316\u7269\u76f8\u5206\u79bb\u5e76\u5bfc\u81f4\u5f62\u6210\u5149\u7a33\u5b9a\u7684\u5bcc\u542bI\u7684\u7c07\u3002\u5206\u79bb\u9636\u6bb5\u8868\u660e\u5364\u7d20\u79bb\u5b50\u5feb\u901f\u79fb\u52a8\u3002McGehee\u7b49\u63a8\u6d4b\u8fd9\u79cd\u79bb\u5b50\u8fc1\u79fb\u4e0eJ-V\u6ede\u540e\u5bc6\u5207\u76f8\u5173\u3002\u6700\u8fd1\u7684\u7814\u7a76\u8868\u660e\uff0c\u5364\u7d20\u8fc1\u79fb\u662f\u7531\u5364\u7d20\u7a7a\u4f4d\u5f15\u8d77\u7684\uff0c\u5e76\u4e14\u4e0e\u6676\u7c92\u5185\u90e8\u76f8\u6bd4\uff0c\u6676\u754c\u8fc1\u79fb\u66f4\u5feb\u3002\u8fd9\u610f\u5473\u7740\u51cf\u5c11\u6676\u754c\u5bc6\u5ea6\u53ef\u80fd\u662f\u7f13\u89e3\u76f8\u5206\u79bb\u7684\u6709\u6548\u65b9\u5f0f\u3002\u901a\u8fc7\u4e00\u4e9b\u4f18\u5316\u6280\u672f\uff0c\u7531\u4e8e\u7ec4\u6210\u4e0d\u76f8\u5bb9\u6027\u5f15\u8d77\u7684\u4e0d\u7a33\u5b9a\u9636\u6bb5\u6709\u6548\u5730\u53d8\u6210\u4e86\u7a33\u5b9a\u7684\u9636\u6bb5\u3002\u5438\u6536\u4f53\u4e2d\u5e26\u9699\u7684\u589e\u52a0\u663e\u8457\u63d0\u9ad8\u4e86\u76f8\u5173\u5668\u4ef6\u7684\u5f00\u8def\u7535\u538b\u3002\u4f7f\u7528MAPbBr3-x<\/sub>Clx<\/sub>\u5c06\u7535\u6c60\u7684Voc<\/sub>\u63d0\u5347\u52301.5V\uff0c\u5e76\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u7535\u6d41\u5bc6\u5ea6\u3002\u62a5\u544a\u663e\u793a\uff0c\u5728\u819c\u5236\u9020\u8fc7\u7a0b\u4e2d\u5f15\u5165\u7684Cl\u5bfc\u81f4\u5438\u6536\u5c42\u66f4\u81f4\u5bc6\u7684\u8868\u9762\u8986\u76d6\uff0c\u4ece\u800c\u6709\u52a9\u4e8e\u6240\u5f97\u819c\u4e2d\u7684\u5149\u5438\u6536\u3002\u8fd9\u4e9b\u7ed3\u679c\u8868\u660e\u5728\u4e0e\u4e32\u8054\u7535\u6c60\u4e2d\u7684\u9ad8\u6210\u672c\u5438\u6536\u6750\u6599\u7ade\u4e89\u4e2d\u5177\u6709\u5de8\u5927\u7684\u6f5c\u529b\u3002\u7136\u800c\uff0c\u5bf9\u63ba\u6742Cl\u542b\u91cf\u7684\u7cbe\u786e\u63a7\u5236\u4ecd\u7136\u662f\u4e00\u4e2a\u6311\u6218\u3002\u5177\u6709\u4e0d\u540c\u5364\u7d20\u7ec4\u6210\u7684PVSK\u663e\u793a\u51fa\u975e\u5e38\u4e0d\u540c\u7684\u5149\u7535\u6027\u80fd\u3002\u4eba\u4eec\u7814\u7a76\u4e86\u5177\u6709\u4e0d\u540c\u5364\u7d20\u7ec4\u6210\u7684MAPbBr3-x<\/sub>Clx<\/sub>\u819c\uff0c\u8ba4\u4e3a\u5364\u7d20\u7ec4\u5408\u7269\u53ef\u4ee5\u663e\u8457\u5f71\u54cd\u5149\u81f4\u53d1\u5149\u5f3a\u5ea6\uff0c\u8868\u660e\u8f7d\u4f53\u7684\u884c\u4e3a\u53d7\u5230\u5f71\u54cd\u3002\u5f53Br\/Cl\u7684\u503c\u4e3a4\u65f6\uff0c\u819c\u5177\u6709\u6700\u957f\u7684\u590d\u5408\u5bff\u547d\uff1b\u800c\u503c\u4e3a3\u4f20\u9012\u4e86\u6700\u5f3a\u7684PL\u53d1\u5c04\u5f3a\u5ea6\u3002<\/p>\n

\u56fe<\/strong>15 FAPbIy<\/sub>Br3-y<\/sub> PVSK<\/strong>\u6027\u80fd\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>FAPbIy<\/sub>Br3-y<\/sub> PVSK\u7684\u7a33\u6001\u5149\u81f4\u53d1\u5149\u5149\u8c31\uff1b<\/p>\n

\uff08b\uff09<\/strong>MAPb\uff08Brx<\/sub>I1-x<\/sub>\uff093<\/sub>\u6df7\u5408\u592a\u9633\u80fd\u7535\u6c60\u7684\u6e7f\u5ea6\u7a33\u5b9a\u6027\uff1b<\/p>\n

\uff08c\uff09<\/strong>\u548c\uff08d\uff09<\/strong>MAPb\uff08Brx<\/sub>I1-x<\/sub>\uff093<\/sub>\u8584\u819c\u7684\u5f52\u4e00\u5316PL\u5149\u8c31\u3002<\/p>\n

4.3 F–<\/sup><\/strong>\u6216\u5047\u5364\u7d20<\/strong>\/I<\/strong>\u6df7\u5408<\/strong>PVSK<\/strong><\/p>\n

\u6c1f\u4e5f\u662f\u5364\u7d20\u5143\u7d20\uff0c\u4f46\u662f\u5728X\u4f4d\u7f6e\u4ec5\u542b\u6709F-\u7684\u9634\u79bb\u5b50\u7684\u91d1\u5c5e\u5364\u5316\u7269PVSK\u8fd8\u6ca1\u6709\u62a5\u9053\u3002\u7531\u4e8e\u4e24\u4e2a\u4e0d\u540c\u7ed3\u6784\u7ec4\u6210\u7684\u6df7\u5408\u5364\u5316\u7269PVSK\uff0cX\u4f4d\u7f6e\u7a33\u5b9a\u6027\u4eceI\u964d\u4f4e\u5230F\u3002\u6b64\u5916\uff0c\u9ad8\u7535\u8377\u6027\u6c1f\u5f3a\u70c8\u5730\u5f15\u53d1\u7535\u5b50\uff0c\u5bfc\u81f4\u4e0d\u5e0c\u671b\u7684\u8010\u53d7\u56e0\u5b50\u964d\u4f4e\u4ee5\u53ca\u6291\u5236\u5149\u6355\u83b7\u80fd\u529b\u548c\u5bfc\u7535\u6027\u7684\u9ad8\u5ea6\u6676\u683c\u5e94\u53d8\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u62df\u5364\u7d20\u5177\u6709\u5408\u9002\u7684\u79bb\u5b50\u534a\u5f84\uff0c\u53ef\u4ee5\u4f5c\u4e3aX\u4f4d\u70b9\u66ff\u4ee3\u5019\u9009\u8005\u3002<\/p>\n

\u56fe<\/strong>16 MAPbI3<\/sub><\/strong>\u548c<\/strong>MAPb<\/strong>\uff08<\/strong>SCN<\/strong>\uff09<\/strong>2<\/sub><\/strong>IPVSK<\/strong>\u819c\u7684\u8010\u6e7f\u8bd5\u9a8c<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>MAPbI3<\/sub>\u5728\u5ba4\u6e2995\uff05\u76f8\u5bf9\u6e7f\u5ea6\u7684\u7a7a\u6c14\u4e2d\u8010\u6e7f\u8bd5\u9a8c\uff1b<\/p>\n

\uff08b\uff09<\/strong>MAPb\uff08SCN\uff092<\/sub>I\u5728\u5ba4\u6e2995\uff05\u76f8\u5bf9\u6e7f\u5ea6\u7684\u7a7a\u6c14\u4e2d\u8010\u6e7f\u8bd5\u9a8c\u3002<\/p>\n

5 <\/strong>\u53cc<\/strong>\/<\/strong>\u4e09\u4f4d\u6df7\u5408<\/strong>PVSK<\/strong><\/p>\n

\u7531\u4e8e\u9700\u8981\u63d0\u9ad8PSC\u7684\u7a33\u5b9a\u6027\u548cPCE\uff0c\u4eba\u4eec\u5df2\u7ecf\u7814\u7a76\u4e86ABX3<\/sub>\u6df7\u5408PVSK\u7684\u66f4\u590d\u6742\u7684\u7ec4\u5408\uff0c\u5373\u6df7\u5408A\/\u6df7\u5408X\uff0c\u6df7\u5408A\/\u6df7\u5408B\uff0c\u6df7\u5408A\/\u6df7\u5408B\/\u6df7\u5408-X PVSK\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0c\u6700\u9ad8\u6548\u7387\u7684PVSK\u662f\u5177\u6709MA\/FA\u9633\u79bb\u5b50\u548c\u6df7\u5408\u5364\u5316\u7269\u7684Pb\u57fa\u3002\u591a\u7ad9\u70b9\u6df7\u5408PVSK\u4e3b\u8981\u662f\u7531\u4e8e\u4e24\u4e2a\u52a8\u673a\u3002\u63d0\u9ad8PSC\u7684\u5546\u4e1a\u5316\u7a33\u5b9a\u6027\u548c\u6548\u7387\u3002\u7b2c\u4e8c\u4e2a\u662f\u8c03\u6574\u4e32\u8054\u5e94\u7528\u7684PVSK\u7684\u5e26\u9699\u3002\u901a\u8fc7\u6eb4\u5316\u7269\u548cFA\u9010\u6e10\u66ff\u4ee3\u7898\u5316\u7269\u548cMA\uff0c\u7cfb\u7edf\u5730\u63a2\u7d22\u4e86\u6df7\u5408\u9633\u79bb\u5b50\u548c\u6df7\u5408\u5364\u5316\u7269PVSK\u7684\u7ec4\u6210\u7a7a\u95f4\u3002\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0cPVSK\u7ec4\u6210\u7684\u53d8\u5316\u5f88\u5c0f\uff0c\u5bf9\u6750\u6599\u6027\u80fd\u548c\u5668\u4ef6\u6027\u80fd\u7684\u5f71\u54cd\u53ef\u80fd\u8f83\u5927\u3002\u901a\u8fc7\u4f7f\u7528MA1\/3<\/sub>FA2\/3<\/sub>PbI2.5<\/sub>Br0.5<\/sub>\u7684PVSK\u7ec4\u5408\u7269\u83b7\u5f97\u4e86\u6700\u9ad8\u6548\u738720.7\uff05\uff0c\u800c\u4ece\u542b\u6eb4\u91cf\u9ad8\u7684\u6df7\u5408PVSK\u89c2\u5bdf\u5230\u6700\u4f4e\u6548\u7387\u7684PSC\u3002\u7898\u5316\u7269\u4e0e\u6eb4\u7684\u53d6\u4ee3\u5141\u8bb8\u5c06PVSK\u7684\u5e26\u9699\u8c03\u6574\u4e3a1.5\u81f32.3eV\uff0c\u4e0e\u4e4b\u524d\u7684\u62a5\u9053\u76f8\u4f3c\u3002\u7528\u6eb4\u5316\u7269\u4ee3\u66ff\u5c11\u91cf\u7684\u7898\u5316\u7269\u5c06\u6709\u5229\u4e8e\u63d0\u9ad8PSC\u7684\u6548\u7387\uff0c\u540c\u65f6\u53d1\u73b0\u5f15\u5165\u5927\u91cf\u7684\u6eb4\u5316\u7269\u4f1a\u8bf1\u53d1\u4e9a\u5e26\u9699\u5149\u7535\u5b50\u53d1\u5c04\uff0c\u8fd9\u5bf9\u5668\u4ef6\u6027\u80fd\u662f\u4e0d\u5229\u7684\u3002\u8fd9\u9879\u5de5\u4f5c\u8bf4\u660e\u4e86\u7cbe\u786e\u63a7\u5236PVSK\u7ec4\u5408\u5236\u9020\u9ad8\u6548\u7387\u5668\u4ef6\u7684\u91cd\u8981\u6027\u3002\u968f\u540e\u7814\u7a76\u4e86FA\u548cBr–<\/sup>\u53d6\u4ee3\u5bf9MAPbI3<\/sub>\u7684\u5f71\u54cd\uff0c\u901a\u8fc7\u6eb6\u5242\u6cd5\u5236\u5907\u4e86\u6df7\u5408\u9633\u79bb\u5b50MAx<\/sub>FA1-x<\/sub>PbI3<\/sub>\u8584\u819c\u3002\u6df7\u5408\u9633\u79bb\u5b50MAxFA1-x<\/sub>I3<\/sub>\u7684\u5f62\u6210\u6291\u5236\u4e86\u9ec4\u8272\u975ePVSK FAPbI3<\/sub>\uff0c\u5e76\u4e14\u4e0eMAPbI3<\/sub>\u76f8\u6bd4\u5bfc\u81f4\u5438\u6536\u7ea2\u79fb\u3002\u53d1\u73b0\u4e0e\u5176\u4ed6\u7ec4\u6210\u7684PVSK\u76f8\u6bd4\uff0cMA0.7<\/sub>FA0.3<\/sub>PbI3<\/sub>\u7684\u819c\u7ed3\u6676\u5ea6\u663e\u7740\u589e\u5f3a\u3002\u7531\u4e8e\u819c\u7ed3\u6676\u5ea6\u589e\u52a0\uff0c\u5149\u5438\u6536\u8303\u56f4\u6269\u5927\u548c\u975ePVSK FAPbI3<\/sub>\u7684\u6291\u5236\uff0c\u57fa\u4e8eMA0.7<\/sub>FA0.3<\/sub>PbI3<\/sub>\u7684\u5668\u4ef6\u663e\u793a\u51fa\u6700\u9ad8\u7684\u5e73\u5747PCE\u4e3a16.42\uff05\u3002\u867d\u7136\u57fa\u4e8e\u591a\u7ad9\u70b9\u6df7\u5408PVSK\u7684\u5668\u4ef6\u663e\u793a\u51fa\u6700\u9ad8\u7684PCE\uff0c\u4f46\u662f\u591a\u4f4d\u7f6e\u6df7\u5408\u56fa\u6eb6\u4f53\u819c\u7684\u8be6\u7ec6\u6676\u4f53\u7ed3\u6784\u548c\u5fae\u89c2\u5143\u7d20\u5206\u5e03\u4ecd\u7f3a\u4e4f\u6df1\u5165\u7684\u4e86\u89e3\uff0c\u8fd9\u5bf9\u5668\u4ef6\u4f18\u5316\u81f3\u5173\u91cd\u8981\u3002\u9700\u8981\u672a\u6765\u7684\u52aa\u529b\u6765\u6df1\u5165\u4e86\u89e3\u6df7\u5408PVSK\u8bbe\u5907\u7684\u672c\u5730\u7ed3\u6784\u548c\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\u3002Gratia\u7b49\u53d1\u73b0\u6df7\u5408\u9633\u79bb\u5b50\/\u6df7\u5408\u5364\u5316\u7269PVSK\u819c\u4e0d\u5747\u5300\u5e76\u5206\u79bb\u6210\u957f\u5ea6\u5c3a\u5ea6\u4e3a\u51e0\u767e\u7eb3\u7c73\u7684\u5bcc\u542b\u7898\u7684PVSK\u7ed3\u6784\u57df\uff0c\u5bfc\u81f4\u5fae\u7c73\u7ea7\u5149\u5b66\u6027\u8d28\u7684\u53d8\u5316\u3002\u9610\u8ff0\u4e86\u7eb3\u7c73\u5c3a\u5ea6PVSK\u7ec4\u6210\u7684\u7814\u7a76\uff0c\u540c\u65f6\u53ef\u80fd\u9700\u8981\u8fdb\u4e00\u6b65\u7814\u7a76\u5149\u7535\u5b50\u6027\u8d28\uff0c\u5668\u4ef6\u6027\u80fd\u4e0e\u7eb3\u7c73\u5c3a\u5ea6\u7ec4\u6210\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n

\u56fe<\/strong>17 FA0.83<\/sub>C0.17<\/sub>Pb [I<\/strong>\uff08<\/sub><\/strong>1-x<\/sub><\/strong>\uff09<\/sub><\/strong>Brx<\/sub>]3<\/sub><\/strong>\u7684\u6027\u80fd\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u5177\u6709\u53d8\u5316\u7684x\u503c\u7684FA0.83<\/sub>C0.17<\/sub>Pb [I\uff08<\/sub>1-x<\/sub>\uff09<\/sub>Brx<\/sub>]3<\/sub>\u7684PVSK\u819c\u7684\u7167\u7247\uff1b<\/p>\n

\uff08b\uff09<\/strong>\u5728\u7167\u5c04\u4e0d\u540c\u65f6\u95f4\uff0cMAPb\uff08I0.6<\/sub>Br0.4<\/sub>\uff093<\/sub>\u548cFA0.83<\/sub>C0.17<\/sub>Pb\uff08I0.6<\/sub>Br0.4<\/sub>\uff093<\/sub> PVSK\u819c\u7684\u5f52\u4e00\u5316PL\u5149\u8c31\uff1b<\/p>\n

\uff08c\uff09<\/strong>\u57fa\u4e8eFA0.83<\/sub>C0.17<\/sub>Pb\uff08I0.6<\/sub>Br0.4<\/sub>\uff093<\/sub>\u7684\u6700\u9ad8\u6548\u7387\u5668\u4ef6\u7684EQE\u5149\u8c31\u548c\u901a\u8fc7\u534a\u900f\u660ePVSK\u7535\u6c60\u8fc7\u6ee4\u5165\u5c04\u5149\u540e\u6d4b\u91cf\u7684Si\u5f02\u8d28\u7ed3\u7535\u6c60\uff1b<\/p>\n

\uff08d\uff09<\/strong>2-\u548c4-\u7aef\u5b50PVSK-PVSK\u4e32\u8054\u592a\u9633\u80fd\u7535\u6c60\u7684\u5668\u4ef6\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08e\uff09<\/strong>2\u7aef\u5b50PVSK\u4e32\u8054\u7535\u6c60\u548c4\u7aef\u5b50\u4e32\u8054\u7535\u6c60\u7684\u7a33\u5b9aPCE\u3002<\/p>\n

6 <\/strong>\u7ed3\u8bba\u4e0e\u5c55\u671b<\/strong><\/p>\n

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\u6587\u732e\u94fe\u63a5\uff1aThe Emergence of the Mixed Perovskites and Their Applications as Solar Cells<\/a><\/strong>\uff08Adv. Energy Mater., 2017, DOI: 10.1002\/aenm.201700491\uff09<\/p>\n

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