{"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":"
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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 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<\/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 \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 \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 \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 \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 \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><\/p>\n
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