{"id":151185,"date":"2018-08-17T06:27:07","date_gmt":"2018-08-16T22:27:07","guid":{"rendered":"\/\/m.iemloyee.com\/?p=151185"},"modified":"2018-08-17T09:06:43","modified_gmt":"2018-08-17T01:06:43","slug":"%e5%b7%b2%e6%a0%a1%e7%a8%bf%e5%8d%97%e4%ba%ac%e5%a4%a7%e5%ad%a6%e8%b0%ad%e6%b5%b7%e4%bb%81nat-commun-ma%e9%98%b3%e7%a6%bb%e5%ad%90%e6%b2%bb%e6%84%88%e9%92%99%e9%92%9b%e7%9f%bf","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=151185","title":{"rendered":"\u5357\u4eac\u5927\u5b66\u8c2d\u6d77\u4ec1Nat. Commun.: MA\u9633\u79bb\u5b50\u201c\u6cbb\u6108\u201d\u9499\u949b\u77ff\u7684\u7f3a\u9677"},"content":{"rendered":"

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

\u9ad8\u6548\u7387\u5bbd\u7981\u5e26\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u4e0e\u6676\u7845\u4ee5\u53ca\u5176\u5b83\u7a84\u7981\u5e26\u5438\u6536\u6750\u6599\u76f8\u7ed3\u5408\uff0c\u53ef\u5b9e\u73b0\u9ad8\u6548\u7684\u4e32\u8054\u5149\u4f0f\u5668\u4ef6\u3002\u7136\u800c\u7531\u4e8e\u591a\u6676\u9499\u949b\u77ff\u8584\u819c\u4e2d\u9ad8\u7684\u9677\u9631\u6001\u5bc6\u5ea6\uff0c\u5bbd\u7981\u5e26\u9499\u949b\u77ff\u7535\u6c60\u7684\u6027\u80fd\u8fdc\u4e0d\u5982\u7981\u5e26\u5bbd\u5ea6\u4e3a1.6 eV\u4ee5\u4e0b\u7684\u9499\u949b\u77ff\u7535\u6c60\u3002\u63d0\u9ad8\u9499\u949b\u77ff\u7684\u7f3a\u9677\u5bb9\u5fcd\u5ea6\u662f\u6539\u5584\u5bbd\u7981\u5e26\u9499\u949b\u77ff\u7535\u6c60\u6027\u80fd\u7684\u4e00\u6761\u6709\u6548\u9014\u5f84\u3002\u5df2\u6709\u7814\u7a76\u8868\u660e\u5e38\u89c4\u9499\u949b\u77ff\u7535\u6c60\u4e2dA\u4f4d\u9633\u79bb\u5b50\u7684\u6df7\u5408\u662f\u5b9e\u73b0\u9ad8\u6548\u7387\u7684\u5173\u952e\uff0c\u5f53\u524d\u62a5\u9053\u7684\u9ad8\u6548\u7387\u9499\u949b\u77ff\u7535\u6c60\u4e2d\u90fd\u542b\u6709\u5c11\u91cf\u7684MA\u9633\u79bb\u5b50\u3002\u7136\u800c\u5728\u6df7\u5408\u9633\u79bb\u5b50\u9499\u949b\u77ff\u4e2d\uff0cMA\u79bb\u5b50\u5728\u5176\u4e2d\u626e\u6f14\u7684\u89d2\u8272\u5c1a\u4e0d\u660e\u786e\u3002\u5728\u8be5\u7814\u7a76\u4e2d\uff0c\u4f5c\u8005\u5728\u5bbd\u7981\u5e26\u9499\u949b\u77ff\u4e2d\u5f15\u5165\u5c11\u91cfMA\u9633\u79bb\u5b50\uff0c\u7ec4\u88c5\u7684\u7535\u6c60\u5668\u4ef6\u6548\u7387\u663e\u8457\u63d0\u5347\uff0c\u5e76\u901a\u8fc7\u7406\u8bba\u8ba1\u7b97\u7814\u7a76\u4e86MA\u9633\u79bb\u5b50\u5bf9\u9499\u949b\u77ff\u4e2d\u7f3a\u9677\u6027\u80fd\u7684\u5f71\u54cd\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u5357\u4eac\u5927\u5b66\u8c2d\u6d77\u4ec1\u6559\u6388\uff08\u7b2c\u4e00\u4f5c\u8005\u548c\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u548c\u52a0\u62ff\u5927\u591a\u4f26\u591a\u5927\u5b66Edward H. Sargent\u200a\u6559\u6388<\/strong>\u7b49\u4eba\u5728FA-Cs\u57fa\u5bbd\u7981\u5e26\u9499\u949b\u77ff\u4e2d\u5f15\u5165\u5c11\u91cfMA\u5076\u6781\u9633\u79bb\u5b50\uff0c\u5206\u522b\u5236\u5907\u5f97\u5230\u7981\u5e26\u5bbd\u5ea6\u4e3a1.65 eV\u548c1.74 eV\u7684\u9499\u949b\u77ff\u7535\u6c60\uff0c\u524d\u8005\u5f00\u8def\u7535\u538b\u9ad8\u8fbe1.22V\uff0c\u586b\u5145\u56e0\u5b50\u8d85\u8fc780%\uff0c\u6700\u9ad8\u7a33\u6001\u5149\u7535\u8f6c\u6362\u6548\u7387\u4e3a20.70%\uff1b\u540e\u8005\u5f00\u8def\u7535\u538b\u9ad8\u8fbe1.25V\uff0c\u7a33\u6001\u6548\u7387\u4e3a19.1%\u3002\u6b64\u5916\uff0c\u7ecf\u7531\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u53d1\u73b0\uff0c\u5728\u6df7\u5408\u9633\u79bb\u5b50\u5364\u5316\u7269\u9499\u949b\u77ff\u4e2d\uff0c\u5076\u6781\u9633\u79bb\u5b50MA\u7684\u5f15\u5165\u53ca\u91cd\u5b9a\u5411\u6d88\u9664\u4e86\u5f15\u5165\u6df1\u9677\u9631\u6001\u7684\u7f3a\u9677\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a\u201cDipolar cations confer defect tolerance in wide-bandgap metal halide perovskites\u201d<\/strong>\u53d1\u8868\u5728Nat. Commun.<\/strong> \u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe\u4e00 \u9499\u949b\u77ff\u8584\u819c\u7684\u5149\u5b66\u53ca\u7ed3\u6784\u8868\u5f81<\/strong>
\n \"\"
\n (a) \u9499\u949b\u77ff\u8584\u819c\u7684\u7d2b\u5916\u53ef\u89c1\u5438\u6536\u5149\u8c31\uff1b
\n (b) \u9499\u949b\u77ff\u8584\u819c\u7684XRD\u884d\u5c04\u8c31\uff1b
\n (c, d) CsFA\u548cCsMAFA\u9499\u949b\u77ff\u8584\u819c\u7684SEM\uff1b
\n (e, f) CsFA\u548cCsMAFA\u9499\u949b\u77ff\u8584\u819c\u7684\u77ac\u6001\u5438\u6536\u7814\u7a76\u3002<\/p>\n

\u56fe\u4e8c \u9499\u949b\u77ff\u7535\u6c60\u5668\u4ef6\u6027\u80fd\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5668\u4ef6\u5149\u4f0f\u53c2\u6570\u7684\u76f4\u65b9\u7edf\u8ba1\uff1b
\n (b) \u9499\u949b\u77ff\u7535\u6c60\u7684\u6b63\u53cd\u626bJ-V\u6027\u80fd\u66f2\u7ebf\uff1b
\n (c) \u9499\u949b\u77ff\u7535\u6c60\u7684EQE\u5149\u8c31\uff1b
\n (d) 1.1cm2<\/sup>\u6d3b\u6027\u5c42\u9762\u79efCsMAFA\u9499\u949b\u77ff\u7535\u6c60\u7684\u6700\u4f73J-V\u6027\u80fd\u66f2\u7ebf\u3002<\/p>\n

\u56fe\u4e09 \u8f7d\u6d41\u5b50\u590d\u5408\u52a8\u529b\u5b66\u7814\u7a76<\/strong>
\n \"\"
\n (a) \u9499\u949b\u77ff\u8584\u819c\u7684\u7a33\u6001PL\u5149\u8c31\uff1b
\n (b) \u9499\u949b\u77ff\u8584\u819c\u7684\u77ac\u6001PL\u5149\u8c31\uff1b
\n (c) \u7531\u963b\u6297\u8c31\u5f97\u51fa\u9499\u949b\u77ff\u7535\u6c60\u4e2d\u8f7d\u6d41\u5b50\u7684\u590d\u5408\u5bff\u547d\uff1b
\n (d) \u7531\u4ea4\u6d41\u963b\u6297\u8c31\u5f97\u51fa\u9499\u949b\u77ff\u7535\u6c60\u7684\u9677\u9631\u6001\u5bc6\u5ea6\u3002<\/p>\n

\u56fe\u56db MA\u79bb\u5b50\u91cd\u5b9a\u5411\u6cbb\u6108\u9499\u949b\u77ff\u7684\u5e26\u7535\u8377\u7f3a\u9677<\/strong>
\n \"\"
\n (a) \u7f3a\u9677PbI<\/sub>\u5b58\u5728\u60c5\u51b5\u4e0b\u9499\u949b\u77ff\u7684\u6001\u5bc6\u5ea6\uff0c\u5f15\u5165MA\u79bb\u5b50\u540e\uff0c\u7a7a\u9699\u6001\u6d88\u5931\uff1b
\n (b, c, d) \u7f3a\u9677BrPb<\/sub>\/PbI<\/sub>\/IPb<\/sub>\u5b58\u5728\u60c5\u51b5\u4e0b\u9499\u949b\u77ff\u7684\u6001\u5bc6\u5ea6\uff1b
\n (e, f, g) \u5177\u6709IPb<\/sub>\u7f3a\u9677\u7684\u9499\u949b\u77ff\u7684\u6ce2\u51fd\u6570\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u7814\u7a76\u4eba\u5458\u5728FA-Cs\u57fa\u5bbd\u7981\u5e26\u9499\u949b\u77ff\u4e2d\u5f15\u5165MA\u9633\u79bb\u5b50\uff0c\u51cf\u5c11\u4e86\u7531\u7f3a\u9677\u5f15\u8d77\u7684\u975e\u8f90\u5c04\u590d\u5408\uff0c\u5236\u5907\u5f97\u5230\u4e86\u9ad8\u6548\u7387\u7684\u5bbd\u7981\u5e26\u9499\u949b\u77ff\u7535\u6c60\u3002\u6b64\u5916\uff0cDFT\u8ba1\u7b97\u7814\u7a76\u8868\u660e\uff0c\u6df7\u5408\u9633\u79bb\u5b50\u9499\u949b\u77ff\u4e2d\u5076\u6781\u9633\u79bb\u5b50MA\u7684\u63ba\u5165\u548c\u91cd\u5b9a\u5411\u5c55\u73b0\u4e86\u4fee\u590dFA-Cs\u57fa\u9499\u949b\u77ff\u4e2d\u5f15\u5165\u6df1\u9677\u9631\u6001\u7684\u7f3a\u9677\u7684\u6f5c\u529b\u3002\u8be5\u7814\u7a76\u4e3a\u8fdb\u4e00\u6b65\u63d0\u9ad8\u9499\u949b\u77ff\u57fa\u4e32\u8054\u5149\u4f0f\u5668\u4ef6\u7684\u5149\u7535\u8f6c\u6362\u6548\u7387\u94fa\u5e73\u4e86\u9053\u8def\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5:<\/strong> Dipolar cations confer defect tolerance in wide-bandgap metal halide perovskites<\/a>\uff08Nat. Commun. 2018, DOI: 10.1038\/s41467-018-05531-8\uff09<\/p>\n

\n \u3010\u56e2\u961f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u8c2d\u6d77\u4ec1\u535a\u58eb\u5165\u9009\u4e2d\u7ec4\u90e8\u7b2c\u5341\u56db\u6279\u9752\u5e74\u5343\u4eba\u8ba1\u5212\uff0c\u4e8e2018\u5e743\u6708\u52a0\u5165\u5357\u4eac\u5927\u5b66\u73b0\u4ee3\u5de5\u7a0b\u4e0e\u5e94\u7528\u79d1\u5b66\u5b66\u9662\uff0c\u7ec4\u5efa\u80fd\u6e90\u5149\u7535\u6750\u6599\u4e0e\u5668\u4ef6\u8bfe\u9898\u7ec4\uff0c\u4e3b\u8981\u4ece\u4e8b\u9762\u5411\u65b0\u80fd\u6e90\u9886\u57df\u7684\u534a\u5bfc\u4f53\u5149\u7535\u6750\u6599\u4e0e\u5668\u4ef6\u65b9\u5411\u7684\u7814\u7a76\uff0c\u4e3b\u8981\u5305\u62ec\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u3001\u9499\u949b\u77ff-\u6676\u7845\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\u3001\u667a\u80fd\u5149\u4f0f\u53d1\u7535\u7cfb\u7edf\u7b49\u3002\u8c2d\u6d77\u4ec1\u535a\u58eb\u5728\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u548c\u7845\u57fa\u8584\u819c\u592a\u9633\u80fd\u7535\u6c60\u9886\u57df\u5f00\u5c55\u4e86\u8f83\u4e3a\u7cfb\u7edf\u6df1\u5165\u7684\u7814\u7a76\uff0c\u5b9e\u73b0\u4e86\u5e73\u9762\u578b\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u3001\u975e\u6676\u7845\/\u5fae\u6676\u7845\u53e0\u5c42\u592a\u9633\u80fd\u7535\u6c60\u4ee5\u53ca\u975e\u6676\u7845\/\u6709\u673a\u805a\u5408\u7269\u6742\u5316\u591a\u7ed3\u592a\u9633\u80fd\u7535\u6c60\u8f6c\u6362\u6548\u7387\u7684\u4e16\u754c\u8bb0\u5f55\uff0c\u5e76\u83b7\u5f97\u4e16\u754c\u5149\u4f0f\u5927\u4f1a\u201c\u9752\u5e74\u7814\u7a76\u5458\u5956\u201d\uff1b\u5728Science, Nature Communications, Nature Energy, Nature Nanotechnology, Advanced Materials, Nano Letters, JACS, Progress in Photovoltaics\u7b49\u520a\u7269\u53d1\u8868\u8bba\u658740\u4f59\u7bc7\uff0c\u5f15\u75282000\u4f59\u6b21\u3002<\/p>\n

\u8bfe\u9898\u7ec4\u957f\u671f\u62db\u8058\u535a\u58eb\u540e\u548c\u4e13\u804c\u79d1\u7814\u4eba\u5458\uff08\u52a9\u7406\u7814\u7a76\u5458\u3001\u526f\u7814\u7a76\u5458\uff09\uff0c\u8bfe\u9898\u7ec4\u7f51\u7ad9\uff1ahttps:\/\/hairentan.wixsite.com\/nju-solarlab-ch<\/a><\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u80fd\u6e90\u7ec4\u565c\u565c\u7f16\u8f91\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a\u6d4b\u8bd5\u8c37\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

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