{"id":131987,"date":"2018-03-30T06:30:01","date_gmt":"2018-03-29T22:30:01","guid":{"rendered":"\/\/m.iemloyee.com\/?p=131987"},"modified":"2018-03-28T10:43:38","modified_gmt":"2018-03-28T02:43:38","slug":"energy-environ-sci-%ef%bc%9a%e5%af%b9%e5%8d%a4%e5%8c%96%e9%93%85%e9%92%99%e9%92%9b%e7%9f%bf%e6%9d%90%e6%96%99%e7%9a%84%e9%ab%98%e6%b8%a9%e6%bf%80%e5%ad%90%e6%80%81%e5%8f%8a%e5%85%b6%e6%8d%95","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=131987","title":{"rendered":"Energy. Environ. Sci.\uff1a\u5bf9\u5364\u5316\u94c5\u9499\u949b\u77ff\u6750\u6599\u7684\u9ad8\u6e29\u6fc0\u5b50\u6001\u53ca\u5176\u6355\u83b7\u884c\u4e3a\u7684\u7814\u7a76"},"content":{"rendered":"

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

\u5728\u9ad8\u6548\u5149\u4f0f\u3001\u53d1\u5149\u548c\u63a2\u6d4b\u7b49\u65b9\u9762\uff0c\u9499\u949b\u77ff\u6742\u5316\u91d1\u5c5e\u5364\u5316\u7269\u6750\u6599\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\u3002\u8fd9\u4e9b\u6210\u529f\u4e3b\u8981\u5f97\u76ca\u4e8e\u8be5\u7c7b\u6750\u6599\u4f18\u5f02\u7684\u5149\u7535\u7279\u6027\uff0c\u5305\u62ec\u5728\u53ef\u89c1\u533a\u57df\u7684\uff5e105<\/sup> cm-1<\/sup>\u7684\u9ad8\u5149\u5438\u6536\u7cfb\u6570\uff08\u03b1<\/em>\uff09\uff0c\u5177\u6709\u8d85\u8fc71\u03bcs\u7684\u957f\u5bff\u547d\u548c\u6781\u6162\u7684\u70ed\u8f7d\u6d41\u5b50\u51b7\u5374\u8fc7\u7a0b\u3002\u8fd9\u4e9b\u7279\u6027\u80cc\u540e\u662f\u4e00\u79cd\u5185\u5728\u7684\u5149\u7269\u7406\u673a\u5236\uff0c\u5b83\u51b3\u5b9a\u4e86\u5149\u7684\u5438\u6536\uff0c\u8f7d\u4f53\u7684\u70ed\u5316\u548c\u51b7\u5374\uff0c\u4ee5\u53ca\u91cd\u7ec4\u6216\u7535\u8377\u8f6c\u79fb\u52a8\u529b\u5b66\u8fc7\u7a0b\u3002<\/p>\n

\u6700\u8fd1\u7684\u7814\u7a76\u5f3a\u8c03\u4e86\u70ed\u58f0\u5b50\u74f6\u9888\u548c\u6781\u5316\u5b50\u7684\u5b58\u5728\u5bf9\u70ed\u8f7d\u6d41\u5b50\u6563\u5c04\u7684\u5c4f\u853d\u6548\u5e94\uff0c\u4ee5\u89e3\u91ca\u8fd9\u4e9b\u6750\u6599\u7684\u6fc0\u53d1\u6001\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66\u3002\u5728\u51b7\u5374\u4e4b\u540e\uff0c\u6709\u62a5\u9053\u663e\u793a\uff0c\u5728\u9ad8\u6e29\u4e0b\uff0c\u81ea\u7531\u7684\u8f7d\u4f53\u5f62\u6210\u5360\u4e3b\u5bfc\u5730\u4f4d\uff0c\u540c\u65f6\u8fd8\u89c2\u6d4b\u5230\u4e86\u6fc0\u5b50\u632f\u8361\u3001\u5c40\u57df\u548c\u8f6c\u79fb\u7b49\u7269\u7406\u8fc7\u7a0b\u3002\u9499\u949b\u77ff\u7684\u5e26\u8fb9\u5149\u5438\u6536\u5219\u53ef\u80fd\u662f\u7531\u8fd9\u4e9b\u6fc0\u5b50\u6001\u5f15\u8d77\u7684\uff0c\u7136\u800c\uff0c\u5176\u5b83\u62a5\u9053\u6307\u51fa\uff0c\u5e26\u8fb9\u5149\u5438\u6536\u6027\u8d28\u662f\u7531\u5e26\u5c3e\u6001\u6216\u95f4\u63a5\u5e26\u9699\u8d21\u732e\u7684\u3002\u663e\u7136\uff0c\u5728\u9499\u949b\u77ff\u7684\u76f4\u63a5\u5e26\u8fb9\u4e4b\u4e0b\u7684\u4f4e\u80fd\u7535\u5b50\u6001\u5728\u51b3\u5b9a\u5176\u5149\u7535\u7279\u6027\u65b9\u9762\u8d77\u7740\u5173\u952e\u4f5c\u7528\u3002\u7136\u800c\uff0c\u5bf9\u8fd9\u4e9b\u7535\u5b50\u80fd\u6001\u7684\u7814\u7a76\u5c1a\u672a\u83b7\u5f97\u5171\u8bc6\uff0c\u8fdb\u800c\u5bfc\u81f4\u4e86\u7814\u7a76\u4eba\u5458\u5bf9\u9499\u949b\u77ff\u6750\u6599\u6700\u57fa\u672c\u5149\u5b66\u548c\u6750\u6599\u7279\u6027\u7684\u6301\u7eed\u7684\u4e89\u8bba\uff0c\u6bd4\u5982\u5355\u6676\u7684\u4f4e\u80fd\u91cf\u5438\u6536\uff0c\u8d85\u957f\u7684\u8f7d\u6d41\u5b50\u51b7\u5374\u548c\u590d\u5408\u5bff\u547d\uff0c\u81ea\u7531\u8f7d\u6d41\u5b50-\u6fc0\u5b50\uff0c\u4ee5\u53ca\u76f4\u63a5\u548c\u95f4\u63a5\u5e26\u9699\u7279\u6027\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6765\u81ea\u4e2d\u56fd\u79d1\u5b66\u9662\u7269\u7406\u6240\u7684\u5b5f\u5e86\u6ce2\u6559\u6388\u56e2\u961f\u548c\u6fb3\u6d32\u83ab\u7eb3\u4ec0\u5927\u5b66\u7684<\/strong>Jacek J. Jasieniak<\/strong>\u6559\u6388<\/strong>\u5408\u4f5c<\/strong>\u5728Energy. Environ. Sci.\u53d1\u8868\u6587\u7ae0\uff0c\u9898\u4e3a\uff1a\u201cIdentification of High-Temperature Exciton States and Their Phase-Dependent Trapping Behaviour in Lead Halide Perovskites\u201d\u3002\u7814\u7a76\u4eba\u5458\u7814\u7a76\u4e86\u591a\u6676\u548c\u5355\u6676\u9499\u949b\u77ff\u6750\u6599\u7684\u5e26\u8fb9\u548c\u6b21\u5e26\u80fd\u7ea7\u7279\u6027\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u7684\u5149\u7269\u7406\u8d77\u6e90\u3002\u901a\u8fc7\u6e29\u5ea6\u3001\u6fc0\u53d1\u5f3a\u5ea6\u548c\u65f6\u95f4\u76f8\u5173\u7684\u5149\u5b66\u6d4b\u91cf\uff0c\u7814\u7a76\u4eba\u5458\u5728\u9ad8\u8fbe300K\u7684\u5f88\u5bbd\u7684\u6e29\u5ea6\u8303\u56f4\u5185\u5747\u89c2\u6d4b\u5230\u4e86\u9499\u949b\u77ff\u6750\u6599\u5185\u5171\u5b58\u7684\u4e24\u79cd\u6fc0\u5b50\u80fd\u6001(\u88ab\u8ba4\u4e3a\u662f\u81ea\u7531\u548c\u675f\u7f1a\u6001\u6fc0\u5b50)\u3002\u8fd9\u4e9b\u6fc0\u5b50\u6001\u53ef\u4ee5\u89e3\u91ca\u4e4b\u524d\u5907\u53d7\u4e89\u8bae\u7684\u4f4e\u80fd\u5438\u6536\u548c\u591a\u5cf0\u8f90\u5c04\u73b0\u8c61\u3002\u6b64\u5916\uff0c\u8fd9\u4e9b\u6fc0\u5b50\u7684\u4fd8\u83b7\u548c\u590d\u5408\u52a8\u529b\u5b66\u8fc7\u7a0b\uff0c\u88ab\u8bc1\u660e\u5f3a\u70c8\u4f9d\u8d56\u4e8e\u9499\u949b\u77ff\u7684\u7ed3\u6784\u76f8\u3002\u6b63\u4ea4\u76f8\u8868\u73b0\u51fa\u4e86\u8d85\u5feb\u7684\u6fc0\u5b50\u4fd8\u83b7\u548c\u663e\u8457\u7684\u7f3a\u9677\u6001\u8f90\u5c04\uff0c\u800c\u56db\u65b9\u76f8\u5219\u7ed9\u51fa\u4e86\u5f88\u4f4e\u7684\u5355\u5206\u5b50\u590d\u5408\u901f\u5ea6\u548c\u6781\u5c0f\u7684\u7535\u8377\u6355\u83b7\u622a\u9762(10-18<\/sup> cm2<\/sup>)\u3002\u57fa\u4e8e\u591a\u58f0\u5b50\u8dc3\u8fc1\u548c\u6676\u683c\u5f1b\u8c6b\u7406\u8bba\uff0c\u7814\u7a76\u53d1\u73b0\uff0c\u7535\u8377\u6355\u83b7\u7684\u6291\u5236\u4e3b\u8981\u5f97\u76ca\u4e8e\u7535\u8377\u4fd8\u83b7\u6fc0\u6d3b\u80fd\u7684\u589e\u52a0\uff0c\u53ef\u80fd\u662f\u7531\u4e8e\u6b63\u4ea4-\u56db\u65b9\u76f8\u53d8\u540e\u65e0\u673a\u6846\u67b6\u5185\u7535\u5b50–\u6676\u683c\u76f8\u4e92\u4f5c\u7528\u7684\u51cf\u5f31\u3002\u8fd9\u5f88\u597d\u5730\u89e3\u91ca\u4e86\u8fd9\u4e9b\u6750\u6599\u7cfb\u7edf\u4e2d\u8d85\u957f\u7684\u8f7d\u6d41\u5b50\u5bff\u547d\u3002\u8fd9\u4e9b\u53d1\u73b0\u4f7f\u7814\u7a76\u4eba\u5458\u5bf9\u9499\u949b\u77ff\u6750\u6599\u7684\u5149\u7269\u7406\u6027\u8d28\u7684\u8d77\u6e90\u6709\u4e86\u66f4\u6e05\u6670\u7684\u8ba4\u8bc6\uff0c\u5e76\u4e14\u53d1\u73b0\u4e86\u9ad8\u6e29\u7a33\u5b9a\u7684\u6fc0\u5b50\u6001\u3002\u5728\u8bbe\u8ba1\u57fa\u4e8e\u9499\u949b\u77ff\u6750\u6599\u7684\u80fd\u91cf\u8f6c\u6362\u548c\u5229\u7528\u5668\u4ef6\u65f6\uff0c\u8fd9\u4e9b\u6fc0\u5b50\u6001\u5c06\u6210\u4e3a\u5173\u6ce8\u70b9\u4e4b\u4e00\u3002<\/p>\n

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

\u56fe1. \u4e0d\u540c\u6d53\u5ea6MAPbBr3<\/sub>\u5206\u6563\u6db2\u7684\u5149\u5438\u6536\u7279\u6027<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u5f52\u4e00\u5316\u7684\u5149\u5438\u6536\u5149\u8c31\uff1b<\/p>\n

(b)\u4f4e\u80fd\u5149\u5438\u6536\u4e0e\u6d53\u5ea6\u7684\u5173\u7cfb\uff1b<\/p>\n

(c)\uff0c(d) 0.002 M\u548c0.2 M\u9499\u949b\u77ff\u6d53\u5ea6\u7684\u5149\u5438\u6536\u66f2\u7ebf\u53ca\u62df\u5408\uff1b<\/p>\n

(e) \u5728\u589e\u52a0\u9499\u949b\u77ff\u6d53\u5ea6\u65f6\uff0c\u6fc0\u5b50\u5438\u6536\u7684\u6f14\u5316\u8fc7\u7a0b\u3002\u4e3a\u4e86\u6e05\u6670\u8d77\u89c1\uff0c\u8fde\u7eed\u5e26\u5438\u6536\u9879\u5df2\u88ab\u51cf\u53bb\u3002<\/p>\n

\u56fe2. MAPbBr3<\/sub>\u8584\u819c\u6e29\u5ea6\u76f8\u5173\u7684\u7a33\u6001PL\u5149\u8c31<\/strong><\/p>\n

\"\"<\/p>\n

\u5b9e\u9a8c\u6d4b\u5f97\u7684PL\u5149\u8c31(a) 145K\uff0c(b) 170 K, 200 K, 250 K\u548c300 K\uff1b<\/p>\n

(c) \u6e29\u5ea6\u76f8\u5173\u7684\u6fc0\u5b50\u548c\u7f3a\u9677\u6001\u8f90\u5c04\u5f3a\u5ea6\uff1b<\/p>\n

(d) 110 K\u548c145 K\u65f6\uff0c\u6fc0\u53d1\u5f3a\u5ea6(I<\/em>exc<\/sub>)\u4f9d\u8d56\u7684\u6fc0\u5b50PL\u5f3a\u5ea6(I<\/em>PL<\/sub>)\u3002<\/p>\n

\u56fe3. \u9499\u949b\u77ff\u5355\u6676\u7684PL<\/strong><\/p>\n

\"\"<\/p>\n

\u53d1\u5c04\u6ce2\u957f\u548c\u65f6\u95f4\u8870\u51cf\u4f9d\u8d56\u7684MAPbBr3<\/sub>\u5355\u6676\u77ac\u6001PL\u4e8c\u7ef4\u5f69\u56fe(165 K, (a)\u8868\u9762(b)\u4f53\u76f8)\uff1b\u4f53\u76f8\u6750\u6599\u662f\u901a\u8fc7\u5355\u6676\u89e3\u7406\u83b7\u5f97\u7684\uff0c\u5b83\u88ab\u4e00\u4e2a\u8584\u7684PMMA\u5c42\u4fdd\u62a4\u7740\u3002<\/p>\n

\u57282ns\u548c5ns\u7684\u65f6\u95f4\u5ef6\u8fdf\u4e2d\uff0c\u9499\u949b\u77ff\u5355\u6676\u7684\u5178\u578b\u7684PL\u5149\u8c31((c)\u8868\u9762(d)\u4f53\u76f8)\uff1b<\/p>\n

(e)\u5ba4\u6e29\u4e0b\uff0c\u901a\u8fc7\u76d1\u6d4b\u6cf5\u6d66\u5bc6\u5ea6\u4e0ePL\u5f3a\u5ea6\u7684\u5173\u7cfb\uff0c\u5bf9\u9499\u949b\u77ff\u9677\u9631\u5bc6\u5ea6\u8fdb\u884c\u6d4b\u91cf\uff1b<\/p>\n

\u56fe4. \u4f4e\u6e29\u6761\u4ef6\u4e0b\uff0c\u9499\u949b\u77ff\u7684\u6fc0\u5b50\u4fd8\u83b7\u548c\u9677\u9631\u8f90\u5c04<\/strong><\/p>\n

\"\"<\/p>\n

(a) 70K\uff0c\u77ac\u6001PL\u4e0e\u53d1\u5c04\u6ce2\u957f\u548c\u5ef6\u8fdf\u65f6\u95f4\u76f8\u5173\u7684\u4e8c\u7ef4\u5f69\u56fe\uff08\u5f52\u4e00\u5316PL\u5f3a\u5ea6\uff09\uff1b<\/p>\n

(b) \u65e9\u671f\u7684\u77ac\u6001PL\uff1b<\/p>\n

(c) \u534a\u5bfc\u4f53\u4e2d\uff0c\u5bfc\u5e26\uff08UC<\/sub>\uff09\u3001\u7f3a\u9677\u6001\uff08Ut<\/sub>\uff09\u548c\u4ef7\u5e26\uff08UV<\/sub>\uff09\u7684\u4e00\u7ef4\u4f4d\u5f62\u56fe\uff1b<\/p>\n

(d) 70K\uff0c\u9499\u949b\u77ff\u7684\u6fc0\u53d1\u5f3a\u5ea6\u76f8\u5173\u7684\u7a33\u6001PL\u5149\u8c31\uff1b<\/p>\n

(e) \u4e0d\u540c\u6e29\u5ea6\u4e0b\uff0c\u7f3a\u9677\u6001PL\u5cf0\u503c\u4e0e\u5f3a\u5ea6\u95f4\u7684\u5bf9\u6570\u5173\u7cfb\uff1b<\/p>\n

\u3010\u603b\u7ed3\u3011<\/strong><\/p>\n

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\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Identification of High-Temperature Exciton States and Their Phase-Dependent Trapping Behaviour in Lead Halide Perovskites<\/a>, (Energy. Environ. Sci., 2018, 10.1039\/C7EE03543H)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u5b66\u672f\u7ec4Z. Chen\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

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

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