{"id":150973,"date":"2018-08-22T06:30:14","date_gmt":"2018-08-21T22:30:14","guid":{"rendered":"\/\/m.iemloyee.com\/?p=150973"},"modified":"2018-08-19T21:29:07","modified_gmt":"2018-08-19T13:29:07","slug":"advanced-materials%ef%bc%9a%e7%ba%b3%e7%b1%b3%e7%bb%93%e6%9e%84%e9%92%99%e9%92%9b%e7%9f%bf%e5%8f%91%e5%85%89%e5%99%a8%e4%bb%b6%e7%9a%84%e5%a4%8d%e5%90%88%e5%8a%a8%e5%8a%9b%e5%ad%a6%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=150973","title":{"rendered":"Advanced Materials\uff1a\u7eb3\u7c73\u7ed3\u6784\u9499\u949b\u77ff\u53d1\u5149\u5668\u4ef6\u7684\u590d\u5408\u52a8\u529b\u5b66\u7814\u7a76"},"content":{"rendered":"

\u3010\u524d\u8a00\u3011<\/strong><\/p>\n

\u8fd1\u5e74\u6765\uff0c\u6709\u673a-\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u88ab\u8bc1\u660e\u53ef\u7528\u4f5c\u5404\u79cd\u5e94\u7528\u7684\u80fd\u91cf\u8f6c\u6362\u6750\u6599\uff0c\u5305\u62ec\u592a\u9633\u80fd\u7535\u6c60\u3001\u53d1\u5149\u4e8c\u6781\u7ba1\u548c\u6fc0\u5149\u5668\u3002\u7531\u4e8e\u5b83\u4eec\u7684\u6eb6\u6db2\u52a0\u5de5\u6027\u548c\u4f4e\u6750\u6599\u6210\u672c\uff0c\u8fd9\u7c7b\u6750\u6599\u663e\u793a\u51fa\u5de8\u5927\u7684\u6f5c\u529b\u6765\u6ee1\u8db3\u672a\u6765\u7684\u5546\u4e1a\u9700\u6c42\u3002\u5c3d\u7ba1\u6709\u673a-\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u5df2\u7ecf\u6210\u4e3a\u7814\u7a76\u7684\u70ed\u70b9\uff0c\u968f\u7740\u8fd1\u5e74\u6765\u7684\u663e\u8457\u6539\u8fdb\uff0c\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u9886\u57df\u4e5f\u5728\u8fc5\u901f\u6269\u5c55\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5927\u7ea620\u5e74\u524d\uff0c\u7814\u7a76\u4eba\u5458\u5f00\u59cb\u63a2\u7d222D\u6709\u673a-\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u7684\u5149\u81f4\u53d1\u5149\u548c\u7535\u81f4\u53d1\u5149\u7684\u6f5c\u529b\uff0c\u5c3d\u7ba1\u5728\u6700\u521d\u7684\u5b9e\u9a8c\u4e2d\u8fd9\u79cd\u6027\u80fd\u5f88\u5dee\u3002\u8fd1\u5e74\u6765\uff0c\u84dd\u8272\u3001\u7eff\u8272\u3001\u7ea2\u8272\u548c\u7ea2\u5916\u53d1\u5c04(\u5305\u62ec\u5c16\u9510\u53d1\u5c04)3D\u4f53\u7ed3\u6784\u9499\u949b\u77ff\u578b\u53d1\u5149\u4e8c\u6781\u7ba1\u88ab\u5e7f\u6cdb\u62a5\u9053\u3002\u901a\u8fc7\u4f7f\u7528\u591a\u91cf\u5b50\u9631\u7ed3\u6784\uff0c\u8fd1\u7ea2\u5916\u53d1\u5c04\u9499\u949b\u77ff\u578b\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u5916\u90e8\u91cf\u5b50\u6548\u7387(EQE)\u5df2\u7ecf\u8d85\u8fc7\u4e8611.7 %\u3002\u901a\u8fc7\u5f62\u6210\u9631\u949d\u5316\u7684\u51c62D\u9499\u949b\u77ff\uff0c\u7eff\u8272\u9499\u949b\u77ffLED\u7684\u6700\u4f73\u6027\u80fd\u8d85\u8fc7\u4e8614 %\u3002\u57fa\u4e8e\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u4f53\u548c2D\u7ed3\u6784\u7684\u53d1\u5c04\u5668\u4e5f\u663e\u793a\u51fa\u5f88\u9ad8\u7684EQEs\uff0c\u7ea2\u8272\u53d1\u5c04\u53606.3 %\uff0c\u84dd\u8272\u53d1\u5c04\u53602.6 %\u3002\u5c3d\u7ba1\u9499\u949b\u77ff\u578b\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u6027\u80fd\u4e0d\u65ad\u63d0\u9ad8\uff0c\u4f46\u662f\u8fd9\u4e9b\u5668\u4ef6\u4e2d\u7684\u5927\u591a\u6570\u4ecd\u7136\u5b58\u5728\u6548\u7387\u4e0b\u964d\u7684\u95ee\u9898\uff0c\u8fd9\u662f\u7531\u4e8e\u5728\u8f83\u9ad8\u7684\u5de5\u4f5c\u529f\u7387\u6c34\u5e73\u4e0b\u975e\u8f90\u5c04\u590d\u5408\u7684\u589e\u5f3a\u9020\u6210\u7684\u3002\u56e0\u6b64\uff0c\u5bf9\u590d\u5408\u52a8\u529b\u5b66\u548c\u5668\u4ef6\u884c\u4e3a\u5173\u7cfb\u7684\u57fa\u7840\u7814\u7a76\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\uff0c\u4ee5\u4fbf\u66f4\u6df1\u5165\u5730\u4e86\u89e3\u9499\u949b\u77ff\u578b\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u53d1\u5c04\u7279\u6027\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6765\u81ea\u534e\u5357\u7406\u5de5\u5927\u5b66\u7684\u53f6\u8f69\u7acb\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u56e2\u961f\u5728Advanced Materials<\/strong>\u53d1\u8868\u6587\u7ae0\uff0c\u9898\u4e3a\uff1aRecombination Dynamics Study on Nanostructured Perovskite Light\u2010Emitting Devices<\/strong>\u3002\u672c\u7814\u7a76\u901a\u8fc7\u6d4b\u91cf\u76f8\u5173\u7684\u77ac\u6001\u5438\u6536\u52a8\u529b\u5b66\u548c\u65f6\u95f4\u5206\u8fa8\u5149\u81f4\u53d1\u5149\u6765\u7814\u7a76\u4e0d\u540c\u6676\u4f53\u5c3a\u5bf8\u7684CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u7684\u590d\u5408\u52a8\u529b\u5b66\u3002\u76ee\u7684\u662f\u627e\u51faPeLEDs\u4e2d\u590d\u5408\u52a8\u529b\u5b66\u548c\u5668\u4ef6\u884c\u4e3a\u4e4b\u95f4\u7684\u8054\u7cfb\u3002\u7ed3\u679c\u8868\u660e, \u968f\u7740\u6676\u7c92\u5c3a\u5bf8\u7684\u51cf\u5c0f\u548c\u5206\u5b50\u590d\u5408\u901f\u7387\u7684\u63d0\u9ad8, \u5206\u5b50\u548c\u4fc4\u6b47\u590d\u5408\u7684\u6548\u7387\u8d8a\u6765\u8d8a\u9ad8\u3002\u901a\u8fc7\u5b9a\u4e49\u8f90\u5c04\u6548\u7387\u03a6(n), \u5b83\u6d89\u53ca\u5206\u5b50\u3001\u53cc\u5206\u5b50\u548c\u4fc4\u6b47\u590d\u5408, CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u819c\u7684\u590d\u5408\u57fa\u672c\u6027\u8d28\u5728\u5b9a\u91cf\u65b9\u9762\u5f97\u5230\u4e86\u8bc6\u522b\u3002\u8fd9\u4e9b\u53d1\u73b0\u6709\u52a9\u4e8e\u4eba\u4eec\u7406\u89e3PeLEDs\u7684\u53d1\u5149\u884c\u4e3a\u3002\u8fd9\u9879\u7814\u7a76\u5411\u5efa\u7acb\u8584\u819c\u7ed3\u6784\u3001\u590d\u5408\u52a8\u529b\u5b66\u548cPeLEDs\u5668\u4ef6\u884c\u4e3a\u4e4b\u95f4\u7684\u5173\u7cfb\u8fc8\u51fa\u4e86\u91cd\u8981\u7684\u4e00\u6b65\uff0c\u4ece\u800c\u4e3a\u8bbe\u8ba1\u66f4\u597d\u7684\u9499\u949b\u77ff\u5668\u4ef6\u63d0\u4f9b\u4e86\u6709\u7528\u7684\u89c1\u89e3\u3002<\/p>\n

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

\u56fe1. CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u5f62\u8c8c\u8868\u5f81<\/strong><\/p>\n

\"\"a) 0 % – PEOXA\u3001b) 2.5 % – PEOXA\u3001c) 5 % – PEOXA\u548cd) 7.5 % – PEOXA\u7684CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u7684\u5f62\u8c8c\uff1b<\/p>\n

\u56fe2. CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u7684FDTAD\u7ed3\u679c<\/strong><\/p>\n

\"\"<\/p>\n

a-d)\u4e0d\u540c\u6d53\u5ea6PEOXA\u7684CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u7684FDTAD\u7ed3\u679c\uff1b<\/p>\n

e-h) \u57280 % – PEOXA\u30012.5 % – PEOXA\u30015 % – PEOXA\u548c7.5 % – PEOXA\u7684\u60c5\u51b5\u4e0b\uff0c\u7535\u8377\u8f7d\u6d41\u5b50\u8870\u51cf\u7387\u5206\u522b\u4e0e\u7535\u8377\u8f7d\u6d41\u5b50\u5bc6\u5ea6\u7684\u5173\u7cfb\uff1b<\/p>\n

\u56fe3. \u9499\u949b\u77ffLED\u7ed3\u6784\u548c\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

a)\u9499\u949b\u77ffLED\u7ed3\u6784\u548c\u5668\u4ef6\u4e0d\u540c\u5c42\u7684\u80fd\u7ea7\u56fe\uff1b<\/p>\n

b)\u7535\u6d41\u5bc6\u5ea6\u548c\u8f90\u5c04\u4eae\u5ea6\u4e0e\u7535\u538b\u7279\u6027\u7684\u5173\u7cfb\uff1b<\/p>\n

c) EQE\u4e0e\u7535\u6d41\u5bc6\u5ea6\u8868\u5f81\u7684\u5173\u7cfb\u3002<\/p>\n

\u56fe4. \u4e0d\u540c\u6d53\u5ea6PEOXA\u7684CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u53d1\u5149\u4e8c\u6781\u7ba1\u7279\u6027<\/strong><\/p>\n

\"\"a) \u4e0d\u540c\u6d53\u5ea6PEOXA\u7684CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u5f52\u4e00\u5316EQE\u4e0e\u7535\u6d41\u5bc6\u5ea6\u7279\u6027\u7684\u5173\u7cfb\uff1b<\/p>\n

b) \u5f52\u4e00\u5316\u8f90\u5c04\u6548\u7387\u4e0e\u4e0d\u540c\u6d53\u5ea6PEOXA\u7684CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u7535\u8377\u8f7d\u6d41\u5b50\u6d53\u5ea6\u7684\u5173\u7cfb\uff1b<\/p>\n

\u56fe5. \u8f90\u5c04\u6548\u7387\u4e0e\u7535\u8377\u8f7d\u6d41\u5b50\u5bc6\u5ea6\u7684\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

\u5728a) 0 % – PEOXA\u548cb) 7.5 % – PEOXA\u60c5\u51b5\u4e0b\uff0c\u8f90\u5c04\u6548\u7387\u4e0e\u7535\u8377\u8f7d\u6d41\u5b50\u5bc6\u5ea6\u7684\u5173\u7cfb\u3002<\/p>\n

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

\u4f5c\u8005\u8bd5\u56fe\u57fa\u4e8e\u9499\u949b\u77ff\u8584\u819c\u4e2d\u7684\u6676\u4f53\u5c3a\u5bf8\u6548\u5e94\u6765\u5efa\u7acb\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u8584\u819c\u7ed3\u6784\u3001\u590d\u5408\u52a8\u529b\u5b66\u548c\u5668\u4ef6\u884c\u4e3a\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u901a\u8fc7\u5c06PEOXA\u5f15\u5165CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u4e2d\uff0c\u4f5c\u8005\u5c06CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u7684\u6676\u4f53\u5c3a\u5bf8\u4ece\u8d85\u8fc7100\u7eb3\u7c73\u8c03\u8282\u5230\u51e0\u5341\u7eb3\u7c73\uff0c\u5e76\u83b7\u5f97\u4e86\u5177\u67095.4 % EQE\u7684\u9ad8\u6548CH3<\/sub>NH3<\/sub>PbI3 <\/sub>LED\u3002\u901a\u8fc7\u6d4b\u91cf\u65f6\u95f4\u5206\u8fa8\u7684PL\u548c\u901a\u91cf\u76f8\u5173\u7684\u77ac\u6001\u5438\u6536\u52a8\u529b\u5b66\uff0c\u4f5c\u8005\u53d1\u73b0\u4e0d\u540c\u6676\u4f53\u5c3a\u5bf8\u548c\u5f62\u8c8c\u7684CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u5448\u73b0\u4e0d\u540c\u7684\u590d\u5408\u52a8\u529b\u5b66\u3002\u4fc4\u6b47\u548c\u53cc\u5206\u5b50\u590d\u5408\u8870\u51cf\u5e38\u6570\u968f\u7740\u6676\u4f53\u5c3a\u5bf8\u7684\u51cf\u5c0f\u800c\u589e\u5927\uff0c\u5355\u5206\u5b50\u590d\u5408\u8870\u51cf\u5e38\u6570\u53d7\u9677\u9631\u5bc6\u5ea6\u7684\u5f71\u54cd\u3002\u901a\u8fc7\u6bd4\u8f83CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u7684\u8f90\u5c04\u6548\u7387\u548c\u4e0d\u540c\u6d53\u5ea6PEOXA\u7684\u76f8\u5e94\u53d1\u5149\u4e8c\u6781\u7ba1\u7684EQE\uff0c\u901a\u8fc7\u7814\u7a76\u76f8\u5e94CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u4e0a\u7684\u590d\u5408\u52a8\u529b\u5b66\uff0c\u63ed\u793a\u4e86CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u53d1\u5c04\u884c\u4e3a\u3002\u8fd9\u8868\u660e\u590d\u5408\u52a8\u529b\u5b66\u7684\u7814\u7a76\u53ef\u80fd\u662f\u9884\u6d4bCH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u4f5c\u4e3a\u53d1\u5c04\u4f53\u6f5c\u529b\u7684\u53ef\u9760\u65b9\u6cd5\u3002\u4e3a\u4e86\u8fdb\u4e00\u6b65\u7814\u7a76CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u8584\u819c\u7684\u8f90\u5c04\u6548\u7387\uff0c\u4f5c\u8005\u63d0\u51fa\u5b9e\u73b0\u9ad8\u6548\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u53ef\u80fd\u65b9\u6cd5\u3002\u4f5c\u8005\u5efa\u8bae\u5728\u5177\u6709\u8f83\u5927\u6676\u4f53\u7684CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u53d1\u5149\u4e8c\u6781\u7ba1\u4e2d\u9700\u8981\u8f83\u4f4e\u7684\u9677\u9631\u5bc6\u5ea6\u3002\u5bf9\u4e8e\u6676\u4f53\u8f83\u5c0f\u7684CH3<\/sub>NH3<\/sub>PbI3<\/sub>\u53d1\u5149\u4e8c\u6781\u7ba1\uff0c\u9700\u8981\u4f4e\u9677\u9631\u5bc6\u5ea6\u548c\u6291\u5236\u4fc4\u6b47\u590d\u5408\u3002\u6700\u540e\uff0c\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u4f5c\u8005\u5728\u8fd9\u91cc\u7684\u7814\u7a76\u4ec5\u63d0\u4f9b\u4e86\u8584\u819c\u7ed3\u6784\u3001\u590d\u5408\u52a8\u529b\u5b66\u548c\u5668\u4ef6\u884c\u4e3a\u4e4b\u95f4\u5173\u7cfb\u7684\u521d\u6b65\u56fe\u7247\uff0c\u800c\u5176\u4ed6\u8bb8\u591a\u5f71\u54cd\uff0c\u5982\u4ecb\u7535\u73af\u5883\u3001\u7535\u6027\u80fd\u3001\u80fd\u5e26\u6392\u5217\u3001\u8f7d\u6d41\u5b50\u6ce8\u5165\u7b49\uff0c\u4e5f\u5e94\u8be5\u5728\u672a\u6765\u7684\u7814\u7a76\u4e2d\u8fdb\u884c\u5168\u9762\u8bc4\u4f30\uff0c\u4ee5\u4fbf\u5bf9\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66\u548c\u5668\u4ef6\u7279\u6027\u4e4b\u95f4\u7684\u5173\u7cfb\u63d0\u4f9b\u5b8c\u6574\u7684\u7406\u89e3\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Recombination Dynamics Study on Nanostructured Perovskite Light\u2010Emitting Devices<\/a>, (Advanced Materials, 2018, DOI: 10.1002\/adma.201801370)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4Z. Chen\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

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