{"id":193016,"date":"2019-12-29T06:42:35","date_gmt":"2019-12-28T22:42:35","guid":{"rendered":"\/\/m.iemloyee.com\/?p=193016"},"modified":"2019-12-28T18:42:47","modified_gmt":"2019-12-28T10:42:47","slug":"%e8%8b%8f%e5%b7%9e%e5%a4%a7%e5%ad%a6adv-mater-%ef%bc%9a%e9%92%9d%e5%8c%96ch3nh3pbi3%e4%b8%ad%e4%b8%8d%e5%88%a9dx%e4%b8%ad%e5%bf%83%e4%bb%a5%e9%99%8d%e4%bd%8e%e9%9d%9e%e8%be%90%e5%b0%84%e5%a4%8d","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=193016","title":{"rendered":"\u82cf\u5dde\u5927\u5b66Adv. Mater.\uff1a\u949d\u5316CH3NH3PbI3\u4e2d\u4e0d\u5229DX\u4e2d\u5fc3\u4ee5\u964d\u4f4e\u975e\u8f90\u5c04\u590d\u5408\u5e76\u5ef6\u957f\u8f7d\u6d41\u5b50\u5bff\u547d\u7684\u673a\u5236\u7814\u7a76"},"content":{"rendered":"<p><strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n<p>\u6709\u673a\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u5236\u5907\u65b9\u6cd5\u7b80\u5355\u3001\u6210\u672c\u4f4e\u3001\u4ee5\u53ca\u5149\u7535\u8f6c\u5316\u6548\u7387\u589e\u957f\u901f\u5ea6\u5feb\uff0c\u88ab\u89c6\u4e3a\u6700\u6709\u6f5c\u529b\u7684\u592a\u9633\u80fd\u7535\u6c60\u5438\u5149\u5c42\u6750\u6599\u4e4b\u4e00\u3002\u6709\u673a\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u4e2d\u4e3b\u5bfc\u7f3a\u9677\u5177\u6709\u7f3a\u9677\u5bb9\u5fcd\u6027\uff08\u5373\u9ad8\u6d53\u5ea6\u7f3a\u9677\u80fd\u7ea7\u5f88\u6d45\uff0c\u5bf9\u8f7d\u6d41\u5b50\u590d\u5408\u4e0e\u4f20\u8f93\u5f71\u54cd\u4e0d\u5927\uff09\u662f\u5176\u8f6c\u6362\u6548\u7387\u8fc5\u901f\u63d0\u9ad8\u7684\u4e3b\u8981\u9a71\u52a8\u529b\u4e4b\u4e00\u3002\u7136\u800c\uff0c\u7ecf\u5386\u4e00\u6bb5\u53f2\u65e0\u524d\u4f8b\u7684\u8fc5\u901f\u53d1\u5c55\u4e4b\u540e\uff0c\u7535\u6c60\u8f6c\u5316\u6548\u7387\u7684\u589e\u957f\u65e5\u8d8b\u8fdf\u7f13\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u7684\u4e3b\u8981\u9014\u5f84\u662f\u5bf9\u4f4e\u6d53\u5ea6\u6709\u5bb3\u7f3a\u9677\u7684\u6709\u6548\u949d\u5316\u3002\u5c3d\u7ba1\u7cbe\u786e\u7684\u7f3a\u9677\u949d\u5316\u662f\u76ee\u524d\u9ad8\u6548\u7387\u7684\u9499\u949b\u77ff\u7535\u6c60\u4e0d\u53ef\u7f3a\u5c11\u7684\u6b65\u9aa4\uff0c\u5bf9\u4e8e\u6709\u5bb3\u7f3a\u9677\u53ca\u5176\u949d\u5316\u673a\u5236\u7684\u672c\u8d28\u7406\u89e3\u4f9d\u7136\u7f3a\u4e4f\u6e05\u6670\u7684\u8ba4\u8bc6\u3002\u5728\u5757\u4f53MAPbI<sub>3<\/sub>\u4e2d\u6700\u4e3a\u4e0d\u5229\u7684\u7f3a\u9677\u4e4b\u4e00\u662f\u7898\u7a7a\u4f4d(V<sub>I<\/sub>)\uff0c\u8fd1\u671f\u7814\u7a76\u8868\u660e\u7535\u8377\u590d\u5408\u5bf9\u4e8e\u7898\u7a7a\u4f4d\u7684\u4ef7\u6001\u6781\u5176\u654f\u611f\u3002\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u9ad8\u529f\u7387\u8f6c\u5316\u6548\u7387\uff0c\u964d\u4f4eMAPbI<sub>3<\/sub>\u4e2d\u7898\u7a7a\u4f4d\u8fd9\u7c7b\u6df1\u7f3a\u9677\u4ea7\u751f\u7684\u975e\u8f90\u5c04\u590d\u5408\u8def\u5f84\u662f\u5341\u5206\u5fc5\u8981\u7684\u3002\u76ee\u524d\u6700\u4e3a\u9ad8\u6548\u7684\u9499\u949b\u77ff\u7535\u6c60\u90fd\u662f\u57fa\u4e8e\u6df7\u5408\u5364\u5316\u9499\u949b\u77ff\u6750\u6599APb(I<sub>1-x<\/sub>Br<sub>x<\/sub>)<sub>3<\/sub>\u3002\u4e00\u7cfb\u5217\u7814\u7a76\u8868\u660eBr\u662f\u6709\u673a\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u4e2d\u6d88\u9664\u7f3a\u9677\u6001\u53ef\u80fd\u7684\u949d\u5316\u5a92\u4ecb\uff0c\u4f46Br\u949d\u5316\u7684\u539f\u5b50\u5c3a\u5ea6\u673a\u5236\u8fd8\u4e0d\u6e05\u695a\u3002<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u8fd1\u65e5\uff0c<strong>\u82cf\u5dde\u5927\u5b66\u7684\u5c39\u4e07\u5065\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728<strong>Advanced Materials<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a<strong>\u201cPassivating Detrimental DX Centers in CH<sub>3<\/sub>NH<sub>3<\/sub>PbI<sub>3<\/sub> for Reducing Nonradiative Recombination and Elongating Carrier Lifetime\u201d<\/strong>\u7684\u6587\u7ae0\u3002\u6587\u7ae0\u4e2d\u9610\u660e\u4e86CH<sub>3<\/sub>NH<sub>3<\/sub>PbI<sub>3<\/sub> (MAPbI<sub>3<\/sub>)\u4e2d\u5178\u578b\u6df1\u5c42\u7f3a\u9677\u2014\u2014\u7898\u7a7a\u4f4d(V<sub>I<\/sub>)\u7684\u5f62\u6210\u673a\u5236\u3002V<sub>I<\/sub>\u7684\u7ed3\u6784\u548c\u7535\u5b50\u884c\u4e3a\u66f4\u50cf\u4e00\u4e2aDX\u4e2d\u5fc3\uff0c\u8be5\u7c7b\u7f3a\u9677\u4ea7\u751f\u4f34\u968f\u663e\u8457\u7684\u539f\u5b50\u4f4d\u79fb\uff0c\u4f7f\u5f97\u539f\u672c\u5e94\u4e3a\u6d45\u65bd\u4e3b\u80fd\u7ea7\u7684\u7f3a\u9677\u5b9e\u9645\u8868\u73b0\u4e3a\u6df1\u7684\u53d7\u4e3b\u80fd\u7ea7\u3002\u501f\u52a9\u56db\u9762\u4f53\u534a\u5bfc\u4f53\u4e2dDX\u4e2d\u5fc3\u7684\u949d\u5316\u673a\u5236\uff0c\u53d1\u73b0Br\u7684\u5f15\u5165\u4f7f\u5316\u5b66\u952e\u589e\u5f3a\uff0c\u6291\u5236DX\u4e2d\u5fc3\u7684\u5f62\u6210\u3002\u4f5c\u8005\u4f7f\u7528\u65f6\u57df\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u7ed3\u5408\u7edd\u70ed\u5206\u5b50\u52a8\u529b\u5b66\u7684\u65b9\u6cd5\uff0c\u53d1\u73b0Br\u4fc3\u4f7f\u8f7d\u6d41\u5b50\u5bff\u547d\u75313.2 ns\uff08MAPbI<sub>3<\/sub>\uff09\u63d0\u5347\u523019 ns\uff08CH<sub>3<\/sub>NH<sub>3<\/sub>Pb(I<sub>0.96<\/sub>Br<sub>0.04<\/sub>)<sub>3<\/sub>\uff09\uff0c\u5176\u4e3b\u8981\u6e90\u4e8e\u6d88\u9664\u4e86\u6df1\u7f3a\u9677\u6001\u548c\u964d\u4f4e\u4e86\u7535\u58f0\u8026\u5408\u3002\u8fd9\u7bc7\u5de5\u4f5c\u52a0\u6df1\u4e86\u5bf9\u5c11\u91cfBr\u7684\u52a0\u5165\u5982\u4f55\u63d0\u9ad8MAPbI<sub>3<\/sub>\u7535\u6c60\u6027\u80fd\u548c\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66\u8fc7\u7a0b\u7684\u7406\u89e3,\u540c\u65f6\u4e3a\u9ad8\u6027\u80fd\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u7406\u8bba\u57fa\u7840\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p>\u56fe1\uff1aMAPbI<sub>3<\/sub>\u7684\u7898\u7a7a\u4f4d\u4f5c\u4e3a\u672c\u5f81DX\u4e2d\u5fc3\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-193017\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/1-8.png\" alt=\"\" width=\"600\" height=\"295\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/1-8.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/1-8-300x148.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>(a)\u7898\u7a7a\u4f4d\u7684\u975e\u4e8c\u805a\u4f53(nondimer)\u7ed3\u6784\u7684\u5c40\u57df\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n<p>(b)\u7898\u7a7a\u4f4d\u7684\u4e8c\u805a\u4f53(dimer)\u7ed3\u6784\u7684\u5c40\u57df\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n<p>(c)MAPbI<sub>3<\/sub>\u4e2dDX\u4e2d\u5fc3\u7684\u7f3a\u9677\u80fd\u7ea7\u7684\u5f62\u6210\u673a\u5236\u3002<\/p>\n<p>\u56fe2\uff1a\u7898\u7a7a\u4f4d\u7684\u6676\u4f53\u7ed3\u6784\u548c\u80fd\u5e26\u7ed3\u6784\u8868\u5f81\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-193018\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/2-8.png\" alt=\"\" width=\"600\" height=\"412\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/2-8.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/2-8-300x206.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>(a)MAPbI<sub>3<\/sub>\u4e8c\u805a\u4f53V<sub>I<\/sub><strong><sup>\u2014<\/sup><\/strong>\u7f3a\u9677\u7684\u7a33\u5b9a\u6676\u4f53\u7ed3\u6784\uff1b<\/p>\n<p>(b)MAPb(I<sub>0.96<\/sub>Br<sub>0.04<\/sub>)<sub>3<\/sub>\u975e\u4e8c\u805a\u4f53V<sub>I<\/sub><strong><sup>\u2014<\/sup><\/strong>\u7f3a\u9677\u7684\u7a33\u5b9a\u6676\u4f53\u7ed3\u6784\uff1b<\/p>\n<p>(c)MAPbI<sub>3<\/sub>\u548cMAPb(I<sub>0.96<\/sub>Br<sub>0.04<\/sub>)<sub>3<\/sub>\u7684\u4e8c\u805a\u4f53\u548c\u975e\u4e8c\u805a\u4f53\u7ed3\u6784\u8f6c\u53d8\u80fd\u5792\uff1b<\/p>\n<p>(d,e) \u5206\u522b\u5bf9\u5e94(a)\u548c(b)\u7684\u80fd\u5e26\u7ed3\u6784\uff0c\u5185\u63d2\u56fe\u4e3a\u7f3a\u9677\u6001\u7684\u7535\u8377\u5bc6\u5ea6\u3002<\/p>\n<p>\u56fe3\uff1a\u7535\u5b50-\u7a7a\u7a74\u590d\u5408\u901a\u9053\u548c\u8f7d\u6d41\u5b50\u968f\u65f6\u95f4\u6f14\u5316\u8fc7\u7a0b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-193019\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/3-7.png\" alt=\"\" width=\"600\" height=\"545\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/3-7.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/3-7-300x273.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>(a, c) MAPbI<sub>3<\/sub>\u548cMAPb(I<sub>0.96<\/sub>Br<sub>0.04<\/sub>)<sub>3<\/sub>\u7684V<sub>I<\/sub><strong><sup>\u2014<\/sup><\/strong>\u7f3a\u9677\u7684\u7535\u5b50-\u7a7a\u7a74\u590d\u5408\u901a\u9053\uff1b<\/p>\n<p>(b, d)\u56fe(a)\u548c(c)\u5bf9\u5e94\u7684\u5404\u4e2a\u6001\u7684\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66\u8fc7\u7a0b\u3002<\/p>\n<p>\u56fe4\uff1a\u542b\u6709V<sub>I<\/sub><strong><sup>\u2014<\/sup><\/strong>\u7f3a\u9677\u7684MAPbI<sub>3<\/sub>\u548cMAPb(I<sub>0.96<\/sub>Br<sub>0.04<\/sub>)<sub>3<\/sub>\u7684\u80fd\u9699\u5085\u91cc\u53f6\u53d8\u6362\u8c31\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-193020\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/4-7.png\" alt=\"\" width=\"600\" height=\"414\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/4-7.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/12\/4-7-300x207.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>(a)MAPbI<sub>3<\/sub>\u80fd\u7ea7\u4e4b\u95f4\u80fd\u9699\u7684\u5085\u91cc\u53f6\u53d8\u6362\u5f97\u5230\u7684\u8c31\u5bc6\u5ea6\uff1b<\/p>\n<p>(b)MAPb(I<sub>0.96<\/sub>Br<sub>0.04<\/sub>)<sub>3<\/sub>\u80fd\u7ea7\u4e4b\u95f4\u80fd\u9699\u7684\u5085\u91cc\u53f6\u53d8\u6362\u5f97\u5230\u7684\u8c31\u5bc6\u5ea6\u3002<\/p>\n<p><strong>\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n<p>\u4f5c\u8005\u7ed3\u5408\u7b2c\u4e00\u6027\u539f\u7406\u7f3a\u9677\u8ba1\u7b97\u3001\u65f6\u57df\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u548c\u7edd\u70ed\u5206\u5b50\u52a8\u529b\u5b66\uff0c\u7814\u7a76\u4e86MAPbI<sub>3<\/sub>\u4e2d\u5178\u578b\u6709\u5bb3\u7f3a\u9677\u7898\u7a7a\u4f4d\u7684\u5f62\u6210\u548c\u949d\u5316\u673a\u5236\uff0c\u53ca\u5176\u5bf9\u975e\u8f90\u5c04\u7535\u5b50-\u7a7a\u7a74\u590d\u5408\u8fc7\u7a0b\u7684\u5f71\u54cd\u3002\u4f5c\u8005\u53d1\u73b0\u5728MAPbI<sub>3<\/sub>\u4e2d\uff0c\u7898\u7a7a\u4f4d\u4f5c\u4e3a\u5178\u578b\u7684DX\u4e2d\u5fc3\u4f1a\u5f62\u6210\u8f83\u5927\u7684\u539f\u5b50\u4f4d\u79fb\u3002\u800c\u8fd9\u79cd\u8f83\u5927\u7684\u539f\u5b50\u4f4d\u79fb\u548c\u8f83\u5f3a\u7684\u7535\u58f0\u8026\u5408\u6b63\u662fMAPbI<sub>3<\/sub>\u4e2dDX\u4e2d\u5fc3\u4ea7\u751f\u591a\u91cd\u590d\u6742\u590d\u5408\u901a\u9053\u7684\u539f\u56e0\u3002Br\u7684\u52a0\u5165\u901a\u8fc7\u51cf\u5c11\u80fd\u9699\u6001\u548c\u524a\u5f31\u7535\u58f0\u8026\u5408\u5f3a\u5ea6\uff0c\u4f7f\u5f97\u590d\u5408\u901a\u9053\u51cf\u5c11\u3002\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66\u7684\u5b9e\u65f6\u56fe\u50cf\u663e\u793a\uff0c\u539f\u59cb\u7684MAPbI<sub>3<\/sub>\u7ed3\u6784\u7684\u8f7d\u6d41\u5b50\u5bff\u547d\u5927\u7ea63ns\uff0c\u800c\u5f15\u5165\u5c11\u91cf\u7684Br\u5143\u7d20\u540e\u8f7d\u6d41\u5b50\u5bff\u547d\u5ef6\u957f\u81f310ns\u4ee5\u4e0a\u3002\u8be5\u5de5\u4f5c\u901a\u8fc7\u5bf9MAPbI<sub>3<\/sub>\u8fdb\u884cBr\u63ba\u6742\u9610\u660e\u4e86\u6709\u5bb3\u7f3a\u9677\u7684\u949d\u5316\u673a\u5236\u3002\u8fd9\u79cd\u5316\u5b66\u5206\u6790\u53ef\u4ee5\u4e3a\u8fdb\u4e00\u6b65\u63d0\u9ad8\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u548c\u5176\u4ed6\u592a\u9633\u80fd\u7535\u6c60\u7684\u8f7d\u6d41\u5b50\u5bff\u547d\u548c\u8f6c\u5316\u6548\u7387\u63d0\u4f9b\u6709\u6548\u8def\u5f84\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6587\u732e\u94fe\u63a5\uff1a<a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/full\/10.1002\/adma.201906115\" target=\"_blank\" rel=\"noopener\">Passivating Detrimental DX Centers in CH3NH3PbI3 for Reducing Nonradiative Recombination and Elongating Carrier Lifetime<\/a>\uff08Adv. Mater.,2019,DOI: 10.1002\/adma.201906115\uff09<\/p>\n<p>\u672c\u6587\u7531Isobel\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 \u6709\u673a\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u5236\u5907\u65b9\u6cd5\u7b80\u5355\u3001\u6210\u672c\u4f4e\u3001\u4ee5\u53ca\u5149\u7535\u8f6c\u5316\u6548\u7387\u589e\u957f\u901f\u5ea6\u5feb\uff0c\u88ab\u89c6\u4e3a\u6700\u6709\u6f5c\u529b\u7684\u592a\u9633\u80fd\u7535\u6c60\u5438\u5149\u5c42\u6750\u6599\u4e4b\u4e00\u3002\u6709\u673a\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u4e2d\u4e3b\u5bfc\u7f3a\u9677\u5177\u6709\u7f3a\u9677\u5bb9\u5fcd&#8230;<\/p>\n","protected":false},"author":4765,"featured_media":193018,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[3373,4277,1029],"class_list":["post-193016","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-3373","tag-4277","tag-1029"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/193016"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/4765"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=193016"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/193016\/revisions"}],"predecessor-version":[{"id":193542,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/193016\/revisions\/193542"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/193018"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=193016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=193016"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=193016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}