{"id":52377,"date":"2018-10-12T09:32:26","date_gmt":"2018-10-12T09:32:26","guid":{"rendered":""},"modified":"2018-10-12T09:32:26","modified_gmt":"2018-10-12T09:32:26","slug":"","status":"publish","type":"post","link":"https:\/\/www.cnledw.com\/info\/newsdetail-52377.html","title":{"rendered":"\u9499\u949b\u77ffLED\u5916\u91cf\u5b50\u6548\u7387\u8d8520%\uff0c\u5237\u65b0\u4e16\u754c\u6700\u9ad8\u7eaa\u5f55"},"content":{"rendered":"<p style=\"text-align:justify\">\u8fd1\u65e5\uff0c\u534e\u4fa8\u5927\u5b66\u9b4f\u5c55\u753b\u6559\u6388\u8054\u5408\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u718a\u542f\u534e\u6559\u6388\u548c\u52a0\u62ff\u5927\u591a\u4f26\u591a\u5927\u5b66Edward H. Sargent\u6559\u6388\u5728\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u7814\u7a76\u4e2d\u53d6\u5f97\u91cd\u5927\u7a81\u7834\u3002<\/p>\n<p style=\"text-align:justify\">\u7814\u7a76\u4eba\u5458\u5229\u7528\u9499\u949b\u77ff\u7684\u7ec4\u5206\u5206\u5e03\u8c03\u63a7\u7b56\u7565\u5f97\u5230\u5e73\u6574\u81f4\u5bc6\u4e14\u5149\u7535\u6027\u80fd\u4f18\u5f02\u7684\u9499\u949b\u77ff\u8584\u819c\uff0c\u5e76\u901a\u8fc7\u52a0\u5165\u963b\u6321\u5c42\u6539\u5584\u7535\u5b50\u7a7a\u7a74\u7684\u6ce8\u5165\u5e73\u8861\uff0c\u5f97\u5230\u7684\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u5916\u91cf\u5b50\u6548\u7387\uff08EQE\uff09\u8d85\u8fc720%\uff0c\u5237\u65b0\u4e86\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u4e16\u754c\u6700\u9ad8\u7eaa\u5f55\uff0c\u540c\u65f6\uff0c\u7a33\u5b9a\u6027\u4e5f\u5f97\u5230\u6781\u5927\u5730\u63d0\u5347\uff0c\u8fdc\u8d85\u56fd\u9645\u540c\u884c\u3002<\/p>\n<p style=\"text-align:justify\">\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a&quot;Perovskite Light-Emitting Diodes with External Quantum Efficiency Exceeding 20%&quot;\u53d1\u8868\u5728\u56fd\u9645\u9876\u7ea7\u5b66\u672f\u671f\u520aNature\uff08Dol \uff1a10.1038\/s41586-018-0575-3\uff09\u4e0a\u3002<\/p>\n<p style=\"text-align:justify\"><span style=\"color:#a52a2a\"><strong>\u6210\u679c\u7b80\u4ecb<\/strong><\/span><\/p>\n<p style=\"text-align:justify\">\u9499\u949b\u77ff\u534a\u5bfc\u4f53\u6750\u6599\u5728\u592a\u9633\u80fd\u7535\u6c60\u9886\u57df\u5df2\u7ecf\u53d6\u5f97\u4e86\u5de8\u5927\u7684\u6210\u529f\uff0c\u6709\u673a-\u65e0\u673a\u6742\u5316\u9499\u949b\u77ff\u592a\u9633\u80fd\u7535\u6c60\u7684\u5149\u7535\u8f6c\u6362\u6548\u7387\uff08PCE\uff09\u5df2\u7ecf\u4ece\u6700\u521d\u76843.8%\u5230\u73b0\u572823.3%\u7684\u8ba4\u8bc1\u6548\u7387\u3002\u7531\u4e8e\u9499\u949b\u77ff\u6750\u6599\u5236\u5907\u6210\u672c\u4f4e\uff0c\u53ef\u6eb6\u6db2\u6cd5\u5236\u5907\uff0c\u8367\u5149\u91cf\u5b50\u6548\u7387\u9ad8\uff0c\u8272\u7eaf\u5ea6\u9ad8\u4e14\u989c\u8272\u53ef\u8c03\u7b49\u7279\u6027\uff0c\u9499\u949b\u77ff\u6750\u6599\u5728\u5e73\u9762\u663e\u793a\u548c\u56fa\u4f53<a href=\"http:\/\/lighting.cnledw.com\/\"><font color=#004a73>\u7167\u660e<\/font><\/a>\u9886\u57df\u6781\u5177\u6f5c\u529b\u3002\u81ea2014\u5e74Richard H. Friend\u548cZhi-Kuang Tan\u7b49\u4eba\u9996\u6b21\u62a5\u5bfc\u7684\u80fd\u5728\u5ba4\u6e29\u4e0b\u5de5\u4f5c\u7684\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\uff0c\u4ee5MAPbI3-X\u548cMAPbBr3(MA = CH3NH3+)\u4f5c\u4e3a\u53d1\u5149\u5c42\u7684\u8fd1\u7ea2\u5916\u5149\u548c\u7eff\u5149\u7684\u9499\u949b\u77ff<a href=\"http:\/\/www.ledinside.cn\/\" target=\"_blank\"><a href=\"http:\/\/www.cnledw.com\/\"><font color=#004a73>LED<\/font><\/a><\/a>\u6d4b\u5f97EQE\u5206\u522b\u4e3a0.76%\uff0c0.1%\u3002<\/p>\n<p style=\"text-align:justify\">\u6b64\u540e\uff0c\u9499\u949b\u77ffLED\u4fbf\u5438\u5f15\u4e86\u8d8a\u6765\u8d8a\u591a\u7684\u7814\u7a76\u8005\u6295\u5165\u7814\u7a76\uff0c\u5e76\u53d6\u5f97\u4e86\u4e0d\u65ad\u7684\u7a81\u7834\u3002\u7136\u800c\uff0c\u76ee\u524d\u62a5\u5bfc\u7684\u7eff\u5149\u548c\u7ea2\u5149\u9499\u949b\u77ffLED\u7684\u6700\u9ad8\u5916\u91cf\u5b50\u6548\u7387\uff08EQE\uff09\u5206\u522b\u4e3a14.36%\u548c11.7%\uff0c\u4e14\u9499\u949b\u77ffLED\u5668\u4ef6\u7a33\u5b9a\u6027\u5dee\uff0c\u8fdc\u4f4e\u4e8e\u5df2\u7ecf\u5546\u4e1a\u5316\u7684\u6709\u673a\u53d1\u5149\u4e8c\u6781\u7ba1\uff08OLEDs\uff09\u548c\u65e0\u673a\u91cf\u5b50\u70b9\u53d1\u5149\u4e8c\u6781\u7ba1\uff08QLEDs\uff09\uff08EQE:25%\u4ee5\u4e0a\uff09\u7b49\u3002\u9499\u949b\u77ffLED\u5728\u6548\u7387\u548c\u7a33\u5b9a\u6027\u4e0a\u8fd8\u6709\u5f88\u5927\u7684\u63d0\u5347\u7a7a\u95f4\u3002<\/p>\n<p style=\"text-align:justify\">\u5728\u8be5\u7814\u7a76\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u5229\u7528CsPbBr3\u548cMABr (MA = CH3NH3+)\u5728\u6781\u6027\u6eb6\u5242DMSO\u7684\u6eb6\u89e3\u5ea6\u5dee\u5f02\u8f83\u5927\u8fd9\u4e00\u7279\u70b9\uff0c\u901a\u8fc7\u5728CsPbBr3\u9499\u949b\u77ff\u524d\u9a71\u6db2\u4e2d\u52a0\u5165MABr\u6dfb\u52a0\u5242\uff0c\u5e76\u7cbe\u786e\u8c03\u63a7\u6dfb\u52a0\u5242MABr\u7684\u91cf\uff0c\u6210\u529f\u5b9e\u73b0\u9499\u949b\u77ff\u5c42\u7684\u7ec4\u5206\u5206\u5e03\u8c03\u63a7\uff0c\u5f97\u5230\u4e86\u8868\u9762\u5e73\u6574\u81f4\u5bc6\uff0c\u4e14\u5149\u7535\u6027\u80fd\u4f18\u5f02\u7684\u5177\u6709CsPbBr3@MABr\u58f3\u6838\u7ed3\u6784\u7684\u9499\u949b\u77ff\u8584\u819c\uff0c\u5668\u4ef6EQE\u8d85\u8fc717%\u3002<\/p>\n<p style=\"text-align:justify\">\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u5bf9\u6bd4\u7eaf\u7535\u5b50\u548c\u7eaf\u7a7a\u7a74\u5668\u4ef6\uff0c\u53d1\u73b0\u5668\u4ef6\u4e2d\u7535\u5b50\u548c\u7a7a\u7a74\u6ce8\u5165\u4e0d\u5e73\u8861\uff0c\u8fc7\u91cf\u7684\u7535\u5b50\u6ce8\u5165\u5236\u7ea6\u4e86\u5668\u4ef6\u6027\u80fd\u7684\u8fdb\u4e00\u6b65\u63d0\u5347\uff0c\u5bf9\u6b64\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u5728\u53d1\u5149\u5c42\u548c\u7535\u5b50\u4f20\u8f93\u5c42\u4e4b\u95f4\u5f15\u5165\u805a\u7532\u57fa\u4e19\u70ef\u9178\u7532\u916f(PMMA)\u7edd\u7f18\u6750\u6599\uff0c\u963b\u6321\u4e86\u8fc7\u91cf\u7535\u5b50\u7684\u6ce8\u5165\uff0c\u6539\u5584\u4e86\u5668\u4ef6\u4e2d\u7535\u5b50\u548c\u7a7a\u7a74\u7684\u6ce8\u5165\u5e73\u8861\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4e86\u5668\u4ef6\u7684\u6548\u7387\uff0c\u6700\u7ec8\u5f97\u5230\u4e86EQE\u8d85\u8fc720%\uff0c\u7a33\u5b9a\u6027\u8d85\u8fc7100h\uff08T50\uff1e100h\uff09\u7684\u9499\u949b\u77ffLED\u5668\u4ef6\uff0c\u8fdc\u8d85\u56fd\u9645\u540c\u884c\u3002<\/p>\n<p style=\"text-align:justify\"><span style=\"color:#a52a2a\"><strong>\u56fe\u6587\u7b80\u4ecb<\/strong><\/span><\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"http:\/\/img.cnledw.com\/collection\/20181012093353_01.jpg\" style=\"height:501px; width:632px\" \/><\/p>\n<p style=\"text-align:center\">\u56fe\u4e00 \u4e0d\u540c\u9499\u949b\u77ff\u7684\u5149\u5b66\u8868\u5f81<\/p>\n<p style=\"text-align:justify\">(A)&nbsp; CsPbBr3\u3001MAPbBr3\u3001\u6df7\u5408\u9499\u949b\u77ff1.0\u5728\u65e5\u5149\u706f\u548c\u7d2b\u5916\u706f\u4e0b\u7684\u56fe\u7247;<br \/>\n(B) CsPbBr3\u548c\u4e0d\u540c\u6df7\u5408\u6bd4\u4f8b\u7684\u9499\u949b\u77ff\u7684\u7d2b\u5916\u53ef\u89c1\u5438\u6536\u66f2\u7ebf;<br \/>\n(C) CsPbBr3\u3001MAPbBr3\u3001\u6df7\u5408\u9499\u949b\u77ff1.0\u7684PL\u66f2\u7ebf\uff08\u6fc0\u53d1\u6ce2\u957f400nm,4uw\uff09 (D) CsPbBr3\u3001MAPbBr3\u3001\u6df7\u5408\u9499\u949b\u77ff1.0\u7684\u8367\u5149\u5bff\u547d\u66f2\u7ebf\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/img.ledinside.cn\/led\/2018-10\/1539305703_27648.jpg\" \/><\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/img.ledinside.cn\/led\/2018-10\/1539305708_59524.jpg\" \/><\/p>\n<p style=\"text-align:center\">\u56fe\u4e8c \u7ec4\u5206\u5206\u5e03\u8c03\u63a7\u63d0\u9ad8\u9499\u949b\u77ff\u5c42\u7684PL<\/p>\n<p style=\"text-align:justify\">(A)\u4e0d\u540c\u7ec4\u5206\u5206\u5e03\u793a\u610f\u56fe\uff1a \u5355\u5c42 CsPbBr3\u3001 \u53e0\u5c42CsPbBr3\/MABr \u548cCsPbBr3@MABr\u6838\u58f3\u7ed3\u6784;<br \/>\n(B) \u4e0d\u540c\u9499\u949b\u77ff\u5728\u7d2b\u5916\u706f\u4e0b\u7684PL\u56fe\u7247;<br \/>\n(C) \u4e8c\u6b21\u79bb\u5b50\u8d28\u8c31(SIMS)\u6df1\u5c42\u5206\u6790 CsPbBr3@MABr\u6838\u58f3\u7ed3\u6784;<br \/>\n(D) \u805a\u7126\u79bb\u5b50\u675f\uff08FIB\uff09\u5207\u5272\uff0c\u8868\u9762\u6e85\u5c04C\u4f5c\u4e3a\u4fdd\u62a4\u5c42\u7684CsPbBr3@MABr\u58f3\u6838\u7ed3\u6784TEM\u622a\u9762\u56fe\uff08\u56fe\u4e2d\u767d\u8272\u90e8\u5206\u8868\u660e\u6709MABr\u58f3\u72b6\u7ed3\u6784\u5305\u88f9CsPbBr3\u6676\u7c92\uff09\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/img.ledinside.cn\/led\/2018-10\/1539305712_30534.jpg\" \/><\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/img.ledinside.cn\/led\/2018-10\/1539305716_67019.jpg\" \/><\/p>\n<p style=\"text-align:center\">\u56fe\u4e09 \u9499\u949b\u77ffLED\u5668\u4ef6\u548c\u6027\u80fd\u8868\u5f81<\/p>\n<p style=\"text-align:justify\">(A)\u9499\u949b\u77ffLED\u5668\u4ef6\u7ed3\u6784\u793a\u610f\u56fe \uff0cPEDOT:PSS \u548c B3PYMPM \u5206\u522b\u4f5c\u4e3a\u7a7a\u7a74\u4f20\u8f93\u5c42\uff08HTL\uff09\u548c\u7535\u5b50\u4f20\u8f93\u5c42(ETL);<br \/>\n(B) \u9499\u949b\u77ffLED\u5668\u4ef6\u5de5\u4f5c\u56fe;<br \/>\n(C)CsPbBr3\u3001MAPbBr3\u548c\u6df7\u5408\u9499\u949b\u77ff1.0\u4e3a\u53d1\u5149\u5c42\u7684\u5668\u4ef6\u7684CE-V\u66f2\u7ebf;<br \/>\n(D)CsPbBr3\u548c\u6df7\u548c\u9499\u949b\u77ff1.0\u7684\u7eaf\u7535\u5b50\u7eaf\u7a7a\u7a74\u5668\u4ef6\u7684J-V\u66f2\u7ebf;<br \/>\n(E)\u5668\u4ef6\u7684\u7535\u6d41\u6548\u7387\u5206\u5e03\u7edf\u8ba1\u56fe;<br \/>\n(F) \u6027\u80fd\u6700\u4f73\u7684\u6df7\u5408\u9499\u949b\u77ff1.0\u7684EQE-V\u66f2\u7ebf\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/img.ledinside.cn\/led\/2018-10\/1539305722_91229.jpg\" \/><\/p>\n<p style=\"text-align:center\">\u56fe\u56db \u9499\u949b\u77ff\u5c42\u548c\u7535\u5b50\u4f20\u8f93\u5c42\u4e2d\u63d2\u5165PMMA\u963b\u6321\u5c42\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5668\u4ef6\u6027\u80fd<\/p>\n<p style=\"text-align:justify\">(A) \u9499\u949b\u77ff\u5c42\u548c\u7535\u5b50\u4f20\u8f93\u5c42\u4e2d\u63d2\u5165PMMA\u963b\u6321\u5c42\u7684\u7eaf\u7535\u5b50\u7eaf\u7a7a\u7a74\u5668\u4ef6J-V\u66f2\u7ebf;<br \/>\n(B) \u9499\u949b\u77ff\u5c42\u548c\u7535\u5b50\u4f20\u8f93\u5c42\u4e2d\u63d2\u5165PMMA\u963b\u6321\u5c42\u7684\u5668\u4ef6\u7ed3\u6784\u793a\u610f\u56fe;<br \/>\n(C)\u63d2\u5165PMMA\u963b\u6321\u5c42\u540e\u5668\u4ef6\u7684\u7535\u6d41\u6548\u7387\u5206\u5e03\u7edf\u8ba1\u56fe;\u6027\u80fd\u6700\u4f18\u7684\u9499\u949b\u77ffLED<br \/>\n(D) L-J-V \u66f2\u7ebf\u548c (E) EQE-L \u66f2\u7ebf;<br \/>\n(F) \u9499\u949b\u77ffLED\u5bff\u547d\u6d4b\u8bd5\u66f2\u7ebf\u3002<\/p>\n<p style=\"text-align:justify\"><span style=\"color:#a52a2a\"><strong>\u5c0f\u7ed3<\/strong><\/span><\/p>\n<p style=\"text-align:justify\">\u7814\u7a76\u4eba\u5458\u5229\u7528CsPbBr3\u548cMABr\u5728\u6781\u6027\u6eb6\u5242DMSO\u7684\u6eb6\u89e3\u5ea6\u5dee\u5f02\uff0c\u6210\u529f\u7528\u4e00\u6b65\u6cd5\u65cb\u6d82\u5f97\u5230\u5177\u6709CsPbBr3@MABr\u6838\u58f3\u7ed3\u6784\u7684\u9ad8\u8367\u5149\u91cf\u5b50\u6548\u7387\uff08PLQY\uff09\u7684\u9499\u949b\u77ff\u8584\u819c\u3002\u7814\u7a76\u6307\u51faMABr\u7684\u52a0\u5165\u6709\u52a9\u4e8eCsPbBr3\u7684\u5f62\u6838\u548c\u957f\u5927\uff0c\u5e76\u6709\u6548\u949d\u5316CsPbBr3\u8868\u9762\u7f3a\u9677\uff0c\u964d\u4f4e\u65e0\u8f90\u5c04\u590d\u5408\uff0c\u4e14CsPbBr3\u4e0a\u7684MABr\u80fd\u8d77\u5230\u5e73\u8861\u7535\u8377\u6ce8\u5165\u7684\u6548\u679c\u3002<\/p>\n<p style=\"text-align:justify\">\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u5728\u53d1\u5149\u5c42\u548c\u7535\u5b50\u4f20\u8f93\u5c42\u4e4b\u95f4\u63d2\u5165PMMA\u7edd\u7f18\u6750\u6599\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4e86\u5668\u4ef6\u4e2d\u7684\u7535\u5b50\u7a7a\u7a74\u6ce8\u5165\u5e73\u8861\uff0c\u6700\u7ec8\u5f97\u5230\u7684\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u7ea7\u7ba1EQE\u8fbe\u523020.3%\uff0c\u7a33\u5b9a\u6027\u8d85\u8fc7100\u5c0f\u65f6\uff0c\u4f7f\u9499\u949b\u77ffLED\u7684\u53d1\u5c55\u8fbe\u5230\u4e86\u4e00\u4e2a\u65b0\u7684\u9ad8\u5ea6\u3002<\/p>\n<p style=\"text-align:justify\">&nbsp;<\/p>\n<p style=\"text-align:justify\"><span style=\"font-size:16px\"><strong>\u66f4\u591a<a href=\"http:\/\/www.cnledw.com\/\"><span style=\"color:#004a73\">LED<\/span><\/a>\u76f8\u5173\u8d44\u8baf\uff0c\u8bf7\u70b9\u51fbLED\u7f51\u6216\u5173\u6ce8\u5fae\u4fe1\u516c\u4f17\u8d26\u53f7\uff08cnledw2013\uff09\u3002<\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd1\u65e5\uff0c\u534e\u4fa8\u5927\u5b66\u9b4f\u5c55\u753b\u6559\u6388\u8054\u5408\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u718a\u542f\u534e\u6559\u6388\u548c\u52a0\u62ff\u5927\u591a\u4f26\u591a\u5927\u5b66Edward H. Sargent\u6559 [&hellip;]<\/p>\n","protected":false},"author":105,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"_links":{"self":[{"href":"https:\/\/www.cnledw.com\/wp-json\/wp\/v2\/posts\/52377"}],"collection":[{"href":"https:\/\/www.cnledw.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cnledw.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cnledw.com\/wp-json\/wp\/v2\/users\/105"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cnledw.com\/wp-json\/wp\/v2\/comments?post=52377"}],"version-history":[{"count":0,"href":"https:\/\/www.cnledw.com\/wp-json\/wp\/v2\/posts\/52377\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.cnledw.com\/wp-json\/wp\/v2\/media?parent=52377"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cnledw.com\/wp-json\/wp\/v2\/categories?post=52377"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cnledw.com\/wp-json\/wp\/v2\/tags?post=52377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}