{"id":60171,"date":"2022-04-01T11:49:25","date_gmt":"2022-04-01T03:49:25","guid":{"rendered":"https:\/\/www.cnledw.com\/?p=60171"},"modified":"2022-04-02T12:04:25","modified_gmt":"2022-04-02T04:04:25","slug":"%e6%88%91%e5%9b%bd%e7%a0%94%e7%a9%b6%e5%9b%a2%e9%98%9f%e5%9c%a8%e8%93%9d%e5%85%89%e9%92%99%e9%92%9b%e7%9f%bfled%e7%ad%89%e6%96%b9%e9%9d%a2%e8%8e%b7%e8%bf%9b%e5%b1%95","status":"publish","type":"post","link":"https:\/\/www.cnledw.com\/info\/newsdetail-60171.html","title":{"rendered":"\u6211\u56fd\u7814\u7a76\u56e2\u961f\u5728\u84dd\u5149\u9499\u949b\u77ffLED\u7b49\u65b9\u9762\u83b7\u8fdb\u5c55"},"content":{"rendered":"

\u8fd1\u65e5\uff0c\u5357\u65b9\u79d1\u6280\u5927\u5b66\u7535\u5b50\u4e0e\u7535\u6c14\u5de5\u7a0b\u7cfb\u526f\u6559\u6388\u738b\u607a\u8bfe\u9898\u7ec4\u5728\u84dd\u5149\u9499\u949b\u77ffLED\u9886\u57df\u548c\u9499\u949b\u77ff\u5355\u6676\u8584\u819c\u751f\u957f\u673a\u5236\u65b9\u9762\u53d6\u5f97\u7814\u7a76\u8fdb\u5c55\uff0c\u76f8\u5173\u6210\u679c\u53d1\u8868\u5728\u5b66\u672f\u671f\u520aACS Energy Letters\u3001Nano-Micro Letters\u548cAdvanced Science\u4e0a\u3002<\/p>\n

\u65b0\u578b\u663e\u793a\u4ea7\u4e1a\u662f\u6211\u56fd\u4e3a\u6570\u4e0d\u591a\u7684\u80fd\u591f\u6539\u53d8\u5168\u7403\u76f8\u5173\u4ea7\u4e1a\u683c\u5c40\u7684\u56fd\u5bb6\u6218\u7565\u6027\u65b0\u5174\u4ea7\u4e1a\u4e4b\u4e00\uff0c\u5177\u6709\u6781\u5f3a\u7684\u4ea7\u4e1a\u5e26\u52a8\u529b\u548c\u8f90\u5c04\u529b\u3002\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\uff08Perovskite Light-Emitting Diode, PeLED\uff09\u662f\u7528\u9499\u949b\u77ff\u6750\u6599\u4f5c\u4e3a\u53d1\u5149\u5c42\u8fdb\u884c\u7535\u5149\u8f6c\u6362\u7684\u5668\u4ef6\u3002\u9499\u949b\u77ff\u5177\u6709\u53d1\u5149\u5cf0\u7a84\u3001\u8272\u57df\u5e7f\u3001\u6ce2\u957f\u6613\u8c03\u3001\u5236\u5907\u65b9\u6cd5\u7075\u6d3b\u517c\u987e\u4f4e\u6210\u672c\u7b49\u7279\u70b9\uff0c\u56e0\u6b64PeLED\u5728\u663e\u793a\u9886\u57df\u6781\u5177\u5e94\u7528\u524d\u666f\uff0c\u800c\u9ad8\u6548\u7387\u84dd\u5149PeLED\u662f\u5176\u6240\u9762\u4e34\u7684\u91cd\u8981\u6311\u6218\u4e4b\u4e00\u3002<\/p>\n

\u5177\u6709\u5927\u6fc0\u5b50\u7ed3\u5408\u80fd\u3001\u7a84\u53d1\u5c04\u7ebf\u5bbd\u7684CsPbBr3\u9499\u949b\u77ff\u7eb3\u7c73\u7247\uff08NPL\uff09\u662f\u5e7f\u8272\u57df\u663e\u793a\u84dd\u5149\uff08460-470nm\uff09\u53d1\u5c04\u5c42\u6781\u5177\u7ade\u4e89\u529b\u7684\u5019\u9009\u8005\uff0c\u4f46\u5176\u7535\u81f4\u53d1\u5149\u6027\u80fd\u53d7\u9650\u4e8e\u8f83\u5dee\u7684\u8f7d\u6d41\u5b50\u4f20\u8f93\u6548\u7387\u3002\u77ed\u94fe\u914d\u4f53\u5c01\u7aef\u7684NPL\u53ef\u4ee5\u6709\u6548\u6539\u5584\u8f7d\u6d41\u5b50\u6ce8\u5165\u80fd\u529b\u3002\u7136\u800c\uff0c\u914d\u4f53\u94fe\u957f\u7684\u51cf\u5c0f\u4f1a\u4f7f\u5f97NPL\u539a\u5ea6\u7cbe\u51c6\u63a7\u5236\u5145\u6ee1\u6311\u6218\uff0c\u4ece\u800c\u96be\u4ee5\u83b7\u5f97\u6240\u9700\u7684\u53d1\u5c04\u6ce2\u957f\u3002<\/p>\n

\u7814\u7a76\u56e2\u961f\u63d0\u51fa”\u5bcc\u94f5\uff08NH4+\uff09”\u914d\u4f53\u5305\u8986\u7b56\u7565\uff0c\u6709\u6548\u63a7\u5236\u4e86\u6676\u4f53\u751f\u957f\u52a8\u529b\u5b66\u5e76\u949d\u5316\u8868\u9762\u7f3a\u9677\uff0c\u5b9e\u73b0\u4e86\u540c\u65f6\u5177\u6709\u8f7d\u6d41\u5b50\u9ad8\u6548\u6ce8\u5165\u548c\u53ef\u63a7\u53d1\u5c04\u7279\u6027\u7684\u77ed\u914d\u4f53\uff08\u4e01\u80fa\u548c\u8089\u8c46\u853b\u9178\uff09\u5c01\u7aef\u7684CsPbBr3 NPL\u3002<\/p>\n

\u540c\u65f6\uff0c\u4f7f\u7528\u77ed\u5171\u8f6d\u914d\u4f53\u82ef\u4e59\u80fa\u6eb4\u8fdb\u884c\u540e\u5904\u7406\u949d\u5316\u7f3a\u9677\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4e86NPL\u7684\u7535\u5b66\u6027\u80fd\u548c\u53d1\u5149\u6548\u7387\uff08\u8584\u819c\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387\u8d85\u8fc780%\uff09\u3002\u6240\u5236\u5907PeLED\u6700\u5927\u5916\u91cf\u5b50\u6548\u7387\u4e3a2%\uff08\u03bb=463nm\uff09\uff0c\u4e3a\u6587\u732e\u6240\u62a5\u9053\u84dd\u5149NPL PeLED\u4e2d\u7684\u6700\u9ad8\u503c\u3002<\/p>\n

\u76f8\u5173\u6210\u679c\u4ee5”Efficient CsPbBr3 Nanoplatelet-Based Blue Light-Emitting Diodes Enabled by Engineered Surface Ligands”\u4e3a\u9898\u53d1\u8868\u5728ACS Energy Letters\u4e0a\uff0c\u5e76\u4f5c\u4e3a\u671f\u520a\u5c01\u9762\u8fdb\u884c\u4e86\u62a5\u9053\u3002\u8bfe\u9898\u7ec4\u8bbf\u95ee\u535a\u58eb\u751f\u738b\u6d69\u7136\u4e3a\u8bba\u6587\u7b2c\u4e00\u4f5c\u8005\uff0c\u738b\u607a\u548c\u54c8\u5de5\u5927\uff08\u6df1\u5733\uff09\u6559\u6388\u8d75\u7ef4\u5dcd\u4e3a\u5171\u540c\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n

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<\/figcaption><\/figure>\n

a\uff09”\u5bccNH4+””\u914d\u4f53\u58f3\u5c42\u7684\u4f5c\u7528\u673a\u7406; b\uff09NPL\u7684TEM\u548cHRTEM\u56fe; c\uff09\u84dd\u5149NPL PeLED\u6027\u80fd\u5bf9\u6bd4<\/p>\n

\u53e6\u4e00\u65b9\u9762\uff0c\u949d\u5316\u9499\u949b\u77ff\u7f3a\u9677\uff0c\u6291\u5236\u975e\u8f90\u5c04\u590d\u5408\u635f\u5931\uff0c\u662f\u63d0\u9ad8PeLED\u6548\u7387\u7684\u91cd\u8981\u9014\u5f84\u3002\u7406\u60f3\u7684\u949d\u5316\u5242\u9664\u4e86\u6ee1\u8db3\u57fa\u672c\u7684\u7f3a\u9677\u949d\u5316\u4f5c\u7528\u5916\uff0c\u8fd8\u5e94\u540c\u65f6\u5177\u5907\u5f3a\u8f7d\u6d41\u5b50\u9650\u57df\u4f5c\u7528\u548c\u5feb\u8f7d\u6d41\u5b50\u4f20\u8f93\u6027\u80fd\uff0c\u4ece\u800c\u80fd\u591f\u5728\u964d\u4f4e\u975e\u8f90\u5c04\u590d\u5408\u7684\u540c\u65f6\u4fc3\u8fdb\u8f7d\u6d41\u5b50\u4f20\u8f93\u5e76\u4ea7\u751f\u9ad8\u6548\u8f90\u5c04\u590d\u5408\u3002\u6709\u673a\u957f\u78b3\u94fe\u949d\u5316\u5206\u5b50\u7531\u4e8e\u4ecb\u7535\u5e38\u6570\u5c0f\uff0c\u5176\u5bf9\u8f7d\u6d41\u5b50\u4ea7\u751f\u7684\u5f3a\u9650\u57df\u4f5c\u7528\u80fd\u591f\u6709\u6548\u63d0\u9ad8\u8f90\u5c04\u590d\u5408\u6548\u7387\u3002\u7136\u800c\u6709\u673a\u957f\u94fe\u4f1a\u4e25\u91cd\u963b\u788d\u8f7d\u6d41\u5b50\u4f20\u8f93\u6027\u80fd\uff0c\u800c\u77ed\u94fe\u5206\u5b50\u7684\u4f5c\u7528\u6070\u597d\u4e0e\u6b64\u76f8\u53cd\u3002<\/p>\n

\u9274\u4e8e\u6b64\uff0c\u7814\u7a76\u56e2\u961f\u91c7\u7528\u6709\u673a\u949d\u5316\u5206\u5b50\uff08TBPO\uff09\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u8f7d\u6d41\u5b50\u9650\u57df\u4f5c\u7528\uff0c\u589e\u52a0\u8f90\u5c04\u590d\u5408\uff0c\u540c\u65f6\u8fd8\u4fc3\u8fdb\u4e86\u7535\u8377\u4f20\u8f93\uff0c\u63d0\u9ad8\u4e86\u7535\u8377\u590d\u5408\u6548\u7387\uff0c\u4ece\u800c\u517c\u987e\u4e86\u8f7d\u6d41\u5b50\u9650\u57df\u4e0e\u4f20\u8f93\u6027\u80fd\u3002\u6700\u7ec8\u5236\u5907\u7684\u84dd\u5149PeLED\u83b7\u5f97\u4e86\u9ad8\u8fbe11.5%\uff08\u03bb=488 nm\uff09\u7684\u5916\u91cf\u5b50\u6548\u7387\uff0c\u8dfb\u8eab\u56fd\u9645\u4e0a\u84dd\u5149PeLED\u6700\u9ad8\u6027\u80fd\u4e4b\u5217\u3002<\/p>\n

\u76f8\u5173\u6210\u679c\u4ee5”High-Performance Blue Quasi-2D Perovskite Light-Emitting Diodes via Balanced Carrier Confinement and Transfer”\u4e3a\u9898\u53d1\u8868\u5728Nano-Micro Letters\u4e0a\u3002\u8bfe\u9898\u7ec4\u8bbf\u95ee\u535a\u58eb\u540e\u4efb\u632f\u4f1f\u4e3a\u8bba\u6587\u7b2c\u4e00\u4f5c\u8005\uff0c\u738b\u607a\u3001\u5357\u79d1\u5927\u7535\u5b50\u4e0e\u7535\u6c14\u5de5\u7a0b\u7cfb\u6559\u6388\u9648\u9510\u548c\u9999\u6e2f\u5927\u5b66\u6559\u6388Wallace C. H. Choy\u4e3a\u5171\u540c\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n

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<\/figcaption><\/figure>\n

a\uff09TBPO\u949d\u5316\u5206\u5b50\u517c\u987e\u7535\u8377\u4f20\u8f93\u4e0e\u9650\u57df\u4f5c\u7528; b\uff09\u84dd\u5149PeLED\u5916\u91cf\u5b50\u6548\u7387-\u7535\u6d41\u5bc6\u5ea6\u66f2\u7ebf
\n\uff08\u63d2\u56fe\uff1a\u5149\u8c31\u8272\u5750\u6807\uff0c\u5668\u4ef6\u5de5\u4f5c\u5149\u8c31\u4fdd\u6301\u7a33\u5b9a\uff09<\/p>\n

\u9499\u949b\u77ff\u5355\u6676\u6750\u6599\u5177\u6709\u65e0\u6676\u754c\u3001\u7f3a\u9677\u6001\u5bc6\u5ea6\u4f4e\u3001\u8f7d\u6d41\u5b50\u5bff\u547d\u957f\u3001\u7a33\u5b9a\u6027\u597d\u7b49\u4f18\u70b9\uff0c\u88ab\u8a89\u4e3a\u6781\u5177\u524d\u666f\u7684\u5149\u7535\u6750\u6599\uff0c\u5728LED\u3001\u6fc0\u5149\u3001\u5149\u7535\u63a2\u6d4b\u3001\u592a\u9633\u80fd\u7535\u6c60\u7b49\u9886\u57df\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\uff0c\u800c\u4f20\u8f93\u5c42\u4e0a\u539f\u4f4d\u751f\u957f\u9ad8\u8d28\u91cf\u9499\u949b\u77ff\u5355\u6676\u8584\u819c\u662f\u5176\u4e2d\u91cd\u8981\u7684\u53d1\u5c55\u8d8b\u52bf\u3002<\/p>\n

\u7814\u7a76\u56e2\u961f\u7cfb\u7edf\u7814\u7a76\u4e86\u5728\u4e0d\u540c\u751f\u957f\u73af\u5883\u4e2d\u9499\u949b\u77ff\u5355\u6676\u8584\u819c\u7279\u6027\uff0c\u7ed3\u5408\u7406\u8bba\u5206\u6790\uff0c\u786e\u5b9a\u4e86\u5f71\u54cd\u9499\u949b\u77ff\u5355\u6676\u8584\u819c\u4f20\u8f93\u5c42\u539f\u4f4d\u751f\u957f\u7684\u8981\u7d20\u548c\u6700\u4f73\u70b9\uff0c\u5373\u524d\u9a71\u4f53\u6eb6\u6db2\u4e0e\u4f20\u8f93\u5c42\u4e4b\u95f4\u7684\u4f4e\u754c\u9762\u80fd\u3001\u6162\u5347\u6e29\u901f\u7387\u548c\u9002\u4e2d\u7684\u524d\u9a71\u4f53\u6eb6\u6db2\u6d53\u5ea6\u3002\u6700\u7ec8\u5236\u5907\u51fa\u7f3a\u9677\u5bc6\u5ea6\u4ec5\u4e3a2.68\u00d71010cm-3\u3001\u9762\u79ef\u539a\u5ea6\u6bd4\u4e3a\u521b\u7eaa\u5f55\u76841.94\u00d7104mm\uff08\u8584\u819c\u539a\u5ea6\u4e3a540nm\uff09\u7684\u9ad8\u8d28\u91cfMAPbBr3\u9499\u949b\u77ff\u5355\u6676\u8584\u819c\u3002<\/p>\n

\u5f97\u76ca\u4e8e\u6b64\uff0c\u8be5\u9499\u949b\u77ff\u5355\u6676\u8584\u819c\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u9ad8\u8fbe141cm2V-1S-1\uff0c\u4e3a\u6587\u732e\u6240\u62a5\u9053MAPbBr3\u9499\u949b\u77ff\u5355\u6676\u8584\u819c\u4e2d\u7684\u6700\u9ad8\u503c\uff0c\u5e76\u5177\u6709\u8d85\u8fc7360\u5929\u7684\u957f\u671f\u6676\u4f53\u7ed3\u6784\u7a33\u5b9a\u6027\u3002\u540c\u65f6\uff0c\u8be5\u5de5\u4f5c\u4e5f\u8bc1\u5b9e\u4e86\u8be5”\u6700\u4f73\u70b9”\u540c\u6837\u9002\u7528\u4e8e\u4f20\u8f93\u5c42\u539f\u4f4d\u751f\u957f\u5176\u4ed6\u9499\u949b\u77ff\u5355\u6676\u8584\u819c\uff0c\u5305\u62ecMAPbI3\u3001(PEA)2PbI4\u548c(PEA)2PbBr4\uff0c\u8bf4\u660e\u8be5\u751f\u957f\u6761\u4ef6\u5177\u6709\u4e00\u5b9a\u7684\u666e\u9002\u6027\u3002<\/p>\n

\u76f8\u5173\u6210\u679c\u4ee5”In Situ Growth Mechanism for High-Quality Hybrid Perovskite Single-Crystal Thin Films with High Area to Thickness Ratio: Looking for the Sweet Spot”\u4e3a\u9898\u53d1\u8868\u5728Advanced Science\u4e0a\u3002<\/p>\n

\u738b\u607a\u8bfe\u9898\u7ec4\u7814\u7a76\u52a9\u7406\u5510\u6653\u51b0\uff08\u73b0\u4e3a\u7f8e\u56fd\u80af\u5854\u57fa\u5927\u5b66\u535a\u58eb\u751f\uff09\u548c\u54c8\u5de5\u5927\u8054\u57f9\u535a\u58eb\u751f\u6c6a\u53ec\u9526\u4e3a\u8bba\u6587\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\uff0c\u738b\u607a\u3001\u6df1\u5733\u6280\u672f\u5927\u5b66\u52a9\u7406\u6559\u6388\uff08\u526f\u7814\u7a76\u5458\uff09\u5434\u4e39\u548c\u7f8e\u56fd\u80af\u5854\u57fa\u5927\u5b66\u6559\u6388\u6768\u798f\u524d\u4e3a\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff0c\u5357\u79d1\u5927\u662f\u8bba\u6587\u7b2c\u4e00\u5355\u4f4d\u3002<\/p>\n

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MAPbBr3\u9499\u949b\u77ff\u5355\u6676\u8584\u819c\u7684\u539f\u4f4d\u751f\u957f\u673a\u5236<\/p>\n

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