{"id":267519,"date":"2025-07-23T08:37:00","date_gmt":"2025-07-23T00:37:00","guid":{"rendered":"\/\/m.iemloyee.com\/?p=267519"},"modified":"2025-07-22T21:55:20","modified_gmt":"2025-07-22T13:55:20","slug":"267519","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=267519","title":{"rendered":"LED\u6210\u679c Nature!!!"},"content":{"rendered":"\n
\u57fa\u4e8e\u65e0\u6bd2\u94dc\u7898\u6742\u5316\u6750\u6599\u7684\u53ef\u6eb6\u6db2\u52a0\u5de5LEDs\uff0c\u51ed\u501f\u5176\u53ef\u8c03\u8c10\u6027\u3001\u9ad8\u5149\u81f4\u53d1\u5149\u6548\u7387\u548c\u73af\u5883\u53ef\u6301\u7eed\u6027\uff0c\u4e3a\u9ad8\u6548\u7a33\u5b9a\u7684\u6df1\u84dd\u8272\u7167\u660e\u63d0\u4f9b\u4e86\u4e00\u79cd\u7406\u60f3\u7684\u89e3\u51b3\u65b9\u6848\u3002\u7f8e\u56fd\u65b0\u6cfd\u897f\u5dde\u7acb\u5927\u5b66\uff08\u7f57\u683c\u65af\u5927\u5b66\uff0cRutgers University\uff09\u674e\u9759\u6559\u6388\u56e2\u961f\u8bbe\u8ba1\u5e76\u5408\u6210\u4e86\u4e00\u79cd\u65b0\u578b\u7684\u3001\u57fa\u4e8e\u65e0\u6bd2\u94dc-\u7898\u6742\u5316\u534a\u5bfc\u4f53<\/strong>\uff08\u5177\u4f53\u4e3a\u00a0Cu\u2084I\u2088(Hdabco)\u2084<\/strong>\u00a0\u6216\u7b80\u79f0\u00a0CuI(Hda)<\/strong>\uff09\u7684\u53d1\u5149\u6750\u6599\u3002\u8be5\u6750\u6599\u672c\u8eab\u5c55\u73b0\u51fa\u4f18\u5f02\u7684\u6027\u80fd\uff1a\u6df1\u84dd\u5149\u53d1\u5c04<\/strong>\uff08449 nm\uff09\uff0c\u63a5\u8fd1\u5b8c\u7f8e\u7684\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387<\/strong>\uff0899.6%\uff09\uff0c\u4ee5\u53ca\u826f\u597d\u7684\u6eb6\u6db2\u52a0\u5de5\u6027\uff08\u5c5e\u4e8e\u9ad8\u6eb6\u89e3\u5ea6\u7684\u201c\u4e00\u4f53\u5316\u201dAIO-type\u7ed3\u6784\uff09\u3002\u7814\u7a76\u4eba\u5458\u5c06\u8be5\u6750\u6599\u8584\u819c\u4f5c\u4e3a\u552f\u4e00\u7684\u6d3b\u6027\u53d1\u5149\u5c42\uff08EML\uff09<\/strong>\uff0c\u7528\u4e8e\u5236\u9020\u6eb6\u6db2\u6cd5\u52a0\u5de5\u7684\u6df1\u84dd\u8272\u53d1\u5149\u4e8c\u6781\u7ba1\uff08LED\uff09\u3002\u4e3a\u4e86\u514b\u670d\u5668\u4ef6\u6027\u80fd\u74f6\u9888\uff08\u4e3b\u8981\u662f\u754c\u9762\u7f3a\u9677\u548c\u7535\u8377\u6ce8\u5165\u4e0d\u5e73\u8861\uff09\uff0c\u56e2\u961f\u5f00\u53d1\u5e76\u5e94\u7528\u4e86\u4e00\u79cd\u521b\u65b0\u7684\u00a0\u201c\u53cc\u754c\u9762\u6c22\u952e\u949d\u5316\u201d\uff08Dual Interfacial H-bond Passivation, DIHP\uff09\u7b56\u7565<\/strong>\u00a0\u6765\u4f18\u5316\u53d1\u5149\u5c42\u4e24\u4fa7\u7684\u754c\u9762\uff08HTL\/EML \u548c EML\/ETL\uff09\u3002\u6700\u7ec8\u5236\u5907\u51fa\u7684\u6df1\u84dd\u8272LED\u5668\u4ef6\u5b9e\u73b0\u4e86\u9ad8\u6027\u80fd<\/strong>\uff08\u9ad8\u6548\u7387\u3001\u9ad8\u4eae\u5ea6\u3001\u957f\u5bff\u547d\uff09\u548c\u5927\u9762\u79ef\u5316<\/strong>\uff084 cm\u00b2\uff09\u7684\u5c55\u793a\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cDual interfacial H-bonding-enhanced deep-blue hybrid copper-iodide LEDs\u201d\u4e3a\u9898\u53d1\u8868\u5728Nature<\/strong><\/em>\u671f\u520a<\/strong>\u4e0a\u3002<\/p>\n\n\n\n \u6838\u5fc3\u521b\u65b0\u70b9<\/p>\n\n\n\n 1.\u65b0\u578b\u9ad8\u6027\u80fd\u6df1\u84dd\u5149\u53d1\u5149\u6750\u6599 \u56fe\u6587\u5bfc\u8bfb<\/p>\n\n\n\n \u56fe1\uff1aCuI(Hda)\u7684\u7ed3\u6784\u8868\u5f81\u548cDFT\u5206\u6790<\/p>\n\n\n\n \u56fe2\uff1aCuI(Hda)\u7684\u5149\u7269\u7406\u7279\u6027\u3002<\/p>\n\n\n\n \u56fe3\uff1a\u539f\u59cb\u6df1\u84dd\u5149LED\u4e0e\u6c22\u952e\u6df1\u84dd\u5149LED\u7684\u6027\u80fd\u548c\u8fd0\u884c\u7a33\u5b9a\u6027\u6bd4\u8f83\u3002<\/p>\n\n\n\n<\/figure>\n\n\n\n
\u6210\u529f\u5f00\u53d1\u4e86\u4e00\u79cd CuI(Hda) \u94dc-\u7898\u6742\u5316\u534a\u5bfc\u4f53\u6750\u6599\uff0c\u5176\u6838\u5fc3\u521b\u65b0\u5728\u4e8e
\u8d85\u9ad8\u6548\u6df1\u84dd\u5149\u53d1\u5c04\uff1a \u5b9e\u73b0\u4e86 99.6% \u7684\u63a5\u8fd1\u5355\u4f4d\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387 (PLQY) \u548c\u4f4d\u4e8e 449 nm \u7684\u6df1\u84dd\u5149\u53d1\u5c04\u3002\u4f18\u5f02\u7684\u6eb6\u6db2\u52a0\u5de5\u6027\uff1a \u901a\u8fc7\u8bbe\u8ba1\u201c\u4e00\u4f53\u5316\u201d\uff08AIO-type\uff09\u7ed3\u6784\uff0c\u89e3\u51b3\u4e86\u4f20\u7edf\u7898\u5316\u94dc\u6742\u5316\u7269\u6eb6\u6db2\u52a0\u5de5\u6027\u5dee\u3001\u96be\u4ee5\u5236\u5907\u9ad8\u8d28\u91cf\u8584\u819c\u7684\u96be\u9898\uff0c\u4f7f\u5176\u9002\u7528\u4e8e\u6eb6\u6db2\u6cd5\u5668\u4ef6\u5236\u9020\u3002
\u73af\u5883\u53cb\u597d\u4e0e\u7a33\u5b9a\u6027\uff1a \u6750\u6599\u672c\u8eab\u5177\u6709\u4f4e\u6bd2\u6027\uff08\u65e0\u94c5\/\u9549\uff09\u3001\u7a7a\u6c14\/\u6e7f\u6c14\u7a33\u5b9a\u6027\u4ee5\u53ca\u73af\u5883\u53ef\u6301\u7eed\u6027\u3002
2.\u521b\u65b0\u7684\u5668\u4ef6\u754c\u9762\u5de5\u7a0b\u7b56\u7565 – \u53cc\u754c\u9762\u6c22\u952e\u949d\u5316 (DIHP)
\u6982\u5ff5\u521b\u65b0\uff1a \u5728\u53d1\u5149\u5c42\uff08EML\uff09\u4e24\u4fa7\u7684\u5f02\u8d28\u7ed3\u754c\u9762\uff08HTL\/EML \u548c EML\/ETL\uff09\u540c\u65f6\u5f15\u5165\u6c22\u952e\u8fdb\u884c\u949d\u5316\u548c\u4f18\u5316\u3002\u7ed3\u6784\u521b\u65b0\uff1a
\u5728 HTL\/EML \u754c\u9762\uff1a\u5f15\u5165\u6c22\u952e\u53d7\u4f53\u81ea\u7ec4\u88c5\u5355\u5206\u5b50\u5c42\uff08Hydrogen-bond-acceptor SAM\uff09\u3002
EML\/ETL \u754c\u9762\uff1a\u5f15\u5165\u8d85\u8584\u805a\u7532\u57fa\u4e19\u70ef\u9178\u7532\u916f\uff08PMMA\uff09\u8986\u76d6\u5c42\uff08\u4f5c\u4e3a\u6c22\u952e\u53d7\u4f53\uff09\u3002
\u529f\u80fd\u521b\u65b0\uff1a
\u534f\u540c\u949d\u5316\uff1a \u8fd9\u79cd\u7ec4\u5408\u7b56\u7565\u6709\u6548\u949d\u5316\u4e86\u4e24\u4e2a\u754c\u9762\u4e0a\u7684\u7f3a\u9677\uff08\u8fd9\u4e9b\u7f3a\u9677\u901a\u5e38\u4f1a\u963b\u788d\u7535\u8377\u4f20\u8f93\u548c\u590d\u5408\uff09\u3002
\u4f18\u5316\u7535\u8377\u6ce8\u5165\uff1a \u663e\u8457\u6539\u5584\u4e86\u7a7a\u7a74\u548c\u7535\u5b50\u5411\u53d1\u5149\u5c42\u7684\u6ce8\u5165\u5e73\u8861\u3002
\u6027\u80fd\u98de\u8dc3\uff1a \u8be5\u7b56\u7565\u5c06\u6df1\u84dd\u8272LED\u7684\u6548\u7387\u663e\u8457\u63d0\u5347\u4e86\u56db\u500d\u3002<\/p>\n\n\n\n<\/figure>\n\n\n\n
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