{"id":157698,"date":"2018-10-30T06:30:27","date_gmt":"2018-10-29T22:30:27","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=157698"},"modified":"2018-10-29T21:42:08","modified_gmt":"2018-10-29T13:42:08","slug":"%e5%8d%97%e7%90%86%e5%b7%a5%e5%ae%8b%e7%bb%a7%e4%b8%ad%e6%9b%be%e6%b5%b7%e6%b3%a2am-16-48-%e5%ae%a4%e6%b8%a9%e9%92%99%e9%92%9b%e7%9f%bf%e7%bb%bf%e5%85%89qled%e6%95%88%e7%8e%87%e5%86%8d","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=157698","title":{"rendered":"\u5357\u7406\u5de5\u5b8b\u7ee7\u4e2d&\u66fe\u6d77\u6ce2AM:\u00a016.48%\u2014\u5ba4\u6e29\u9499\u949b\u77ff\u7eff\u5149QLED\u6548\u7387\u518d\u521b\u65b0\u9ad8"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n

\u4f5c\u4e3a\u8fd1\u51e0\u5e74\u53d1\u5149\u663e\u793a\u9886\u57df\u6700\u5177\u7ade\u4e89\u529b\u7684\u6750\u6599\u4e4b\u4e00\uff0c\u9499\u949b\u77ff\u91cf\u5b50\u70b9\uff08QDs\uff09\u5df2\u7136\u6210\u4e3a\u7099\u624b\u53ef\u70ed\u7684\u201c\u660e\u661f\u6750\u6599\u201d\uff0c\u9499\u949b\u77ff\u91cf\u5b50\u70b9\u53d1\u5149\u4e8c\u6781\u7ba1\uff08QLED\uff09\u5728\u77ed\u77ed\u51e0\u5e74\u5185\u5df2\u7ecf\u53d6\u5f97\u4e86\u91cc\u7a0b\u7891\u5f0f\u7684\u53d1\u5c55\uff0c\u5176\u7ea2\u5149QLED\u7684\u5916\u91cf\u5b50\u6548\u7387\uff08EQE\uff09\u76ee\u524d\u5df2\u7ecf\u8fbe\u523020%\uff0c\u4e0e\u4f20\u7edf\u9549\u57faQLED\u7684\u6548\u7387\uff08EQE>20%\uff09\u57fa\u672c\u6301\u5e73\u3002\u7136\u800c\u9499\u949b\u77ff\u7eff\u5149QLED\u7684EQE\u76ee\u524d\u7ea6\u4e3a10%\uff0c\u5728\u6548\u7387\u4e0a\u8fd8\u9700\u5927\u5e45\u63d0\u5347\uff0c\u624d\u80fd\u591f\u514b\u670d\u4ea7\u4e1a\u5316\u7684\u5e94\u7528\u74f6\u9888\u3002\u76f8\u8f83\u4e8e\u9499\u949b\u77ff\u7ea2\u5149QDs\uff0c\u7eff\u5149QDs\u7684\u5e26\u9699\u66f4\u5927\uff0c\u65e0\u7591\u52a0\u5927\u4e86\u8f7d\u6d41\u5b50\u8f93\u8fd0\u8fc7\u7a0b\u4e2d\u7684\u80fd\u91cf\u52bf\u5792\uff0c\u8fd9\u6837\uff0c\u5c31\u8981\u6c42\u5176\u81ea\u8eab\u5177\u6709\u66f4\u9ad8\u7684\u7535\u8f93\u8fd0\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u5177\u6709\u6709\u6548\u8f7d\u6d41\u5b50\u6ce8\u5165\u4e0e\u8f93\u8fd0\u6027\u80fd\uff0c\u517c\u5177\u9ad8\u6548\u53d1\u5149\u7684\u91cf\u5b50\u70b9\u6750\u6599\u662f\u63d0\u9ad8\u9499\u949b\u77ff\u7eff\u5149QLED\u6548\u7387\u4e00\u4e2a\u91cd\u8981\u7684\u9014\u5f84\u3002<\/p>\n

\u5728\u91cf\u5b50\u70b9\u5408\u6210\u8fc7\u7a0b\u4e2d\uff0c\u5f15\u5165\u957f\u70f7\u57fa\u94fe\u6709\u673a\u914d\u4f53\u4e0d\u4ec5\u80fd\u591f\u4fdd\u8bc1\u91cf\u5b50\u70b9\u5f62\u6210\u7a33\u5b9a\u7684\u58a8\u6c34\uff1b\u800c\u4e14\u53ef\u4ee5\u5f88\u597d\u7684\u6d88\u9664\u8868\u9762\u60ac\u6302\u952e\uff0c\u8c03\u63a7\u8868\u9762\u7535\u5b50\u6001\uff0c\u5b9e\u73b0100%\u7684\u53d1\u5149\u6548\u7387\u3002\u4f46\u662f\uff0c\u8fd9\u4e9b\u957f\u94fe\u7684\u6709\u673a\u914d\u4f53\u5728\u91cf\u5b50\u70b9\u8868\u9762\u963b\u6321\u8f7d\u6d41\u5b50\u8f93\u8fd0\uff0c\u964d\u4f4e\u6fc0\u5b50\u590d\u5408\u6548\u7387\uff0c\u8fdb\u800c\u9000\u5316\u5668\u4ef6\u6027\u80fd\u3002\u5728\u4f20\u7edf\u9549\u57faQDs\u9886\u57df\uff0c\u901a\u5e38\u91c7\u7528\u77ed\u94fe\u7684\u914d\u4f53\u8fdb\u884c\u4ea4\u6362\u6765\u5b9e\u73b0QD\u6750\u6599\u7684\u9ad8\u6548\u53d1\u5149\u548c\u6709\u6548\u7535\u8377\u6ce8\u5165\u4e0e\u8f93\u8fd0\u3002\u7136\u800c\u8fd9\u79cd\u914d\u4f53\u4ea4\u6362\u7684\u7b56\u7565\u65e0\u6cd5\u76f4\u63a5\u5957\u7528\u5728\u65b0\u578b\u7684\u9499\u949b\u77ff\u91cf\u5b50\u70b9\u9886\u57df\u3002\u4e3b\u8981\u969c\u788d\u6e90\u4e8e\u9499\u949b\u77ff\u6750\u6599\u5185\u5728\u7684\u79bb\u5b50\u7279\u6027\uff0c\u8fd9\u79cd\u79bb\u5b50\u7279\u6027\u4f7f\u5f97QD\u8868\u9762\u548c\u6709\u673a\u914d\u4f53\u4e4b\u95f4\u9ad8\u5ea6\u52a8\u6001\u952e\u5408\uff0c\u81f4\u4f7fQDs\u6781\u6613\u5728\u6eb6\u5242\u4e2d\u53d7\u5230\u7834\u574f\u3002\u5c3d\u7ba1\uff0c\u6700\u8fd1\u5c11\u91cf\u7684\u62a5\u9053\u8868\u660e\uff0c\u5728\u9499\u949b\u77ffQD\u949d\u5316\u8fc7\u7a0b\u4e2d\uff0c\u91c7\u7528\u94fe\u7a0d\u77ed\u7684\u53cc\u5341\u4e8c\u70f7\u57fa\u4e8c\u7532\u57fa\u6eb4\u5316\u94f5\uff08DDAB\uff09\u80fd\u591f\u6539\u5584\u91cf\u5b50\u70b9\u7684\u7535\u5b66\u6ce8\u5165\u6027\u80fd\uff0c\u4f46\u662f\u5728\u91cf\u5b50\u70b9\u8868\u9762\u4ecd\u6709\u5927\u91cf\u6709\u673a\u914d\u4f53\uff0c\u81f4\u4f7f\u5668\u4ef6\u6027\u80fd\u63d0\u5347\u6548\u679c\u5e76\u4e0d\u663e\u8457\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u6709\u6548\u7684\u9499\u949b\u77ffQDs\u8868\u9762\u949d\u5316\u7b56\u7565\uff0c\u8c03\u63a7QD\u7684\u8868\u9762\u72b6\u6001\uff0c\u8fdb\u800c\u4fdd\u8bc1\u9ad8\u6548\u6fc0\u5b50\u590d\u5408\u548c\u6709\u6548\u8f7d\u6d41\u5b50\u6ce8\u5165\uff0c\u5728\u5b9e\u73b0\u9ad8\u6027\u80fd\u9499\u949b\u77ff\u7eff\u5149QLED\u9886\u57df\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u00a0<\/b><\/strong><\/p>\n

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

\u8fd1\u65e5\uff0c\u5357\u4eac\u7406\u5de5\u5927\u5b66\u5b8b\u7ee7\u4e2d\u6559\u6388\u548c\u66fe\u6d77\u6ce2\u6559\u6388\u56e2\u961f<\/b><\/strong>\u63d0\u51fa\u4e86\u63d0\u5347\u9499\u949b\u77ff\u7eff\u5149QLEDs\u6548\u7387\u7684\u6709\u673a-\u65e0\u673a\u6742\u5316\u914d\u4f53\u949d\u5316\u91cf\u5b50\u70b9\u7684\u666e\u9002\u7b56\u7565\u3002\u8be5\u7b56\u7565\u4e0d\u4ec5\u80fd\u591f\u6709\u6548\u51cf\u5c11QDs\u7684\u8868\u9762\u7f3a\u9677\u4f4d\u70b9\uff0c\u6291\u5236\u975e\u8f90\u5c04\u590d\u5408\uff0c\u4fdd\u8bc1\u9ad8\u6548\u53d1\u5149\u7279\u6027\uff0c\u66f4\u91cd\u8981\u7684\u662f\uff0c\u77ed\u94fe\u65e0\u673a\u914d\u4f53\u7684\u5f15\u5165\u80fd\u591f\u663e\u8457\u6539\u5584\u8f7d\u6d41\u5b50\u6ce8\u5165\u548c\u8f93\u8fd0\u6027\u80fd\uff0c\u8fdb\u800c\u63d0\u5347\u5668\u4ef6\u7684\u590d\u5408\u6548\u7387\u3002\u9996\u5148\uff0c\u5229\u7528\u5ba4\u6e29\u65b9\u6cd5\u5236\u5907\u51fa\u9499\u949b\u77ffQDs\uff0c\u5b9e\u9a8c\u4e2d\u4f7f\u7528\u8f9b\u9178\uff08OTAc\uff09\u548cDDAB\u4f5c\u4e3a\u6709\u673a\u914d\u4f53\u4ee5\u786e\u4fddQDs\u9ad8\u7684\u6cb9\u58a8\u7a33\u5b9a\u6027\uff1b\u8fdb\u800c\uff0c\u5728\u949d\u5316\u8fc7\u7a0b\u4e2d\uff0c\u5f15\u5165\u65e0\u673a\u91d1\u5c5e\u6eb4\u5316\u76d0\uff08ZnBr2<\/sub>\u3001MnBr2<\/sub>\u3001InBr3<\/sub>\u6216GaBr3<\/sub>\u7b49\uff09\u6765\u8c03\u63a7\u5176\u8868\u9762\u6001\uff0c\u5728QD\u8868\u9762\u5f62\u6210\u6709\u673a-\u65e0\u673a\u6742\u5316\u914d\u4f53\uff08OIHL\uff09\uff1bQD\u5c55\u73b0\u51fa\u9ad8\u6548\u7684\u8f90\u5c04\u53d1\u5149\u548c\u6709\u6548\u7684\u8f7d\u6d41\u5b50\u6ce8\u5165\u4e0e\u8f93\u8fd0\u6027\u80fd\uff0c\u5e76\u52a9\u529b\u5168\u65e0\u673a\u9499\u949b\u77ff\u7eff\u5149QLED\u5728\u6027\u80fd\u65b9\u9762\u83b7\u5f97\u91cd\u8981\u8fdb\u5c55\uff0c\u5668\u4ef6\u7684\u5916\u91cf\u5b50\u6548\u7387\u5747\u5b9e\u73b0\u4e86~40%\u7684\u6539\u5584\u3002\u5176\u4e2d\uff0c\u4ee5ZnBr2<\/sub>\u4e3a\u4f8b\uff0c\u6548\u7387\u6700\u9ad8\u8fbe\u5230\u4e8616.48%\uff0c\u76f8\u5e94\u7684\u5185\u91cf\u5b50\u6548\u7387\uff08IQE\uff09\u548c\u53d1\u5149\u6548\u7387\u5206\u522b\u4e3a74.2%\u548c66.7 cd A\u22121<\/sup>\uff0c\u4e3a\u76ee\u524d\u8be5\u4f53\u7cfb\u7eff\u5149QLED\u7684\u6700\u9ad8\u503c\u3002<\/p>\n

\u8be5\u7814\u7a76\u63d0\u51fa\u7684\u9499\u949b\u77ff\u91cf\u5b50\u70b9OIHL\u949d\u5316\u7b56\u7565\u5177\u6709\u666e\u9002\u6027\u548c\u9ad8\u6548\u6027\uff0c\u5c06\u63a8\u52a8\u9499\u949b\u77ffQLED\u5728\u53d1\u5149\u3001\u663e\u793a\u9886\u57df\u8fc8\u5411\u5de5\u4e1a\u5316\u3002\u4e0a\u8ff0\u7ed3\u679c\u4ee5\u201cOrganic-Inorganic Hybrid Passivation Enables Perovskite QLEDs with an EQE of 16.48%<\/b><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u4e8eAdv<\/b><\/strong>.<\/b><\/strong>\u00a0Mater.<\/b><\/strong>\u3002<\/b><\/strong>\u5176\u4e2d\u5b8b\u7ee7\u4e2d<\/b><\/strong>\u4e3a\u7b2c\u4e00\u4e0e\u901a\u8baf\u4f5c\u8005\uff0c\u66fe\u6d77\u6ce2<\/b><\/strong>\u4e3a\u5171\u540c\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n

\u56fe1 \u00a0<\/b><\/strong>\u901a\u8fc7<\/b><\/strong>OIHL\u7b56\u7565<\/b><\/strong>\u5f15\u5165<\/b><\/strong>\u65e0\u673aZnBr<\/b><\/strong>2<\/b><\/sub><\/strong>\u524d\u540e<\/b><\/strong>\u7684<\/b><\/strong>\u9499\u949b\u77ffQD<\/b><\/strong>s<\/b><\/strong><\/p>\n

\u00a0\"\"<\/b><\/strong><\/p>\n

(a) QD\u7684OIHL\u949d\u5316\u793a\u610f\u56fe\uff1b<\/p>\n

(b) QDs\u7684FTIR\u5149\u8c31\uff1b<\/p>\n

(c, d) \u7edf\u8ba1O\/Pb\u548cN\/Pb\u539f\u5b50\u6bd4\uff0c\u7531XPS\u6570\u636e\u8ba1\u7b97\u6240\u5f97\uff1b<\/p>\n

(e) QDs\u7684\u9ad8\u5206\u8fa8XPS\u8c31\uff1b<\/p>\n

(f) QDs\u7684Pb 4f XPS\u8c31\uff0c\u5149\u8c31\u4f7f\u7528C 1s\u5cf0\u6821\u51c6\uff1b<\/p>\n

(g) QDs\u7684\u7edf\u8ba1Br\/Pb\u539f\u5b50\u6bd4\u3002<\/p>\n

\u56fe1a\u4e3a\u901a\u8fc7OIHL\u949d\u5316\u7b56\u7565\u63a7\u5236\u9499\u949b\u77ffQDs\u8868\u9762\u914d\u4f53\u7684\u793a\u610f\u56fe\u3002QDs\u8868\u9762\u7684OTAc\u548cDDAB\u957f\u94fe\u6709\u673a\u914d\u4f53\u88ab\u65e0\u673a\u91d1\u5c5e\u6eb4\u5316\u7269\u90e8\u5206\u66ff\u4ee3\uff0c\u4ece\u800c\u5f62\u6210\u6709\u673a-\u65e0\u673a\u53cc\u91cd\u6742\u5316\u914d\u4f53\u3002\u4ee5ZnBr2<\/sub>\u4e3a\u4f8b\uff0c\u56fe1b\u663e\u793a\u4e86\u949d\u5316\u524d\u540eQDs\u7684FTIR\u5149\u8c31\uff0cC-H\u7684\u4f38\u7f29\u632f\u52a8\uff082700\u20133000 cm\u22121<\/sup>\uff09\u5728\u5f15\u5165\u65e0\u673aZnBr2<\/sub>\u540e\u88ab\u660e\u663e\u524a\u5f31\uff0c\u8868\u660e\u6709\u673a\u957f\u94fe\u914d\u4f53\u90e8\u5206\u88abZnBr2<\/sub>\u53d6\u4ee3\u3002QDs\u949d\u5316\u524d\u540e\u7684O\u542b\u91cf\u548cN\u542b\u91cf\u5982\u56fe1c\u548c1d\u6240\u793a\uff0c\u6025\u5267\u4e0b\u964d\u7684O\u542b\u91cf\u8bf4\u660e\u6709\u673a\u914d\u4f53OTAc\u5728\u5f88\u5927\u7a0b\u5ea6\u5df2\u88ab\u53d6\u4ee3\uff0c\u540c\u6837\u7684N\u542b\u91cf\u7684\u4e0b\u964d\u4e5f\u9884\u793a\u7740DDAB\u88ab\u90e8\u5206\u53d6\u4ee3\u3002\u4e3a\u4e86\u5206\u6790\u949d\u5316\u524d\u540eQDs\u8868\u9762\u7684\u914d\u4f53\u53d8\u5316\uff0c\u5bf9QDs\u8fdb\u884c\u8868\u9762Pb\u00a04f XPS\uff08\u56fe1f\uff09\u548c\u9ad8\u5206\u8fa8XPS\uff08\u56fe1e\uff09\u5149\u8c31\u5206\u6790\uff0c\u9ad8\u5206\u8fa8XPS\u8c31\u63ed\u793a\u4e86\u949d\u5316\u540eZn\u5143\u7d20\u7684\u51fa\u73b0\u3002<\/p>\n

\u56fe2 \u00a0\u901a\u8fc7OIHL\u7b56\u7565\u5f15\u5165\u65e0\u673aZnBr<\/b><\/strong>2<\/b><\/sub><\/strong>\u524d\u540eQDs\u5fae\u7ed3\u6784\u7684\u6f14\u53d8<\/b><\/strong><\/p>\n

\u00a0\"\"<\/b><\/strong><\/p>\n

(a, b) QDs\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

(c) QD\u58a8\u6c34\u7684\u7a33\u5b9a\u6027\uff1b<\/p>\n

(d, e)\u00a0QD\u8584\u819c\u7684AFM\u56fe\u50cf\u3002<\/p>\n

\u949d\u5316\u524d\u540eQDs\u7684TEM\u56fe\u50cf\u5982\u56fe2a\u548c2b\u6240\u793a\u3002\u56fe2c\u4e3aQDs\u58a8\u6c34\u7167\u7247\uff0c\u8868\u73b0\u51fa\u826f\u597d\u7684\u58a8\u6c34\u5206\u6563\u6027\u3002QDs\u8584\u819c\u81f4\u5bc6\u5747\u5300\uff08AFM\u56fe\u50cf\uff0c\u56fe2d\u548c2e\uff09\uff0c\u8bf4\u660eOIHL\u949d\u5316\u5e76\u6ca1\u6709\u9000\u5316QD\u8584\u819c\u7684\u5e73\u6574\u5ea6\uff0c\u8fd9\u79cd\u5747\u5300\u81f4\u5bc6\u7684\u8584\u819c\u5bf9\u4e8e\u9ad8\u6027\u80fd\u5149\u7535\u5668\u4ef6\u7684\u6784\u7b51\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002<\/p>\n

\u56fe3\u00a0\u00a0\u901a\u8fc7OIHL\u7b56\u7565\u5f15\u5165\u65e0\u673aZnBr<\/b><\/strong>2<\/b><\/sub><\/strong>\u524d\u540eQD\u7684\u8f90\u5c04\u590d\u5408<\/b><\/strong><\/p>\n

\u00a0\"\"<\/b><\/strong><\/p>\n

(a) \u5de6\u4fa7\u662f\u5728\u7d2b\u5916\u706f\u4e0b\u7684QD\u8584\u819c\u7167\u7247\uff0c\u53f3\u4fa7\u662f\u76f8\u5e94\u7684PL\u5149\u8c31\uff1b<\/p>\n

(b) \u572890\u00a0o<\/sup>C\u4e0b\u5904\u74065\u5206\u949f\u524d\u540eQD\u8584\u819c\u7684PLQY\uff1b<\/p>\n

(c) QD\u8584\u819cPL\u7684\u70ed\u5faa\u73af\u6d4b\u8bd5\uff1b<\/p>\n

(d) QD\u8584\u819c\u7684PL\u8870\u51cf\u66f2\u7ebf\uff1b<\/p>\n

(e) \u5728\u76f8\u540c\u6761\u4ef6\u4e0b\u6d4b\u91cf\u7684TA\u5bf9\u6bd4\u8c31\u56fe\uff1b<\/p>\n

(f) \u6fc0\u53d1\u80fd\u91cf\u5bc6\u5ea6\u4e3a5 \u03bcJcm-2<\/sup>\u7684\u77ac\u6001TA\u5149\u8c31\u5bf9\u6bd4\uff1b<\/p>\n

(g) QDs\u8f90\u5c04\u548c\u975e\u8f90\u5c04\u590d\u5408\u7684\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe3\u5c55\u793a\u4e86QDs\u8584\u819c\u5728ZnBr2<\/sub>\u949d\u5316\u524d\u540e\u53d1\u5c04\u7279\u6027\u7684\u53d8\u5316\u60c5\u51b5\u3002\u5982\u56fe3a\u6240\u793a\uff0c\u949d\u5316\u540e\u7684\u8584\u819c\u5c55\u793a\u51fa\u4e86\u66f4\u5f3a\u70c8\u7684\u7eff\u8272\u8367\u5149\uff0c\u8868\u660e\u949d\u5316\u540e\u7684\u91cf\u5b50\u70b9\u5177\u6709\u66f4\u591a\u7684\u7535\u5b50\u7a7a\u7a74\u5bf9\u590d\u5408\uff0c\u8fd9\u610f\u5473\u7740\u5728\u91cf\u5b50\u70b9\u8584\u819c\u4e2d\u5177\u6709\u66f4\u591a\u6fc0\u5b50\u4ea7\u751f\u3002\u5f15\u5165ZnBr2<\/sub>\u524d\u540eQDs\u8584\u819c\u7684PLQY\u5206\u522b\u4e3a58%\u548c79%\uff08\u56fe3b\uff09\uff0c\u949d\u5316\u540e\u660e\u663e\u6539\u5584\u7684PLQY\u610f\u5473\u7740\u53d1\u5149\u6027\u80fd\u7684\u63d0\u9ad8\uff0c\u8bf4\u660e\u65e0\u673aZnBr2<\/sub>\u7684\u5f15\u5165\u53ef\u4ee5\u51cf\u5c11\u91cf\u5b50\u70b9\u7684\u8868\u9762\u7f3a\u9677\uff0c\u5e76\u589e\u52a0\u8f90\u5c04\u590d\u5408\u3002\u4e3a\u4e86\u9a8c\u8bc1\u8fd9\u79cd\u6709\u673a-\u65e0\u673a\u6742\u5316\u949d\u5316\u7b56\u7565\u7684\u70ed\u7a33\u5b9a\u6027\uff0c\u6d4b\u8bd5\u4e86QDs\u8584\u819c\u7ecf\u8fc790\u00a0\u00b0C\u5904\u74065\u00a0min\u540e\u7684PLQY\uff0c\u7ed3\u679c\u53d1\u73b0\u949d\u5316\u540e\u7684\u8584\u819cPLQY\u7ecf\u8fc7\u70ed\u5904\u7406\u540e\u80fd\u591f\u4fdd\u7559\u8fd197%\uff0c\u800c\u521d\u59cb\u8584\u819c\u7684PLQY\u5219\u4e0b\u964d\u4e8620%\u3002\u56fe3c\u663e\u793a\u4e86QD\u8584\u819c\u7684\u70ed\u5faa\u73af\u6d4b\u8bd5\u7ed3\u679c\uff0c\u65e0\u673aZnBr2<\/sub>\u949d\u5316\u540e\u7684\u6837\u54c1\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u53ef\u9006\u6027\u3002\u8fd9\u4e9b\u7ed3\u679c\u8bf4\u660e\u65e0\u673a\u91d1\u5c5e\u6eb4\u5316\u76d0\u7684\u5f15\u5165\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u9499\u949b\u77ffQD\u8584\u819c\u7684\u70ed\u7a33\u5b9a\u6027\u3002\u949d\u5316\u540ePL\u5bff\u547d\u7684\u589e\u52a0\u63ed\u793a\u4e86QD\u53d1\u5149\u5c42\u4e2d\u975e\u8f90\u5c04\u590d\u5408\u7684\u51cf\u5c11\u3002\u77ac\u6001\u5438\u6536\uff08TA\uff09\u6d4b\u8bd5\u8fdb\u4e00\u6b65\u7814\u7a76QD\u7684\u8f7d\u6d41\u5b50\u548c\u6fc0\u5b50\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u5982\u56fe3e\u6240\u793a\uff0c\u949d\u5316QDs\u7684\u6f02\u767d\u5f3a\u5ea6\u8fdc\u5927\u4e8eQDs\uff0c\u8bf4\u660e\u6fc0\u5b50\u66f4\u5bb9\u6613\u8fc7\u6e21\u5230\u4ef7\u5e26\uff0c\u4e0d\u6613\u88ab\u8868\u9762\u7f3a\u9677\u6355\u83b7\u3002\u56fe3f\u6bd4\u8f83\u4e86\u949d\u5316\u524d\u540eQD\u8584\u819c\u7684\u77ac\u6001\u52a8\u529b\u5b66\u3002\u5f53\u91cf\u5b50\u70b9\u88abOIHL\u949d\u5316\u540e\uff0c\u52a8\u529b\u5b66\u590d\u5408\u8868\u73b0\u51fa\u8f83\u6162\u7684\u5ef6\u8fdf\uff0c\u8868\u660e\u6fc0\u5b50\u5177\u6709\u66f4\u591a\u7684\u79fb\u52a8\u6027\u548c\u66f4\u6709\u6548\u7684\u7535\u8377\u5206\u79bb\uff0c\u8bf4\u660e\u949d\u5316\u540e\uff0cQDs\u7684\u975e\u8f90\u5c04\u590d\u5408\u53d7\u5230\u6291\u5236\u3002\u603b\u4e4b\uff0c\u901a\u8fc7OIHL\u7b56\u7565\u80fd\u591f\u663e\u8457\u589e\u5f3aQDs\u7684\u53d1\u5c04\u7279\u6027\uff0c\u9610\u8ff0\u5982\u56fe3g\u6240\u793a\u3002<\/p>\n

\u56fe4\u00a0\u00a0\u901a\u8fc7OIHL\u7b56\u7565\u5f15\u5165\u65e0\u673aZnBr<\/b><\/strong>2<\/b><\/sub><\/strong>\u524d\u540e\u7684QD\u8584\u819c\u7684\u7535\u5b66\u6027\u80fd<\/b><\/strong><\/p>\n

\"\"<\/p>\n

(a-c)\u00a0\u5355\u7535\u5b50\u3001\u5355\u7a7a\u7a74\u548cQLED\u5668\u4ef6\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

(d-f) \u5355\u7535\u5b50\u3001\u5355\u7a7a\u7a74\u548cQLED\u5668\u4ef6\u7684\u7535\u538b~\u7535\u6d41\u5bc6\u5ea6\u66f2\u7ebf\uff0c\u8868\u660e\u4e86\u76f8\u5e94\u7684\u7535\u8f93\u8fd0\u7279\u6027\u3002<\/p>\n

\u56fe4\u5c55\u793a\u4e86\u901a\u8fc7OIHL\u7b56\u7565\u949d\u5316\u7684QD\u8584\u819c\u7684\u7535\u5b66\u7279\u6027\uff0c\u8fd9\u5bf9\u4e8e\u9ad8\u6548QLEDs\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u4ece\u56fed\u3001e\u3001f\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0cOIHL\u7b56\u7565\u53ef\u4ee5\u6709\u6548\u5730\u6539\u5584\u8f7d\u6d41\u5b50\u6ce8\u5165\u548c\u8fd0\u8f93\u6027\u80fd\u3002<\/p>\n

\u56fe5 \u00a0\u57fa\u4e8eOIHL\u7b56\u7565\u7684\u9ad8\u6027\u80fdQLEDs<\/b><\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5de6\u4fa7\u662fQLED\u5668\u4ef6\u7684\u793a\u610f\u56fe\uff0c\u53f3\u4fa7\u662f\u5668\u4ef6\u622a\u9762TEM\u56fe\u50cf\uff1b<\/p>\n

(b) \u5668\u4ef6\u7684\u4eae\u5ea6~\u7535\u6d41\u5bc6\u5ea6\u7684\u66f2\u7ebf\uff1b<\/p>\n

(c-e)\u00a0\u5668\u4ef6\u7684\u7535\u6d41\u6548\u7387\u3001\u529f\u7387\u6548\u7387\u548cEQE~\u4eae\u5ea6\u7684\u66f2\u7ebf\u3002<\/p>\n

\u56fe5\u5c55\u793a\u4e86\u9499\u949b\u77ffQLEDs\u7684\u5668\u4ef6\u6027\u80fd\uff0c\u8be5\u5668\u4ef6\u7ed3\u6784\uff08\u56fe5a\uff09\u7531\u591a\u5c42\u819c\u7ec4\u6210\u3002\u4ece\u8f7d\u6d41\u5b50\u6ce8\u5165\u548c\u4eae\u5ea6\u7684\u66f2\u7ebf\u4e0a\u53ef\u4ee5\u770b\u51fa\uff0cOIHL\u949d\u5316\u7684QDs\uff0c\u5728\u76f8\u540c\u7684\u8f7d\u6d41\u5b50\u6ce8\u5165\u65f6\uff0c\u5177\u6709\u66f4\u9ad8\u7684\u4eae\u5ea6\uff0c\u8868\u660eOIHL\u949d\u5316\u540e\u7684QDs\u5668\u4ef6\u5177\u6709\u8f83\u9ad8\u7684\u5149\u7535\u8f6c\u6362\u6548\u7387\u3002\u5176\u5668\u4ef6\u76f8\u5e94\u7684\u7535\u6d41\u6548\u7387\u3001EQE\u3001\u529f\u7387\u6548\u7387\u7684\u5cf0\u503c\u5206\u522b\u4e3a66.7cd A-1<\/sup>\u300116.48%\u300165.9lm W-1<\/sup>\u3002\u8fd9\u662f\u8fc4\u4eca\u4e3a\u6b62\u62a5\u9053\u7684\u57fa\u4e8e\u9499\u949b\u77ff\u7eff\u5149QLED\u7684\u6700\u9ad8\u8bb0\u5f55\u3002<\/p>\n

\u56fe6 \u00a0OIHL\u949d\u5316<\/b><\/strong>\u7b56\u7565<\/b><\/strong>\u666e\u9002\u6027\u5c55\u793a<\/b><\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5404\u79cd\u91d1\u5c5e\u6eb4\u5316\u7269\u949d\u5316QDs\u7684FTIR\u5149\u8c31\uff1b<\/p>\n

(b)\u00a0\u4e0d\u540c\u91d1\u5c5e\u6eb4\u5316\u7269\u949d\u5316QDs\u8584\u819c\u7684PLQY\uff1b<\/p>\n

(c) 5.6 V\u65f6\uff0c\u4e0d\u540c\u91d1\u5c5e\u6eb4\u5316\u7269QDs\u8584\u819c\u7684\u7535\u8f93\u8fd0\u7279\u6027\uff1b<\/p>\n

(d) \u57fa\u4e8e\u5404\u79cd\u91d1\u5c5e\u6eb4\u5316\u7269\u949d\u5316\u7684QDs\u5668\u4ef6\u7684\u4eae\u5ea6~\u7535\u6d41\u5bc6\u5ea6\u66f2\u7ebf\uff1b<\/p>\n

(e, f)\u00a040\u4e2a\u5668\u4ef6\u7684\u5cf0\u503c\u53d1\u5149\u6548\u7387\u548cEQE\u76f4\u65b9\u5206\u5e03\u56fe\u3002<\/p>\n

\u56fe6\u5c55\u793a\u4e86\u666e\u9002\u6027\u7684OIHL\u949d\u5316\u7b56\u7565\u9002\u7528\u4e8e\u5176\u4ed6\u91d1\u5c5e\u6eb4\u5316\u7269\u65e0\u673a\u914d\u4f53\uff08MnBr2<\/sub>\u3001GaBr3<\/sub>\u3001InBr3<\/sub>\uff09\uff08\u56fe6\uff09\u3002\u56fe6a\u4e2d\u5728\u5f15\u5165\u8fd9\u4e9b\u91d1\u5c5e\u6eb4\u5316\u7269\u540e\u4f4d\u4e8e2700 \u2013 3000 cm\u2212<\/sup>1<\/sup>\u7684\u7ea2\u5916\u7279\u5f81\u5cf0\u88ab\u524a\u5f31\uff0c\u8868\u793a\u957f\u70c3\u94fe\u6709\u673a\u914d\u4f53\u88ab\u90e8\u5206\u66ff\u4ee3\u3002\u65e0\u673a\u914d\u4f53\u949d\u5316\u540e\uff0cQD\u8584\u819c\u5c55\u73b0\u51fa\u6539\u5584\u7684\u8f90\u5c04\u6027\u80fd\uff08\u56fe6b\uff09\u548c\u4f18\u5f02\u7684\u7535\u6027\u80fd\uff08\u56fe6c\uff09\u3002\u4e0e\u4e4b\u5bf9\u5e94\u7684\u662f\uff0c\u5728\u76f8\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0cQDs\u949d\u5316\u540e\uff0c\u76f8\u5e94\u7684\u5668\u4ef6\u5177\u6709\u66f4\u9ad8\u7684\u4eae\u5ea6\uff08\u56fe6d\uff09\uff0c\u66f4\u9ad8\u7684\u7535\u5149\u8f6c\u6362\u6548\u7387\uff08\u56fe6d\uff0ce\uff09\u3002\u540c\u65f6\uff0c\u5668\u4ef6\u8fd8\u5c55\u73b0\u51fa\u9ad8\u7684\u53ef\u91cd\u590d\u6027\uff0c\u5668\u4ef6\u7684\u6027\u80fd\u63d0\u9ad8\u4e86\u7ea640%\u3002\u8fd9\u4e9b\u7ed3\u679c\u8868\u660e\uff0c\u57fa\u4e8e\u91d1\u5c5e\u6eb4\u5316\u7269\u7684OIHL\u949d\u5316\u7b56\u7565\u4e3a\u63d0\u9ad8\u9499\u949b\u77ffQLEDs\u6027\u80fd\u63d0\u4f9b\u4e86\u4e00\u79cd\u5b9e\u7528\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/b><\/strong><\/p>\n

\u7814\u7a76\u4eba\u5458\u63d0\u51fa\u4e86\u63d0\u5347\u9499\u949b\u77ff\u7eff\u5149QLED\u6548\u7387\u7684\u6709\u673a-\u65e0\u673a\u6742\u5316\u914d\u4f53\u949d\u5316\u91cf\u5b50\u70b9\u7684\u666e\u9002\u7b56\u7565\u3002\u8be5\u7b56\u7565\u80fd\u591f\u6709\u6548\u51cf\u5c11QD\u7684\u8868\u9762\u7f3a\u9677\u4f4d\u70b9\uff0c\u6291\u5236\u975e\u8f90\u5c04\u590d\u5408\uff0c\u4fdd\u8bc1\u9ad8\u6548\u53d1\u5149\u7279\u6027\uff1b\u540c\u65f6\uff0c\u65e0\u673a\u91d1\u5c5e\u914d\u4f53\u7684\u5f15\u5165\u8fd8\u80fd\u80fd\u591f\u663e\u8457\u6539\u5584\u8f7d\u6d41\u5b50\u6ce8\u5165\u548c\u7535\u8f93\u8fd0\u6027\u80fd\uff0c\u6700\u7ec8\u52a9\u529b\u5668\u4ef6\u6548\u7387\u5b9e\u73b0\u4e86~40%\u63d0\u9ad8\u3002\u5176\u4e2d\uff0cZnBr2<\/sub>\u914d\u4f53\u7684\u5f15\u5165\u4f7f\u5f97\u9499\u949b\u77ffQLED\u5668\u4ef6\u5c55\u73b0\u51fa\u4e8616.48%\u7684EQE\uff0c\u4e3a\u76ee\u524d\u8be5\u4f53\u7cfb\u7eff\u5149QLED\u7684\u6700\u9ad8\u503c\u3002\u4e0a\u8ff0\u7ed3\u679c\u8868\u660e\u9499\u949b\u77ffQDs\u7684OIHL\u949d\u5316\u7b56\u7565\u5177\u6709\u666e\u9002\u6027\u548c\u9ad8\u6548\u6027\uff0c\u5c06\u63a8\u52a8\u9499\u949b\u77ff\u91cf\u5b50\u70b9\u5728\u53d1\u5149\u663e\u793a\u9886\u57df\u8fdb\u4e00\u6b65\u8fc8\u5411\u5de5\u4e1a\u5316\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/b><\/strong>\uff1a<\/b><\/strong>Organic-Inorganic Hybrid Passivation Enables Perovskite QLEDs with <\/b><\/strong>an<\/b><\/strong>\u00a0EQE of 16.48%<\/b><\/strong>\uff08Adv. Mater., <\/i><\/b><\/em><\/strong>2018, DOI: 10.1002\/adma.201805409\uff09<\/p>\n

\u3010\u901a\u8baf\u4f5c\u8005\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n

\u66fe\u6d77\u6ce2<\/b><\/strong>\uff0c\u56fd\u5bb6\u6770\u51fa\u9752\u5e74\u57fa\u91d1\u83b7\u5f97\u8005\uff0c\u56fd\u5bb6\u201c\u4e07\u4eba\u8ba1\u5212\u201d\u9886\u519b\u4eba\u624d\uff0c\u79d1\u777f\u552f\u5b89(ClarivateAnalytics)\u5168\u7403\u9ad8\u88ab\u5f15\u79d1\u5b66\u5bb6\uff0c\u65b0\u578b\u663e\u793a\u6750\u6599\u4e0e\u5668\u4ef6\u5de5\u4fe1\u90e8\u91cd\u70b9\u5b9e\u9a8c\u5ba4\u3001\u5357\u4eac\u7406\u5de5\u5927\u5b66\u5149\u7535\u6750\u6599\u4e0e\u5668\u4ef6\u7814\u7a76\u6240\u521b\u59cb\u4eba\u3002\u73b0\u4efbMaterials Research Letters\u3001Science Bulletin\u3001Nano Future\u3001Nanotechnology\u3001Current Applied Physics\u7b49\u671f\u520a\u7f16\u59d4\u3002\u957f\u671f\u4ece\u4e8b\u4f4e\u7ef4\u53d1\u5149\u6750\u6599\u4e0e\u5149\u7535\u663e\u793a\u6280\u672f\u7814\u7a76\uff0c\u5305\u62ec\u65b0\u578b\u534a\u5bfc\u4f53\u7406\u8bba\u8bbe\u8ba1\uff0c\u4ee5\u53ca\u91cf\u5b50\u70b9\u65b0\u4f53\u7cfb\u5408\u6210\u3001\u53d1\u5149\u673a\u7406\u3001\u53d1\u5149\u5668\u4ef6\u3001\u663e\u793a\u5e94\u7528\u7b49\uff0c\u83b7\u5f97\u4e86\u4e2d\u56fd\u7167\u660e\u5b66\u4f1a\u201c\u4e2d\u56fdLED\u9996\u521b\u5956\u201d\u91d1\u5956\u3001\u4e2d\u56fd\u9897\u7c92\u5b66\u4f1a\u79d1\u6280\u8fdb\u6b65\u5956\u4e8c\u7b49\u5956\u3001\u6c5f\u82cf\u7701\u9897\u7c92\u5b66\u4f1a\u521b\u65b0\u5956\u7279\u7b49\u5956\u3001\u6559\u80b2\u90e8\u970d\u82f1\u4e1c\u9752\u5e74\u6559\u5e08\u5956\u3001\u5b89\u5fbd\u7701\u79d1\u5b66\u6280\u672f\u5956\u4e00\u7b49\u5956\u3002\u53d1\u8868SCI\u8bba\u6587200\u4f59\u7bc7\uff0c\u5305\u62ecNature\u5b50\u520a2\u7bc7\uff0cChem. Soc. Rev. 1\u7bc7\uff0cAdv. Mater. 14\u7bc7\uff0cAdv. Funct. Mater. 14\u7bc7\uff0cJ. Am. Chem. Soc. 3\u7bc7\uff0cAngew. Chem. Int. Ed. 9\u7bc7\uff0cNano Lett. 5\u7bc7\uff0c\u5f71\u54cd\u56e0\u5b5010.0\u4ee5\u4e0a\u671f\u520a\u8bba\u658770\u4f59\u7bc7\uff1b\u83b7SCI\u5f15\u752815000\u4f59\u6b21\uff0c\u6700\u9ad8\u5355\u7bc7\u5f15\u75281200\u6b21\uff0cESI\u9ad8\u88ab\u5f15\u8bba\u658740\u4f59\u7bc7\uff0cH\u56e0\u5b5060\u3002<\/p>\n

\u5b8b\u7ee7\u4e2d<\/b><\/strong>\uff0c\u5357\u4eac\u7406\u5de5\u5927\u5b66\u65b0\u578b\u663e\u793a\u6750\u6599\u4e0e\u5668\u4ef6\u5de5\u4fe1\u90e8\u91cd\u70b9\u5b9e\u9a8c\u5ba4\u9752\u5e74\u6559\u6388\uff0c\u526f\u4e3b\u4efb\uff0c\u6c5f\u82cf\u7701\u6770\u51fa\u9752\u5e74\u57fa\u91d1\u83b7\u5f97\u8005\u30022015\u5e74\u83b7\u5f97\u5357\u4eac\u822a\u7a7a\u822a\u5929\u5927\u5b66\u6750\u6599\u5b66\u535a\u58eb\u5b66\u4f4d\uff0c2011-2012\u5e74\u4efb\u53cb\u8fbe\u5149\u7535OLED\u7814\u53d1\u90e8\u9ad8\u7ea7\u5de5\u7a0b\u5e08\u3002\u4e3b\u8981\u4ece\u4e8b\u91cf\u5b50\u70b9\u53d1\u5149\u663e\u793a\u6750\u6599\u4e0e\u5668\u4ef6\u7814\u7a76\uff0c\u53d1\u5c55\u4e86\u5168\u65e0\u673a\u9499\u949b\u77ff\u91cf\u5b50\u70b9\u7684\u7ea2\u7eff\u84dd\u4e09\u57fa\u8272\u53d1\u5149\u5668\u4ef6\u4f53\u7cfb\uff0c\u63ed\u793a\u4e86\u5176\u8d85\u7eaf\u8272\u3001\u5e7f\u8272\u57df\u7b49\u7535\u81f4\u53d1\u5149\u7279\u70b9\uff0c\u4ee3\u8868\u6027\u8bba\u6587(Adv. Mater. 2015, 27, 7162)\u5df2\u83b7Science\u3001Nature\u7b49\u5f15\u7528700\u6b21\u3002\u5728Adv. Mater., J. Am.\u00a0Chem. Soc., Nano Lett., Angew. Chem. Int. Ed.\u7b49\u671f\u520a\u53d1\u8868SCI \u8bba\u658750\u4f59\u7bc7\uff0c\u7b2c\u4e00\u4e0e\u901a\u8baf\u4f5c\u8005\u5f71\u54cd\u56e0\u5b5010.0\u4ee5\u4e0a\u671f\u520a\u8bba\u658715\u7bc7\uff0c\u83b7SCI\u5f15\u75283000\u4f59\u6b21\uff0cESI\u9ad8\u88ab\u5f15\u8bba\u658710\u7bc7\u3002<\/p>\n

\u3010\u76f8\u5173\u4f18\u8d28\u6587\u732e\u63a8\u8350\u3011<\/b><\/strong><\/p>\n

\u91cd\u70b9\u5b9e\u9a8c\u5ba4\u91cf\u5b50\u70b9\u53d1\u5149\u5668\u4ef6\u4ee3\u8868\u4f5c<\/p>\n

    \n
  1. Quantum Dot Light-emitting Diodes based on Inorganic Perovskite Cesium Lead Halides (CsPbX3), Adv. Mater.<\/i><\/em>2015<\/b><\/strong>, 27, 7162. Citation times = 700
    \n 2. 50-fold EQE Improvement up to 6.27% of Solution-processed All-inorganic Perovskite CsPbBr\u2083QLEDs via Surface Ligand Density Control, Adv. Mater. <\/i><\/em>2017<\/b><\/strong>, 29, 1603885. Citation times = 300<\/li>\n
  2. Room\u2010Temperature Triple\u2010Ligand Surface Engineering Synergistically Boosts Ink Stability, Recombination Dynamics, and Charge Injection toward EQE\u201011.6% Perovskite QLEDs, Adv. Mater. <\/i><\/em>2018<\/b><\/strong>30, 1800764. Citation times = 20<\/li>\n
  3. 5. Organic\u2013Inorganic Hybrid Passivation Enables Perovskite QLEDs with an EQE of 16.48%, Mater.<\/i><\/em>2018<\/b><\/strong>, DOI: https:\/\/doi.org\/10.1002\/adma.201805409.<\/li>\n<\/ol>\n

    \u672c\u6587\u7531\u5357\u4eac\u7406\u5de5\u5927\u5b66\u5b8b\u7ee7\u4e2d\u6559\u6388\u548c\u66fe\u6d77\u6ce2\u6559\u6388\u56e2\u961f<\/b><\/strong>\u4f9b\u7a3f\uff0c\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7f16\u8f91\u3002<\/p>\n

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