{"id":53962,"date":"2016-12-01T06:30:58","date_gmt":"2016-11-30T22:30:58","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=53962"},"modified":"2017-03-04T22:44:06","modified_gmt":"2017-03-04T14:44:06","slug":"%e6%9b%be%e6%b5%b7%e6%b3%a2%e6%9c%80%e6%96%b0adv-mater-%e9%80%9a%e8%bf%87%e6%8e%a7%e5%88%b6%e9%85%8d%e4%bd%93%e5%af%86%e5%ba%a6%e5%be%97%e5%88%b0%e5%85%b7%e6%9c%89%e6%9e%81%e9%ab%98%e5%a4%96","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=53962","title":{"rendered":"\u66fe\u6d77\u6ce2\u6700\u65b0Adv. Mater. \u901a\u8fc7\u63a7\u5236\u914d\u4f53\u5bc6\u5ea6\u5f97\u5230\u5177\u6709\u6781\u9ad8\u5916\u91cf\u5b50\u6548\u7387\u7684\u7eaf\u65e0\u673a\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\uff08QLEDs\uff09"},"content":{"rendered":"

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

\u4f17\u6240\u5468\u77e5\uff0c\u6709\u673a-\u65e0\u673a\u6df7\u5408\u9499\u949b\u77ffCH3<\/sub>NH3<\/sub>PbBr3<\/sub> \uff08MAPbBr3<\/sub>\uff09\u53d1\u5149\u4e8c\u6781\u7ba1\uff08LEDs\uff09\u7684\u5916\u91cf\u5b50\u6548\u7387\u4ec5\u4ec5\u5728\u4e00\u5e74\u4e4b\u5185\u5c31\u7531\u6700\u521d0.76%\u731b\u589e\u52308.53%\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u7eaf\u65e0\u673a\u9499\u949b\u77ff\u6750\u6599CsPbX3<\/sub> \uff08X = Cl, Br, I\uff09\u88ab\u8bc1\u5b9e\u5728\u7a7a\u6c14\u4e2d\u5ba4\u6e29\u6761\u4ef6\u4e0b\u5177\u6709\u5f88\u597d\u7684\u7a33\u5b9a\u6027\uff0c\u4e14\u4e0d\u9700\u8981\u60f0\u6027\u6c14\u4f53\u4fdd\u62a4\u3002\u6b64\u5916\uff0c\u65e0\u673a\u9499\u949b\u77ff\u6750\u6599\u8fd8\u5177\u6709\u5f88\u9ad8\u7684\u5149\u81f4\u53d1\u5149\uff08PL\uff09\u91cf\u5b50\u4ea7\u7387\uff08QYs\uff09\u3002\u56e0\u6b64\uff0c\u7eaf\u65e0\u673a\u9499\u949b\u77ff\u91cf\u5b50\u70b9\u53d1\u5149\u4e8c\u6781\u7ba1\uff08QLEDs\uff09\u5e94\u8be5\u5177\u6709\u66f4\u9ad8\u7684\u7535\u81f4\u53d1\u5149\uff08EL\uff09\u6548\u7387\u548c\u4eae\u5ea6\u3002\u7136\u800c\uff0c\u5c3d\u7ba1\u65e0\u673a\u9499\u949b\u77ff\u6750\u6599\u5177\u6709\u5982\u6b64\u591a\u7684\u4f18\u70b9\uff0c\u4f46\u662f\u8fc7\u4f4e\u7684\u91cf\u5b50\u6548\u7387\u5374\u963b\u788d\u4e86\u5176\u8fdb\u4e00\u6b65\u53d1\u5c55\u3002\u9664\u53bb\u4f18\u5316\u5668\u4ef6\u7684\u7ed3\u6784\uff0c\u91cf\u5b50\u70b9\u7684\u8868\u9762\u72b6\u6001\u4e5f\u662f\u5f71\u54cdQLED\u6027\u80fd\u7684\u91cd\u8981\u56e0\u7d20\u3002\u9644\u7740\u5728\u91cf\u5b50\u70b9\u8868\u9762\u7684\u914d\u4f53\u4e00\u65b9\u9762\u53ef\u4ee5\u4f7f\u5176\u949d\u5316\uff0c\u4fdd\u6301\u7a33\u5b9a\uff1b\u53e6\u4e00\u65b9\u9762\uff0c\u8fc7\u591a\u7684\u8868\u9762\u914d\u4f53\u4e5f\u4f1a\u5f62\u6210\u7edd\u7f18\u5c42\u963b\u788d\u7535\u8377\u7684\u6ce8\u5165\u3002\u6240\u4ee5\uff0c\u8981\u5f97\u5230\u5177\u6709\u7a33\u5b9a\u6027\u3001\u91cf\u5b50\u4ea7\u7387\u548c\u7535\u8377\u6ce8\u5165\u6548\u7387\u90fd\u5f88\u9ad8\u7684QLED\uff0c\u5c31\u9700\u8981\u5bf9\u5176\u8868\u9762\u72b6\u51b5\u8fdb\u884c\u6df1\u5165\u7cfb\u7edf\u7684\u7814\u7a76\uff0c\u800c\u8fd9\u662f\u6781\u5177\u6311\u6218\u6027\u7684\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6765\u81ea\u5357\u4eac\u7406\u5de5\u5927\u5b66\u7eb3\u7c73\u5149\u7535\u6750\u6599\u7814\u7a76\u6240\u3001\u65b0\u578b\u663e\u793a\u6750\u6599\u4e0e\u5668\u4ef6\u5de5\u4fe1\u90e8\u91cd\u70b9\u5b9e\u9a8c\u5ba4\u7684\u66fe\u6d77\u6ce2\u6559\u6388\u3001\u5b8b\u7ee7\u4e2d\u526f\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/span><\/strong>\u62a5\u9053\u4e86\u4e00\u79cd\u901a\u8fc7\u914d\u4f53\u5bc6\u5ea6\u63a7\u5236\u6765\u5e73\u8861\u91cf\u5b50\u70b9\u7684\u8868\u9762\u949d\u5316\u548c\u7535\u8377\u6ce8\u5165\u7684\u601d\u8def\uff0c\u5e76\u5c06\u5176\u5e94\u7528\u5230\u4e86\u9ad8\u6548CsPbBr3 <\/sub>QLED\u4e2d\u3002<\/p>\n

\u5b9e\u9a8c\u4e2d\u9996\u6b21\u4f7f\u7528<\/strong>\u5df1\u70f7\/\u4e59\u9178\u4e59\u916f\u6df7\u5408\u6eb6\u5242\u6765\u8fbe\u5230\u63a7\u5236\u91cf\u5b50\u70b9\u8868\u9762\u914d\u4f53\u5bc6\u5ea6\u7684\u76ee\u7684\u3002\u5e76\u7528\u591a\u79cd\u8868\u5f81\u65b9\u6cd5\u5bf9CsPbBr3\u91cf\u5b50\u70b9\u3001\u8584\u819c\u4ee5\u53ca\u5668\u4ef6\u7684\u7eaf\u5316\u8fc7\u7a0b\u8fdb\u884c\u4e86\u8be6\u7ec6\u5730\u7814\u7a76\u3002\u5728\u5408\u9002\u7684\u5904\u7406\u8fc7\u7a0b\u540e\uff0c\u91cf\u5b50\u70b9\u7684\u7a33\u5b9a\u6027\u3001\u5149\u81f4\u53d1\u5149\u91cf\u5b50\u4ea7\u7387\uff08PL QYs\uff09\u3001\u8584\u819c\u7684\u5747\u4e00\u6027\u53ca\u5176\u5fae\u7ed3\u6784\u90fd\u5f97\u5230\u4e86\u6700\u5927\u7a0b\u5ea6\u7684\u4fdd\u7559\u3002\u7ed3\u679c\u8868\u660e\uff0c\u76f8\u6bd4\u7528\u4e19\u916e\u4e00\u6b21\u5904\u7406\u7684\u91cf\u5b50\u70b9\uff0c\u4f7f\u7528\u65b0\u65b9\u6cd5\u5904\u7406\u540e\u7684\u91cf\u5b50\u70b9\u5236\u4f5c\u7684QLED\u7684\u91cf\u5b50\u6548\u7387\u63d0\u9ad8\u4e8650\u500d\uff0c\u8fbe\u52306.27%\uff1b\u5176\u7535\u6d41\u5bc6\u5ea6\u63d0\u9ad8\u4e8630\u500d\uff0c\u8fbe\u5230\u4e8613.3 cd\/A\uff0c<\/strong>\u8fd9\u8bf4\u660e\u7531\u4e8e\u8868\u9762\u914d\u4f53\u5bc6\u5ea6\u7684\u8c03\u63a7\uff0c\u7535\u8377\u7684\u6ce8\u5165\u6548\u7387\u5f97\u5230\u6781\u5927\u63d0\u5347\u3002\u8fd9\u79cd\u7814\u7a76\u601d\u8def\u4e3a\u63d0\u9ad8\u65e0\u673a\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u6548\u7387\u63d0\u4f9b\u4e86\u4e00\u79cd\u76f4\u63a5\u3001\u6709\u6548\u7684\u65b9\u6cd5\u3002<\/span><\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe1 \u8868\u9762\u914d\u4f53\u63a7\u5236\u793a\u610f\u56fe\u53ca\u91cf\u5b50\u70b9\u7684NMR\u3001XPS\u548cFTIR\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u8868\u9762\u914d\u4f53\u63a7\u5236\uff08SLDC\uff09\u56fe<\/p>\n

\uff08b\uff09<\/strong>CsPbBr3\u91cf\u5b50\u70b9\u5728\u4e0d\u540c\u5df1\u70f7\/\u4e59\u9178\u4e59\u916f\u5faa\u73af\u5904\u7406\u540e\u7684NMR\u5168\u8c31<\/p>\n

\uff08c\uff09<\/strong>CsPbBr3\u91cf\u5b50\u70b9\u5728\u4e0d\u540c\u5df1\u70f7\/\u4e59\u9178\u4e59\u916f\u5faa\u73af\u5904\u7406\u540e\u7684NMR\u653e\u5927\u8c31<\/p>\n

\uff08d\uff09<\/strong>CsPbBr3\u91cf\u5b50\u70b9\u4e2d\u7684\u78b3\u767e\u5206\u542b\u91cf<\/p>\n

\uff08e\uff09<\/strong>CsPbBr3\u91cf\u5b50\u70b9\u5728\u4e0d\u540c\u5faa\u73af\u5904\u7406\u540e\u7684FTIR\u8c31\u56fe<\/p>\n

\u56fe2 \u901a\u8fc7\u8868\u9762\u914d\u4f53\u5bc6\u5ea6\u63a7\u5236\u540e\u91cf\u5b50\u70b9\u58a8\u6c34\u7a33\u5b9a\u6027\u3001\u5149\u81f4\u53d1\u5149\uff08PL\uff09\u5f3a\u5ea6\u3001\u8584\u819c\u7684\u5747\u4e00\u6027\u53ca\u5fae\u7ed3\u6784\u7684\u53d8\u5316<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u4e0d\u540c\u5faa\u73af\u5904\u7406\u540e\u91cf\u5b50\u70b9\u5728UV\u7167\u5c04\u524d\u540e\u7684\u7167\u7247<\/p>\n

\uff08b\uff09<\/strong>\u4e0d\u540c\u5faa\u73af\u5904\u7406\u540e\u7684\u91cf\u5b50\u70b9\u5f62\u6210\u7684\u8584\u819c\u5728UV\u7167\u5c04\u4e0b\u7684\u7167\u7247<\/p>\n

\uff08c\uff09<\/strong>\u591a\u6b21\u5faa\u73af\u5904\u7406\u540e\u8584\u819c\u7684SEM\u56fe<\/p>\n

\uff08d\uff09<\/strong>\u4e0d\u540c\u5faa\u73af\u5904\u7406\u540e\u91cf\u5b50\u70b9\u7684TEM\u56fe<\/p>\n

\u56fe3 \u8868\u9762\u914d\u4f53\u5bc6\u5ea6\u63a7\u5236\uff08SLDC\uff09\u540e\u5149\u81f4\u53d1\u5149\u548c\u8f7d\u6d41\u5b50\u6ce8\u5165\u7684\u53d8\u5316<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u4e0d\u540c\u7eaf\u5316\u8fc7\u7a0b\u540e\u91cf\u5b50\u70b9\u7684\u5149\u81f4\u53d1\u5149\uff08PL\uff09\u91cf\u5b50\u4ea7\u7387\uff08QY\uff09<\/p>\n

\uff08b\uff09<\/strong>\u91cf\u5b50\u70b9\u7684\u5149\u81f4\u53d1\u5149\uff08PL\uff09\u8c31<\/p>\n

\uff08c\uff09<\/strong>\u91cf\u5b50\u70b9\u8584\u819c\u7684\u5149\u81f4\u53d1\u5149\uff08PL\uff09\u8870\u51cf\u8c31<\/p>\n

\uff08d\uff09<\/strong>\u4ec5\u6709\u7535\u5b50\u4f5c\u4e3a\u8f7d\u6d41\u5b50\u65f6\u7684\u80fd\u5e26\u5206\u5e03\u548c\u7535\u6d41\u5bc6\u5ea6-\u7535\u538b\u7279\u6027\uff08J-V\uff09<\/p>\n

\uff08e\uff09<\/strong>\u4ec5\u6709\u7a7a\u7a74\u4f5c\u4e3a\u8f7d\u6d41\u5b50\u65f6\u7684\u80fd\u5e26\u5206\u5e03\u548c\u7535\u6d41\u5bc6\u5ea6-\u7535\u538b\u7279\u6027\uff08J-V\uff09<\/p>\n

\uff08f\uff09<\/strong>\u7ecf\u8fc7\u4e0d\u540c\u7eaf\u5316\u5faa\u73af\u8fc7\u7a0b\u540e\u7684QLED\u5668\u4ef6\u7684\u80fd\u5e26\u5206\u5e03\u548c\u7535\u6d41\u5bc6\u5ea6-\u7535\u538b\u7279\u6027\uff08J-V\uff09<\/p>\n

\u56fe4 \u901a\u8fc7\u8868\u9762\u914d\u4f53\u5bc6\u5ea6\u63a7\u5236\u4f18\u5316QLED\u7684\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>QLED\u5668\u4ef6\u7684\u7ed3\u6784\u793a\u610f\u56fe\u53ca\u5176\u622a\u9762\u7684TEM\u56fe<\/p>\n

\uff08b\uff09<\/strong>\u8fdb\u8fc7\u4e24\u6b21\u7eaf\u5316\u5faa\u73af\u7684\u91cf\u5b50\u70b9\u5668\u4ef6\u7684\u5f52\u4e00\u5316\u7535\u81f4\u53d1\u5149\uff08EL\uff09\u8c31\u548c\u5149\u81f4\u53d1\u5149\uff08PL\uff09\u8c31<\/p>\n

\uff08c\uff09<\/strong>\u4e0d\u540c\u7eaf\u5316\u5faa\u73af\u540e\u7684\u91cf\u5b50\u70b9\u5668\u4ef6\u7684\u53d1\u5149\u5f3a\u5ea6-\u9a71\u52a8\u7535\u538b\u56fe<\/p>\n

\uff08d\uff09<\/strong>\u4e0d\u540c\u7eaf\u5316\u5faa\u73af\u540e\u7684\u91cf\u5b50\u70b9\u5668\u4ef6\u7684\u7535\u6d41\u6548\u7387-\u7535\u6d41\u5bc6\u5ea6\u56fe<\/p>\n

\uff08e\uff09<\/strong>\u4e0d\u540c\u7eaf\u5316\u5faa\u73af\u540e\u7684\u91cf\u5b50\u70b9\u5668\u4ef6\u7684\u5916\u91cf\u5b50\u6548\u7387-\u53d1\u5149\u5f3a\u5ea6\u56fe<\/p>\n

\u56fe5 \u4e0d\u540c\u7a7a\u7a74\u4f20\u8f93\u5c42\u548c\u7eaf\u5316\u6eb6\u5242\u5bf9\u5668\u4ef6\u6027\u80fd\u7684\u5f71\u54cd<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09<\/strong>\u5668\u4ef6\u7ed3\u6784\u7684\u4f18\u5316\u56fe<\/p>\n

\uff08b\uff09<\/strong>\u76f8\u5e94\u5668\u4ef6\u7ed3\u6784\u4f18\u5316\u6761\u4ef6\u4e0b\u7684\u7535\u6d41\u5bc6\u5ea6\u548c\u5916\u91cf\u5b50\u6548\u7387<\/p>\n

\uff08c\uff09<\/strong>\u7eaf\u5316\u6eb6\u5242\u5bf9\u5668\u4ef6\u6027\u80fd\u7684\u4f18\u5316\u56fe<\/p>\n

\uff08d\uff09<\/strong>\u4e0d\u540c\u7eaf\u5316\u6eb6\u5242\u5904\u7406\u540e\u5668\u4ef6\u7684\u7535\u6d41\u5bc6\u5ea6\u548c\u5916\u91cf\u5b50\u6548\u7387<\/p>\n

\u88681 \u4e0d\u540c\u6761\u4ef6\u4e0bCsPbBr3\u57faLED\u7684\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

\u88682 \u6587\u732e\u4e2d\u9499\u949b\u77ff\u57faLED\u7684\u6027\u80fd\u603b\u7ed3<\/strong><\/p>\n

\"\"<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>50-Fold EQE Improvement up to 6.27% of Solution-Processed All-Inorganic Perovskite CsPbBr3 QLEDs via Surface Ligand Density Control <\/a>(Adv. Mater.\uff0c2016, DOI: 10.1002\/adma.201603885)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4\u5927\u57ce\u5c0f\u7231\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

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