{"id":196977,"date":"2020-03-04T06:38:57","date_gmt":"2020-03-03T22:38:57","guid":{"rendered":"\/\/m.iemloyee.com\/?p=196977"},"modified":"2020-03-03T20:39:19","modified_gmt":"2020-03-03T12:39:19","slug":"%e6%b5%99%e6%b1%9f%e5%a4%a7%e5%ad%a6nature-communications%ef%bc%9a%e7%ba%a2%e5%85%89-%e8%93%9d%e5%85%89qled%e5%ae%9e%e7%8e%b0%e8%b6%85%e9%95%bf%e5%af%bf%e5%91%bd","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=196977","title":{"rendered":"\u6d59\u6c5f\u5927\u5b66Nature\u00a0Communications\uff1a\u7ea2\u5149\/\u84dd\u5149QLED\u5b9e\u73b0\u8d85\u957f\u5bff\u547d"},"content":{"rendered":"

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

\u80f6\u4f53\u91cf\u5b50\u70b9\u662f\u4e00\u79cd\u53ef\u6eb6\u6db2\u52a0\u5de5\u7684\u534a\u5bfc\u4f53\u7eb3\u7c73\u6676\u4f53\uff0c\u5176\u8868\u9762\u5305\u88f9\u4e00\u5c42\u6709\u673a\u914d\u4f53\u3002\u91cf\u5b50\u70b9\u5408\u6210\u5316\u5b66\u7684\u8fdb\u5c55\u53ef\u4ee5\u4f7f\u6211\u4eec\u83b7\u5f97\u5177\u6709\u9ad8\u6548\u3001\u7a33\u5b9a\u548c\u9ad8\u7eaf\u5ea6\u8367\u5149\u53d1\u5c04\u6027\u80fd\u7684\u53d1\u5149\u6750\u6599\u3002\u6838\/\u58f3\u91cf\u5b50\u70b9\u7684\u7535\u81f4\u53d1\u5149\u6709\u671b\u5145\u5206\u5229\u7528\u91cf\u5b50\u70b9\u4f18\u5f02\u7684\u53d1\u5149\u6027\u80fd\u548c\u53ef\u6eb6\u6db2\u52a0\u5de5\u6027\u80fd\uff0c\u5b9e\u73b0\u4f4e\u6210\u672c\u3001\u9ad8\u6027\u80fd\u7684\u91cf\u5b50\u70b9\u53d1\u5149\u4e8c\u6781\u7ba1\uff08QLED\uff09\u3001\u7535\u9a71\u52a8\u5355\u5149\u5b50\u6e90\u548c\u6f5c\u5728\u7684\u7535\u6cf5\u6d66\u6fc0\u5149\u5668\u3002\u7136\u800c\uff0c\u9ad8\u6027\u80fdQLED\u7684\u8bbe\u8ba1\u548c\u5236\u9020\u4ecd\u7136\u6781\u5177\u6311\u6218\u6027\u3002\u91cf\u5b50\u70b9\u5728\u5de5\u4f5c\u72b6\u6001\u4e0b\u96be\u4ee5\u4fdd\u6301\u4f18\u5f02\u7684\u53d1\u5149\u7279\u6027\uff0c\u8fd9\u901a\u5e38\u88ab\u5f52\u56e0\u4e8e\u5668\u4ef6\u4e2d\u4e0d\u5e73\u8861\u7684\u7535\u8377\u6ce8\u5165\u548c\/\u6216\u754c\u9762\u6fc0\u5b50\u731d\u706d\u3002\u4ee5\u6b64\u4e3a\u6307\u5bfc\u539f\u5219\u5728\u6750\u6599\u7b5b\u9009\u548c\u5668\u4ef6\u5de5\u7a0b\u65b9\u9762\u505a\u4e86\u5927\u91cf\u7684\u52aa\u529b\uff0c\u4f46\u76ee\u524d\u4ecd\u7136\u4ec5\u6709\u51e0\u4e2a\u6709\u9650\u7279\u4f8b\u5b9e\u73b0\u4e86\u9ad8\u6548\u7387\u548c\u8f83\u957f\u5de5\u4f5c\u5bff\u547d\u7684\u7ea2\u7eff\u5149QLED\u3002\u8fd9\u4e00\u5c40\u9762\u8bf4\u660e\uff0c\u6211\u4eec\u9700\u8981\u5728\u57fa\u7840\u79d1\u5b66\u95ee\u9898\u5c42\u9762\u6709\u65b0\u7684\u7406\u89e3\uff0c\u5e76\u63d0\u51fa\u91cf\u5b50\u70b9\u8bbe\u8ba1\u7684\u65b0\u539f\u5219\u548c\u6307\u6807\uff0c\u4ee5\u8de8\u8d8a\u4ece\u5149\u81f4\u53d1\u5149\u4e0e\u7535\u81f4\u53d1\u5149\u7684\u9e3f\u6c9f\u3002<\/p>\n

\u5728\u5149\u81f4\u53d1\u5149\u4e2d\uff0c\u6fc0\u5b50\u662f\u901a\u8fc7\u5438\u6536\u5149\u5b50\u5c06\u91cf\u5b50\u70b9\u4ef7\u5e26\u7684\u7535\u5b50\u6fc0\u53d1\u5230\u5bfc\u5e26\u800c\u540c\u65f6\u4ea7\u751f\u7535\u5b50-\u7a7a\u7a74\u5bf9\uff0c\u5e76\u9650\u57df\u5728\u6838-\u58f3\u7ed3\u6784\u4e2d\u3002\u5728\u7535\u81f4\u53d1\u5149\u4e2d\uff0c\u6fc0\u5b50\u662f\u901a\u8fc7\u5c06\u7535\u5b50\u548c\u7a7a\u7a74\u5206\u522b\u6ce8\u5165\u91cf\u5b50\u70b9\u800c\u4ea7\u751f\u7684\uff0c\u800c\u7535\u5b50\u548c\u7a7a\u7a74\u7684\u6ce8\u5165\u90fd\u5c06\u7ecf\u8fc7\u91cf\u5b50\u70b9\u8868\u9762\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5728\u8bbe\u8ba1\u9ad8\u6027\u80fd\u7535\u81f4\u53d1\u5149\u5668\u4ef6\u7684\u91cf\u5b50\u70b9\u65f6\uff0c\u9664\u4e86\u8003\u8651\u8868\u9762\u914d\u4f53\u5bf9\u91cf\u5b50\u70b9\u5149\u5b66\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u8fd8\u5fc5\u987b\u8003\u8651\u5b83\u4eec\u7684\u7535\u5316\u5b66\u7279\u6027\u3002<\/p>\n

\u00a0<\/b><\/strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u6d59<\/b><\/strong>\u6c5f\u5927\u5b66<\/b><\/strong>\u749e\u8d85\u4e39\u3001\u6234\u5174\u826f\uff08\u5171\u540c\u4e00\u4f5c\uff09\u548c<\/b><\/strong>\u91d1\u4e00\u653f\u7814<\/b><\/strong>\u7a76\u5458<\/b><\/strong>\u3001<\/b><\/strong>\u5f6d\u7b11\u521a\u6559\u6388<\/b><\/strong>\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u7b49\u4eba\u63d0\u51fa\u4e86\u91cf\u5b50\u70b9\u5e94\u7528\u4e8e\u7535\u81f4\u53d1\u5149\u7684\u65b0\u8bbe\u8ba1\u539f\u5219\u3002\u7814\u7a76\u4eba\u5458\u53d1\u73b0\u4e86QLED\u5de5\u4f5c\u65f6\uff0c\u5177\u6709\u7535\u5316\u5b66\u6d3b\u6027\u7684\u914d\u4f53\u53ef\u80fd\u88ab\u539f\u4f4d\u8fd8\u539f\uff0c\u4ece\u800c\u5927\u5927\u964d\u4f4e\u5668\u4ef6\u6548\u7387\u548c\u5bff\u547d\u3002\u57fa\u4e8e\u8fd9\u4e00\u8ba4\u8bc6\uff0c\u63d0\u51fa\u5c06\u7535\u5316\u5b66\u60f0\u6027\u914d\u4f53\u5e94\u7528\u4e8eQLED\u4e2d\u7684\u91cf\u5b50\u70b9\uff0c\u4ece\u800c\u5b9e\u73b0\u5728\u7535\u81f4\u53d1\u5149\u5668\u4ef6\u4e2d\u6709\u6548\u5229\u7528\u91cf\u5b50\u70b9\u4f18\u5f02\u7684\u53d1\u5149\u6027\u80fd\uff0c\u83b7\u5f97\u4e86\u5de5\u4f5c\u5bff\u547d\u521b\u7eaa\u5f55\u7684\u7ea2\u5149\u4e8c\u6781\u7ba1\uff08\u57281000 cd m-2<\/sup>\u65f6\uff0cT95<\/sub>>3800\u5c0f\u65f6\uff09\u548c\u84dd\u5149\u4e8c\u6781\u7ba1\uff08\u5728100 cd m-2<\/sup>\u65f6\uff0cT50<\/sub>>10000\u5c0f\u65f6\uff09\u3002\u8fd9\u4e00\u6750\u6599\u8bbe\u8ba1\u539f\u5219\u5bf9\u4e8e\u63d0\u9ad8QLED\u7684\u7535\u81f4\u53d1\u5149\u6548\u7387\u548c\u5de5\u4f5c\u7a33\u5b9a\u6027\u5177\u6709\u666e\u904d\u610f\u4e49\uff0c\u4e3a\u89e3\u51b3QLED\u8d70\u5411\u4ea7\u4e1a\u5e94\u7528\u7684\u74f6\u9888\u95ee\u9898\u63d0\u4f9b\u5173\u952e\u6307\u5bfc\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cElectrochemically-stable ligands bridge the photoluminescence-electroluminescence gap of quantum dots<\/b><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nat<\/b><\/strong>ure<\/b><\/strong>\u00a0Commun<\/b><\/strong>ications<\/b><\/strong><\/a>\u4e0a\u3002<\/p>\n

\u00a0<\/b><\/strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n

\u56fe\u4e00\u3001CdSe\/CdS-Cd\uff08RCOO\uff09<\/b><\/strong>2<\/b><\/sub><\/strong>\u548cCdSe\/CdS-RNH<\/b><\/strong>2<\/b><\/sub><\/strong>\u91cf\u5b50\u70b9\u7684<\/b><\/strong>\u5149\u81f4\u53d1\u5149\uff08<\/b><\/strong>PL<\/b><\/strong>\uff09<\/b><\/strong>\u548c<\/b><\/strong>\u7535\u81f4\u53d1\u5149\uff08<\/b><\/strong>EL<\/b><\/strong>\uff09<\/b><\/strong>\u6027\u8d28<\/b><\/strong>\"\"<\/b><\/strong>\uff08a\uff09\u91cf\u5b50\u70b9\u8868\u9762\u7fa7\u9178\u9549\u76d0\u914d\u4f53\u4e0e\u4f2f\u80fa\u914d\u4f53\u4ea4\u6362\uff1b<\/p>\n

\uff08b\uff09\u5438\u6536\u548c\u7a33\u6001PL\u5149\u8c31\uff1b<\/p>\n

\uff08c\uff09\u65f6\u95f4\u5206\u8fa8\u8367\u5149\u5149\u8c31\uff1b<\/p>\n

\uff08d\uff09QLED\u5668\u4ef6\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08e\uff09QLED\u7535\u6d41\u5bc6\u5ea6\u548c\u4eae\u5ea6\u4e0e\u9a71\u52a8\u7535\u538b\u5173\u7cfb\u66f2\u7ebf\uff1b<\/p>\n

\uff08f\uff09QLED\u7684\u5916\u91cf\u5b50\u6548\u7387\uff08EQE\uff09\u4e0e\u9a71\u52a8\u7535\u538b\u5173\u7cfb\u66f2\u7ebf\uff1b<\/p>\n

\uff08g\uff09\u5728100 mA cm-2<\/sup>\u7684\u6052\u5b9a\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0cQLEDs\u7684\u7535\u81f4\u53d1\u5149\u7a33\u5b9a\u6027\u3002<\/p>\n

\u56fe\u4e8c\u3001CdSe\/CdS-Cd\uff08RCOO\uff09<\/b><\/strong>2<\/b><\/sub><\/strong>\u91cf\u5b50\u70b9\u7684\u7535\u5316\u5b66\u8fd8\u539f<\/b><\/strong>\"\"\uff08a\uff09QLED\u4e2d\u91cf\u5b50\u70b9\u76f8\u5bf9PL\u6548\u7387\u968f\u7535\u538b\u7684\u53d8\u5316\uff1b<\/p>\n

\uff08b\uff092 V \u9a71\u52a8\u4e0b\uff0cCdSe\/CdS-Cd\uff08RCOO\uff092<\/sub>\u91cf\u5b50\u70b9\u5728QLED\u4e2d\u76f8\u5bf9PL\u6548\u7387\u968f\u65f6\u95f4\u53d8\u5316\uff1b<\/p>\n

\uff08c\uff09\u5355\u7535\u5b50\u5668\u4ef6\u4e2d\u91cf\u5b50\u70b9\u7684\u76f8\u5bf9PL\u6548\u7387\uff1b<\/p>\n

\uff08d\uff09\u4e24\u79cd\u7c7b\u578bCdSe\/CdS\u6838\/\u58f3\u91cf\u5b50\u70b9\u548c\u6cb9\u9178\u9549\u7684\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf\uff1b<\/p>\n

\uff08e\uff0cf\uff09CdSe\/CdS-Cd\uff08RCOO\uff092<\/sub>\u91cf\u5b50\u70b9\u5728\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684PL\u548c\u5fae\u5206\u4fc4\u6b47\u7535\u5b50\u80fd\u8c31\u3002<\/p>\n

\u56fe\u4e09\u3001CdSe\/CdS\u91cf\u5b50\u70b9\u7684PL\u548cEL\u6027\u8d28\u4e0e\u7fa7\u9178\u9549\u6d53\u5ea6\u4e4b\u95f4\u7684\u5173\u7cfb<\/b><\/strong>\"\"\uff08a\uff09\u5408\u6210\u7684CdSe\/CdS-Cd\uff08RCOO\uff092<\/sub>\u91cf\u5b50\u70b9\uff08\u7ea2\u8272\uff09\u548c\u5b8c\u5168\u8868\u9762\u5904\u7406\u7684CdSe\/CdS-RNH2<\/sub>\u91cf\u5b50\u70b9\uff08\u9ed1\u8272\uff09\u7684\u7ea2\u5916\u5149\u8c31\uff1b<\/p>\n

\uff08b\uff09\u6eb6\u6db2\u4e2dCdSe\/CdS\u6838\/\u58f3\u91cf\u5b50\u70b9\u7684\u5269\u4f59\u7fa7\u9178\u76d0\u767e\u5206\u6bd4\u548c\u5176\u8367\u5149\u6548\u7387\uff08PL QY\uff09\u4e0e\u914d\u4f53\u4ea4\u6362\u8fc7\u7a0b\u4e2d\u4f7f\u7528\u4f2f\u80fa\u6d53\u5ea6\u7684\u5173\u7cfb\uff1b<\/p>\n

\uff08c\uff09\u91cf\u5b50\u70b9\u8584\u819c\u7684PL QY\u3001QLED\u7684IQE\u3001QLED\u7684\u5de5\u4f5c\u5bff\u547d\u548cQLED\u7684\u7535\u538b\u95f4\u9699\u4e0e\u91cf\u5b50\u70b9\u8868\u9762\u6b8b\u7559\u7fa7\u9178\u914d\u4f53\u542b\u91cf\u7684\u5173\u7cfb\u3002<\/p>\n

\u56fe\u56db\u3001\u4e0d\u540c\u914d\u4f53\u7684\u7ea2\u5149\u91cf\u5b50\u70b9\u7684\u7535\u5316\u5b66\u7a33\u5b9a\u6027\u548cQLED\u6027\u80fd<\/b><\/strong>\"\"<\/b><\/strong>\uff08a\uff09CdSe\/CdS\/ZnS\u6838\/\u58f3\/\u58f3\u91cf\u5b50\u70b9\u5728\u5355\u7535\u5b50\u5668\u4ef6\u4e2d\u7684\u76f8\u5bf9PL\u6548\u7387\u968f\u65f6\u95f4\u53d8\u5316\uff1b<\/p>\n

\uff08b\uff09CdSe\/CdS\/ZnS\u6838\/\u58f3\/\u58f3\u91cf\u5b50\u70b9\u5728QLED\u4e2d\u7684\u76f8\u5bf9PL\u6548\u7387\u968f\u65f6\u95f4\u53d8\u5316\uff1b<\/p>\n

\uff08c\uff0cd\uff09\u76f8\u5bf9\u5e94QLED\u7684EQE\u4e0e\u9a71\u52a8\u7535\u538b\u5173\u7cfb\u66f2\u7ebf\u548c\u6052\u6d41\u5de5\u4f5c\u4e0b\u7684T95<\/sub>\u5bff\u547d\u3002<\/p>\n

\uff08e\uff09\u4e0d\u540c\u914d\u4f53CdSe\/CdS\u6838\/\u58f3\u91cf\u5b50\u70b9\u548cCdSe\/CdS\/ZnS\u6838\/\u58f3\u91cf\u5b50\u70b9\u5185\u91cf\u5b50\u6548\u7387\uff08IQE\uff09\u548cPL QY\u7684\u6bd4\u7387\u3002<\/p>\n

\u56fe\u4e94\u3001\u84dd\u5149\u91cf\u5b50\u70b9\u7684\u7535\u5316\u5b66\u7a33\u5b9a\u6027\u548cQLED\u6027\u80fd<\/b><\/strong>\"\"\uff08a\uff09\u84dd\u5149\u91cf\u5b50\u70b9\u5728\u5355\u7535\u5b50\u5668\u4ef6\u4e2d\u7684\u76f8\u5bf9PL\u6548\u7387\u968f\u65f6\u95f4\u53d8\u5316\uff1b<\/p>\n

\uff08b\uff09\u84dd\u5149\u91cf\u5b50\u70b9\u5728QLED\u4e2d\u7684\u76f8\u5bf9PL\u6548\u7387\u968f\u65f6\u95f4\u53d8\u5316\uff1b<\/p>\n

\uff08c\uff09\u84dd\u5149QLED\u7684EQE\u4e0e\u7535\u538b\u5173\u7cfb\u66f2\u7ebf\uff1b<\/p>\n

\uff08d\uff09\u5728\u6052\u6d41\u6a21\u5f0f\u4e0b\u9a71\u52a8\u7684\u84dd\u5149QLED\u5de5\u4f5c\u5bff\u547d\u3002<\/p>\n

\u00a0<\/b><\/strong>\u3010\u5c0f\u7ed3\u3011<\/b><\/strong><\/p>\n

\u672c\u6587\u8bbe\u8ba1\u4e86\u4e00\u79cd\u7b80\u5355\u3001\u901a\u7528\u7684\u548c\u57fa\u4e8e\u6750\u6599\u7684\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6865\u8fde\u91cf\u5b50\u70b9\u5149\u81f4\u53d1\u5149\u4e0e\u7535\u81f4\u53d1\u5149\uff0c\u5927\u5927\u63d0\u5347\u4e86\u7ea2\u5149\u548c\u84dd\u5149QLED\u7684\u5de5\u4f5c\u5bff\u547d\u3002\u540c\u65f6\uff0c\u914d\u4f53\u7684\u7535\u5316\u5b66\u7a33\u5b9a\u6027\u662f\u5149\u7535\u5668\u4ef6\u548c\u7535\u5b50\u5668\u4ef6\u91cf\u5b50\u70b9\u7684\u5173\u952e\u8bbe\u8ba1\u53c2\u6570\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u5668\u4ef6\u7684\u5de5\u4f5c\u90fd\u6d89\u53ca\u5411\u91cf\u5b50\u70b9\u6ce8\u5165\u7535\u8377\u7684\u8fc7\u7a0b\u3002<\/p>\n

\u00a0<\/b><\/strong>\u6587\u732e\u94fe\u63a5\uff1a\u201c<\/b><\/strong>Electrochemically-stable ligands bridge the photoluminescence-electroluminescence gap of quantum dots<\/b><\/u><\/strong><\/a>\u201d(<\/b><\/strong>Nat. Commun.<\/b><\/strong><\/a>\uff0c<\/b><\/strong>2020\uff0cDOI:10.1038\/s41467-020-14756-5)<\/b><\/strong><\/p>\n

\u672c\u6587\u7531CYM\u7f16\u8bd1\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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