{"id":198577,"date":"2020-03-30T06:24:46","date_gmt":"2020-03-29T22:24:46","guid":{"rendered":"\/\/m.iemloyee.com\/?p=198577"},"modified":"2020-03-29T20:24:56","modified_gmt":"2020-03-29T12:24:56","slug":"adv-mater-%e5%8f%8c%e7%a2%b1%e9%87%91%e5%b1%9e%e7%a6%bb%e5%ad%90%e6%8e%ba%e6%9d%82%e7%a8%b3%e5%ae%9a%e9%92%99%e9%92%9b%e7%9f%bf%e5%8f%91%e5%85%89%e4%ba%8c%e6%9e%81%e7%ae%a1","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=198577","title":{"rendered":"Adv. Mater.: \u53cc\u78b1\u91d1\u5c5e\u79bb\u5b50\u63ba\u6742\u7a33\u5b9a\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1"},"content":{"rendered":"

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

\u00a0\u8fd1\u5e74\u6765\uff0c\u53ef\u6eb6\u6db2\u6cd5\u5236\u5907\u7684\u91d1\u5c5e\u5364\u5316\u7269\u9499\u949b\u77ff\u5728\u53d1\u5149\u4e8c\u6781\u7ba1\uff08LEDs\uff09\u7814\u7a76\u9886\u57df\u4e2d\u5f15\u8d77\u4e86\u6781\u5927\u7684\u5174\u8da3\u3002\u7531\u4e8e\u5236\u5907\u6210\u672c\u4f4e\u3001\u53d1\u5c04\u6ce2\u957f\u53ef\u8c03\u3001\u8367\u5149\u91cf\u5b50\u6548\u7387\u9ad8\u3001\u7f3a\u9677\u6001\u5bc6\u5ea6\u4f4e\u7b49\u4f18\u52bf\uff0c\u91d1\u5c5e\u5364\u5316\u7269\u9499\u949b\u77ff\u5728\u5236\u5907\u9ad8\u6548\u7387\u53d1\u5149\u5668\u4ef6\u4e2d\u5c55\u73b0\u4e86\u5de8\u5927\u7684\u6f5c\u529b\u3002\u8fc7\u53bb5\u5e74\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\uff08PeLEDs\uff09\u53d6\u5f97\u4e86\u91cd\u5927\u7a81\u7834\uff0c\u5916\u91cf\u5b50\u6548\u7387\uff08EQE\uff09\u4ece2014\u5e74\u76840.76%\u63d0\u9ad8\u523021%\u4ee5\u4e0a\uff0c\u4e0e\u6709\u673a\u53d1\u5149\u4e8c\u6781\u7ba1\uff08OLEDs\uff09\u6027\u80fd\u76f8\u5f53\u3002\u5c3d\u7ba1PeLEDs\u53d1\u5149\u6548\u7387\u8fc5\u901f\u53d1\u5c55\uff0c\u7531\u4e8e\u5de5\u4f5c\u6761\u4ef6\u4e0b\u7684\u7a33\u5b9a\u6027\u95ee\u9898\uff0cPeLEDs\u7684\u5546\u4e1a\u5316\u4ecd\u5177\u6709\u6311\u6218\u6027\u3002PeLEDs\u4e2d\u9499\u949b\u77ff\u53d1\u5149\u5c42\u53d7\u7a7a\u95f4\u9650\u57df\u6548\u5e94\u7684\u5f71\u54cd\uff0c\u4e3a\u4fdd\u8bc1\u8f7d\u6d41\u5b50\u7684\u6709\u6548\u8f90\u5c04\u590d\u5408\uff0c\u539a\u5ea6\u901a\u5e38\u4e3a\u51e0\u5341\u7eb3\u7c73\uff0c\u4e14\u5de5\u4f5c\u7535\u538b\u8f83\u9ad8\uff0c\u5bfc\u81f4\u5355\u4f4d\u8ddd\u79bb\u4e0b\u7535\u573a\u5f3a\u5ea6\u8f83\u5927\uff0c\u6613\u52a0\u5267\u79bb\u5b50\u8fc1\u79fb\uff0c\u964d\u4f4e\u53d1\u5149\u6548\u7387\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u9999\u6e2f\u4e2d\u6587\u5927\u5b66\u8d75\u94cc\u6559\u6388<\/b><\/strong>\u3001\u8377\u5170\u57c3\u56e0\u970d\u6e29\u7406\u5de5\u5927\u5b66(TU\/e) Shuxia Tao\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u7b49\u4eba\u7814\u7a76\u4e86\u7532\u772f\u57fa\u94c5\u7898\uff08FAPbI3<\/sub>\uff09PeLEDs\u5728\u5de5\u4f5c\u6761\u4ef6\u4e0b\u7684\u6027\u80fd\u8870\u51cf\u8fc7\u7a0b\uff0c\u5e76\u901a\u8fc7\u63ba\u6742\u53cc\u78b1\u91d1\u5c5e\u79bb\u5b50\u63d0\u5347\u4e86\u5668\u4ef6\u5de5\u4f5c\u7a33\u5b9a\u6027\u3002\u5229\u7528\u98de\u884c\u65f6\u95f4\u4e8c\u6b21\u79bb\u5b50\u8d28\u8c31\u4eea\uff08TOF-SIMS\uff09\u53d1\u73b0\uff0c\u6301\u7eed\u5de5\u4f5c\u540e\u7684\u5668\u4ef6\u4e2d\uff0cI–<\/sup>\u5728MoO3<\/sub>\/Au\u754c\u9762\u4ea7\u751f\u7d2f\u79ef\uff0c\u76f4\u63a5\u63ed\u793a\u4e86PeLEDs\u5728\u5de5\u4f5c\u6761\u4ef6\u4e0b\u7684\u79bb\u5b50\u8fc1\u79fb\u73b0\u8c61\u3002\u901a\u8fc7\u63ba\u6742\u53cc\u78b1\u91d1\u5c5e\u79bb\u5b50\uff08Cs+<\/sup>, Rb+<\/sup>\uff09\uff0c\u5668\u4ef6\u5185\u90e8\u79bb\u5b50\u8fc1\u79fb\u5f97\u5230\u6291\u5236\uff0c\u5de5\u4f5c\u5bff\u547d\u663e\u8457\u63d0\u5347\u3002\u7ed3\u5408\u5b9e\u9a8c\u548c\u7406\u8bba\u65b9\u6cd5\uff0c\u8fdb\u4e00\u6b65\u63ed\u793a\u4e86Cs+<\/sup>\u548cRb+<\/sup>\u7a33\u5b9aFAPbI3<\/sub>\u00a0PeLEDs\u7684\u539f\u7406\uff1a Cs+<\/sup>\u5728\u9499\u949b\u77ff\u4f53\u76f8\u76f8\u5bf9\u5747\u5300\u5730\u5b58\u5728\uff0c\u800cRb+<\/sup>\u4f18\u5148\u5206\u5e03\u4e8e\u8868\u9762\u548c\u6676\u754c\uff1b\u8fdb\u4e00\u6b65\u7684\u5316\u5b66\u952e\u5206\u6790\u8868\u660e\uff0cCs+<\/sup>\u548cRb+<\/sup>\u63d0\u9ad8\u4e86\u5468\u56f4\u9634\u79bb\u5b50\u7684\u539f\u5b50\u51c0\u7535\u8377\uff0c\u589e\u5f3a\u4e86\u9633\u79bb\u5b50\u4e0e\u65e0\u673a\u9aa8\u67b6\u4e4b\u95f4\u7684\u5e93\u4ed1\u4f5c\u7528\uff0c\u6291\u5236\u4e86I–<\/sup>\u7a7a\u4f4d\u7684\u5f62\u6210\uff0c\u540c\u65f6\u963b\u788d\u4e86I–<\/sup>\u5728\u4f53\u76f8\u548c\u6676\u754c\u5904\u7684\u8fc1\u79fb\u9014\u5f84\u3002Cs+<\/sup>-Rb+<\/sup>\u53cc\u78b1\u91d1\u5c5e\u79bb\u5b50\u63ba\u6742\u540e\u6240\u5f97\u8fd1\u7ea2\u5916\uff08NIR\uff09PeLEDs\u5916\u91cf\u5b50\u6548\u7387\u63d0\u5347\u81f315.84%\uff0c\u8fbe\u5230\u78b1\u91d1\u5c5e\u79bb\u5b50\u63ba\u6742FAPbI3 <\/sub>PeLEDs\u7684\u6700\u9ad8\u6548\u7387\u3002\u66f4\u91cd\u8981\u7684\u662f\uff0cPeLEDs\u5de5\u4f5c\u6761\u4ef6\u4e0b\u8010\u4e45\u6027\u53ef\u4e0eNIR OLEDs\u5ab2\u7f8e\uff0c\u534a\u8870\u671f\u5b9e\u73b0\u8d85\u8fc73600\u5206\u949f\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cStabilizing Perovskite Light-Emitting Diodes by Incorporation of Binary Alkali Cations<\/b><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Adv. Mater.<\/b><\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe\u4e00\u3001FAPbI<\/b><\/strong>3<\/b><\/sub><\/strong>\u57faPeLEDs<\/b><\/strong>\u6027\u80fd\u8868\u5f81\u53ca\u5de5\u4f5c\u6761\u4ef6\u4e0b\u7684\u6027\u80fd\u8870\u51cf<\/b><\/strong>\"\"<\/b><\/strong>\uff08a\uff09FAPbI3<\/sub>\u57faPeLEDs\u7535\u6d41\u5bc6\u5ea6-\u7535\u538b\u66f2\u7ebf\u4e0e\u8f90\u7167\u5ea6-\u7535\u538b\u66f2\u7ebf;<\/p>\n

\uff08b\uff09FAPbI3<\/sub>\u57faPeLEDs\u7684\u5916\u91cf\u5b50\u6548\u7387-\u7535\u6d41\u5bc6\u5ea6\u66f2\u7ebf\u4e0e\u80fd\u91cf\u8f6c\u6362\u6548\u7387-\u7535\u6d41\u5bc6\u5ea6\u66f2\u7ebf\uff1b<\/p>\n

\uff08c\uff09\u5668\u4ef6\u5728\u6052\u5b9a\u7535\u6d41\u5bc6\u5ea6\uff08100 mA cm-2<\/sup>\uff09\u4e0b\u5916\u91cf\u5b50\u6548\u7387\u548c\u8f90\u7167\u5ea6\u7684\u8870\u51cf\uff1b<\/p>\n

\uff08d\uff09\u5de5\u4f5c\u524d\uff08\u5de6\uff09\u540e\uff08\u53f3\uff09\u5668\u4ef6\u5185\u90e8\u79bb\u5b50\u5206\u5e03\u3002<\/p>\n

\u00a0<\/b><\/strong>\u56fe\u4e8c\u3001<\/b><\/strong>\u78b1\u91d1\u5c5e\u79bb\u5b50\u63ba\u6742<\/b><\/strong>\u9499\u949b\u77ff\u7684\u8584\u819c<\/b><\/strong>\u6027\u8d28<\/b><\/strong>\u8868\u5f81<\/b><\/strong>\"\"<\/b><\/strong>\uff08a-d\uff09FA\uff0cFACs\uff0cFARb\u548cFACsRb\u8584\u819c\u7684SEM\u56fe\u50cf\uff1b<\/p>\n

\uff08e\uff0cf\uff09\u8584\u819cXRD\u8c31\u56fe\u548cPL\u5149\u8c31\uff1b<\/p>\n

\uff08g\uff09A\u4f4d\u78b1\u91d1\u5c5e\u79bb\u5b50\u5728\u8584\u819c\u4e2d\u7684\u5782\u76f4\u6df1\u5ea6\u5206\u5e03\u3002<\/p>\n

\u00a0<\/b><\/strong>\u56fe\u4e09\u3001\u9499\u949b\u77ff<\/b><\/strong>\u6676\u683c<\/b><\/strong>\u4e2dCs<\/b><\/strong>+<\/b><\/sup><\/strong>\u548cRb<\/b><\/strong>+<\/b><\/sup><\/strong>\u7684<\/b><\/strong>\u7a33\u5b9a<\/b><\/strong>\u4f4d\u7f6e\u53ca\u5176\u5bf9\u5468\u56f4I<\/b><\/strong>\u2212<\/b><\/sup><\/strong>\u539f\u5b50\u51c0\u7535\u8377\u7684\u5f71\u54cd<\/b><\/strong>\"\"<\/b><\/strong>\uff08a-c\uff09FA\uff0cFACs\u548cFARb\u9499\u949b\u77ff\u7684\u6700\u7a33\u5b9a\u7ed3\u6784\uff1b<\/p>\n

\uff08d\uff09Cs+<\/sup>\u9633\u79bb\u5b50\u5468\u56f412\u4e2a\u90bb\u8fd1I\u2212<\/sup>\u7684\u539f\u5b50\u51c0\u7535\u8377\u4e0eFA+<\/sup>\u79bb\u5b50\u7684\u6bd4\u8f83\uff1b<\/p>\n

\uff08e\uff09Rb+<\/sup>\u9633\u79bb\u5b50\u5468\u56f48\u4e2a\u90bb\u8fd1I\u2212<\/sup>\u7684\u539f\u5b50\u51c0\u7535\u8377\u4e0eFA+<\/sup>\u79bb\u5b50\u7684\u6bd4\u8f83\u3002<\/p>\n

\u00a0<\/b><\/strong>\u56fe\u56db\u3001<\/b><\/strong>\u78b1\u91d1\u5c5e\u79bb\u5b50\u63ba\u6742FAPbI3<\/sub><\/b><\/strong>\u00a0PeLEDs<\/b><\/strong>\u5668\u4ef6<\/b><\/strong>\u6027\u80fd<\/b><\/strong>\u8868\u5f81<\/b><\/strong>\"\"<\/b><\/strong>\uff08a\uff0cb\uff09FA\u3001FACs\u3001FARb\u548cFACsRb PeLEDs\u7684\u5916\u91cf\u5b50\u6548\u7387-\u7535\u6d41\u5bc6\u5ea6\u66f2\u7ebf\u548c\u80fd\u91cf\u8f6c\u6362\u6548\u7387-\u7535\u6d41\u5bc6\u5ea6\u66f2\u7ebf\uff1b<\/p>\n

\uff08c\uff09FACsRb\u5668\u4ef6\u7684\u7535\u6d41\u5bc6\u5ea6-\u7535\u538b\u66f2\u7ebf\u548c\u8f90\u7167\u5ea6-\u7535\u538b\u66f2\u7ebf\uff1b<\/p>\n

\uff08d\uff09FACsRb\u5668\u4ef6\u7684\u6700\u5927\u5916\u91cf\u5b50\u6548\u7387\u7edf\u8ba1\u5206\u5e03\u56fe\u3002<\/p>\n

\u00a0<\/b><\/strong>\u56fe\u4e94\u3001\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/b><\/strong>\"\"\uff08a\uff09\u6052\u5b9a\u7535\u6d41\u5bc6\u5ea6\uff08100 mA cm-2<\/sup>\uff09\u4e0b FA\u3001FACs\u3001FARb\u548cFACsRb\u5668\u4ef6\u5916\u91cf\u5b50\u6548\u7387\u8870\u51cf\u66f2\u7ebf\uff1b<\/p>\n

\uff08b\uff0cc\uff09\u5de5\u4f5c\u524d\uff08\u5de6\uff09\u540e\uff08\u53f3\uff09FACsRb\u5668\u4ef6\u5185\u90e8\u79bb\u5b50\u5206\u5e03\u3002<\/p>\n

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

\u00a0\u00a0\u00a0\u672c\u6587\u4f5c\u8005\u7814\u7a76\u4e86FAPbI3<\/sub>\u57faPeLEDs\u5728\u5de5\u4f5c\u6761\u4ef6\u4e0b\u5668\u4ef6\u7684\u8870\u51cf\u53ca\u964d\u89e3\u673a\u7406\uff0c\u5e76\u63a2\u8ba8\u4e86\u7ec4\u5206\u8c03\u63a7\u63d0\u9ad8PeLEDs\u5de5\u4f5c\u7a33\u5b9a\u6027\u7684\u65b9\u6cd5\u3002\u901a\u8fc7TOF-SIMS\u5206\u6790\u4e3aPeLEDs\u5de5\u4f5c\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u79bb\u5b50\u8fc1\u79fb\u63d0\u4f9b\u4e86\u76f4\u63a5\u8bc1\u636e\u3002\u540c\u65f6\uff0c\u7814\u7a76\u4e86FA\u57fa\u9499\u949b\u77ff\u4e2d\u78b1\u91d1\u5c5e\u9633\u79bb\u5b50\u5bf9\u79bb\u5b50\u8fc1\u79fb\u548c\u5668\u4ef6\u5de5\u4f5c\u7a33\u5b9a\u6027\u7684\u5f71\u54cd\uff0c\u53d1\u73b0\u53cc\u78b1\u91d1\u5c5e\u79bb\u5b50\u5171\u63ba\u6742\u663e\u8457\u63d0\u9ad8\u4e86\u9499\u949b\u77ff\u8584\u819c\u8d28\u91cf\u548cPeLEDs\u5668\u4ef6\u6027\u80fd\u3002\u7279\u522b\u7684\u662f\uff0c\u9499\u949b\u77ff\u4f53\u76f8\u4e2d\u7684Cs+<\/sup>\u548c\u6676\u754c\u3001\u8868\u9762\u7684Rb+<\/sup>\u6709\u6548\u6291\u5236\u4e86I–<\/sup>\u7a7a\u4f4d\u7684\u5f62\u6210\uff0c\u540c\u65f6\u963b\u788d\u4e86I–<\/sup>\u5728\u4f53\u76f8\u548c\u6676\u754c\u7684\u8fc1\u79fb\u3002\u53cc\u78b1\u91d1\u5c5e\u79bb\u5b50\u63ba\u6742\u540eNIR\u00a0PeLEDs\u83b7\u5f97\u4e8615.84%\u7684\u5916\u91cf\u5b50\u6548\u7387\uff0c\u534a\u8870\u671f\u8fbe\u52303600\u5206\u949f\u3002\u8be5\u5de5\u4f5c\u4e3a\u5236\u5907\u9ad8\u6548\u7a33\u5b9aPeLEDs\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u7684\u65b9\u6cd5\u3002<\/p>\n

\u00a0<\/b><\/strong>\u6587\u732e\u94fe\u63a5\uff1a\u201cStabilizing Perovskite Light-Emitting Diodes by Incorporation of Binary Alkali Cations<\/a>\u201d (Adv. Mater.<\/b><\/strong>\uff0c<\/b><\/strong>2020\uff0cDOI:10.1002\/adma.201907786)<\/b><\/strong><\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4ebaCYM\u7f16\u8bd1\u4f9b\u7a3f\u3002<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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