{"id":213422,"date":"2020-11-23T12:00:21","date_gmt":"2020-11-23T04:00:21","guid":{"rendered":"\/\/m.iemloyee.com\/?p=213422"},"modified":"2020-11-23T11:29:57","modified_gmt":"2020-11-23T03:29:57","slug":"%ef%bc%88%e5%b7%b2%e6%a0%a1%e7%a8%bf%e4%bb%b6%ef%bc%89%e6%b5%99%e5%a4%a7%e9%87%91%e4%b8%80%e6%94%bf%e5%9b%a2%e9%98%9f-adv-mater-%ef%bc%9a%e4%b8%80%e4%b8%be%e4%b8%a4%e5%be%97%ef%bc%81%e5%88%a9","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=213422","title":{"rendered":"\u6d59\u5927\u91d1\u4e00\u653f\u56e2\u961f Adv. Mater.\uff1a\u4e00\u4e3e\u4e24\u5f97\uff01\u5229\u7528\u7535\u5b50\u4f20\u8f93\u53cc\u5c42\u52a9\u529bQLEDs\u9ad8\u5b58\u50a8\u7a33\u5b9a\u6027\u548c\u5de5\u4f5c\u6027\u80fd"},"content":{"rendered":"
\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n \u91cf\u5b50\u70b9\u53d1\u5149\u4e8c\u6781\u7ba1\uff08QLEDs\uff09\u5177\u6709\u91cf\u5b50\u70b9\uff08QDs\uff09\u7684\u7a33\u5b9a\u3001\u9ad8\u6548\u548c\u9ad8\u8272\u7eaf\u5ea6\u53d1\u5c04\u7b49\u4f18\u70b9\uff0c\u5236\u6210\u7684\u5927\u9762\u79ef\u7535\u81f4\u53d1\u5149\u5668\u4ef6\u662f\u663e\u793a\u5668\u548c\u56fa\u6001\u7167\u660e\u5e94\u7528\u7684\u7406\u60f3\u9009\u62e9\u3002\u8fd1\u5341\u5e74\u6765\uff0cQLEDs\u7684\u6027\u80fd\u663e\u8457\u6539\u5584\u3002\u5229\u7528\u900f\u660e\u8d1f\u6781\/\u7a7a\u7a74\u6ce8\u5165\u548c\u4f20\u8f93\u5c42\/QDs\/\u6c27\u5316\u7269\u7535\u5b50\u4f20\u8f93\u5c42\uff08ETL\uff09\/\u91d1\u5c5e\u6b63\u6781\u7684\u591a\u5c42\u6df7\u5408\u7ed3\u6784\u7684\u6700\u65b0QLED\u5177\u6709\u9ad8\u6548\u7387\u548c\u957f\u4f7f\u7528\u5bff\u547d\u3002\u7136\u800c\uff0c\u76ee\u524d\u5c1a\u65e0\u62a5\u9053\u8bc1\u660eQLEDs\u80fd\u591f\u517c\u5177\u8f83\u9ad8\u7684\u5de5\u4f5c\u6027\u80fd\u548c\u8f83\u957f\u7684\u5b58\u50a8\u5bff\u547d\u3002\u9700\u6ce8\u610f\uff0c\u76ee\u524d\u9ad8\u6027\u80fd\u7684QLEDs\u5927\u591a\u5b58\u5728\u6b63\u8001\u5316\u884c\u4e3a\uff0c\u5373\u5728\u51e0\u5929\u5185\u7684\u77ed\u65f6\u95f4\u5b58\u50a8\u540e\uff0c\u5305\u62ec\u6548\u7387\u3001\u7535\u5bfc\u7387\u548c\u5de5\u4f5c\u5bff\u547d\u5728\u5185\u7684\u5668\u4ef6\u6027\u80fd\u7684\u6539\u5584\u3002\u8fd9\u79cd\u73b0\u8c61\u6697\u793aQLEDs\u7684\u50a8\u85cf\u7a33\u5b9a\u6027\u5dee\u3002\u56e0\u6b64\uff0c\u8feb\u5207\u9700\u8981\u89e3\u51b3\u6700\u5148\u8fdb\u7684QLED\u7684\u50a8\u85cf\u7a33\u5b9a\u6027\u8f83\u5dee\u7684\u65b9\u6848\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u6d59\u6c5f\u5927\u5b66\u91d1\u4e00\u653f\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u62a5\u9053\u4e86\u5728\u5e38\u7528\u7684\u5c01\u88c5\u578b\u4e19\u70ef\u9178\u6811\u8102\u4e2d\uff0c\u6709\u673a\u9178\u5f15\u53d1\u7684\u539f\u4f4d\u53cd\u5e94\u4f1a\u5bfc\u81f4\u6b63\u8001\u5316\u3002\u6700\u91cd\u8981\u7684\u662f\uff0c\u539f\u4f4d\u53cd\u5e94\u7684\u8fdb\u884c\u4f1a\u4e0d\u53ef\u907f\u514d\u5730\u5bfc\u81f4\u8d1f\u8001\u5316\uff0c\u5373\u957f\u671f\u8d2e\u5b58\u540e\u5668\u4ef6\u6027\u80fd\u53d8\u5dee\u3002\u901a\u8fc7\u6df1\u5165\u7684\u673a\u7406\u7814\u7a76\uff0c\u4e3b\u8981\u96c6\u4e2d\u5728\u539f\u4f4d\u5316\u5b66\u53cd\u5e94\u548cQLEDs\u7684\u8d2e\u5b58\u8001\u5316\u884c\u4e3a\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u3002\u5728\u673a\u7406\u7814\u7a76\u7684\u57fa\u7840\u4e0a\u8bbe\u8ba1\u51fa\u4e86\u4e00\u79cd\u7535\u5b50\u4f20\u8f93\u53cc\u5c42\uff0c\u65e2\u63d0\u9ad8\u4e86\u5bfc\u7535\u6027\uff0c\u53c8\u6291\u5236\u4e86\u754c\u9762\u6fc0\u5b50\u731d\u706d\u3002\u8fd9\u79cd\u6750\u6599\u521b\u65b0\u4f7f\u5f97\u7ea2\u8272QLEDs\u5728\u50a8\u5b58180\u5929\u540e\uff0c\u8868\u73b0\u51fa\u53ef\u5ffd\u7565\u7684\u5916\u90e8\u91cf\u5b50\u6548\u7387\u53d8\u5316\uff08>20.0%\uff09\u548c\u8d85\u957f\u5de5\u4f5c\u5bff\u547d\uff08T95<\/sub>:1000 nits\u65f6\u4e3a5500 h\uff09\u3002\u8be5\u5de5\u4f5c\u4e3a\u8bbe\u8ba1\u6c27\u5316\u7269\u7535\u5b50\u4f20\u8f93\u5c42\u4e3a\u5b9e\u73b0\u8d2e\u5b58\u7a33\u5b9a\u548c\u9ad8\u6027\u80fd\u7684QLEDs\u63d0\u4f9b\u4e86\u7406\u8bba\u4f9d\u636e\uff0c\u4e5f\u4e3a\u57fa\u7840\u7814\u7a76\u548c\u5b9e\u9645\u5e94\u7528\u63d0\u4f9b\u4e86\u65b0\u7684\u8d77\u70b9\u3002\u8be5\u5de5\u4f5c\u6210\u679c\u4ee5\u9898\u4e3a\u201cShelf-Stable Quantum-Dot Light-Emitting Diodes with High Operational Performance\u201d<\/strong>\u53d1\u8868\u5728\u8457\u540d\u671f\u520aAdv. Mater.<\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00\u3001\u7ea2\u8272QLED\u7684\u6b63\u8001\u5316\u548c\u8d1f\u8001\u5316<\/strong> \uff08b-c\uff09\u5c01\u88c5\u5668\u4ef6\u7684J<\/em>–L<\/em>–V<\/em>\u7279\u6027\uff0c\u4ee5\u53ca\u5728\u5145\u6c2e\u6c14\u624b\u5957\u7bb1\u4e2d\u5b58\u653e0\u30011\u300121\u548c70\u5929\u7684\u76f8\u5e94EQE-V<\/em>\u5173\u7cfb\uff1b<\/p>\n \uff08d\uff09\u968f\u65f6\u95f4\u53d8\u5316\u7684\u8d2e\u5b58\u671f\u5cf0\u503cEQE\uff0c\u57284.0 V\u65f6\u7684\u7535\u6d41\u5bc6\u5ea6\u548c\u5f00\u542f\u7535\u538b\uff1b<\/p>\n \uff08e\uff09\u8d2e\u5b58\u5bff\u547d\u5206\u522b\u4e3a1\u300121\u548c70\u5929\u7684\u5668\u4ef6\u572810000 cd m-2<\/sup>\u4e0bT95<\/sub>\u5de5\u4f5c\u5bff\u547d\u7684\u76f4\u65b9\u56fe\u3002<\/p>\n \u56fe\u4e8c\u3001\u672a\u5c01\u88c5\u7ea2\u8272QLEDs\u548c\u9178\u5904\u7406\u7ea2\u8272QLEDs\u7684\u8d2e\u5b58\u671f\u884c\u4e3a<\/strong> \uff08b-c\uff09\u4e24\u79cd\u9178\u5904\u74061\u5929\u540eQLED\u7684J<\/em>–L<\/em>–V<\/em>\u7279\u6027\u548c\u76f8\u5e94EQE-V<\/em>\u5173\u7cfb\uff1b<\/p>\n \uff08d\uff09\u5f02\u4e01\u9178\u5904\u7406\u5668\u4ef6\u7684\u5cf0\u503cEQE\uff0c\u57284.0 V\u65f6\u7684\u7535\u6d41\u5bc6\u5ea6\u548c\u5f00\u542f\u7535\u538b\u4e0e\u8d2e\u5b58\u8001\u5316\u65f6\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n \u56fe\u4e09\u3001\u9178\u8bf1\u5bfc\u7684\u539f\u4f4d\u53cd\u5e94\u53ca\u5176\u5f71\u54cd<\/strong> \uff08b\uff09\u57281\u5929\u9178\u5904\u7406\u524d\u540e\uff0c\u7eaf\u7535\u5b50\u5668\u4ef6\uff08ITO\/Al\/Zn0.9<\/sub>Mg0.1<\/sub>O\u7eb3\u7c73\u6676\u4f53\/Ag\uff09\u7684J<\/em>–V<\/em>\u66f2\u7ebf\uff1b<\/p>\n \uff08c\uff09\u5728\u5f31\u9178\u5904\u7406\u524d\u540e\uff0cZn0.9<\/sub>Mg0.1<\/sub>O\u8584\u819c\u7684\u5085\u7acb\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31\uff1b<\/p>\n \uff08d\uff09\u6c89\u79ef\u5728\u77f3\u82f1\u57fa\u677f\u4e0a\u7684\u539f\u59cbQD\u8584\u819c\u3001QD\/Zn0.9<\/sub>Mg0.1<\/sub>O\u8584\u819c\u548c\u5f31\u9178\u5904\u7406QD\/Zn0.9<\/sub>Mg0.1<\/sub>O\u8584\u819c\u7684\u65f6\u95f4\u5206\u8fa8PL\u8870\u51cf\uff1b<\/p>\n \uff08e\uff09\u5728\u9971\u548c\u7684\u5f02\u4e01\u9178\u84b8\u6c14\u5bc6\u5ea6\u4e0b\uff0c\u6c2e\u6c14\u6c1b\u4e2d\u66b4\u97327\u5929\u7684\u7ea2\u8272QLED\u7684STEM\u6a2a\u622a\u9762\u56fe\u50cf\uff1b<\/p>\n \uff08f\uff09\u4e0e\u4e0d\u540c\u91cf\u7684\u5f02\u4e01\u9178\u53cd\u5e94\u540e\uff0cZn0.9<\/sub>Mg0.1<\/sub>O\u8584\u819c\u7684\u5438\u5149\u5ea6\uff1b<\/p>\n \uff08g\uff09\u968f\u65f6\u95f4\u53d8\u5316\u7684\u6c34\u542b\u91cf\uff0c\u5c06\u5f02\u4e01\u9178\u6ce8\u5165\u88c5\u6709Zn0.9<\/sub>Mg0.1<\/sub>O\u8584\u819c\u7684\u5bc6\u5c01\u73bb\u7483\u74f6\u4e2d\u540e12 min\u5185\u6c34\u542b\u91cf\u660e\u663e\u589e\u52a0\u3002<\/p>\n \u56fe\u56db\u3001C-ZnO\u548cO-ZnO\u7684\u8bbe\u8ba1<\/strong> \uff08b\uff09QD\/Zn0.9<\/sub>Mg0.1<\/sub>O\u3001QD\/O-ZnO\u548cQD\u8584\u819c\u5728\u65f6\u95f4\u4e0a\u5bf9\u5e94\u7684PL\u8870\u51cf\uff1b<\/p>\n \uff08c\uff09O-ZnO\u7eb3\u7c73\u6676\u4f53\u7684\u5178\u578bTEM\u56fe\u50cf\uff1b<\/p>\n \uff08d\uff09\u6eb6\u6db2\u4e2dO-ZnO\u7eb3\u7c73\u6676\u4f53\u548cZn0.9<\/sub>Mg0.1<\/sub>O\u7eb3\u7c73\u6676\u4f53\u7684\u5438\u6536\u5149\u8c31\u548cPL\u5149\u8c31\uff1b<\/p>\n \uff08e\uff09C-ZnO\u7eb3\u7c73\u6676\u4f53\u7684\u5178\u578bTEM\u56fe\u50cf\uff1b<\/p>\n \uff08f\uff09\u57fa\u4e8eC-ZnO\u7eb3\u7c73\u6676\u4f53\u6216Zn0.9<\/sub>Mg0.1<\/sub>O\u7eb3\u7c73\u6676\u4f53\u7684\u7eaf\u7535\u5b50\u5668\u4ef6\uff08ITO\/Al\/\u6c27\u5316\u7269\u7eb3\u7c73\u6676\u4f53\uff08150 nm\uff09\/Ag\uff09\u7684J<\/em>–V<\/em>\u66f2\u7ebf\u3002<\/p>\n \u56fe\u4e94\u3001\u5177\u6709\u53cc\u5c42\u6c27\u5316\u7269ETL\u7684\u8d2e\u5b58\u7a33\u5b9a\u7684\u7ea2\u8272QLEDs<\/strong> \uff08b-c\uff09\u65b0\u5236\u5668\u4ef6\u548c\u8d2e\u5b58180\u5929\u540e\u5668\u4ef6\u7684J<\/em>–L<\/em>–V<\/em>\u7279\u6027\uff0c\u4ee5\u53ca\u76f8\u5e94EQE-L<\/em>\u5173\u7cfb\uff1b<\/p>\n \uff08d\uff09\u4ee5\u6052\u6d41\u6a21\u5f0f\u9a71\u52a8\u7684\u65b0\u5668\u4ef6\u548c\u8d2e\u5b58\u8001\u5316\u5668\u4ef6\uff08180\u5929\uff09\u7684\u7a33\u5b9a\u6027\u5bf9\u6bd4\uff1b<\/p>\n \uff08e\uff09\u4e24\u4e2aQLEDs\u5728L0<\/sub>\u5206\u522b\u4e3a2700\u548c11800 cd m-2<\/sup>\u65f6\u7684\u957f\u671f\uff08>1000 h\uff09\u7a33\u5b9a\u6027\u6570\u636e\uff1b<\/p>\n \uff08f\uff09\u4ece20\u53f0\u65b0\u5236\u5668\u4ef6\u548c20\u53f0\u8d2e\u5b58\u8001\u5316\u5668\u4ef6\uff08100\u5929\uff09\u6d4b\u91cf\u7684T95<\/sub>\u57281000 cd m-2<\/sup>\u4e0b\u4f7f\u7528\u5bff\u547d\u7684\u76f4\u65b9\u56fe\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u8be5\u7814\u7a76\u89e3\u51b3\u4e86QLEDs\u7684\u8d2e\u5b58\u7a33\u5b9a\u6027\u95ee\u9898\u3002\u6700\u5148\u8fdb\u7684QLEDs\u6548\u7387\u9ad8\u3001\u4f7f\u7528\u5bff\u547d\u957f\uff0c\u4f46\u662f\u8d2e\u5b58\u7a33\u5b9a\u6027\u5dee\u3002\u7814\u7a76\u8868\u660e\uff0c\u6700\u5148\u8fdb\u7684QLEDs\u7684\u6218\u573a\u8001\u5316\uff08\u6b63\u5411\u8001\u5316\u548c\u8d1f\u5411\u8001\u5316\uff09\u5747\u6e90\u4e8e\u9178\u8bf1\u5bfc\u7684\u539f\u4f4d\u53cd\u5e94\u3002\u8d2e\u5b58\u8001\u5316\u7684\u673a\u7406\u4e0eQLEDs\u7684\u5de5\u4f5c\u8001\u5316\u7684\u5931\u6548\u673a\u7406\u4e0d\u540c\uff0c\u540e\u8005\u4e3b\u8981\u4e0e\u6ce8\u5165\u7535\u8377\u5f15\u8d77\u7684\u5316\u5b66\u6216\u7535\u5316\u5b66\u53cd\u5e94\u6709\u5173\u3002\u4e3a\u4e86\u6d88\u9664\u4f7f\u7528\u9178\u6027\u5c01\u88c5\u6811\u8102\uff0c\u4f5c\u8005\u8bbe\u8ba1\u4e86C-ZnO\/O-ZnO\u53cc\u5c42ETL\uff0c\u540c\u65f6\u5b9e\u73b0\u66f4\u9ad8\u7684\u7535\u5bfc\u7387\u548c\u6291\u5236\u7684\u754c\u9762\u6fc0\u5b50\u731d\u706d\u3002\u8fd9\u79cd\u65b0\u7684ETL\u5b9e\u73b0\u4e86\u8d2e\u5b58\u7a33\u5b9a\u7684\u7ea2\u8272QLEDs\uff0c\u5177\u6709\u5f88\u9ad8\u7684\u64cd\u4f5c\u6027\u80fd\u3002\u6b64\u5916\uff0c\u4f5c\u8005\u62a5\u9053\u7684\u7a33\u5b9a\u5b58\u50a8\u5668\u4ef6\u63d0\u4f9b\u4e86\u7b80\u5316\u7684\u6a21\u578b\u7cfb\u7edf\uff0c\u975e\u5e38\u9002\u5408\u8fdb\u884c\u57fa\u672c\u673a\u7406\u7814\u7a76\uff0c\u540c\u65f6\u8be5\u7a33\u5b9a\u53ef\u9760\u7684\u9ad8\u6027\u80fd\u5668\u4ef6\u4ee3\u8868\u4e86\u5f00\u53d1QLEDs\u7684\u65b0\u8d77\u70b9\u3002<\/p>\n
\n \uff08a\uff09\u5668\u4ef6\u7ed3\u6784\uff1b<\/p>\n
\n \uff08a\uff09\u672a\u5c01\u88c5\u5668\u4ef6\u5728\u5145\u6c2e\u6c14\u624b\u5957\u7bb1\u4e2d\u5b58\u653e0\u30011\u548c7\u5929\u540e\u7684J<\/em>–L<\/em>–V<\/em>\u7279\u6027\u3002<\/p>\n
\n \uff08a\uff09\u57281\u5929\u9178\u5904\u7406\u524d\u540e\uff0cXPS\u5206\u6790\u663e\u793a\u4e86ITO\/Zn0.9<\/sub>Mg0.1<\/sub>O\/Ag\u6837\u54c1\u4e2dAg\u548cZn\u7684\u76f8\u5bf9\u539f\u5b50\u6bd4\uff1b<\/p>\n
\n \uff08a\uff09QD\/Zn0.9<\/sub>Mg0.1<\/sub>O\u3001QD\/O-ZnO\u548cQD\u8584\u819c\u57282.0 eV\u65f6\u7684\u5f52\u4e00\u5316\u892a\u8272\u52a8\u529b\u5b66\u3002<\/p>\n
\n \uff08a\uff09\u6837\u54c1\u6a2a\u622a\u9762\u7684STEM-HAADF\u56fe\u50cf\uff0c\u663e\u793a\u4e86\u5668\u4ef6\u7ed3\u6784\uff1b<\/p>\n