{"id":51390,"date":"2018-01-19T09:07:26","date_gmt":"2018-01-19T09:07:26","guid":{"rendered":""},"modified":"2018-01-19T09:07:26","modified_gmt":"2018-01-19T09:07:26","slug":"","status":"publish","type":"post","link":"https:\/\/www.cnledw.com\/info\/newsdetail-51390.html","title":{"rendered":"\u745e\u58eb\u7814\u7a76\uff1a\u65b0\u578b\u91cf\u5b50\u70b9\u4f7fLED\u66f4\u4eae\u3001\u53cd\u5e94\u901f\u5ea6\u66f4\u5feb"},"content":{"rendered":"

\u4e3a\u4e86\u6fc0\u53d1\u66f4\u591a\u989c\u8272\u7684\u5149\uff0c\u79d1\u5b66\u5bb6\u4e00\u76f4\u5728\u7814\u7a76\u91cf\u5b50\u70b9\uff08Quantum Dots\uff0cDQ\uff09\uff0c\u800c\u6709\u745e\u58eb\u7814\u7a76\u56e2\u961f\u53d1\u73b0\u94ef\u94c5\u5364\u5316\u7269\uff08Caesium Lead Halide\uff09\u7684\u91cf\u5b50\u70b9\u53ef\u4ee5\u4f7f\u5f97LED<\/font><\/a>\u66f4\u4eae\u3001\u70b9\u4eae\u901f\u5ea6\u66f4\u5feb\u3002<\/span><\/p>\n

\u91cf\u5b50\u70b9\u662f\u4e00\u79cd\u5948\u7c73\u5fae\u6676\u4f53\uff08Nanocrystal\uff09\u534a\u5bfc\u4f53\u6750\u8d28\uff0c\u5176\u76f4\u5f84\u4ec5\u67092~10nm\uff0c\u76f8\u5f53\u4e8e10~50\u4e2a\u539f\u5b50\u5bbd\u5ea6\u800c\u5df2\u3002\u745e\u58eb\u7814\u7a76\u56e2\u961f\u7814\u53d1\u51fa\u7684\u5948\u7c73\u5fae\u6676\u4f53\u662f\u7531\u94ef\u94c5\u5364\u5316\u7269\u7ec4\u6210\uff0c\u5e76\u4ee5\u9499\u949b\u77ff\u6676\u683c\uff08Perovskite Lattice\uff09\u6392\u5217\u3002<\/span><\/p>\n

\u7814\u7a76\u4eba\u5458\u4e4b\u4e00\u7684\u82cf\u9ece\u4e16\u8054\u90a6\u7406\u5de5\u5b66\u9662\u6559\u6388Maksym Kovalenko\u8868\u793a\uff0c\u8fd9\u79cd\u5948\u7c73\u5fae\u6676\u4f53\u53d7\u5149\u5b50\u6fc0\u53d1\u540e\u53ef\u4ee5\u5feb\u901f\u53d1\u5149\u3002Kovalenko\u501f\u7531\u6539\u53d8\u5948\u7c73\u5fae\u6676\u4f53\u7684\u7ec4\u6210\u548c\u5927\u5c0f\uff0c\u53ef\u4ee5\u6fc0\u53d1\u51fa\u4e0d\u540c\u6ce2\u6bb5\u7684\u53ef\u89c1\u5149\uff0c\u5e76\u5e94\u7528\u4e8eLED\u548c\u663e\u793a\u5668\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u7531\u84dd\u8272\u6fc0\u5149\u6fc0\u53d1\u7684\u7eff\u8272\u53d1\u5149\u9499\u949b\u77ff\u91cf\u5b50\u70b9\u6837\u54c1<\/span><\/strong><\/p>\n

\u6839\u636e\u4ee5\u5f80\u7684\u7814\u7a76\uff0c\u91cf\u5b50\u70b9\u5728\u5ba4\u6e29\u4e0b\u88ab\u6fc0\u53d1\u540e\uff0c\u5927\u7ea620\u5341\u4ebf\u5206\u4e4b\u4e00\u79d2\uff08Nanoseconds\uff09\u540e\u53d1\u5149\uff1b\u800c\u94ef\u94c5\u5364\u5316\u7269\u91cf\u5b50\u70b9\u540c\u6837\u5728\u5ba4\u6e29\u4e0b\u88ab\u6fc0\u53d1\u540e\uff0c\u5927\u7ea6\u53ea\u8981\u5341\u4ebf\u5206\u4e4b\u4e00\u79d2\u5c31\u4f1a\u53d1\u5149\u3002\u76f8\u8f83\u4e4b\u4e0b\uff0c\u94c5\u94ef\u5364\u5316\u7269\u91cf\u5b50\u70b9\u53cd\u5e94\u901f\u5ea6\u76f8\u5f53\u5feb\u3002<\/span><\/p>\n

\u6750\u6599\u5de5\u7a0b\u6559\u6388David Norris\u89e3\u91ca\uff0c\u5229\u7528\u5149\u5b50\uff08Photon\uff09\u6fc0\u53d1\u5948\u7c73\u5fae\u6676\u4f53\u53ef\u4ee5\u4f7f\u7535\u5b50\u79bb\u5f00\u539f\u6765\u6676\u683c\u7684\u4f4d\u7f6e\uff0c\u4ea7\u751f\u7a7a\u7a74\uff1b\u800c\u7535\u5b50—\u7535\u6d1e\u5bf9\uff08Electron-Hole Pair\uff09\u5904\u4e8e\u6fc0\u53d1\u6001\uff0c\u82e5\u7535\u5b50—\u7535\u6d1e\u6062\u590d\u5230\u57fa\u6001\uff08Ground State\uff09\u624d\u4f1a\u53d1\u5149\u3002<\/span><\/p>\n

\u4e0d\u8fc7\u5927\u90e8\u5206\u7684\u91cf\u5b50\u70b9\u6750\u6599\u7686\u4f1a\u5904\u4e8eDark State\uff0c\u4e5f\u5c31\u65e0\u6cd5\u5438\u6536\u5149\u5b50\u7684\u72b6\u6001\uff0c\u4f7f\u5f97\u7535\u5b50—\u7535\u6d1e\u5bf9\u65e0\u6cd5\u6062\u590d\u5230\u57fa\u6001\uff0c\u56e0\u6b64\u53d1\u5149\u65f6\u95f4\u53d7\u5230\u4e86\u9650\u5236\u800c\u53d1\u751f\u5ef6\u8fdf\u3002\u800c\u94ef\u94c5\u5364\u5316\u7269\u91cf\u5b50\u70b9\u5219\u4e0d\u5e38\u6709Dark State\uff0c\u56e0\u6b64\u53ef\u4ee5\u7acb\u5373\u53d1\u5149\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u94c5\u94ef\u5364\u5316\u7269\u91cf\u5b50\u70b9\u53cd\u5e94\u901f\u5ea6\u5feb\u3001\u88ab\u6fc0\u53d1\u540e\u7684\u5149\u4e5f\u8f83\u4eae\u3002\uff08\u6587\uff1aLEDinside Annie\uff09<\/span><\/p>\n

\n\u66f4\u591aLED\u76f8\u5173\u8d44\u8baf\uff0c\u8bf7\u70b9\u51fbLED\u7f51\u6216\u5173\u6ce8\u5fae\u4fe1\u516c\u4f17\u8d26\u53f7\uff08cnledw2013\uff09\u3002<\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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