{"id":244454,"date":"2022-11-29T06:58:08","date_gmt":"2022-11-28T22:58:08","guid":{"rendered":"\/\/m.iemloyee.com\/?p=244454"},"modified":"2022-11-28T18:58:16","modified_gmt":"2022-11-28T10:58:16","slug":"%e9%a6%96%e5%b0%94%e5%a4%a7%e5%ad%a6nature%ef%bc%9a%e4%b8%80%e7%9f%b3%e4%ba%8c%e9%b8%9f%ef%bc%8c%e5%ae%9e%e7%8e%b0%e8%b6%85%e4%ba%ae%e9%92%99%e9%92%9b%e7%9f%bf%e5%8f%91%e5%85%89%e4%ba%8c%e6%9e%81","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=244454","title":{"rendered":"\u9996\u5c14\u5927\u5b66Nature\uff1a\u4e00\u77f3\u4e8c\u9e1f\uff0c\u5b9e\u73b0\u8d85\u4eae\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1"},"content":{"rendered":"
\u94c5\u57fa\u5364\u7d20\u9499\u949b\u77ff\u6750\u6599\u5177\u6709\u4f18\u5f02\u7684\u5149\u5b66\u6027\u80fd\uff0c\u662f\u5b9e\u73b0\u9ad8\u6548\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u4e0d\u4e8c\u9009\u62e9\u3002\u7136\u800c\uff0c\u63d0\u5347\u57fa\u4e8e\u9499\u949b\u77ff\u7684\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u6027\u80fd\u4ecd\u56f0\u96be\u91cd\u91cd\u3002\u5176\u4e2d\uff0c\u6700\u5927\u7684\u6311\u6218\u5728\u4e8e\u5982\u4f55\u5b9e\u73b0\u8f7d\u6d41\u5b50\u9650\u57df\u4ee5\u63d0\u5347\u53d1\u5149\u6548\u7387\u7684\u540c\u65f6\u4fdd\u6301\u826f\u597d\u7684\u7535\u8377\u8f93\u8fd0\u80fd\u529b\u3002\u8fd9\u662f\u83b7\u5f97\u9ad8\u6d41\u660e\u3001\u9ad8\u6548\u7387\u3001\u957f\u5bff\u547d\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u5173\u952e\u3002<\/p>\n
\u8fd1\u65e5\uff0c\u9996\u5c14\u5927\u5b66 Tae-Woo Lee\u56e2\u961f\u5728Nature<\/em>\u53d1\u8868\u4e86\u65b0\u7684\u7814\u7a76\u8bba\u6587\uff0c\u901a\u8fc7\u914d\u4f53\u4e0e\u4e09\u7ef4\u5927\u5c3a\u5bf8\u9499\u949b\u77ff\u6676\u4f53\u95f4\u7684\u539f\u4f4d\u53cd\u5e94\uff0c\u6210\u529f\u83b7\u5f97\u4e86\u5c3a\u5bf8\u572810 nm\u5177\u6709\u5f3a\u8f7d\u6d41\u5b50\u9650\u57df\u6548\u5e94\u7684\u6838\u58f3\u7ed3\u6784\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u3002\u5229\u7528\u914d\u4f53\uff08\u82c4\u57fa\u78f7\u9178\uff0cBPA\uff09\u4e0e\u6676\u4f53\u8868\u9762\u7684\u7f3a\u9677\u914d\u4f4d\uff0c\u5c06\u5927\u6676\u7c92\uff08~205 nm\uff09\u5206\u88c2\u4e3a\u7eb3\u7c73\u6676\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u5bf9\u8f7d\u6d41\u5b50\u7684\u9650\u57df\u3002\u540c\u65f6\uff0cBPA\u4e0e\u6676\u4f53\u8868\u9762\u6b20\u914d\u4f4d\u7684Pb\u539f\u5b50\u5f62\u6210\u5171\u4ef7\u952e\u4ece\u800c\u5927\u5e45\u964d\u4f4e\u4e86\u7f3a\u9677\u5bc6\u5ea6\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86\u53d1\u5149\u6548\u7387\u3002\u5728\u5168\u90e8\u53cd\u5e94\u8fc7\u7a0b\u4e2d\uff0c\u907f\u514d\u4e86\u957f\u94fe\u7edd\u7f18\u6027\u914d\u4f53\u7684\u5f15\u5165\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86\u826f\u597d\u7684\u7535\u8377\u8f93\u8fd0\u7279\u6027\u3002\u8be5\u7b56\u7565\u5b8c\u7f8e\u7684\u5b9e\u73b0\u4e86\u5f3a\u8f7d\u6d41\u5b50\u9650\u57df\u548c\u9ad8\u6548\u7535\u8377\u8f93\u8fd0\u7684\u7ed3\u5408\u3002\u8fdb\u4e00\u6b65\u7684\u6d4b\u8bd5\u8868\u660e\uff0c\u57fa\u4e8e\u8be5\u6838\u58f3\u7ed3\u6784\u7eb3\u7c73\u6676\u6240\u5236\u5907\u7684\u53d1\u5149\u4e8c\u6781\u7ba1\u5728\u76f8\u5e94\u6d4b\u8bd5\u6761\u4ef6\u4e0b\u53ef\u5206\u522b\u5b9e\u73b028.9%\u7684\u5916\u91cf\u5b50\u6548\u7387\u548c\u9ad8\u8fbe473990\u2009cd\u2009m\u22122<\/sup>\u7684\u4eae\u5ea6\u3002\u4f18\u79c0\u7684\u7535\u8377\u8f93\u8fd0\u7279\u6027\u5927\u5e45\u964d\u4f4e\u4e86\u9a71\u52a8\u7535\u538b\u3002\u76f8\u6bd4\u672a\u4f5c\u5904\u7406\u7684\u9499\u949b\u77ff\u8584\u819c\u53d1\u5149\u4e8c\u6781\u7ba1\uff0c\u57fa\u4e8e\u6838\u58f3\u7ed3\u6784\u9499\u949b\u77ff\u7684\u53d1\u5149\u4e8c\u6781\u7ba1\u7684T50<\/sub>\uff08\u6548\u7387\u964d\u81f3\u521d\u59cb\u6548\u7387\u768450%\u6240\u5bf9\u5e94\u7684\u65f6\u95f4\uff1a14\u5c0f\u65f6@10000\u2009cd\u2009m\u22122<\/sup>\uff09\u5927\u5927\u5ef6\u957f\u3002<\/p>\n \u76f8\u5173\u7814\u7a76\u6587\u7ae0\u4ee5\u201cUltra-bright, efficient and stable perovskite light-emitting diodes\u201d<\/i><\/em>\u4e3a\u9898\u53d1\u8868\u5728Nature<\/i><\/em>\u4e0a\u3002<\/p>\n \u901a\u8fc7\u77ed\u94fe\u914d\u4f53\u5bf9\u5927\u5c3a\u5bf8\u9499\u949b\u77ff\u6676\u7c92\u7684\u539f\u4f4d\u5206\u88c2\u4ee5\u83b7\u5f97\u7eb3\u7c73\u6676\uff0c\u540c\u65f6\u5b9e\u73b0\u4e86\u5f3a\u8f7d\u6d41\u5b50\u9650\u57df\u548c\u9ad8\u7684\u7535\u8377\u8f93\u8fd0\u7279\u6027\u3002<\/p>\n \u56fe1.<\/strong>\u00a0BPA\u539f\u4f4d\u5904\u7406\u8fc7\u7a0b\u4e2d\u9010\u6e10\u51fa\u73b0\u9499\u949b\u77ff\u6838\u58f3\u7ed3\u6784\u3002(a) \u539f\u4f4d\u53cd\u5e94\u751f\u6210\u6838\u58f3\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u7684\u793a\u610f\u56fe\u3002(b-e)\u539f\u4f4d\u53cd\u5e94\u4e0d\u540c\u65f6\u95f4\u540e\u751f\u6210\u6838\u58f3\u7ed3\u6784\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u7684TEM\u7167\u7247 (b: 1 s, c: 10 s, d: 20 s, e: 30 s )\u3002(f-h) b-d\u4e2d\u6240\u9009\u533a\u57df\u7684\u9ad8\u5206\u8fa8TEM\u7167\u7247\u3002(i) e\u4e2d\u6240\u9009\u533a\u57df\u7684\u9ad8\u5206\u8fa8HAADF-STEM\uff0c\u53ef\u4ee5\u770b\u51fa\u5728\u6838\u58f3\u7ed3\u6784\u4e2d\u7684\u9499\u949b\u77ff\u548cBPA\u95f4\u7684\u754c\u9762\u3002(j) \u6838\u58f3\u7ed3\u6784\u4e2d\u6838\u5fc3\u90e8\u5206\u7684\u539f\u5b50\u5206\u8fa8HAADF-STEM\u3002(k) \u6838\u58f3\u7ed3\u6784\u754c\u9762\u5904\u7684\u9ad8\u5206\u8fa8STEM\u3002(i) k\u4e2dA\u3001B\u5904\u7684EEL\u8c31 \u00a9The Authors<\/p>\n \u56fe2. <\/strong>BPA\u914d\u4f53\u5bf9\u9499\u949b\u77ff\u7684\u8868\u9762\u5305\u8986\u3002(a) BPA\u4e2dO1s<\/i><\/em>\u82af\u80fd\u7ea7\u7684XPS\u80fd\u8c31\u3002(b) \u539f\u4f4d\u9499\u949b\u77ff\u9897\u7c92\u4e2dO1s<\/i><\/em>\u82af\u80fd\u7ea7\u7684XPS\u80fd\u8c31\u3002(c) \u539f\u4f4d\u6838\u58f3\u7ed3\u6784\u9499\u949b\u77ff\u4e2dO1s<\/i><\/em>\u82af\u80fd\u7ea7\u7684XPS\u80fd\u8c31\u3002(d) \u7531UPS\u83b7\u5f97\u7684\u521d\u59cb\u4e09\u7ef4\u9499\u949b\u77ff\u3001\u539f\u4f4d\u9499\u949b\u77ff\u9897\u7c92\u548c\u539f\u4f4d\u6838\u58f3\u7ed3\u6784\u9499\u949b\u77ff\u7684\u80fd\u7ea7\u56fe \u00a9The Authors<\/p>\n \u56fe3.<\/strong>\u00a0BPA\u5904\u7406\u540e\u7684\u7f3a\u9677\u949d\u5316\u53ca\u9499\u949b\u77ff\u53d1\u5149\u6027\u80fd\u7684\u6f14\u5316\u3002(a-b) \u521d\u59cb\u9499\u949b\u77ff\u3001\u539f\u4f4d\u9499\u949b\u77ff\u9897\u7c92\u548c\u539f\u4f4d\u6838\u58f3\u7ed3\u6784\u9499\u949b\u77ff\u7684\u7a33\u6001\u548c\u65f6\u95f4\u5206\u8fa8\u5149\u8c31\u3002(c-e) \u4e0d\u540c\u6e29\u5ea6\u4e0b\u521d\u59cb\u9499\u949b\u77ff\u3001\u539f\u4f4d\u9499\u949b\u77ff\u9897\u7c92\u548c\u539f\u4f4d\u6838\u58f3\u7ed3\u6784\u9499\u949b\u77ff\u7684\u4e8c\u7ef4\u53d1\u5c04\u5149\u8c31\u00a0\u00a9The Authors<\/p>\n \u56fe4. <\/strong>BPA\u5904\u7406\u540e\u7684\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u7535\u81f4\u53d1\u5149\u7279\u6027\u3002(a) \u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u80fd\u7ea7\u793a\u610f\u56fe\u3002(b) \u6d41\u660e\u968f\u9a71\u52a8\u7535\u538b\u7684\u53d8\u5316\u3002(c) \u5916\u91cf\u5b50\u6548\u7387\u968f\u6d41\u660e\u53d8\u5316\u3002(d) 40\u4e2a\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u5916\u91cf\u5b50\u6548\u7387\u7684\u7edf\u8ba1\u56fe\u3002(e) \u5df2\u62a5\u9053\u7684\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u6d41\u660e\u548c\u5916\u91cf\u5b50\u6548\u7387\u3002(f) \u5de5\u4f5c\u4e2d\u7684\u5927\u9762\u79ef\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u3002(g) \u4e0d\u540c\u521d\u59cb\u4eae\u5ea6\u4e0b\u6838\u58f3\u7ed3\u6784\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u6d41\u660e\u968f\u65f6\u95f4\u7684\u53d8\u5316\u3002(h) \u6838\u58f3\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u5728\u52a0\u901f\u8001\u5316\u6d4b\u8bd5\u4e2d\u7684\u534a\u8870\u671f\u968f\u521d\u59cb\u4eae\u5ea6\u7684\u53d8\u5316\u3002(i) \u5df2\u62a5\u9053\u7684\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u5916\u91cf\u5b50\u6548\u7387\u548c\u534a\u8870\u671f \u00a9The Authors<\/p>\n \u7efc\u4e0a\uff0c\u867d\u7136\u9499\u949b\u77ff\u6750\u6599\u76ee\u524d\u4ecd\u96be\u4ee5\u50cf\u4f20\u7edf\u534a\u5bfc\u4f53\u90a3\u6837\u6784\u5efa\u7531\u4e0d\u540c\u79cd\u534a\u5bfc\u4f53\u7ec4\u6210\u7684\u65e0\u673a\u5f02\u8d28\u6838\u58f3\u7ed3\u6784\uff0c\u4f46\u901a\u8fc7\u548c\u6709\u673a\u914d\u4f53\u7684\u76f8\u4e92\u914d\u5408\u4ecd\u53ef\u8fbe\u5230\u751a\u81f3\u8d85\u8d8a\u4f20\u7edf\u6838\u58f3\u7ed3\u6784\u7684\u6027\u80fd\u3002\u672c\u6587\u4e3a\u63a2\u7d22\u65b0\u7684\u9499\u949b\u77ff-\u6709\u673a\u914d\u4f53\u6307\u660e\u4e86\u65b9\u5411\u3002<\/p>\n <\/p>\n \u539f\u6587\u8be6\u60c5<\/strong>\uff1aUltra-bright, efficient and stable perovskite light-emitting diodes,\u00a0Nature, 2022,<\/p>\n DOI: 10.1038\/s41586-022-05304-w<\/p>\n","protected":false},"excerpt":{"rendered":" \u3010\u5bfc\u8bfb\u3011 \u94c5\u57fa\u5364\u7d20\u9499\u949b\u77ff\u6750\u6599\u5177\u6709\u4f18\u5f02\u7684\u5149\u5b66\u6027\u80fd\uff0c\u662f\u5b9e\u73b0\u9ad8\u6548\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u4e0d\u4e8c\u9009\u62e9\u3002\u7136\u800c\uff0c\u63d0\u5347\u57fa\u4e8e\u9499\u949b\u77ff\u7684\u53d1\u5149\u4e8c\u6781\u7ba1\u7684\u6027\u80fd\u4ecd\u56f0\u96be\u91cd\u91cd\u3002\u5176\u4e2d\uff0c\u6700\u5927\u7684\u6311\u6218\u5728\u4e8e\u5982\u4f55\u5b9e\u73b0\u8f7d…<\/p>\n","protected":false},"author":38781,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-244454","post","type-post","status-publish","format-standard","hentry","category-keji"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/244454"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/38781"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=244454"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/244454\/revisions"}],"predecessor-version":[{"id":244463,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/244454\/revisions\/244463"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=244454"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=244454"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=244454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<\/p>\n
\n
\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
\n