{"id":210346,"date":"2020-09-30T06:30:35","date_gmt":"2020-09-29T22:30:35","guid":{"rendered":"\/\/m.iemloyee.com\/?p=210346"},"modified":"2020-09-29T18:16:06","modified_gmt":"2020-09-29T10:16:06","slug":"%e3%80%90%e6%8a%95%e7%a8%bf%e3%80%91%e5%8c%97%e7%a7%91%e5%a4%a7afm-%e5%9f%ba%e4%ba%8e%e8%87%aa%e7%bb%84%e8%a3%85%e9%92%99%e9%92%9b%e7%9f%bf%e7%ba%b3%e7%b1%b3%e7%ba%bf%e7%9a%84%e9%ab%98%e4%ba%ae","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=210346","title":{"rendered":"\u5317\u79d1\u5927AFM: \u57fa\u4e8e\u81ea\u7ec4\u88c5\u9499\u949b\u77ff\u7eb3\u7c73\u7ebf\u7684\u9ad8\u4eae\u5ea6\u7ea2\u8272\u53d1\u5149\u4e8c\u6781\u7ba1"},"content":{"rendered":"

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

\u91d1\u5c5e\u5364\u5316\u7269\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1(PeLEDs)\u7531\u4e8e\u5176\u9ad8\u4eae\u5ea6\u3001\u5bbd\u8272\u57df\u3001\u7a84\u5e26\u53d1\u5c04\u548c\u9ad8\u6027\u4ef7\u6bd4\u5236\u9020\u6210\u672c\u7b49\u4f18\u70b9\uff0c\u5728\u9ad8\u6e05\u663e\u793a\u6280\u672f\u9886\u57df\u800c\u5f15\u8d77\u4e86\u5e7f\u6cdb\u5173\u6ce8\u3002\u6700\u8fd1\uff0c\u7eff\u8272(~525nm)\u3001\u6df1\u7ea2(650-680nm)\u548c\u8fd1\u7ea2\u5916(~800nm)\u00a0PeLED\u5df2\u7ecf\u5b9e\u73b0\u4e8620%\u4ee5\u4e0a\u7684\u5916\u91cf\u5b50\u6548\u7387(EQE)\u3002\u7136\u800c\uff0c\u7ea2\u5149\u53d1\u5c04(620~650 nm)PeLEDs\u901a\u5e38\u662f\u901a\u8fc7\u7531\u6eb4\u548c\u7898\u9634\u79bb\u5b50\u6df7\u5408\u9499\u949b\u77ff\u5b9e\u73b0\u7684\uff0c\u6df7\u5408\u5364\u7d20\u4ea7\u751f\u7684\u7f3a\u9677\u4f4d\u70b9\u4f1a\u52a0\u5feb\u79bb\u5b50\u8fc1\u79fb\u901f\u5ea6\uff0c\u589e\u52a0\u975e\u8f90\u5c04\u635f\u5931\uff0c\u5bfc\u81f4\u5668\u4ef6\u8fd0\u884c\u65f6\u76f8\u5206\u79bb\uff0c\u5f71\u54cd\u4e86\u5b83\u4eec\u7684\u5b9e\u9645\u5e94\u7528\u3002\u76ee\u524d\uff0c\u7ea2\u5149PeLED\u7684\u8fd0\u884c\u5bff\u547d\u4ec5\u662f\u5206\u949f\u91cf\u7ea7\uff0c\u4eae\u5ea6\u4e0d\u8db32000 cd\/m2<\/sup>\uff0c\u8fd9\u4e9b\u6027\u80fd\u660e\u663e\u843d\u540e\u4e8e\u8fd1\u7ea2\u5916\u548c\u7eff\u5149PeLED\uff0c\u963b\u788d\u4e86\u4ee5PeLED\u4e3a\u57fa\u7840\u7684\u663e\u793a\u6280\u672f\u7684\u5546\u4e1a\u5316\u53d1\u5c55\u8fdb\u7a0b\u3002\u56e0\u800c\uff0c\u63a2\u7d22\u4e00\u79cd\u5177\u6709\u9ad8\u4eae\u5ea6\u548c\u9ad8\u7a33\u5b9a\u6027\u7684\u7ea2\u5149PeLED\u5177\u6709\u91cd\u8981\u7684\u610f\u4e49\u3002<\/p>\n

\u3010\u6210\u679c\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u5317\u4eac\u79d1\u6280\u5927\u5b66\u7530\u5efa\u519b\u6559\u6388\u56e2\u961f\u4e0e\u5317\u4eac\u5de5\u4e1a\u5927\u5b66\u968b\u66fc\u9f84\u6559\u6388\u3001\u5362\u5cb3\u535a\u58eb\u56e2\u961f\u5408\u4f5c\uff0c\u57fa\u4e8e\u91cf\u5b50\u9650\u57df\u6548\u5e94\uff0c\u901a\u8fc7\u7ef4\u5ea6\u5b9e\u73b0700 nm\u81f3600 nm\u7684\u53d1\u5c04\u5149\u8c31\u8c03\u63a7\uff0c\u83b7\u5f97\u81ea\u7ec4\u88c5CsPbI3<\/sub>\u7eb3\u7c73\u7ebf\u53ca\u9ad8\u4eae\u5ea6\u548c\u7a33\u5b9a\u7684\u7ea2\u5149PeLED\uff0c\u4ee5\u201cSelf-assembled Perovskite Nanowire Clusters for High Luminance Red Light-emitting Diodes<\/b><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u6700\u65b0\u4e00\u671f\u7684Adv. F<\/b><\/strong>unct<\/b><\/strong>. M<\/b><\/strong>ater<\/b><\/strong>.<\/b><\/strong>\u4e0a<\/b><\/strong>\u3002\u8fd9\u4e2a\u5de5\u4f5c\u8bbe\u8ba1\u4e86\u4e00\u79cd\u65b0\u578b\u7684\u3001\u57fa\u4e8e\u975e\u6781\u6027\u6eb6\u5242\u7684\u914d\u4f53\u8f85\u52a9\u5ba4\u6e29\u5408\u6210\uff0c\u5f00\u53d1\u51fa\u4e00\u79cd\u89c4\u6a21\u5316\u81ea\u7ec4\u88c5CsPbI3<\/sub>\u4e00\u7ef4\u7eb3\u7c73\u7ebf\u7684\u5236\u5907\u65b9\u6cd5\u3002\u8fd9\u79cd\u7eb3\u7c73\u7ebf\u7684\u53d1\u5c04\u5cf0\u4f4d\u4e8e600\u00a0nm\uff0c\u76f8\u5bf9\u4e8e3\u7ef4\u4f53\u76f8CsPbI3<\/sub>\u7684\u8fd1\u7ea2\u5916\u53d1\u5c04(~700nm)\uff0c\u663e\u793a\u51fa\u5de8\u5927\u7684\u5149\u8c31\u84dd\u79fb\uff0c\u8fd9\u5f52\u56e0\u4e8e\u7eb3\u7c73\u7ebf\u4e00\u7ef4\u65b9\u5411\u4e0a\u7684\u91cf\u5b50\u9650\u57df\u6548\u5e94\u3002\u5728\u5364\u7d20\u7a7a\u4f4d\u7f3a\u9677\u9a71\u52a8\u548c\u80fa\u914d\u4f53\u8f85\u52a9\u4f5c\u7528\u4e0b\uff0c\u7eb3\u7c73\u7ebf\u6cbf[011]\u6676\u5411\u751f\u957f\uff0c\u5e76\u53d1\u751f\u81ea\u7ec4\u88c5\uff0c\u4fc3\u8fdb\u8868\u9762\u7f3a\u9677\u7684\u81ea\u6108\u5408\uff0c\u4ece\u800c\u5b9e\u73b091%\u7684\u91cf\u5b50\u4ea7\u7387\u3002\u53c8\u7531\u4e8e\u7eb3\u7c73\u6676\u7684\u5145\u5206\u957f\u5927\u548c\u7ec4\u88c5\uff0c\u8868\u73b0\u51fa\u975e\u5e38\u4f18\u5f02\u7684\u7ed3\u6784\u7a33\u5b9a\u6027\u548c\u73af\u5883\u7a33\u5b9a\u6027\u3002\u57fa\u4e8e\u8fd9\u79cd\u81ea\u7ec4\u88c5CsPbI3<\/sub>\u7eb3\u7c73\u7ebf\u7684PeLEDs\uff0c\u5176\u7535\u81f4\u53d1\u5149\u5cf0\u4e3a620 nm\uff0cCIE\u5750\u6807\u4e3a(0.66,0.34)\uff0cEQE\u8fbe\u52306.2%\u3002\u66f4\u4e3a\u91cd\u8981\u7684\u662f\u5176\u4eae\u5ea6\u8fbe\u523013,644 cd\/m2<\/sup>\uff0c\u662f\u76ee\u524d\u7ea2\u5149PeLED\u62a5\u9053\u7684\u6700\u9ad8\u503c\u3002\u901a\u8fc7\u52a0\u901f\u8001\u5316\u7a33\u5b9a\u6027\u6d4b\u8bd5\uff0c\u672a\u5c01\u88c5\u7684\u5668\u4ef6\u5728\u521d\u59cb\u4eae\u5ea6\u4e3a11,500 cd m-2<\/sup>\u7684\u5916\u754c\u73af\u5883\u6761\u4ef6\u4e0b\u8fd0\u884c\u7684\u534a\u8870\u671f(T50<\/sub>)\u4e3a13.5\u5206\u949f\uff0c\u901a\u8fc7\u52a0\u901f\u56e0\u5b50\u8ba1\u7b97\u5f97\u5230\u5728100 cd m-2<\/sup>\u7684\u6761\u4ef6\u4e0b\u5668\u4ef6\u7684T50<\/sub>\u4e3a694\u5c0f\u65f6\u3002<\/p>\n

\u3010\u56fe\u7247\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe1. \u6676\u4f53\u7684\u7ed3\u6784\u8868\u5f81\u3002(a-c)\u4f4e\u500d\u653e\u5927\u500d\u6570\u548c(d-f)\u539f\u5b50\u5206\u8fa8\u7387\u4e0b\u7684HAADF-STEM\u56fe\u50cf:(a, d)\u5728\u5408\u6210\u7684\u6700\u521d\u9636\u6bb5\u7684\u7eb3\u7c73\u6676(NCs)\u548c\u7eb3\u7c73\u7ebf(NWs);(b, e)\u5408\u6210\u4e2d\u95f4\u9636\u6bb5\u7684NWs;\u4ee5\u53ca(c, f)\u66f4\u5927\u7684\u81ea\u7ec4\u88c5NWs(\u56e2\u7c07)\u3002HAADF-STEM\u56fe\u50cf\u5747\u6cbf[100]\u533a\u57df\u8f74\u62cd\u6444\u3002(d\u5230f)\u7684\u63d2\u56fe\u4e3a\u5bf9\u5e94\u7684FFT\u6a21\u5f0f\u3002(g)\u81ea\u7ec4\u88c5\u7684NWs\u7684TEM\u56fe\u50cf\u548c\u9009\u533a\u57df\u7535\u5b50\u884d\u5c04(SAED)\u3002<\/p>\n

\"\"<\/p>\n

\u56fe2. \u6676\u4f53\u7684\u751f\u957f\u548c\u81ea\u7ec4\u88c5\u8fc7\u7a0b\u3002(a)\u521d\u59cbNCs\u3001\u4e2d\u95f4\u76f8NWs\u548c\u81ea\u7ec4\u88c5NWs\u7684XRD\u56fe\u8c31\u3001(b) FTIR\u5149\u8c31\u548c(c)\u9ad8\u5206\u8fa8\u7387XPS\u5149\u8c31\u3002(d) NWs\u7684\u5f62\u72b6\u6f14\u5316\u81ea\u7ec4\u88c5\u8fc7\u7a0b\u7684\u793a\u610f\u56fe\u3002<\/p>\n

\"\"<\/p>\n

\u56fe3. \u7eb3\u7c73\u6676\u7684\u5149\u5b66\u7279\u6027\u3002(a)\u521d\u59cbNCs\u3001\u4e2d\u95f4\u76f8NWs\u548c\u81ea\u7ec4\u88c5NWs\u7684\u5438\u6536\u5149\u8c31\u3001(b) PL\u5149\u8c31\u548c(c)\u65f6\u95f4\u5206\u8fa8\u7684PL\u77ac\u6001\u5149\u8c31\u3002 (d)\u521d\u59cbNCs\uff0c (e)\u4e2d\u95f4NWs\u548c(f) \u81ea\u7ec4\u88c5NWs\u5728515 nm\u6fc0\u53d1\u4e0b\u7684\u77ac\u6001\u5438\u6536\u5149\u8c31\u3002<\/p>\n

\"\"<\/p>\n

\u56fe4. PeLED\u5668\u4ef6\u7684\u7ed3\u6784\u3002(a)\u57fa\u4e8e\u81ea\u7ec4\u88c5NWs\u7684PeLEDs\u7684\u7ed3\u6784\u793a\u610f\u56fe\u548c(b) STEM\u6a2a\u622a\u9762\u56fe\u3002(c)\u81ea\u7ec4\u88c5\u7684NWs\u8584\u819c\u7684PL\u548cPeLED\u5668\u4ef6\u7684EL\u3002(d)PeLED\u5668\u4ef6\u7684CIE\u5750\u6807\u3002.<\/p>\n

\"\"<\/p>\n

\u56fe5. PeLEDs\u7684\u5668\u4ef6\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002(a)\u7535\u6d41\u5bc6\u5ea6-\u4eae\u5ea6-\u7535\u538b\u66f2\u7ebf\u3002(b) EQE-\u4eae\u5ea6\u66f2\u7ebf\u3002\u6700\u5927(c) EQE\u548c(d)\u4eae\u5ea6\u7edf\u8ba1\u76f4\u65b9\u5206\u5e03\u56fe\u3002(e)\u4e0d\u540c\u5de5\u4f5c\u7535\u538b\u4e0b\u7684EL\u5149\u8c31\u3002(f)PeLED\u5668\u4ef6\u7684\u8fd0\u884c\u7a33\u5b9a\u6027\u7684\u52a0\u901f\u8001\u5316\u6d4b\u8bd5\u3002<\/p>\n

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

\u8fd9\u7bc7\u6587\u7ae0\u57fa\u4e8e\u5bf9\u914d\u4f53\u8f85\u52a9\u518d\u6c89\u6dc0\u6cd5\u8fc7\u7a0b\u4e2d\u7eb3\u7c73\u6676\u751f\u957f\u9636\u6bb5\u5f62\u6838\u548c\u540e\u7eed\u751f\u957f\u8fc7\u7a0b\u7684\u8c03\u63a7\uff0c\u901a\u8fc7\u81ea\u7ec4\u88c5\u8fc7\u7a0b\u5f97\u5230\u4e86\u5177\u6709\u9ad8\u7ea2\u5149\u8367\u5149\u91cf\u5b50\u4ea7\u7387\u7684CsPbI3<\/sub>\u7eb3\u7c73\u7ebf\uff08PLQY =\u00a091%\uff09\u3002\u5236\u5907\u7684\u7ea2\u5149\u53d1\u5c04PeLEDs\u5668\u4ef6\u5b9e\u73b0\u4e86\u8bb0\u5f55\u503c\u7684\u4eae\u5ea6\u503c\u548c\u8fd0\u884c\u7a33\u5b9a\u6027\u3002\u8be5\u5de5\u4f5c\u662f\u5168\u65e0\u673aCsPbI3<\/sub>\u7eb3\u7c73\u6676\u5728\u7ea2\u5149PeLEDs\u9886\u57df\u7684\u4e00\u4e2a\u91cd\u8981\u5de5\u4f5c\uff0c\u5c06\u4fc3\u8fdbPeLED\u5728\u53d1\u5149\u3001\u663e\u793a\u9886\u57df\u7684\u5e94\u7528\u3002<\/p>\n

\u3010\u6587\u732e\u51fa\u5904\u3011<\/strong><\/p>\n

Self\u2010Assembled Perovskite Nanowire Clusters for High Luminance Red Light\u2010Emitting Diodes. Adv. Funct. Mater., 2020, DOI: 10.1002\/adfm.202005990<\/p>\n

https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/adfm.202005990<\/u><\/a><\/p>\n

\u7530\u5efa\u519b\u6559\u6388\u548c\u5362\u5cb3\u535a\u58eb\u4e3a\u8be5\u5de5\u4f5c\u7684\u901a\u8baf\u4f5c\u8005\uff0c\u535a\u58eb\u751f\u6bd5\u6210\u6d69\u3001\u80e1\u656c\u806a\u548c\u7855\u58eb\u751f\u59da\u5fd7\u4f1f\u4e3a\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u91d1\u5c5e\u5364\u5316\u7269\u9499\u949b\u77ff\u53d1\u5149\u4e8c\u6781\u7ba1(PeLEDs)\u7531\u4e8e\u5176\u9ad8\u4eae\u5ea6\u3001\u5bbd\u8272\u57df\u3001\u7a84\u5e26\u53d1\u5c04\u548c\u9ad8\u6027\u4ef7\u6bd4\u5236\u9020\u6210\u672c\u7b49\u4f18\u70b9\uff0c\u5728\u9ad8\u6e05\u663e\u793a\u6280\u672f\u9886\u57df\u800c\u5f15\u8d77\u4e86\u5e7f\u6cdb\u5173\u6ce8\u3002\u6700\u8fd1\uff0c\u7eff\u8272(~5…<\/p>\n","protected":false},"author":11454,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-210346","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/210346"}],"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\/11454"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=210346"}],"version-history":[{"count":5,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/210346\/revisions"}],"predecessor-version":[{"id":210386,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/210346\/revisions\/210386"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=210346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=210346"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=210346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}