{"id":253011,"date":"2023-07-19T06:22:38","date_gmt":"2023-07-18T22:22:38","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=253011"},"modified":"2023-07-18T19:26:14","modified_gmt":"2023-07-18T11:26:14","slug":"acs-nano-%e7%9a%ae%e7%a7%92%e7%ba%a7%e8%b6%85%e5%bf%ab%e5%85%89%e7%94%b5%e6%b5%81%e6%8a%80%e6%9c%af%e6%8f%ad%e7%a4%ba%e9%92%99%e9%92%9b%e7%9f%bf%e7%ba%b3%e7%b1%b3%e6%99%b6%e7%9a%84%e8%bd%bd%e6%b5%81","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=253011","title":{"rendered":"ACS Nano: \u76ae\u79d2\u7ea7\u8d85\u5feb\u5149\u7535\u6d41\u6280\u672f\u63ed\u793a\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u7684\u8f7d\u6d41\u5b50\u4f20\u8f93\u673a\u5236"},"content":{"rendered":"

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

\u91d1\u5c5e\u5364\u5316\u7269\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u6750\u6599\u4e0d\u4ec5\u5728\u53d1\u5149\u5e94\u7528\u65b9\u9762\u5177\u5907\u4f18\u5f02\u7684\u6027\u80fd\uff0c\u800c\u4e14\u5df2\u5728\u5149\u4f0f\u3001\u63a2\u6d4b\u5668\u3001\u50ac\u5316\u7b49\u5e94\u7528\u9886\u57df\u5c55\u73b0\u51fa\u5de8\u5927\u7684\u6f5c\u529b\u3002\u5728\u57fa\u7840\u7814\u7a76\u65b9\u9762\uff0c\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u6750\u6599\u56e0\u5176\u660e\u663e\u7684\u5c3a\u5bf8\u6548\u5e94\u8868\u73b0\u51fa\u72ec\u7279\u7684\u7269\u5316\u6027\u8d28\uff0c\u4ea6\u5f15\u8d77\u4e86\u7814\u7a76\u8005\u4eec\u6781\u5927\u7684\u5174\u8da3\u3002\u5c24\u5176\u662f\u6211\u4eec\u4e00\u76f4\u5bf9\u4f20\u7edf\u7684\u5149\u4f0f\u6750\u6599\uff08\u4f8b\u5982\u7845\u548c\u7837\u5316\u9553\uff09\u548c\u65b0\u5174\u7684\u9499\u949b\u77ff\u6750\u6599\u5728\u8f7d\u6d41\u5b50\u4f20\u8f93\u6027\u8d28\u4e0a\u7684\u4f17\u591a\u5dee\u5f02\u8fd8\u672a\u53ef\u77e5\u3002\u56e0\u6b64\uff0c\u6df1\u5ea6\u5256\u6790\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u7684\u65e9\u671f\u6216\u77ac\u6001\u8f7d\u6d41\u5b50\u6f02\u79fb\uff08\u4f20\u8f93\uff09\u884c\u4e3a\uff0c\u63ed\u793a\u5176\u72ec\u7279\u7684\u8f7d\u6d41\u5b50\u58f0\u5b50\u6563\u5c04\u3001\u590d\u5408\u53ca\u7f3a\u9677\u6355\u83b7\u7b49\u52a8\u529b\u5b66\u673a\u5236\uff0c\u5bf9\u6750\u6599\u57fa\u7840\u7814\u7a76\u53ca\u5176\u76f8\u5e94\u7684\u5149\u7535\u5668\u4ef6\u5e94\u7528\u90fd\u81f3\u5173\u91cd\u8981\u3002\u7136\u800c\uff0c\u57fa\u4e8e\u76ee\u524d\u76f8\u5bf9\u8f83\u4e3a\u6210\u719f\u7684\u65f6\u95f4\u5206\u8fa8\u5149\u8c31\u6280\u672f\uff0c\u5c1a\u65e0\u6cd5\u5b9e\u73b0\u5728\u76ae\u79d2\u91cf\u7ea7\u5e76\u4ee5\u76f4\u63a5\u68c0\u6d4b\u8f7d\u6d41\u5b50\u7684\u65b9\u5f0f\u5bf9\u5176\u52a8\u529b\u5b66\u8fdb\u884c\u63a2\u7a76\u3002<\/p>\n

\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u52a0\u62ff\u5927Brock University\u7684Jianbo Gao\u6559\u6388\u8bfe\u9898\u7ec4\u8054\u5408\u7f8e\u56fdNREL\u548cLBNL\u7b49\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u3001Clemson University\u3001Brown University\u3001The University of Alabama\u7b49\u591a\u4e2a\u56fd\u9645\u5355\u4f4d\uff0c\u4ee5\u53ca\u534e\u4e2d\u79d1\u6280\u5927\u5b66\u3001\u5357\u5f00\u5927\u5b66\u548c\u5409\u6797\u5927\u5b66\u7b49\u591a\u4e2a\u56fd\u5185\u5355\u4f4d\uff0c\u5e94\u7528\u4e86\u4e00\u79cd\u5206\u8fa8\u7387\u5c0f\u4e8e25\u76ae\u79d2\u7684\u8d85\u5feb\u5149\u7535\u6d41\u5149\u8c31\u4eea\u6280\u672f\uff0c\u5e76\u4e14\u5bf9CsPbl3<\/sub>\u7eb3\u7c73\u6676\u7684\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66\u673a\u5236\u8fdb\u884c\u4e86\u6df1\u5ea6\u4e14\u66f4\u63a5\u8fd1\u4e8e\u5668\u4ef6\u771f\u5b9e\u5e94\u7528\u573a\u666f\u4e0b\u7684\u5206\u6790\u3002\u5229\u7528\u6b64\u8d85\u5feb\u5149\u7535\u6d41\u5149\u8c31\u4eea\u6280\u672f\uff0c\u53ef\u5f97\u51faCsPbl3<\/sub>\u7eb3\u7c73\u6676\u7684\u8f7d\u6d41\u5b50\u4f20\u8f93\u572825 ps\u5185\u4e3a\u8f7d\u6d41\u5b50-\u58f0\u5b50\u6563\u5c04\u4e3b\u5bfc\u7684\u7c7b\u5e26\u72b6\u4f20\u8f93\uff0c\u800c\u975e\u6781\u5316\u5b50\u7684\u8df3\u8dc3\u4f20\u8f93\uff1b\u572825ps\u81f3125ps\uff0c\u4e3a\u7531\u7f3a\u9677\u548c\u58f0\u5b50\u6563\u5c04\u5171\u540c\u4e3b\u5bfc\u7684\u4f20\u8f93\uff1b\u5728125ps\u540e\uff0c\u4e3b\u8981\u4e3a\u7f3a\u9677\u6355\u83b7-\u518d\u91ca\u653e\u7684\u8f93\u8fd0\u673a\u5236\u3002\u5176\u4e2d\uff0c\u8f7d\u6d41\u5b50-\u58f0\u5b50\u6563\u5c04\u4e3b\u5bfc\u7684\u7c7b\u5e26\u72b6\u4f20\u8f93\u4e5f\u53ef\u5728\u4f20\u7edf\u6750\u6599Si\u548cGaAs\u4e2d\u89c2\u5bdf\u5230\u3002\u6839\u636e\u8d85\u5feb\u5149\u7535\u6d41\u8c31\u56fe\uff0c\u53ef\u5206\u6790\u8ba1\u7b97\u5f97\u51faCsPbl3<\/sub>\u7eb3\u7c73\u6676\u8584\u819c\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u3001\u4f20\u8f93\u6d3b\u5316\u80fd\u3001\u6269\u6563\u957f\u5ea6\u548c\u5bff\u547d\u7b49\u4fe1\u606f\u3002\u5e76\u4e14\uff0c\u901a\u8fc7\u8ba1\u7b97\u5f97\u51fa\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\uff0c Ipeak<\/sub>\u221dT-n<\/sup>\uff0c\u53ef\u83b7\u5f97\u6807\u51c6\u5316\u53c2\u6570n\uff08\u7406\u8bba\u4e0a\u4e0d\u4f1a\u968f\u7740\u6d4b\u8bd5\u65b9\u6cd5\u800c\u6539\u53d8\uff09\uff0c\u5176n\u503c\u53ef\u53cd\u6620\u51fa\u58f0\u5b50\u4e0e\u8f7d\u6d41\u5b50\u7684\u76f8\u4e92\u4f5c\u7528\u5f3a\u5f31\u3002<\/p>\n

\u5728240K\u81f3380 K\u6e29\u5ea6\u533a\u95f4\u5185\uff0cCsPbI3<\/sub>\u7eb3\u7c73\u6676\u4f53\u7684n\u503c\u4e3a~2.72\uff0c\u8fdc\u9ad8\u4e8e\u76f8\u5e94\u5757\u72b6\u4f53\u6750\u6599\u76840.92\uff0c\u4e5f\u9ad8\u4e8eSi \u6750\u6599\u76841.77\u548cGaAs\u6750\u6599\u76842.56\u3002\u8fd9\u610f\u5473\u7740CsPbI3<\/sub>\u7eb3\u7c73\u6676\u5177\u6709\u6700\u9ad8\u7684\u8f7d\u6d41\u5b50\u4e0e\u58f0\u5b50\u4f5c\u7528\u5f3a\u5ea6\uff0c\u5176\u539f\u56e0\u6216\u4e0e\u9499\u949b\u77ff\u9633\u79bb\u5b50\u4e0e\u5364\u7d20\u9634\u79bb\u5b50\u5316\u5b66\u952e\u957f\u5ea6\u3001\u914d\u4f4d\u952e\u6570\u91cf\u548c\u8868\u9762\u914d\u4f53\u76f8\u5173\u3002\u6b64\u5916\uff0c\u5bf9\u4e0d\u540c\u6e29\u5ea6\u4e0bCsPbI3<\/sub>\u7eb3\u7c73\u6676\u7684PL\u5149\u8c31\u548cFWHM\u5206\u6790\u53ef\u540c\u6837\u5f97\u51fa\u5176\u8f7d\u6d41\u5b50\u4e0e\u5149\u5b66\u58f0\u5b50\u95f4\u7684\u5f3a\u76f8\u4e92\u4f5c\u7528\u3002\u76f8\u5173\u7814\u7a76\u4ee5\u201cUltrafast Carrier Drift Transport Dynamics in CsPbI3<\/sub> Perovskite Nanocrystalline Thin Films\u201d\u53d1\u8868\u4e8eACS Nano\u4e0a<\/p>\n

\"\"<\/p>\n

\u7b2c\u4e00\u4f5c\u8005\uff1aKanishka Kobbekaduwa\u535a\u58eb\u3001\u5218\u5a25\u8d24\u535a\u58eb\u3001\u8d75\u4e7e\u535a\u58eb<\/p>\n

\u901a\u8baf\u4f5c\u8005\uff1aJianbo Gao\u6559\u6388<\/p>\n

\u901a\u8baf\u5355\u4f4d\uff1aBrock University<\/p>\n

\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n

\uff081\uff09\u5e94\u7528\u4e86\u4e00\u79cd\u5148\u8fdb\u7684\u76ae\u79d2\u7ea7\u8d85\u5feb\u5149\u7535\u6d41\u5149\u8c31\u4eea\u6280\u672f<\/p>\n

\uff082\uff09\u63ed\u793aCsPbI3<\/sub>\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u7684\u8f7d\u6d41\u5b50\u4f20\u8f93\u4e3a\u5149\u58f0\u5b50\u4f5c\u7528\u4e3b\u5bfc\u7684\u7c7b\u5e26\u72b6\u4f20\u8f93\uff08band-like transport\uff09\uff0c\u800c\u975e\u4e4b\u524d\u62a5\u9053\u7684\u6781\u5316\u5b50\u8df3\u8dc3\u4f20\u8f93\uff08hopping transport\uff09<\/p>\n

\uff083\uff09\u4e0e\u5176\u4ed6\u6750\u6599\u76f8\u6bd4\uff0cCsPbI3<\/sub>\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u5177\u6709\u6700\u5f3a\u7684\u8f7d\u6d41\u5b50-\u58f0\u5b50\u76f8\u4e92\u4f5c\u7528<\/p>\n

\u3010\u6570\u636e\u6982\u89c8\u3011<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>1 a, CsPbI3<\/sub><\/strong>\u7eb3\u7c73\u6676\u7ed3\u6784\u4e0e\u5f62\u8c8c<\/strong>; b, <\/strong>\u76ae\u79d2\u7ea7\u8d85\u5feb\u5149\u7535\u6d41\u5149\u8c31\u4eea\u539f\u7406\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2<\/strong>\u4e0d\u540c\u6e29\u5ea6\u4e0b<\/strong>CsPbI3<\/sub><\/strong>\u7eb3\u7c73\u6676\uff08<\/strong>a,b<\/strong>\uff09\u3001<\/strong>GaAs<\/strong>\uff08<\/strong>c,d<\/strong>\uff09\u548c<\/strong>Si<\/strong>\uff08<\/strong>e,f<\/strong>\uff09\u5149\u4f0f\u6750\u6599\u7684\u8d85\u5feb\u5149\u7535\u6d41\u8c31\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>3 CsPbI3<\/sub><\/strong>\u7eb3\u7c73\u6676\u4e0e\u5176\u4ed6\u5149\u4f0f\u6750\u6599\u5982<\/strong>CsPbI3 <\/sub>bulks<\/strong>\u3001<\/strong>Si<\/strong>\u3001<\/strong>GaAs<\/strong>\u3001<\/strong>FAPbI3<\/sub><\/strong>\u53ca<\/strong>MAPbI3<\/sub><\/strong>\u7b49\u5173\u4e8e\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u548c\u53ef\u53cd\u6620\u8f7d\u6d41\u5b50<\/strong>–<\/strong>\u58f0\u5b50\u4f5c\u7528\u7684\u6807\u51c6\u5316\u53c2\u6570<\/strong>n<\/strong>\u503c\u7684\u5bf9\u6bd4\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4 <\/strong>\u4e0d\u540c\u6e29\u5ea6\u4e0b<\/strong>CsPbI3<\/sub><\/strong>\u7eb3\u7c73\u6676\u7684<\/strong>PL<\/strong>\u8c31\u56fe\uff08<\/strong>a<\/strong>\uff09\u53ca\u76f8\u5e94\u7684<\/strong>FWHM<\/strong>\u5206\u6790\uff08<\/strong>b<\/strong>\uff09<\/strong><\/p>\n

\u3010\u6210\u679c\u542f\u793a\u3011<\/p>\n

\u7efc\u4e0a\uff0c\u5728\u76ae\u79d2\u7ea7\u5206\u8fa8\u7387\u4e0b\u68c0\u6d4b\u5e76\u5206\u6790\u5f97\u51fa\uff0c\u5728\u4e0d\u540c\u65f6\u95f4\u533a\u95f4\u5185CsPbI3<\/sub>\u7eb3\u7c73\u6676\u8868\u73b0\u51fa\u4e0d\u540c\u7684\u8f7d\u6d41\u5b50\u4f20\u8f93\u673a\u5236\u3002\u800c\u4e14\uff0c\u5229\u7528\u6b64\u76ae\u79d2\u7ea7\u8d85\u5feb\u5149\u7535\u6d41\u5149\u8c31\u4eea\u6280\u672f\uff0c\u4e0d\u4ec5\u53ef\u5bf9\u6750\u6599\u7684\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66\u8fdb\u884c\u8be6\u5c3d\u5206\u6790\uff0c\u800c\u4e14\u53ef\u51c6\u786e\u8ba1\u7b97\u51fa\u66f4\u63a5\u8fd1\u771f\u5b9e\u5149\u7535\u5668\u4ef6\u5e94\u7528\u4e0b\u7684\u6750\u6599\u7269\u5316\u53c2\u6570\u3002\u6b64\u7814\u7a76\u5de5\u4f5c\u662f\u5bf9CsPbI3<\/sub>\u7eb3\u7c73\u6676\u6750\u6599\u53ca\u5176\u4ed6\u9499\u949b\u77ff\u6750\u6599\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66\u7684\u6df1\u5165\u7406\u89e3\uff0c\u66f4\u4e3a\u5149\u7535\u6750\u6599\u7684\u8d85\u5feb\u8f7d\u6d41\u5b50\u52a8\u529b\u5b66\u53ca\u5176\u7269\u5316\u6027\u8d28\u8868\u5f81\u63d0\u4f9b\u4e86\u5d2d\u65b0\u7684\u5e73\u53f0\uff0c\u5e76\u5bf9\u63d0\u9ad8\u5668\u4ef6\u7684\u5149\u7535\u6027\u80fd\u7b56\u7565\u63d0\u4f9b\u4e86\u4e00\u5b9a\u7684\u6307\u5bfc\u610f\u4e49\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1ahttps:\/\/pubs.acs.org\/doi\/full\/10.1021\/acsnano.3c03989<\/a><\/p>\n

\u6b22\u8fce\u5173\u4e8e\u8d85\u5feb\u5149\u7535\u6d41\u6280\u672f\u53ca\u9499\u949b\u77ff\u91cf\u5b50\u70b9\u65b9\u9762\u7684\u5408\u4f5c\uff0c\u8054\u7cfb\u65b9\u5f0f\uff1ajianbogao.nano@gmail.com<\/a>\uff1b<\/p>\n

exianliu@csuft.edu.cn<\/a>\uff1bqian.zhao@nankai.edu.cn<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5bfc\u8bfb\u3011 \u91d1\u5c5e\u5364\u5316\u7269\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u6750\u6599\u4e0d\u4ec5\u5728\u53d1\u5149\u5e94\u7528\u65b9\u9762\u5177\u5907\u4f18\u5f02\u7684\u6027\u80fd\uff0c\u800c\u4e14\u5df2\u5728\u5149\u4f0f\u3001\u63a2\u6d4b\u5668\u3001\u50ac\u5316\u7b49\u5e94\u7528\u9886\u57df\u5c55\u73b0\u51fa\u5de8\u5927\u7684\u6f5c\u529b\u3002\u5728\u57fa\u7840\u7814\u7a76\u65b9\u9762\uff0c\u9499\u949b\u77ff\u7eb3\u7c73\u6676\u6750\u6599\u56e0\u5176…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-253011","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/253011"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=253011"}],"version-history":[{"count":2,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/253011\/revisions"}],"predecessor-version":[{"id":253018,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/253011\/revisions\/253018"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=253011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=253011"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=253011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}