{"id":154109,"date":"2018-09-22T06:58:24","date_gmt":"2018-09-21T22:58:24","guid":{"rendered":"\/\/m.iemloyee.com\/?p=154109"},"modified":"2018-09-21T22:59:02","modified_gmt":"2018-09-21T14:59:02","slug":"adv-funct-mater-cspbbr3%e8%96%84%e8%86%9c%e9%99%90%e5%9f%9f%e7%94%9f%e9%95%bf%e5%8f%8a%e5%85%b6%e5%9c%a8%e9%ab%98%e6%80%a7%e8%83%bd%e5%85%89%e7%94%b5%e6%8e%a2%e6%b5%8b%e5%99%a8%e4%b8%ad%e7%9a%84","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=154109","title":{"rendered":"Adv. Funct. Mater. : CsPbBr3\u8584\u819c\u9650\u57df\u751f\u957f\u53ca\u5176\u5728\u9ad8\u6027\u80fd\u5149\u7535\u63a2\u6d4b\u5668\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"

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

\u4e3a\u4e86\u83b7\u5f97\u5177\u6709\u9ad8\u7075\u654f\u5ea6\u548c\u5feb\u901f\u54cd\u5e94\u7684\u9ad8\u6027\u80fd\u5149\u7535\u63a2\u6d4b\u5668(PD)\uff0c\u5668\u4ef6\u4e2d\u7684\u529f\u80fd\u5c42\u9700\u8981\u5177\u5907\u9ad8\u5438\u6536\u7cfb\u6570\u3001\u4f4e\u9677\u9631\u6001\u5bc6\u5ea6\u3001\u8db3\u591f\u7684\u6269\u6563\u957f\u5ea6\u4ee5\u53ca\u8f83\u9ad8\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u3002\u76ee\u524d\uff0c\u5168\u65e0\u673a\u5364\u5316\u7269\u9499\u949b\u77ff(HP)CsPbBr3<\/sub>\u5355\u6676\u8f7d\u6d41\u5b50\u6269\u6563\u901f\u5ea6\u8f83\u5feb\uff0c\u5176\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u8d85\u8fc7140 cm2<\/sup>\u00b7V-1<\/sup>\u00b7S-1<\/sup>\uff0c\u9677\u9631\u5bc6\u5ea6\u4f4e\u81f3109 cm-3<\/sup>\u3002\u57fa\u4e8e\u4e0a\u8ff0\u5355\u6676\u7684PD\u663e\u793a\u51fa\u9ad8\u54cd\u5e94\u5ea6(R)\u548c\u5bbd\u7ebf\u6027\u52a8\u6001\u8303\u56f4(LDR)\u3002\u7136\u800c\uff0cCsPbBr3<\/sub>\u5355\u6676\u7684\u5c3a\u5bf8\u548c\u539a\u5ea6\u96be\u4ee5\u63a7\u5236\uff0c\u5176\u53d7\u5230\u52a0\u5de5\u6e29\u5ea6\u3001\u5e95\u5c42\u8868\u9762\u80fd\u3001\u6eb6\u5242\u548c\u524d\u9a71\u4f53\u590d\u5408\u7269\u7684\u6781\u5927\u5f71\u54cd\uff0c\u8fdb\u800c\u5ef6\u957f\u4e86\u4f20\u8f93\u65f6\u95f4\u5e76\u52a0\u5267\u4e86\u5149\u7535\u63a2\u6d4b\u4e2d\u7684\u8f7d\u6d41\u5b50\u590d\u5408\u3002\u4e0e\u5355\u6676\u76f8\u6bd4\uff0c\u6eb6\u6db2\u52a0\u5de5\u6240\u5f97\u7684\u591a\u6676\u8584\u819c\u5177\u6709\u7b80\u5355\u3001\u53ef\u63a7\u4ee5\u53ca\u53ef\u8c03\u8282\u7684\u7279\u70b9\uff0c\u5728\u9499\u949b\u77ff\u5149\u7535\u5668\u4ef6\u5927\u89c4\u6a21\u5236\u9020\u548c\u5de5\u4e1a\u5316\u4e2d\u5177\u6709\u5de8\u5927\u6f5c\u529b\u3002\u4f46\u8fc4\u4eca\u4e3a\u6b62\uff0cCsPbBr3<\/sub>\u591a\u6676\u8584\u819c\u7684\u8d28\u91cf\u901a\u5e38\u8f83\u5dee\uff0c\u5176\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u4f4e\u3001\u7f3a\u9677\u5bc6\u5ea6\u9ad8\uff0c\u4ee5\u81f4\u5668\u4ef6\u6027\u80fd\u8f83\u5dee\u3002\u56e0\u6b64\uff0c\u5229\u7528\u6eb6\u6db2\u7b56\u7565\u5236\u5907\u5177\u6709\u4f4e\u9677\u9631\u6001\u5bc6\u5ea6\u548c\u9ad8\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u7684CsPbBr3<\/sub>\u591a\u6676\u819c\u5e76\u5c06\u5176\u5e94\u7528\u4e8e\u9ad8\u6027\u80fdPD\u4ecd\u7136\u5b58\u5728\u7740\u4e25\u5cfb\u7684\u6311\u6218\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u5357\u4eac\u7406\u5de5\u5927\u5b66\u66fe\u6d77\u6ce2\u6559\u6388\u3001\u674e\u6653\u660e\u6559\u6388\u3001\u6e56\u5317\u5927\u5b66\u738b\u6d69\u6559\u6388(\u5171\u540c\u901a\u8baf\u4f5c\u8005)\u7b49<\/strong>\u901a\u8fc7\u5728\u6709\u5e8f\u805a\u82ef\u4e59\u70ef\u7403\u6a21\u677f\u7684\u95f4\u9699\u5185\u51b7\u51bb\u524d\u4f53\u6eb6\u6db2\u7684\u9650\u57df\u751f\u957f\u7b56\u7565\u514b\u670d\u4e86\u6eb6\u89e3\u5ea6\u4f4e\u548c\u6676\u4f53\u5feb\u901f\u751f\u957f\u7f3a\u70b9\uff0c\u6240\u5f97\u81f4\u5bc6CsPbBr3<\/sub>\u591a\u6676\u8584\u819c\u5728\u5316\u5b66\u8ba1\u91cf\u8c03\u8282\u540e\u5177\u6709\u4f4e\u9677\u9631\u5bc6\u5ea6(3.07\u00d71012<\/sup> cm-3<\/sup>)\u548c\u9ad8\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387(9.27 cm2<\/sup>\u00b7V-1<\/sup>\u00b7s-1<\/sup>)\u3002\u4e0a\u8ff0\u6210\u679c\u4ee5\u9898\u4e3a\u201cSpace-Confined Growth of CsPbBr3<\/sub> Film Achieving Photodetectors with High Performance in All Figures of Merit<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u53d1\u8868\u4e8eAdv. Funct. Mater.<\/strong>\u3002\u57fa\u4e8e\u4e0a\u8ff0CsPbBr3<\/sub>\u8584\u819c\u7684\u5149\u7535\u63a2\u6d4b\u5668\u5728\u6240\u6709\u6d4b\u8bd5\u6307\u6807\u4e2d\u5747\u8868\u73b0\u51fa\u8272\u3002\u7279\u522b\u7684\uff0c\u5b9e\u73b0\u4e86\u9ad8\u8fbe216 A\u00b7W-1<\/sup>\u7684\u9ad8\u54cd\u5e94\u5ea6\u548c\u8d85\u77ed\u54cd\u5e94\u65f6\u95f4(<5 \u03bcs)\uff0c\u76f8\u6bd4\u6240\u6709CsPbBr3<\/sub>\u57fa\u5149\u7535\u63a2\u6d4b\u5668\u66f4\u597d\u3002\u8fd8\u5b9e\u73b0\u4e867.55\u00d71013<\/sup>\u68c0\u6d4b\u9650\u4ee5\u53ca-3 dB\u65f6\u5e26\u5bbd3.1\u00d7105<\/sup> Hz\u7684\u8bb0\u5f55\u3002\u8be5\u5de5\u4f5c\u4e3a\u9ad8\u54c1\u8d28\u5168\u65e0\u673a\u5364\u7d20\u9499\u949b\u77ff\u591a\u6676\u8584\u819c\u6253\u5f00\u4e86\u5927\u95e8\uff0c\u53ef\u5c06\u5176\u6269\u5c55\u5e94\u7528\u4e8e\u66f4\u591a\u5149\u7535\u5668\u4ef6\uff0c\u5305\u62ec\u592a\u9633\u80fd\u7535\u6c60\u3001\u5149\u7535\u6781\u548c\u5c04\u7ebf\u63a2\u6d4b\u5668\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong>
\n \u56fe1 CsPbBr3<\/sub>\u8584\u819c\u7684\u5236\u5907\u53ca\u5176\u5f62\u8c8c<\/strong><\/p>\n

\"\"<\/p>\n

a) CsPbBr3<\/sub>\u8584\u819c\u7684\u4f20\u7edf\u5236\u5907\u8fc7\u7a0b\u793a\u610f\u56fe\uff1b
\n b) CsPbBr3<\/sub>\u8584\u819c\u7684\u9650\u57df\u5236\u5907\u8fc7\u7a0b\u793a\u610f\u56fe\uff1b
\n c) CsPbBr3<\/sub> IO(inverse opal\uff0c\u53cd\u86cb\u767d\u77f3)\u8584\u819c\u7684\u5927\u533a\u57df\u9876\u89c6SEM\u56fe\u50cf\u3002<\/p>\n

\u56fe2 \u4f20\u7edfCsPbBr3<\/sub>\u8584\u819c\u548cCsPbBr3<\/sub> IO\u8584\u819c\u7684\u7ed3\u6784\u3001\u7535\u5b50\u6027\u80fd\u6bd4\u8f83<\/strong><\/p>\n

\"\"<\/p>\n

a) XRD\u56fe\u8c31\uff1b
\n b) \u5ba4\u6e29\u4e0b\u3001\u77f3\u82f1\u57fa\u5e95\u4e0a\u7684PL\u5149\u8c31\uff1b
\n c) \u9ed1\u6697\u4e0b\u4ee5\u53ca442 nm\u6fc0\u5149\u7167\u5c04\u4e0b\u7684\u5bf9\u6570I\u2013V\u66f2\u7ebf\uff1b
\n d) \u504f\u538b1 V\u65f6\u7684\u7075\u654f\u5ea6\u5149\u8c31\u3002<\/p>\n

\u56fe3 \u524d\u9a71\u4f53\u6bd4\u4f8b\u8c03\u63a7\u5bf9\u7ed3\u6784\u3001\u5149\u5b66\u53ca\u7535\u5b50\u6027\u8d28\u7684\u5f71\u54cd<\/strong><\/p>\n

\"\"<\/p>\n

a) XRD\u56fe\u8c31\uff1b
\n b) PL\u8870\u51cf\u66f2\u7ebf\uff0c\u5185\u63d2\u4e3aPL\u5149\u8c31\uff1b
\n c) \u77f3\u82f1\u57fa\u5e95\u4e0a\u56db\u79cdPbBr2<\/sub>:CsBr\u6bd4\u4f8b(0.8, 1.0, 1.2, 1.4)\u7684CsPbBr3<\/sub> IO\u8584\u819c\u7684\u5438\u6536\u5149\u8c31\u53ca\u76f8\u5e94\u7684Urbach\u80fd(\u5185\u63d2)\uff1b
\n d) CsPbBr3<\/sub> IO\u8584\u819c\u7f3a\u9677\u6001\u5bc6\u5ea6\u548c\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u968fPbBr2<\/sub>:CsBr\u6bd4\u4f8b\u7684\u53d8\u5316\u3002<\/p>\n

\u56fe4 \u4e0d\u540c\u524d\u9a71\u4f53\u6bd4\u4f8b\u5bf9CsPbBr3<\/sub> IO\u8584\u819c\u5149\u7535\u63a2\u6d4b\u6027\u80fd\u7684\u5f71\u54cd<\/strong><\/p>\n

\"\"<\/p>\n

a) 5 V \u504f\u538b\u4e0b\u5f00\u5173\u6bd4\u968fPbBr2<\/sub>:CsBr\u6bd4\u4f8b\u7684\u53d8\u5316\uff1b
\n b) \u6839\u636e\u5149\u7535\u6d41\u54cd\u5e94\u66f2\u7ebf\u6240\u5f97\u7684\u54cd\u5e94\u65f6\u95f4\uff1b
\n c) 5 V\u504f\u538b\u4e0b\u7684\u68c0\u6d4b\u9650\uff1b
\n d) \u8ba1\u7b97\u6240\u5f97\u7075\u654f\u5ea6\u3002<\/p>\n

\u56fe5 CsPbBr3<\/sub> IO\u8584\u819c\u7684\u5b9e\u9645\u5e94\u7528<\/strong><\/p>\n

\"\"<\/p>\n

a) 5 V\u504f\u538b\u4e0bCsPbBr3<\/sub> IO\u8584\u819c(PbBr2<\/sub>:CsBr = 1.2)\u5149\u7535\u63a2\u6d4b\u5668\u5149\u7535\u6d41\u968f\u529f\u7387\u7684\u53d8\u5316\uff1b
\n b) 1 V\u504f\u538b\u4e0b\u5668\u4ef6\u7684-3 dB\u5e26\u5bbd\u3002<\/p>\n

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

\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u5229\u7528\u57fa\u4e8e\u6709\u5e8fPS\u6a21\u677f\u7684\u9650\u57df\u751f\u957f\u7b56\u7565\u514b\u670d\u4e86\u7531\u524d\u9a71\u4f53\u6eb6\u89e3\u5ea6\u4f4e\u5f15\u8d77\u7684\u6210\u819c\u95ee\u9898\u3002CsPbBr3<\/sub>\u53cd\u86cb\u767d\u77f3(IO)\u8584\u819c\u5728\u9650\u57df\u751f\u957f\u4f5c\u7528\u4e0b\uff0c\u4e0d\u4ec5\u5177\u6709\u4f18\u5f02\u7684\u5438\u6536\u7cfb\u6570\uff0c\u800c\u4e14\u5728\u6676\u7c92\u3001\u62e9\u4f18\u53d6\u5411\u548c\u8584\u819c\u5bc6\u5ea6\u65b9\u9762\u4e5f\u5177\u6709\u663e\u8457\u7684\u6539\u5584\u3002\u7279\u522b\u7684\uff0c\u5177\u6709\u4f18\u5316\u6bd4\u4f8b(PbBr2<\/sub>\uff1aCsBr = 1.2)\u7684\u9ad8\u5ea6\u6709\u5e8fCsPbBr3<\/sub> IO\u8584\u819c\u8868\u73b0\u51fa\u4f4e\u9677\u9631\u6001\u5bc6\u5ea6(3.07\u00d71012<\/sup> cm-3<\/sup>)\u548c\u9ad8\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387(9.27 cm2<\/sup>\u00b7V-1<\/sup>\u00b7s-1<\/sup>)\uff0c\u5728\u5168\u65e0\u673aHP\u591a\u6676\u8584\u819c\u4e2d\u5c1a\u5c5e\u9996\u4f8b\u3002\u57fa\u4e8eCsPbBr3<\/sub> IO\u819c\u7684\u5149\u7535\u63a2\u6d4b\u5668\u5177\u6709216 A\u00b7W-1<\/sup>\u7684\u9ad8\u54cd\u5e94\u5ea6\u4ee5\u53ca5 \u03bcs\u5185\u7684\u77ed\u54cd\u5e94\u65f6\u95f4\u3002\u8be5\u5de5\u4f5c\u8bc1\u5b9e\u4e86\u9650\u57df\u751f\u957f\u7b56\u7565\u6709\u52a9\u4e8e\u6539\u5584CsPbBr3<\/sub>\u8584\u819c\u8d28\u91cf\uff0c\u6240\u5f97\u8584\u819c\u5728\u5149\u7535\u5668\u4ef6\u9886\u57df\u5177\u6709\u66f4\u591a\u6f5c\u5728\u7684\u5e94\u7528\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aSpace-Confined Growth of CsPbBr3<\/sub> Film Achieving Photodetectors with High Performance in All Figures of Merit<\/a><\/strong> (Adv. Funct. Mater.<\/strong>, 2018, DOI: 10.1002\/adfm.201804394)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8abc940504\u7f16\u8bd1\u6574\u7406\u3002<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu\u3002<\/strong><\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u4e3a\u4e86\u83b7\u5f97\u5177\u6709\u9ad8\u7075\u654f\u5ea6\u548c\u5feb\u901f\u54cd\u5e94\u7684\u9ad8\u6027\u80fd\u5149\u7535\u63a2\u6d4b\u5668(PD)\uff0c\u5668\u4ef6\u4e2d\u7684\u529f\u80fd\u5c42\u9700\u8981\u5177\u5907\u9ad8\u5438\u6536\u7cfb\u6570\u3001\u4f4e\u9677\u9631\u6001\u5bc6\u5ea6\u3001\u8db3\u591f\u7684\u6269\u6563\u957f\u5ea6\u4ee5\u53ca\u8f83\u9ad8\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u3002\u76ee\u524d\uff0c…<\/p>\n","protected":false},"author":4931,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[3062,2990],"class_list":["post-154109","post","type-post","status-publish","format-standard","hentry","category-jiedu","tag-3062","tag-2990"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/154109"}],"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\/4931"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=154109"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/154109\/revisions"}],"predecessor-version":[{"id":154290,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/154109\/revisions\/154290"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=154109"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=154109"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=154109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}