{"id":121634,"date":"2018-01-19T06:30:28","date_gmt":"2018-01-18T22:30:28","guid":{"rendered":"\/\/m.iemloyee.com\/?p=121634"},"modified":"2018-01-17T10:15:18","modified_gmt":"2018-01-17T02:15:18","slug":"%e5%8c%97%e4%ba%ac%e5%a4%a7%e5%ad%a6%e9%a9%ac%e4%bb%81%e6%95%8fadv-mater-%ef%bc%9a%e9%ab%98%e6%80%a7%e8%83%bd%e5%8d%95%e6%99%b6%e9%92%99%e9%92%9b%e7%9f%bf%e8%96%84%e8%86%9c%e5%85%89%e7%94%b5%e6%8e%a2","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=121634","title":{"rendered":"\u5317\u4eac\u5927\u5b66\u9a6c\u4ec1\u654fAdv. Mater.\uff1a\u9ad8\u6027\u80fd\u5355\u6676\u9499\u949b\u77ff\u8584\u819c\u5149\u7535\u63a2\u6d4b\u5668"},"content":{"rendered":"

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

\u5355\u6676\u534a\u5bfc\u4f53\u8584\u819c\u662f\u6784\u5efa\u9ad8\u6027\u80fd\u5149\u7535\u5b50\u5668\u4ef6\u7684\u57fa\u77f3\u3002\u4f20\u7edf\u7684\u5355\u6676\u534a\u5bfc\u4f53\u8584\u819c\u7684\u751f\u957f\u57fa\u4e8e\u5916\u5ef6\u6280\u672f\uff0c\u8981\u6c42\u9ad8\u6e29\u3001\u9ad8\u771f\u7a7a\u4ee5\u53ca\u886c\u5e95\u5339\u914d\u7b49\u82db\u523b\u7684\u751f\u957f\u6761\u4ef6\u3002\u8fd1\u5e74\u6765\u7531\u7b80\u6377\u65b9\u4fbf\u7684\u6eb6\u6db2\u6cd5\u5408\u6210\u7684\u5364\u5316\u7269\u9499\u949b\u77ff\u6750\u6599\u5728\u5404\u79cd\u5149\u7535\u5668\u4ef6\uff0c\u5305\u62ec\u592a\u9633\u80fd\u7535\u6c60\u3001\u6fc0\u5149\u5668\u3001\u53d1\u5149\u4e8c\u6781\u7ba1\u548c\u5149\u7535\u63a2\u6d4b\u5668\u7b49\u65b9\u9762\u7684\u5e94\u7528\u90fd\u53d6\u5f97\u4e86\u5de8\u5927\u7684\u6210\u529f\u3002\u7136\u800c\u76ee\u524d\u9499\u949b\u77ff\u5668\u4ef6\u5927\u591a\u57fa\u4e8e\u591a\u6676\u8584\u819c\u6216\u8005\u539a\u5ea6\u5728\u5341\u5fae\u7c73\u91cf\u7ea7\u4ee5\u4e0a\u7684\u5355\u6676\u9499\u949b\u77ff\u6750\u6599\u3002\u5bf9\u4e8e\u591a\u6676\u8584\u819c\u6765\u8bf4\uff0c\u5176\u5185\u90e8\u7684\u6676\u754c\u4e0e\u7f3a\u9677\u589e\u52a0\u4e86\u8f7d\u6d41\u5b50\u7684\u6563\u5c04\u4e0e\u590d\u5408\uff0c\u4f7f\u5f97\u8f7d\u6d41\u5b50\u4f20\u8f93\u6548\u7387\u964d\u4f4e\uff0c\u9650\u5236\u4e86\u5668\u4ef6\u7684\u6027\u80fd\uff1b\u5bf9\u4e8e\u539a\u7684\u5355\u6676\u6765\u8bf4\uff0c\u4e0d\u5fc5\u8981\u7684\u6750\u6599\u539a\u5ea6\u4f1a\u589e\u52a0\u8f7d\u6d41\u5b50\u7684\u4f20\u8f93\u65f6\u95f4\u548c\u590d\u5408\u6bd4\u4f8b\uff0c\u4ece\u800c\u9650\u5236\u4e86\u5668\u4ef6\u7684\u6027\u80fd\u3002\u9499\u949b\u77ff\u6750\u6599\u539a\u5ea6\u4e0e\u7ed3\u6676\u6027\u7684\u540c\u65f6\u4f18\u5316\u5bf9\u53d1\u5c55\u9ad8\u6027\u80fd\u9499\u949b\u77ff\u5668\u4ef6\u7684\u91cd\u8981\u6027\u4e0d\u8a00\u800c\u55bb\u3002\u5236\u5907\u57fa\u4e8e\u5355\u6676\u9499\u949b\u77ff\u8584\u819c\u7684\u5149\u7535\u5b50\u5668\u4ef6\u5e76\u7814\u7a76\u5176\u6027\u80fd\u4e0e\u7269\u6027\u7684\u6784\u6548\u5173\u7cfb\u5bf9\u53d1\u5c55\u9ad8\u6027\u80fd\u9499\u949b\u77ff\u5668\u4ef6\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n

\u3010\u5185\u5bb9\u7b80\u4ecb<\/strong>\u3011<\/p>\n

\u8fd1\u65e5\uff0c\u5317\u4eac\u5927\u5b66\u7269\u7406\u5b66\u9662\u9a6c\u4ec1\u654f\u7814\u7a76\u5458\u4e0e\u5408\u4f5c\u8005\u5728Adv. Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a\u201cHigh-Performance Single-Crystalline Perovskite Thin-Film Photodetector<\/strong>\u201d\u7684\u8bba\u6587\uff08DOI: 10.1002\/adma.201704333\uff09\u3002\u4ed6\u4eec\u901a\u8fc7\u65bd\u52a0\u538b\u529b\u7684\u65b9\u6cd5\u5bf9\u6676\u4f53\u751f\u957f\u8fdb\u884c\u7a7a\u95f4\u9650\u5236\u8c03\u63a7\u6676\u4f53\u539a\u5ea6\uff0c\u540c\u65f6\u5bf9\u886c\u5e95\u8868\u9762\u8fdb\u884c\u4fee\u9970\u63a7\u5236\u6210\u6838\u8fc7\u7a0b\uff0c\u751f\u957f\u51fa\u4e86\u539a\u5ea6\u53ef\u63a7\u7684\u5927\u9762\u79efCH3<\/sub>NH3<\/sub>PbBr3<\/sub>\u5355\u6676\u8584\u819c\u3002\u5728\u6b64\u57fa\u7840\u4e0a\u5236\u5907\u4e86\u9ad8\u6027\u80fd\u5355\u6676\u9499\u949b\u77ff\u8584\u819c\u5149\u7535\u63a2\u6d4b\u5668\u3002\u5f97\u76ca\u4e8e\u540c\u65f6\u4f18\u5316\u7684\u9499\u949b\u77ff\u6750\u6599\u539a\u5ea6\u4e0e\u7ed3\u6676\u6027\uff0c\u8be5\u63a2\u6d4b\u5668\u53ef\u5b9e\u73b0200\u4e2a\u5149\u5b50\u7684\u8109\u51b2\u5f31\u4fe1\u53f7\u63a2\u6d4b\uff0c\u540c\u65f6\u5176gain-bandwidth product\u8fbe\u523070GHz\u3002\u6b64\u5916\uff0c\u4ed6\u4eec\u8fd8\u5bf9\u57fa\u4e8e\u4e0d\u540c\u539a\u5ea6\u7684\u5355\u6676\u9499\u949b\u77ff\u8584\u819c\u6750\u6599\u7684\u5668\u4ef6\u6027\u80fd\u8fdb\u884c\u4e86\u7cfb\u7edf\u7814\u7a76\uff0c\u63ed\u793a\u4e86\u6750\u6599\u539a\u5ea6\u5bf9\u5668\u4ef6\u6027\u80fd\u7684\u91cd\u8981\u5f71\u54cd\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb<\/strong>\u3011<\/p>\n

\u56fe<\/strong>1<\/strong>\uff1a\u5355\u6676\u9499\u949b\u77ff\u8584\u819c\u7684\u5f62\u8c8c\u8868\u5f81\u548c\u6027\u80fd\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a). \u539a\u5ea6\u4e3a365 nm\u7684\u5355\u6676\u9499\u949b\u77ff\u8584\u819c\u7684\u5149\u5b66\u7167\u7247\uff1b<\/p>\n

(b). \u5355\u6676\u9499\u949b\u77ff\u8584\u819c\u7684SEM\u7167\u7247\uff1b<\/p>\n

(c). \u57fa\u4e8e\u5355\u6676\u9499\u949b\u77ff\u8584\u819c\u7684\u5149\u7535\u63a2\u6d4b\u5668\u7684\u5207\u9762SEM\u56fe\u50cf\uff1b<\/p>\n

(d). \u4e0d\u540c\u538b\u529b\u751f\u957f\u6761\u4ef6\u4e0b\u9499\u949b\u77ff\u8584\u819c\u7684\u539a\u5ea6\uff1b<\/p>\n

(e). \u5355\u6676\u8584\u819cX-\u5c04\u7ebf\u884d\u5c04(001)\u5cf0\u7684\u6447\u6446\u66f2\u7ebf\uff1b<\/p>\n

(f). \u4e0d\u540c\u539a\u5ea6\u8584\u819c\u5bf9\u5149\u7684\u5438\u6536\u6bd4\u4f8b\uff1b<\/p>\n

(g). \u6269\u6563\u957f\u5ea6\u4e0e\u819c\u539a\u4e4b\u6bd4\u3002<\/p>\n

\u56fe<\/strong>2<\/strong>\uff1a\u5149\u7535\u63a2\u6d4b\u7684\u5149\u54cd\u5e94\u3001\u589e\u76ca\u548c\u54cd\u5e94\u5ea6<\/strong><\/p>\n

\"\"<\/p>\n

\u00a0\u00a0(a). \u5668\u4ef6\u5728\u6697\u6001\u548c250 nW\u5149\u7167\u4e0b\u7684I-V\u66f2\u7ebf\uff1b<\/p>\n

(b). \u5668\u4ef6\u5728\u4e0d\u540c\u5149\u5f3a\u4e0b\u7684\u589e\u76ca\u548c\u54cd\u5e94\u5ea6\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\uff1a\u5668\u4ef6\u7684\u7ebf\u6027\u52a8\u6001\u8303\u56f4\u3001\u63a2\u6d4b\u6781\u9650\u548c<\/strong>3 dB<\/strong>\u5e26\u5bbd<\/strong><\/p>\n

\"\"<\/p>\n

(a). \u5668\u4ef6\u7684\u7ebf\u6027\u52a8\u6001\u8303\u56f4\uff1b<\/p>\n

(b). \u5668\u4ef6\u53ef\u54cd\u5e94\u7684\u6700\u4f4e\u5149\u5b50\u6570\uff1b<\/p>\n

(c). \u5668\u4ef6\u81ea\u9a71\u52a8\u72b6\u6001\u4e0b\u76843 dB\u5e26\u5bbd\uff1b<\/p>\n

(d). \u5668\u4ef6\u81ea\u9a71\u52a8\u72b6\u6001\u4e0b\u7684\u77ac\u6001\u7535\u6d41\u54cd\u5e94\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>\uff1a\u5668\u4ef6\u6027\u80fd\u4e0e\u5355\u6676\u8584\u819c\u539a\u5ea6\u7684\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

(a). \u5668\u4ef6\u7684\u53ef\u63a2\u6d4b\u529f\u7387\u4e0e\u539a\u5ea6\u7684\u5173\u7cfb\uff1b<\/p>\n

(b). \u5668\u4ef6\u7684\u6700\u5927\u589e\u76ca\u4e0e\u539a\u5ea6\u7684\u5173\u7cfb\u3002<\/p>\n

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

\u5317\u4eac\u5927\u5b66\u9a6c\u4ec1\u654f\u7814\u7a76\u7ec4\u4e0e\u5408\u4f5c\u8005\u540c\u65f6\u4f18\u5316\u4e86\u9499\u949b\u77ff\u6750\u6599\u7684\u539a\u5ea6\u4e0e\u7ed3\u6676\u6027\uff0c\u5236\u5907\u4e86\u57fa\u4e8e\u5355\u6676\u9499\u949b\u77ff\u8584\u819c\u7684\u9ad8\u6027\u80fd\u5149\u7535\u63a2\u6d4b\u5668\uff0c\u5b9e\u73b0\u4e86200\u4e2a\u5149\u5b50\u7684\u8109\u51b2\u5f31\u4fe1\u53f7\u63a2\u6d4b\uff0c\u548c\u9ad8\u8fbe70 GHz \u7684 gain-bandwidth product\u3002\u5317\u5927\u535a\u58eb\u751f\u6768\u632f\u4e7e\u3001\u9093\u7389\u8c6a\u548c\u535a\u58eb\u540e\u5f20\u6653\u4f1f\u4e3a\u8bba\u6587\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\uff1b\u9a6c\u4ec1\u654f\u7814\u7a76\u5458\u4e3a\u8bba\u6587\u901a\u8baf\u4f5c\u8005\uff1b\u4e3b\u8981\u5408\u4f5c\u8005\u5305\u62ecJohn Hopkins\u7684Jacob Khurgin\u6559\u6388\uff0cMIT\u7684Nicholas X. Fang\u6559\u6388\u548cUC Berkeley\u7684Xiang Zhang\u6559\u6388\u3002\u8fd9\u9879\u5de5\u4f5c\u5f97\u5230\u4e86\u9752\u5e74\u5343\u4eba\u9879\u76ee\u3001\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u59d4\u3001\u79d1\u6280\u90e8\u3001\u4eba\u5de5\u5fae\u7ed3\u6784\u548c\u4ecb\u89c2\u7269\u7406\u56fd\u5bb6\u91cd\u70b9\u5b9e\u9a8c\u5ba4\u3001\u91cf\u5b50\u7269\u8d28\u79d1\u5b66\u534f\u540c\u521b\u65b0\u4e2d\u5fc3\u7b49\u7684\u652f\u6301\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>High-Performance Single-Crystalline Perovskite Thin-Film Photodetector <\/a>(Adv. Mater. 2018, DOI: 10.1002\/adma.201704333)<\/p>\n

\u9a6c\u4ec1\u654f\u8bfe\u9898\u7ec4\u4e3b\u9875\uff1a<\/strong><\/p>\n

http:\/\/www.phy.pku.edu.cn\/~renminma\/<\/a><\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u80fd\u6e90\u5b66\u672f\u7ec4\u91d1\u4e5f\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6750\u6599\u4eba\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8<\/a>\u3002<\/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

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1a<\/strong>RDD-2011-CHERISH<\/strong>\uff0c\u4efb\u4e39\u4e39\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/strong><\/p>\n

\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u5355\u6676\u534a\u5bfc\u4f53\u8584\u819c\u662f\u6784\u5efa\u9ad8\u6027\u80fd\u5149\u7535\u5b50\u5668\u4ef6\u7684\u57fa\u77f3\u3002\u4f20\u7edf\u7684\u5355\u6676\u534a\u5bfc\u4f53\u8584\u819c\u7684\u751f\u957f\u57fa\u4e8e\u5916\u5ef6\u6280\u672f\uff0c\u8981\u6c42\u9ad8\u6e29\u3001\u9ad8\u771f\u7a7a\u4ee5\u53ca\u886c\u5e95\u5339\u914d\u7b49\u82db\u523b\u7684\u751f\u957f\u6761\u4ef6\u3002\u8fd1\u5e74\u6765\u7531\u7b80\u6377\u65b9\u4fbf\u7684\u6eb6…<\/p>\n","protected":false},"author":2114,"featured_media":121635,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,2],"tags":[2259],"class_list":["post-121634","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","category-keji","tag-2259"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/121634"}],"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\/2114"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=121634"}],"version-history":[{"count":5,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/121634\/revisions"}],"predecessor-version":[{"id":121910,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/121634\/revisions\/121910"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/121635"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=121634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=121634"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=121634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}