{"id":174425,"date":"2019-05-01T12:00:18","date_gmt":"2019-05-01T04:00:18","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=174425"},"modified":"2019-04-30T21:38:40","modified_gmt":"2019-04-30T13:38:40","slug":"%e5%8d%8e%e4%b8%ad%e7%a7%91%e6%8a%80%e5%a4%a7%e5%ad%a6%e6%9d%8e%e5%be%b7%e6%85%a7acs-nano%ef%bc%9a%e5%9f%ba%e4%ba%8e%e5%8f%af%e6%8e%a7%e7%94%9f%e9%95%bf%e7%9a%84%e4%ba%8c%e7%bb%b4%e9%92%99%e9%92%9b","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=174425","title":{"rendered":"\u534e\u4e2d\u79d1\u6280\u5927\u5b66\u674e\u5fb7\u6167ACS Nano\uff1a\u57fa\u4e8e\u53ef\u63a7\u751f\u957f\u7684\u4e8c\u7ef4\u9499\u949b\u77ff\u5f02\u8d28\u7ed3\u7684\u5398\u7c73\u7ea7\u7a84\u5e26\u53cc\u9891\u5149\u7535\u63a2\u6d4b\u5668"},"content":{"rendered":"

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

\u4e0d\u540c\u5c42\u6570\u76842 D\u9499\u949b\u77ff\u7531\u4e8e\u5c42\u72b6\u7ed3\u6784\u7684\u7279\u6027\uff0c\u5728\u5f62\u6210\u5f02\u8d28\u7ed3\u65f6\u65e0\u9700\u8003\u8651\u6676\u683c\u5339\u914d\uff0c\u662f\u5236\u4f5c\u5f02\u8d28\u7ed3\u5668\u4ef6\u7684\u7406\u60f3\u6750\u6599\u3002\u5728\u4e4b\u524d\u7684\u5de5\u4f5c\u4e2d\uff0c\u4f5c\u8005\u901a\u8fc7\u6eb6\u6db2\u548c\u6c14\u56fa\u76f8\u63d2\u5c42\u8054\u5408\u7684\u65b9\u6cd5\uff0c\u5236\u5907\u4e86\u5927\u5c3a\u5bf8\u4e8c\u7ef4\u9499\u949b\u77ff\u7684\u6c34\u5e73\u548c\u5782\u76f4\u5f02\u8d28\u7ed3\u7ed3\u6784\u3002\u7136\u800c\uff0c\u8be5\u65b9\u6cd5\u53ea\u80fd\u83b7\u5f97\u7ed3\u6676\u8d28\u91cf\u76f8\u5bf9\u8f83\u5dee\u7684\u591a\u6676\u4f53\u7684\u5f02\u8d28\u7ed3\u6784\uff0c\u8fdb\u800c\u5bfc\u81f4\u5b83\u4eec\u7684\u5149\u7535\u63a2\u6d4b\u5668\u6027\u80fd\u4e0d\u4f73\u3002\u56e0\u6b64\uff0c\u5927\u89c4\u6a21\u3001\u53ef\u63a7\u7684\u5408\u6210\u9ad8\u7ed3\u6676\u7684\u4e8c\u7ef4\u9499\u949b\u77ff\u5f02\u8d28\u7ed3\u6784\u5bf9\u4e8e\u63d0\u9ad8\u5149\u7535\u5668\u4ef6\u7684\u6027\u80fd\u5341\u5206\u91cd\u8981\u3002\u7a84\u5149\u8c31\u54cd\u5e94\u7684\u5149\u7535\u63a2\u6d4b\u5668\u5728\u751f\u7269\u533b\u5b66\u4f20\u611f\u3001\u6210\u50cf\u3001\u9632\u5fa1\u548c\u673a\u5668\u89c6\u89c9\u9886\u57df\u5177\u6709\u91cd\u8981\u7684\u5e94\u7528\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0c\u7a84\u5e26\u5149\u7535\u63a2\u6d4b\u5668\u662f\u901a\u8fc7\uff081\uff09\u5c06\u5bbd\u5e26\u5149\u7535\u63a2\u6d4b\u5668\u4e0e\u5e26\u901a\u6ee4\u6ce2\u5668\u76f8\u7ed3\u5408\u6765\u5b9e\u73b0\uff1b\uff082\uff09\u6709\u610f\u8bbe\u8ba1\u7a84\u5e26\u6ce2\u6bb5\u6709\u6e90\u5438\u6536\u6750\u6599\uff1b\uff083\uff09\u91c7\u7528\u7b49\u79bb\u5b50\u4f53\u6548\u5e94\u6765\u589e\u5f3a\u7279\u5b9a\u6ce2\u957f\u8303\u56f4\u5185\u7684\u5438\u6536\uff1b\uff084\uff09\u64cd\u7eb5\u5149\u751f\u8f7d\u6d41\u5b50\u6536\u96c6\u6548\u7387\u3002\u867d\u7136\u4e0a\u8ff0\u7b56\u7565\u53ef\u4ee5\u83b7\u5f97\u7a84\u5e26\u5149\u7535\u63a2\u6d4b\u5668\uff0c\u4f46\u662f\u7a84\u5e26\u53cc\u9891\u5149\u7535\u63a2\u6d4b\u5668\u7684\u7814\u7a76\u4ecd\u5904\u4e8e\u8d77\u6b65\u9636\u6bb5\u3002\u672c\u6587\u62a5\u544a\u4e86\u4e00\u79cd\u5408\u6210(C4<\/sub>H9<\/sub>NH3<\/sub>)2<\/sub>PbI4<\/sub>\/(C4<\/sub>H9<\/sub>NH3<\/sub>)2<\/sub>(CH3<\/sub>NH3<\/sub>)Pb2<\/sub>I7<\/sub>\u7a84\u5e26\u7ed3\u5f02\u8d28\u7ed3\u6784\u7684\u65b9\u6cd5\uff0c\u53ef\u83b7\u5f97\u5398\u7c73\u5c3a\u5bf8\u3001\u53ef\u63a7\u539a\u5ea6\u3001\u53ef\u63a7\u7ed3\u6df1\u5ea6\u3001\u9ad8\u7ed3\u6676\u8d28\u91cf\u7684\u4e8c\u7ef4\u9499\u949b\u77ff\u5f02\u8d28\u7ed3\uff0c\u5e76\u57fa\u4e8e\u5f02\u8d28\u7ed3\u5236\u4f5c\u4e86\u7a84\u5e26\u53cc\u9891\u7a33\u5b9a\u6027\u5149\u7535\u63a2\u6d4b\u5668\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u4e2d\u56fd\u534e\u4e2d\u79d1\u6280\u5927\u5b66<\/strong>\u7684\u674e\u5fb7\u6167\uff08\u901a\u8baf\uff09<\/strong>\u4f5c\u8005\u7b49\u4eba\uff0c\u5f00\u53d1\u4e86\u4e00\u79cd\u6eb6\u6db2\u5408\u6210(C4<\/sub>H9<\/sub>NH3<\/sub>)2<\/sub>PbI4<\/sub>\/(C4<\/sub>H9<\/sub>NH3<\/sub>)2<\/sub>(CH3<\/sub>NH3<\/sub>)Pb2<\/sub>I7<\/sub>\u7684\u65b9\u6cd5\uff0c\u8fd9\u79cd\u65b9\u6cd5\u53ef\u83b7\u5f97\u5398\u7c73\u5c3a\u5bf8\u3001\u9ad8\u76f8\u7eaf\u5ea6\u3001\u53ef\u63a7\u539a\u5ea6\u3001\u7ed3\u6df1\u5ea6\u3001\u9ad8\u7ed3\u6676\u8d28\u91cf\u7684\u4e8c\u7ef4\u9499\u949b\u77ff\u5f02\u8d28\u7ed3\u548c\u9ad8\u7a84\u5e26\u53cc\u9891\u5149\u7535\u63a2\u6d4b\u5668\u3002\u6839\u636e(C4<\/sub>H9<\/sub>NH3<\/sub>)2<\/sub>PbI4<\/sub>\u548c(C4<\/sub>H9<\/sub>NH3<\/sub>)2<\/sub>(CH3<\/sub>NH3<\/sub>)Pb2<\/sub>I7<\/sub>\u7684\u4e0d\u540c\u6676\u683c\u5e38\u6570\u3001\u6eb6\u89e3\u5ea6\u548c\u751f\u957f\u901f\u7387\uff0c\u9996\u5148\u5728\u6c34-\u7a7a\u6c14\u754c\u9762\u5904\u751f\u957f(C4<\/sub>H9<\/sub>NH3<\/sub>)2<\/sub>PbI4<\/sub>\uff0c\u7136\u540e\u901a\u8fc7\u6269\u6563\u8fc7\u7a0b\u5f62\u6210(C4<\/sub>H9<\/sub>NH3<\/sub>)2<\/sub>(CH3<\/sub>NH3<\/sub>)Pb2<\/sub>I7<\/sub>\u5c42\u3002\u8fd9\u79cd\u751f\u957f\u8fc7\u7a0b\u53ef\u4ee5\u63a7\u5236\u6d53\u5ea6\u3001\u53cd\u5e94\u6e29\u5ea6\u548c\u65f6\u95f4\uff0c\u83b7\u5f97\u5177\u6709\u4e0d\u540c\u539a\u5ea6\u548c\u7ed3\u6df1\u5ea6\u7684\u5f02\u8d28\u7ed3\u6784\uff0c\u662f\u4e00\u79cd\u6709\u6548\u7684\u5408\u6210\u65b9\u6cd5\u3002\u901a\u8fc7X\u5c04\u7ebf\u884d\u5c04\u8bc1\u660e\u5f02\u8d28\u7ed3\u6784\u7684\u5f62\u6210\uff0c\u6a2a\u622a\u9762\u5149\u81f4\u53d1\u5149\u548c\u53cd\u5c04\u5149\u8c31\u8bc1\u5b9e\u7ed3\u5bbd\u5ea6\u4f4e\u4e8e100 nm\u3002\u8fd9\u79cd\u5f02\u8d28\u7ed3\u6784\u7684\u5149\u7535\u63a2\u6d4b\u5668\u8868\u73b0\u51fa\u4f4e\u6697\u7535\u6d41(~10-12<\/sup>A)\u3001\u9ad8\u5f00\u5173\u7535\u6d41\u6bd4(~103<\/sup>)\u548c\u4ee5\u53ca\u7a84\u5e26\u53cc\u9891\u8c31\u54cd\u5e94\u3002\u5728540 nm\u5904\u5177\u670920 nm\u7684\u534a\u9ad8\u5168\u5bbd(fwhm)\uff0c\u5728610 nm\u5904\u5177\u670934 nm\u7684\u534a\u9ad8\u5168\u5bbd\u3002\u8fd9\u79cd\u5408\u6210\u7b56\u7565\u5bf9\u4e8e\u5176\u4ed62 D\u9499\u949b\u77ff\u6765\u4e5f\u662f\u901a\u7528\u7684\uff0c\u901a\u8fc7\u6539\u53d8\u5364\u5316\u7269\u7ec4\u6210\uff0c\u53ef\u4ee5\u5b9e\u73b0fwhm<40 nm\u7684\u7a84\u5e26\u53cc\u8c31\u5149\u8c31\u54cd\u5e94\u4ece\u7ea2\u8272\u5230\u84dd\u8272\u8fde\u7eed\u8c03\u8c10\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201c<\/strong>Controllable Growth of Centimeter-Sized 2D Perovskite Heterostructures for Highly Narrow Dual-Band Photodetectors<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728ACS Nano<\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe<\/strong> 1 <\/strong>\u4e8c\u7ef4\u9499\u949b\u77ff\u5f02\u8d28\u7ed3\u6784\u7684\u5408\u6210\u7b56\u7565<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u6eb6\u6db2(BA)2<\/sub>(MA)n<\/sub><\/em>\u22121<\/sub>Pbn<\/sub><\/em>I3n<\/em>+1<\/sub>(n<\/em>=1\u20134)2D\u9499\u949b\u77ff\u5408\u6210\u65b9\u6cd5\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b\uff09(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u5408\u6210\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08c\uff09(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u8bbe\u8ba1\u751f\u957f\u673a\u5236\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe<\/strong> 2 <\/strong>(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub><\/strong>\u5f02\u8d28\u7ed3\u6784\u7684\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u751f\u957f240 min\u7684(BA)2<\/sub><\/strong>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u5149\u5b66\u56fe\u50cf\uff08\u63d2\u56fe\uff1a\u5f02\u8d28\u7ed3\u6784\u8868\u9762\u7684SEM\u56fe\u50cf\uff09\uff1b<\/p>\n

\uff08b\uff09\u900f\u660e\u80f6\u5e26\u673a\u68b0\u5265\u79bb\u5f02\u8d28\u7ed3\u6784\uff0c\u83b7\u5f97\u677f\u5185\u90e8\u7684\u5149\u5b66\u56fe\u50cf\uff1b<\/p>\n

\uff08c\uff09\u6eb6\u6db2\u6cd5\u5236\u5907\u7684(BA)2<\/sub><\/strong>PbI4<\/sub>\u548c(BA)2<\/sub>(MA)Pb2<\/sub>I4<\/sub>\u7684XRD\u56fe\uff0c\u4ee5\u53ca\u4e0d\u540c\u8d28\u91cf\u6bd4BAI\/MAI\u751f\u957f240 min\u7684(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\uff1b<\/p>\n

\uff08d\uff09\u4e0d\u540c\u8d28\u91cf\u6bd4BAI\/MAI\u7684(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u5f52\u4e00\u5316PL\u5149\u8c31\uff1b<\/p>\n

\uff08e\uff09\u7a7a\u95f4\u5206\u8fa8\u7684\u5149\u8c31\u56fe\u50cf\uff0c\u53d6\u81ea\uff08a\uff09\u4e2d\u7684\u865a\u7ebf\u65b9\u5f62\u533a\u57df\uff1b<\/p>\n

\uff08f\uff09\u5bf9\u4e8e(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\uff0c\u5728520\u548c590 nm\u5904\u7684\u7a7a\u95f4\u5206\u8fa8\u7684\u6a2a\u622a\u9762\u53d1\u5149\u56fe\u50cf\uff08\u63d2\u56fe\uff1a\u6a2a\u622a\u9762\u7684\u5149\u5b66\u56fe\u50cf\uff09\uff1b<\/p>\n

\uff08g\uff09\u6cbf\uff08f\uff09\u4e2d\u7684\u865a\u7ebf\u5728520 nm\uff08n = 1\uff09\u548c590 nm\uff08n = 2\uff09\u5904\u7684PL\u5f3a\u5ea6\u5206\u5e03;<\/p>\n

\uff08h\uff09(BA)2<\/sub>PbI4<\/sub>\u3001(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u548c(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u53cd\u5c04\u5149\u8c31\u548c(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u6a21\u62df\u53cd\u5c04\u8c31\u3002<\/p>\n

\u56fe<\/strong> 3 <\/strong>\u5398\u7c73\u5c3a\u5bf8<\/strong>(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub><\/strong>\u5f02\u8d28\u7ed3\u6784\u7684\u53ef\u63a7\u751f\u957f<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09(BA)2<\/sub>PbI4<\/sub>\u677f\u5916\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5c42\u7684\u751f\u957f\u8fc7\u7a0b\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b\uff091 mol\/L\u7684MAI\u3001BAI\u4e0eMAI\u8d28\u91cf\u6bd4\u4e3a2\uff1a3\u3001\u4e0d\u540c\u751f\u957f\u65f6\u95f4\u7684\uff08(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684XRD\u56fe\u8c31\uff1b<\/p>\n

\uff08c\uff0cd\uff09\uff08(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u5f52\u4e00\u5316\u5438\u6536\u5149\u8c31\uff08c\uff09\u548cPL\u5149\u8c31\uff08d\uff09\uff1b<\/p>\n

\uff08e\uff091 mol\/L\u7684MAI\u6d53\u5ea6\uff0c\u5398\u7c73\u7684(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u548c\u5916\u5c42(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5c42\u539a\u5ea6\u4e0e\u751f\u957f\u65f6\u95f4\u7684\u5173\u7cfb\uff1b<\/p>\n

\uff08f\uff09\u5f02\u8d28\u7ed3\u6784\u7684\u539a\u5ea6\u4e0e\u4e0d\u540c\u8d28\u91cf\u6bd4\u7684\u6eb6\u6db2\u6d53\u5ea6\u7684\u5173\u7cfb\uff1b<\/p>\n

\uff08g\uff090.25 mol\/L\u7684MAI\u6d53\u5ea6\u3001BAI\u4e0eMAI\u8d28\u91cf\u6bd4\u4e3a2\uff1a3\u7684\u5398\u7c73\u7684(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u548c\u5916\u5c42(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5c42\u539a\u5ea6\u4e0e\u65f6\u95f4\u7684\u4f9d\u8d56\u6027\u3002<\/p>\n

\u56fe<\/strong> 4 <\/strong>\u9ad8\u7a84\u5e26\u53cc\u9891\u5149\u7535\u63a2\u6d4b<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u5668\u4ef6\u914d\u7f6e\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b\uff09\u7d2b\u5916\u5149\u7535\u5b50\u80fd\u8c31\uff08UPS\uff09\u6570\u636e\u7684(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u80fd\u5e26\u56fe\uff1b<\/p>\n

\uff08c\uff09\u5728\u9ed1\u6697\u548c\u5728\u4e0d\u540c\u7684\u5355\u8272\u5149\u7167\u5c04\u4e0b\uff0c\u5f02\u8d28\u7ed3\u6784\u88c5\u7f6e\u7684\u8f93\u51fa\u7279\u6027\uff08I-V\uff09\uff1b<\/p>\n

\uff08d\uff09\u57283 V\u504f\u538b\u4e0b\uff0c(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u5149\u7535\u63a2\u6d4b\u5668\u7684\u76f8\u5e94\u54cd\u5e94\u5ea6\u548c\u5f52\u4e00\u5316\u5438\u5149\u5ea6\u4e0e\u6ce2\u957f\u7684\u5173\u7cfb\uff1b<\/p>\n

\uff08e\uff09540 nm\u5149\u7167\u5c04\u3001\u529f\u7387\u5bc6\u5ea6\u4e3a45 mW\/cm2<\/sup>\u548c-1 V\u5230-3 V\u7684\u4e0d\u540c\u504f\u538b\u4e0b\uff0c(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u5149\u7535\u63a2\u6d4b\u5668\u7684\u5149\u5f00\u5173\u7279\u6027\uff1b<\/p>\n

\uff08f\uff09(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u5149\u7535\u63a2\u6d4b\u5668\u7684\u65f6\u95f4\u5149\u54cd\u5e94\uff1b<\/p>\n

\uff08g\uff09\u5f52\u4e00\u5316\u54cd\u5e94\u5ea6(BA)2<\/sub>PbI4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u7a84\u5e26\u53cc\u6ce2\u6bb5\u5149\u7535\u63a2\u6d4b\u5668\u3002<\/p>\n

\u56fe<\/strong> 5 <\/strong>(BA)2<\/sub>PbBr4<\/sub>\/(BA)2<\/sub>(MA)Pb2<\/sub>Br7<\/sub><\/strong>\u548c<\/strong>(PEA)2<\/sub>PbI4<\/sub>\/(PEA)2<\/sub>MAPb2<\/sub>I7<\/sub><\/strong>\u5f02\u8d28\u7ed3\u6784\u7684\u7a84\u5e26\u53cc\u9891\u5149\u7535\u63a2\u6d4b\u5668<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09(BA)2<\/sub>PbBr4<\/sub>\/(BA)2<\/sub>MAPb2<\/sub>Br7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684XRD\u56fe\u8c31\uff1b<\/p>\n

\uff08b\uff09(PEA)2<\/sub>PbI4<\/sub>\/(PEA)2<\/sub>MAPb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684XRD\u56fe\u8c31\uff1b<\/p>\n

\uff08c\uff09(BA)2<\/sub>PbBr4<\/sub>\/(BA)2<\/sub>MAPb2<\/sub>Br7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684PL\u5149\u8c31\uff1b<\/p>\n

\uff08d\uff09(PEA)2<\/sub>PbI4<\/sub>\/(PEA)2<\/sub>MAPb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684PL\u5149\u8c31\uff1b<\/p>\n

\uff08e\uff09\u5728\u504f\u538b\u4e3a-3 V\u65f6\uff0c410 nm\u5149\u7167\u5c04\u4e0b\u7684(BA)2<\/sub>PbBr4<\/sub>\/(BA)2<\/sub>MAPb2<\/sub>Br7<\/sub>\u5668\u4ef6\u548c540 nm\u7167\u5c04\u4e0b\u7684(PEA)2<\/sub>PbI4<\/sub>\/(PEA)2<\/sub>MAPb2<\/sub>I7<\/sub>\u5668\u4ef6\u7684\u5149\u5f00\u5173\u7279\u6027\uff1b<\/p>\n

\uff08f\uff09\u5728-3 V\u504f\u538b\u4e0b\uff0c(BA)2<\/sub>PbBr4<\/sub>\/(BA)2<\/sub>MAPb2<\/sub>Br7<\/sub>\u548c(PEA)2<\/sub>PbI4<\/sub>\/(PEA)2<\/sub>MAPb2<\/sub>I7<\/sub>\u5f02\u8d28\u7ed3\u6784\u7684\u7a84\u5e26\u53cc\u9891\u5149\u7535\u63a2\u6d4b\u5668\u7684\u5149\u8c31\u54cd\u5e94\u56fe\u3002<\/p>\n

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

\u603b\u4e4b\uff0c\u672c\u6587\u5f00\u53d1\u4e86\u4e00\u79cd\u6eb6\u6db2\u6cd5\uff0c\u53ef\u8c03\u4e8c\u7ef4\u9499\u949b\u77ff\u5f02\u8d28\u7ed3\u6784\u7684\u539a\u5ea6\u548c\u7ed3\u6df1\u5ea6\uff0c\u80fd\u591f\u83b7\u5f97\u5398\u7c73\u5c3a\u5bf8\u7684\u4e8c\u7ef4\u9499\u949b\u77ff\u5f02\u8d28\u7ed3\u6784\u548c\u7a84\u5e26\u53cc\u9891\u5149\u7535\u63a2\u6d4b\u3002\u4e8c\u7ef4\u9499\u949b\u77ff\u7684\u5206\u5c42\u7279\u6027\u548c\u6269\u6563\u63a7\u5236\u7684\u751f\u957f\u8fc7\u7a0b\uff0c\u80fd\u591f\u5b9e\u73b0\u9ad8\u7ed3\u6676\u8d28\u91cf\u548c\u9ad8\u76f8\u7eaf\u5ea6\u7684\u5f02\u8d28\u7ed3\u6784\u7684\u65e0\u7f1d\u751f\u957f\uff0c\u80fd\u591f\u901a\u8fc7\u7535\u8377\u6536\u96c6\u5b9e\u73b0\u7a84\u7684\u53cc\u6ce2\u6bb5\u5149\u68c0\u6d4b\u3002\u8fd9\u9879\u7814\u7a76\u4e0d\u4ec5\u4e3a\u57fa\u7840\u7814\u7a76\u548c\u7535\u5b50\u548c\u5149\u7535\u5e94\u7528\u63d0\u4f9b\u4e86\u4e00\u79cd\u53ef\u63a7\u5408\u6210\u9ad8\u8d28\u91cf\u7eaf\u76f8\u4e8c\u7ef4\u9499\u949b\u77ff\u57fa\u5f02\u8d28\u7ed3\u6784\u7684\u9014\u5f84\uff0c\u4e5f\u4e3a\u591a\u8272\u6210\u50cf\u6280\u672f\u5b9e\u73b0\u65e0\u6ee4\u5149\u7d2b\u5916\u3001\u53ef\u89c1\u5149\u6216\u7ea2\u5916\u7a84\u5e26\u53cc\u6ce2\u6bb5\u5149\u7535\u63a2\u6d4b\u63d0\u4f9b\u4e86\u4e00\u79cd\u66ff\u4ee3\u65b9\u6cd5\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Controllable Growth of Centimeter-Sized 2D Perovskite Heterostructures for Highly Narrow Dual-Band Photodetectors<\/strong><\/a>\uff08ACS Nano, 2019, DOI: 10.1021\/acsnano.9b00259\uff09\u3002<\/p>\n

\u3010\u56e2\u961f\u7b80\u4ecb\u3011<\/p>\n

\u674e\u5fb7\u6167\uff08PI-\u8bfe\u9898\u7ec4\u8d1f\u8d23\u4eba\uff09\uff0c\u534e\u4e2d\u79d1\u6280\u5927\u5b66\u5149\u5b66\u4e0e\u7535\u5b50\u4fe1\u606f\u5b66\u9662\uff0c\u6559\u6388\uff0c\u535a\u58eb\u751f\u5bfc\u5e08\u30022006\u5e74\u672c\u79d1\u6bd5\u4e1a\u4e8e\u897f\u5b89\u4ea4\u901a\u5927\u5b66\uff0c2009\u5e74\u7855\u58eb\u6bd5\u4e1a\u4e8e\u4e2d\u56fd\u79d1\u5b66\u9662\u8fd1\u4ee3\u7269\u7406\u7814\u7a76\u6240\uff0c2013\u5e74\u535a\u58eb\u6bd5\u4e1a\u4e8e\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u3002\u968f\u540e\u5728\u52a0\u5dde\u5927\u5b66\u6d1b\u6749\u77f6\u5206\u6821\u4ece\u4e8b\u535a\u58eb\u540e\u7814\u7a76\u5de5\u4f5c\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u5df2\u5728Nature\u3001Nature Communications\u3001Science Advances\u3001Nano Letters\u3001ACS Nano\u548cAdvanced Science\u7b49\u56fd\u9645\u77e5\u540d\u5b66\u672f\u671f\u520a\u4e0a\u53d1\u8868SCI\u8bba\u658750\u4f59\u7bc7\uff0c\u603b\u88ab\u5f15\u6b21\u6570\u8d85\u8fc72600\u6b21\uff0cH\u56e0\u5b5026\uff0ci10\u6307\u657033\u30022016\u5e74\u52a0\u5165\u534e\u4e2d\u79d1\u6280\u5927\u5b66\u5149\u7535\u5b66\u9662\uff0c\u9752\u5e74\u5343\u4eba\u8ba1\u5212\u5165\u9009\u8005\u3002\u4e3b\u8981\u4ece\u4e8b\u4f4e\u7ef4\u7eb3\u7c73\u6750\u6599\u7684\u5149\u8c31\u5b66\u3001\u7535\u5b66\u4ee5\u53ca\u5149\u7535\u6027\u8d28\u7814\u7a76\u3002\u8fd1\u5e74\u6765\uff0c\u5728\u4e8c\u7ef4\u9499\u949b\u77ff\u53ca\u5176\u5f02\u8d28\u7ed3\u5236\u5907\uff0c\u7a84\u5e26\u3001\u65cb\u5149\u63a2\u6d4b\uff0c\u8f7d\u6d41\u5b50\u8f93\u8fd0\u7b49\u9886\u57df\u53d1\u8868\u4e86\u4e00\u7cfb\u5217\u8bba\u6587\uff1a<\/p>\n

1 Self-trapped State Enabled Filterless Narrowband Photodetections in 2D Layered Perovskite Single Crystals. Nature Communications<\/em><\/strong> 10, 806 (2019).<\/p>\n

2 Chiral 2D Perovskites with High Degree of Circularly Polarized Photoluminescence. ACS Nano<\/em><\/strong> 13, 3659\u22123665 (2019).<\/p>\n

3 Controllable Growth of Centimeter-Sized 2D Perovskite Heterostructures for Highly Narrow Dual-Band Photodetectors. ACS Nano<\/em><\/strong>, (2019). DOI: 10.1021\/acsnano.9b00259\u3002<\/p>\n

4 The Role of Chloride Incorporation in Lead\u2010Free 2D Perovskite (BA)2<\/sub>SnI4<\/sub>: Morphology, Photoluminescence, Phase Transition, and Charge Transport. Advanced Science <\/em><\/strong>6, 1802019 (2019).<\/p>\n

5 High-Performance Photodetectors Based on Lead-Free 2D Ruddlesden-Popper Perovskite\/MoS2<\/sub> Heterostructures. ACS Applied Materials & Interfaces<\/em><\/strong> 11, 8419\u20138427 (2019).<\/p>\n

6 Two-Dimensional Lead-Free Perovskite (C6<\/sub>H5<\/sub>C2<\/sub>H4<\/sub>NH3<\/sub>)2<\/sub>CsSn2<\/sub>I7<\/sub> with High Hole Mobility. The Journal of Physical Chemistry Letters<\/em><\/strong> 10, 7-12 (2018).<\/p>\n

7 Two-Step Growth of 2D Organic\u2013Inorganic Perovskite Microplates and Arrays for Functional Optoelectronics. The Journal of Physical Chemistry Letters<\/em><\/strong> 9, 4532-4538 (2018).<\/p>\n

8 Controllable synthesis of two-dimensional Ruddlesden-Popper-type perovskite heterostructures. The Journal of Physical Chemistry Letters <\/em><\/strong>8, 6211-6219 (2017).<\/p>\n

9 Fabrication of Single Phase 2D Homologous Perovskite Microplates by Mechanical Exfoliation. 2D Materials<\/em><\/strong> 5, 021001 (2018).<\/p>\n

\u8bfe\u9898\u7ec4\u4e3b\u9875\uff1ahttp:\/\/mnmd.oei.hust.edu.cn\/index.htm<\/a><\/p>\n

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

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