{"id":89459,"date":"2017-07-11T06:30:35","date_gmt":"2017-07-10T22:30:35","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=89459"},"modified":"2017-07-10T23:15:19","modified_gmt":"2017-07-10T15:15:19","slug":"%e4%b8%ad%e7%a7%91%e9%99%a2%e5%8c%96%e5%ad%a6%e6%89%80adv-mater-%ef%bc%9a%e5%8f%8c%e5%b1%82pbs%e9%87%8f%e5%ad%90%e7%82%b9%e5%8a%a9%e5%8a%9b%e9%ab%98%e6%80%a7%e8%83%bd%e5%85%89%e7%94%b5%e6%8e%a2","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=89459","title":{"rendered":"\u4e2d\u79d1\u9662\u5316\u5b66\u6240Adv. Mater.\uff1a\u53cc\u5c42PbS\u91cf\u5b50\u70b9\u52a9\u529b\u9ad8\u6027\u80fd\u5149\u7535\u63a2\u6d4b"},"content":{"rendered":"

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

\u5149\u7535\u63a2\u6d4b\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6210\u50cf\u3001\u901a\u4fe1\u548c\u751f\u7269\u4f20\u611f\u7b49\u9886\u57df\u3002\u5e02\u573a\u4e0a\u7684\u5149\u7535\u63a2\u6d4b\u5668\u4e3b\u8981\u662f\u57fa\u4e8e\u7845\u6750\u6599\u548c\u5176\u4ed6III\u2013V\u65cf\u534a\u5bfc\u4f53\u6750\u6599\uff0c\u4f46\u662f\u8fd9\u4e9b\u6750\u6599\u9762\u4e34\u7740\u6210\u672c\u9ad8\uff0c\u4e0d\u6613\u67d4\u6027\u5316\u7b49\u95ee\u9898\u3002PbS\u91cf\u5b50\u70b9\u5177\u6709\u5e26\u9699\u53ef\u8c03\u8303\u56f4\u5bbd\uff080.6~1.6 eV\uff09\u3001\u6469\u5c14\u5438\u5149\u7cfb\u6570\u9ad8\uff08106<\/sup> M-1 <\/sup>cm-1<\/sup>\uff09\uff0c\u5236\u5907\u5de5\u827a\u7b80\u5355\u4ee5\u53ca\u7a33\u5b9a\u6027\u597d\u7b49\u4f18\u70b9\uff0c\u56e0\u6b64\u88ab\u8ba4\u4e3a\u662f\u65b0\u4e00\u4ee3\u67d4\u6027\u5149\u7535\u63a2\u6d4b\u5668\u7684\u4f18\u79c0\u5019\u9009\u6750\u6599\u3002\u73b0\u6709\u7684\u5355\u5c42PbS\u91cf\u5b50\u70b9\u5149\u7535\u63a2\u6d4b\u5668\u9762\u4e34\u7740\u6f0f\u7535\u6d41\u5927\u3001\u5f00\u5173\u6bd4\u4f4e\u3001\u54cd\u5e94\u901f\u5ea6\u6162\u7b49\u95ee\u9898\u3002\u4e5f\u6709\u62a5\u9053\u5c06\u91d1\u5c5e\u7eb3\u7c73\u7c92\u5b50\u3001\u6709\u673a\u6750\u6599\u548c\u77f3\u58a8\u70ef\u7b49\u6750\u6599\u4e0ePbS\u91cf\u5b50\u70b9\u7ed3\u5408\uff0c\u5f62\u6210\u6742\u5316\u578b\u5149\u7535\u63a2\u6d4b\u5668\u4ef6\uff0c\u6b64\u7c7b\u65b9\u6cd5\u6709\u6548\u5730\u589e\u5f3a\u4e86\u5668\u4ef6\u7684\u54cd\u5e94\u5ea6\uff0c\u4f46\u4e5f\u5e26\u6765\u4e86\u975e\u5e38\u9ad8\u7684\u6697\u7535\u6d41\u7b49\u95ee\u9898\uff0c\u4f7f\u5f97\u5668\u4ef6\u7684\u6027\u80fd\u65e0\u6cd5\u5168\u9762\u63d0\u5347\u3002\u56e0\u6b64\uff0c\u5982\u4f55\u514b\u670d\u5355\u5c42PbS\u91cf\u5b50\u70b9\u548c\u6742\u5316PbS\u91cf\u5b50\u70b9\u5149\u7535\u63a2\u6d4b\u5668\u9762\u4e34\u7684\u95ee\u9898\u662f\u4e00\u4e2a\u4e9f\u5f85\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u4e2d\u79d1\u9662\u5316\u5b66\u6240\u738b\u5409\u653f\u3001\u80e1\u52b2\u677e\u6559\u6388<\/strong>\u8054\u5408\u534e\u4e1c\u7406\u5de5\u5927\u5b66\u7279\u8058\u6559\u6388\u949f\u65b0\u534e\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728Adv. Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a \u201cBilayer PbS Quantum Dots for High-Performance Photodetectors<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u5728\u8be5\u9879\u6210\u679c\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u63d0\u51fa\u4e86\u4e00\u79cd\u53cc\u5c42PbS\u91cf\u5b50\u70b9\u7ed3\u6784\u7684\u5149\u7535\u63a2\u6d4b\u5668\uff0c\u4ece\u800c\u5168\u9762\u5730\u63d0\u5347\u4e86PbS\u91cf\u5b50\u70b9\u578b\u5149\u7535\u63a2\u6d4b\u5668\u7684\u6027\u80fd\u53c2\u6570\uff1b\u6784\u9020\u51fa\u4e86\u4e00\u79cd\u5177\u6709\u54cd\u5e94\u901f\u5ea6\u5feb\u3001LDR\u5bbd\u3001\u63a2\u6d4b\u7387\u9ad8\u7b49\u4f18\u70b9\u7684PbS\u91cf\u5b50\u70b9\u578b\u5149\u7535\u63a2\u6d4b\u5668\u3002PbS\u53cc\u5c42\u91cf\u5b50\u70b9\u4e0d\u53d7\u886c\u5e95\u7ea6\u675f\uff0c\u65e2\u53ef\u4ee5\u751f\u957f\u5728\u73bb\u7483\u4e0a\uff0c\u53c8\u53ef\u4ee5\u751f\u957f\u5728PI\u819c\u4e0a\uff0c\u514b\u670d\u4e86\u4f20\u7edf\u5149\u7535\u63a2\u6d4b\u6750\u6599\u7684\u96be\u67d4\u6027\u5316\u7f3a\u70b9\u3002<\/p>\n

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

\u6587\u7ae0\u4e3b\u8981\u5bf9\u6bd4\u7814\u7a76\u4e86\u4e09\u79cd\u4e0d\u540c\u7ed3\u6784\u7684\u5668\u4ef6\uff0c\u5206\u522b\u662fPbS\u91cf\u5b50\u70b9\u6eb6\u4e8eTBAI\u914d\u4f53\u7684\u5355\u5c42\u5668\u4ef6\uff0cPbS\u91cf\u5b50\u70b9\u6eb6\u4e8eEDT\u914d\u4f53\u7684\u5355\u5c42\u5668\u4ef6\uff0c\u4ee5\u53ca\u5c06\u8fd9\u4e24\u79cd\u5355\u5c42\u91cf\u5b50\u70b9\u7ed3\u5408\u5728\u4e00\u8d77\u7684\u53cc\u5c42\u91cf\u5b50\u70b9\u5668\u4ef6\u3002\u7814\u7a76\u53d1\u73b0\u5c06\u4e24\u79cd\u5355\u5c42PbS\u91cf\u5b50\u70b9\u7ed3\u5408\u6210\u7684\u53cc\u5c42\u91cf\u5b50\u70b9\u5668\u4ef6\u6027\u80fd\u5f97\u5230\u663e\u8457\u63d0\u9ad8\u3002<\/p>\n

\u56fe<\/strong>1\uff1a<\/strong>PbS<\/strong>\u91cf\u5b50\u70b9\u7684<\/strong>TEM<\/strong>\u8868\u5f81\u56fe\u3001\u5438\u6536\u8c31\u3001<\/strong>UPS<\/strong>\u3001\u4ee5\u53ca\u80fd\u7ea7\u5206\u5e03<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u6cb9\u9178\u4fee\u9970\u8fc7\u7684PbS\u91cf\u5b50\u70b9\u7684TEM\u56fe\uff1b<\/p>\n

(b) \u539f\u59cb\u6cb9\u9178\u4fee\u9970\u7684PbS\u91cf\u5b50\u70b9\u3001PbS-TBAI\u91cf\u5b50\u70b9\u548cPbS-EDT\u91cf\u5b50\u70b9\u7684\u5438\u6536\u8c31\uff1b<\/p>\n

(c) PbS-TBAI\u91cf\u5b50\u70b9\u8584\u819c\u7684\u7d2b\u5916\u5149\u7535\u5b50\u80fd\u8c31\uff08UPS\uff09\uff0c\u63d2\u56fe\u4e3a\u4e8c\u6b21\u7535\u5b50\u622a\u6b62\u533a\u653e\u5927\u56fe\uff1b<\/p>\n

(d) PbS-EDT\u91cf\u5b50\u70b9\u8584\u819c\u7684\u7d2b\u5916\u5149\u7535\u5b50\u80fd\u8c31\uff08UPS\uff09\uff0c\u63d2\u56fe\u4e3a\u4e8c\u6b21\u7535\u5b50\u622a\u6b62\u533a\u653e\u5927\u56fe\uff1b<\/p>\n

(e) PbS-TBAI\u548cPbS-EDT\u7684\u80fd\u7ea7\u5206\u5e03\u56fe\uff0c\u865a\u7ebf\u4e3a\u8d39\u7c73\u80fd\u7ea7\uff0c\u4e0a\u8fb9\u5b9e\u7ebf\u4e3a\u5bfc\u5e26\u5e95\u4e0b\u8fb9\u5b9e\u7ebf\u4e3a\u4ef7\u5e26\u9876\u3002<\/p>\n

\u56fe<\/strong>2<\/strong>\uff1a<\/strong>PbS<\/strong>\u91cf\u5b50\u70b9\u5668\u4ef6\u7ed3\u6784\u793a\u610f\u56fe\u3001\u80fd\u5e26\u56fe\u4ee5\u53ca\u5149\u6697\u6761\u4ef6\u4e0b\u7684<\/strong>I-V<\/strong>\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5355\u5c42PbS-TBAI\u5668\u4ef6\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

(b) \u5355\u5c42PbS-EDT\u5668\u4ef6\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

(c) \u53cc\u5c42PbS-TBAI\/PbS-EDT\u5668\u4ef6\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

(d) \u53cc\u5c42PbS-TBAI\/PbS-EDT\u7ed3\u6784\u80fd\u5e26\u793a\u610f\u56fe\uff1b<\/p>\n

(e) \u4e09\u79cd\u5668\u4ef6\u7684\u6697\u7535\u6d41I-V\u66f2\u7ebf\uff1b<\/p>\n

(f) \u4e09\u79cd\u5668\u4ef6\u7684\u5149\u7535\u6d41I-V\u66f2\u7ebf\uff0c\u6d4b\u8bd5\u6761\u4ef6\uff1a\u767d\u5149\uff0c0.2mW cm-2<\/sup>\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\uff1a<\/strong>PbS<\/strong>\u91cf\u5b50\u70b9\u5668\u4ef6\u7684\u7535\u6d41\u5f00\u5173\u54cd\u5e94\u66f2\u7ebf\u4ee5\u53ca\u54cd\u5e94\u65f6\u95f4\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

(a, b, c) a, b, c\u5206\u522b\u5bf9\u5e94\u4e09\u79cd\u5668\u4ef6\u7684I-T\u66f2\u7ebf\uff0c\u901a\u8fc7\u89c4\u5b9a\u7684\u9891\u7387\u8c03\u8282\u7167\u5c04\u5149\u7684\u5f00\u5173\uff1b<\/p>\n

(d, e, f) d, e, f\u5206\u522b\u5bf9\u5e94\u4e09\u79cd\u5668\u4ef6\u7684\u4e0a\u5347\u4e0b\u964d\u65f6\u95f4\u66f2\u7ebf\uff1b<\/p>\n

\u6d4b\u8bd5\u6761\u4ef6\uff1a10V\u504f\u538b\uff0c0.20 mW cm\u22122<\/sup>\u767d\u5149\u7167\u5c04\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>\uff1a<\/strong>PbS<\/strong>\u91cf\u5b50\u70b9\u5668\u4ef6\u4e0d\u540c\u6ce2\u957f\u4e0b\u5bf9\u5e94\u7684\u5149\u7535\u6d41\u3001\u54cd\u5e94\u5ea6\u548c\u6bd4\u63a2\u6d4b\u7387<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u4e09\u79cd\u5668\u4ef6\u4e0d\u540c\u6ce2\u957f\u4e0b\u5bf9\u5e94\u5149\u7535\u6d41\u66f2\u7ebf\uff1b<\/p>\n

(b) \u4e09\u79cd\u5668\u4ef6\u4e0d\u540c\u5149\u6ce2\u957f\u4e0b\u5bf9\u5e94\u7684\u54cd\u5e94\u5ea6\u66f2\u7ebf\uff1b<\/p>\n

(c) \u4e09\u79cd\u5668\u4ef6\u4e0d\u540c\u5149\u6ce2\u957f\u4e0b\u7684\u6bd4\u63a2\u6d4b\u7387\u66f2\u7ebf\uff1b<\/p>\n

\u6d4b\u8bd5\u6761\u4ef6\uff1a\u5149\u529f\u738710.6\u03bcW cm-2<\/sup>\uff0c\u504f\u538b\u4e3a10V\u3002<\/p>\n

\u56fe<\/strong>5<\/strong>\uff1a<\/strong>PbS<\/strong>\u91cf\u5b50\u70b9\u5668\u4ef6\u4fe1\u566a\u6bd4\u3001\u5149\u7535\u6d41\u4e0e\u5149\u529f\u7387\u5bc6\u5ea6\u7684\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u4e09\u79cd\u5668\u4ef6\u5728\u4e0d\u540c\u5149\u80fd\u91cf\u5bc6\u5ea6\u4e0b\u7684\u4fe1\u566a\u6bd4\uff1b<\/p>\n

(b) \u4e09\u79cd\u5668\u4ef6\u5728\u4e0d\u540c\u5149\u80fd\u91cf\u5bc6\u5ea6\u4e0b\u7684\u5149\u7535\u6d41\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/strong>6<\/strong>\uff1a\u67d4\u6027\u5668\u4ef6\u5b9e\u7269\u56fe\uff0c\u5149\u7535\u6d41\u54cd\u5e94\u4e0e\u5149\u529f\u7387\u5bc6\u5ea6\u7684\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5236\u5907\u5728PI\u819c\u4e0a\u7684\u53cc\u5c42PbS\u91cf\u5b50\u70b9\u67d4\u6027\u5668\u4ef6\u5b9e\u7269\u56fe\uff1b<\/p>\n

(b) \u67d4\u6027\u5668\u4ef6\u5728\u4e0d\u540c\u5149\u5f3a\u4e0b\u7684\u5149\u7535\u6d41\u53d8\u5316\u56fe\uff0c\u6d4b\u8bd5\u6761\u4ef6\uff1a10V\u504f\u538b\u3002<\/p>\n

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

\u7814\u7a76\u8005\u5229\u7528\u4e24\u79cd\u5355\u5c42PbS\u91cf\u5b50\u70b9\u8fdb\u884c\u4e00\u4e2a\u7b80\u5355\u7684\u7ec4\u5408\uff0c\u5236\u5907\u51fa\u53cc\u5c42PbS\u91cf\u5b50\u70b9\u5668\u4ef6\uff0c\u4ece\u800c\u6709\u6548\u7684\u63d0\u5347\u4e86\u5149\u7535\u63a2\u6d4b\u5668\u7684\u6027\u80fd\u53c2\u6570\u3002\u8fd9\u4e00\u65b9\u6cd5\u6784\u601d\u5de7\u5999\uff0c\u5236\u5907\u5de5\u827a\u7b80\u5355\u53ef\u884c\u3002\u4e3aPbS\u91cf\u5b50\u70b9\u5149\u7535\u63a2\u6d4b\u5668\u4ef6\u7684\u7814\u7a76\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5168\u65b0\u7684\u601d\u8def\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Bilayer PbS Quantum Dots for High-Performance Photodetectors<\/a>(Adv. Mater.,2017,DIO: 10.1002\/adma.201702055)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u4eba\u7f16\u8f91\u90e8\u5218\u4e8e\u91d1\u7f16\u8bd1\uff0c\u8d75\u98de\u9f99\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

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

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