{"id":149154,"date":"2018-08-07T06:23:27","date_gmt":"2018-08-06T22:23:27","guid":{"rendered":"\/\/m.iemloyee.com\/?p=149154"},"modified":"2018-08-07T11:13:44","modified_gmt":"2018-08-07T03:13:44","slug":"%e5%a4%8d%e6%97%a6%e5%a4%a7%e5%ad%a6nano-letters%ef%bc%9a%e9%9b%86%e6%88%90%e6%99%b6%e6%a0%bc%e5%8c%b9%e9%85%8d%e2%85%a1%e5%9e%8bse-n-si%e5%bc%82%e8%b4%a8%e7%bb%93%e5%9f%ba%e9%ab%98%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=149154","title":{"rendered":"\u590d\u65e6\u5927\u5b66Nano Letters\uff1a\u96c6\u6210\u6676\u683c\u5339\u914d\u2161\u578bSe\/n-Si\u5f02\u8d28\u7ed3\u57fa\u9ad8\u6027\u80fd\u7845\u517c\u5bb9\u5927\u9762\u79ef\u7d2b\u5916-\u53ef\u89c1\u5bbd\u5e26\u5149\u7535\u63a2\u6d4b\u5668"},"content":{"rendered":"

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

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Sb2<\/sub>S3<\/sub>\u3001ZrS3<\/sub>\u3001CdS\u3001CdSe\u3001\u77f3\u58a8\u70ef\u6c27\u5316\u7269\u548c\u9499\u949b\u77ff\u7b49\u591a\u79cd\u5177\u6709\u9002\u5f53\u5e26\u9699\u7684\u6750\u6599\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u7814\u7a76\u7528\u4e8e\u7d2b\u5916\u53ef\u89c1\u5149\u68c0\u6d4b\u5668\u3002\u4f5c\u4e3a\u4e00\u4e2a\u7a33\u5b9a\u7684\u5408\u9002\u6750\u6599\uff0c\u5143\u7d20\u7852\u7531\u4e8e\u5176\u4f18\u826f\u7684\u6027\u80fd\u5f97\u5230\u4e86\u8d8a\u6765\u8d8a\u591a\u7684\u5173\u6ce8\u3002\u9664\u4e86\u5176\u9002\u5f53\u7684\u5e26\u9699\uff08\u7ea61.7 eV\uff09\uff0c\u7852\u5177\u6709\u5f88\u9ad8\u7684\u6297\u6c27\u5316\u6027\u548c\u6297\u6f6e\u6e7f\u6027, \u8d85\u8fc7\u5176\u4ed6\u5177\u6709\u7c7b\u4f3c\u5e26\u9699\u7684\u534a\u5bfc\u4f53, \u5982\u91d1\u5c5e\u786b\u5316\u7269, \u91d1\u5c5e\u7852\u548c\u9499\u949b\u77ff\u3002\u6b64\u5916\uff0c\u5176\u9002\u5ea6\u7684\u7194\u70b9\u6709\u5229\u4e8e\u6c14\u76f8\u5236\u9020\u9ad8\u8d28\u91cf\u7684\u6676\u4f53\u3002\u6b64\u5916, \u5728\u5149\u7167\u540e, \u7852\u7684\u7535\u5bfc\u7387\u53d1\u751f\u4e86\u663e\u8457\u53d8\u5316, \u8bb8\u591a\u91d1\u5c5e\u534a\u5bfc\u4f53\u91d1\u5c5e (MSM) \u63a2\u6d4b\u5668\u90fd\u662f\u57fa\u4e8e\u7852\u6750\u6599\u5f00\u53d1\u7684\u3002\u7136\u800c, \u8fd9\u4e9b MSM \u578b\u5668\u4ef6\u5177\u6709\u7852\u6750\u6599\u7684\u6697\u7535\u963b, \u9650\u5236\u4e86\u83b7\u5f97\u9ad8\u5f00\/\u5173\u6bd4\u3002<\/p>\n

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

\u8fd1\u65e5\u590d\u65e6\u5927\u5b66\u65b9\u6653\u751f\u6559\u6388\u8bfe\u9898\u7ec4\u5728Nano Letters\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cHigh-performance Silicon-compatible Large-area UV-to-visible Broadband Photodetector Based on Integrated Lattice-matched type II<\/span> Se\/n-Si Heterojunctions\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u6587\u7ae0\u63d0\u51fa\u5e76\u5f00\u53d1\u4e86\u4e00\u79cd\u91d1\u8bf1\u5bfc\uff0cNH4<\/sub>Cl\u8f85\u52a9\u6c14\u76f8\u5408\u6210\u7684\u5236\u5907\u8def\u7ebf\uff0c\u4ee5\u5728\u6676\u683c\u5339\u914d\uff08111\uff09\u6676\u9762\u53d6\u5411\u7684\u7845\u886c\u5e95\u4e0a\u5f62\u6210\u5782\u76f4\u5bf9\u51c6\u7684\u4e9a\u5fae\u7c73Se\u6676\u4f53\uff0c\u57fa\u4e8e\u6b64\u6784\u5efa\u4e86\u9ad8\u6027\u80fd\u7684\u5927\u9762\u79ef\u7845\u517c\u5bb9\u5149\u7535\u63a2\u6d4b\u5668\u3002\u7531\u4e8e\u80fd\u5e26\u7ed3\u6784\u548c\u5f3a\u4e0d\u5bf9\u79f0\u8017\u5c3d\u533a\uff0c\u5236\u5907\u7684Se \/ Si\u5668\u4ef6\u5728IR\u533a\u57df\u4e4b\u524d\u4fdd\u6301\u4e0e\u7852\u5668\u4ef6\u7c7b\u4f3c\u7684\u622a\u6b62\u6ce2\u957f\uff0c\u4ee5\u53ca\u5728\u7d2b\u5916-\u53ef\u89c1\u5149\u6ce2\u6bb5\u5185\u8868\u73b0\u51fa\u9ad8\u6027\u80fd\u5bbd\u5e26\u5149\u54cd\u5e94\u3002\u5927\u9762\u79ef\u5149\u7535\u63a2\u6d4b\u5668\u5728-2 V\u504f\u538b\u4e0b\u4fdd\u6301\u975e\u5e38\u4f4e\u7684\u6f0f\u7535\u6d41\uff0c\u5e76\u4e14\u5728500 nm\u5904\u5177\u670962 nA\u8f83\u9ad8\u7684\u5149\u7535\u6d41\uff0c\u540c\u65f6\u5177\u6709\u9ad8\u8fbe103<\/sup>~104<\/sup>\u7684\u5f00\/\u5173\u6bd4\u3002\u5f53\u53d6\u6d88\u504f\u7f6e\u7535\u538b\u65f6\u53ef\u4ee5\u6e05\u695a\u5730\u89c2\u5bdf\u5230\u5149\u54cd\u5e94\u3002\u8109\u51b2\u54cd\u5e94\u7cbe\u786e\u5730\u63d0\u4f9b\u4e86\u8f83\u9ad8\u7684\u54cd\u5e94\u901f\u5ea6\uff08\u03c4rise<\/sub>+\u03c4fall<\/sub>~1.975ms\uff09\uff0c\u8d85\u8fc7\u5f53\u524d\u6587\u732e\u62a5\u544a\u4e2d\u6700\u5feb\u7684\u57fa\u4e8eSe\u7684\u5149\u7535\u63a2\u6d4b\u5668\u3002\u5176\u589e\u5f3a\u7684\u5149\u7535\u7279\u6027\u548c\u81ea\u529b\u5149\u54cd\u5e94\u4e3b\u8981\u6765\u6e90\u4e8e\u96c6\u6210\u7684\u9ad8\u8d28\u91cf\uff0c\u5177\u6709\u6676\u683c\u5339\u914d\u548cII\u578b\u80fd\u5e26\u5339\u914d\u7684Se \/ n-Si p-n\u5f02\u8d28\u7ed3\u3002<\/p>\n

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

\u56fe1.\u91d1\u8bf1\u5bfc\uff0cNH4<\/sub>Cl\u8f85\u52a9\u6c14\u76f8\u5408\u6210\u5236\u5907\u7684Se\u6676\u4f53<\/p>\n

\"\"<\/p>\n

\uff08a-c\uff09\u5728\uff08111\uff09\u7845\u7247\u4e0a\u5236\u5907\u7684Se\u6676\u4f53<\/p>\n

\uff08d\uff09\u5728\uff08100\uff09\u7845\u7247\u4e0a\u5236\u5907\u7684Se\u6676\u4f53<\/p>\n

\uff08e\uff09\u91c7\u7528CASTEP\u5bf9Se(JCPDS#65-1060)-Si(JCPDS#06-0362)\u63a5\u89e6\u7684\u7b2c\u4e00\u6027\u539f\u7406\u7ed3\u6784\u4f18\u5316\u7ed3\u679c<\/p>\n

\uff08f\uff09Se\u6676\u4f53TEM\u56fe\u50cf<\/p>\n

\uff08g\uff09Se\u6676\u4f53HRTEM\u56fe\u50cf<\/p>\n

\uff08h\uff09\u4e09\u65b9\u6676\u7cfbSe(JCPDS#06-0362)\u7684\u6676\u4f53\u7ed3\u6784\u6a21\u578b\u793a\u610f\u56fe<\/p>\n

\uff08i-k\uff09[100]\uff0c[110]\uff0c[010]\u6676\u5e26\u8f74\u7684SAED\u56fe\u50cf<\/p>\n

\uff08l\uff09Se\u6676\u4f53EDS\u56fe\u50cf<\/p>\n

\uff08m\uff09\u5206\u522b\u5728Si(111)<\/sub>\u7247\u548cSi(100)<\/sub>\u7247\u4e0a\u751f\u957f\u7684Se\u6676\u4f53XRD\u6d4b\u8bd5\u7ed3\u679c<\/p>\n

\u56fe2. \u5728PDMS\u8584\u819c\u4e2d\u534a\u5d4c\u5165\u7684Se\u6676\u4f53\u7684SEM\u56fe\u50cf<\/p>\n

\"\"<\/p>\n

\u56fe3. \u5149\u7535\u6027\u80fd\u793a\u610f\u56fe<\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u5206\u522b\u5728350 nm (1.12 mW cm-2<\/sup>), 500 nm (1.52 mW cm-2<\/sup>) \u548c600 nm (0.84 mW cm-2<\/sup>)\u7684\u5149\u5f3a\u4e0b\u4ee5\u53ca\u6697\u5904\u7684I-V\u66f2\u7ebf<\/p>\n

\uff08b\uff09\u5236\u5907\u7684Se\/Si p-n\u5f02\u8d28\u7ed3\u5149\u7535\u63a2\u6d4b\u5668\u5728500 nm (1.52 mW cm-2<\/sup>)\u5149\u5f3a\u4e0b\uff0c\u5206\u522b\u5728-2V\u548c0V\u4e0b\u7684I-t\u66f2\u7ebf<\/p>\n

\uff08c\uff09\u5728-2V\u504f\u538b\u4e0bSe\/Si\u5149\u7535\u63a2\u6d4b\u5668\u5bf93 Hz 355 nm\u7684\u6fc0\u5149\u8109\u51b2\u7684\u5149\u54cd\u5e94\uff08\u63d2\u56fe\uff1a\u6d4b\u8bd5\u7535\u8def\u539f\u7406\u56fe\uff09<\/p>\n

\uff08d\uff09\u5728\uff08c\uff09\u56fe\u4e2d\u7684\u5355\u4e00\u5468\u671f\u8109\u51b2\u54cd\u5e94<\/p>\n

\uff08e\uff09\u8ba1\u7b97\u5f97\u51fa\u7684Se\/Si p-n\u5f02\u8d28\u7ed3\u5149\u7535\u63a2\u6d4b\u5668\u7684\u54cd\u5e94\u7387\u548c\u63a2\u6d4b\u7387<\/p>\n

\uff08f\uff09Se\/Si p-n\u5f02\u8d28\u7ed3\u5149\u7535\u63a2\u6d4b\u5668\u7684EQE\u66f2\u7ebf<\/p>\n

\u56fe4.\u4e9a\u5fae\u7c73Se\u6676\u4f53\u7684\u5149\u5b66\u6027\u80fd\u53caSe\/n-Si\u5f02\u8d28\u7ed3\u7684\u5149\u4f0f\u6548\u5e94<\/p>\n

\"\"<\/p>\n

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\uff08c\uff09\u5728-2V\u504f\u538b\u4e0b\uff0c500 nm\u5149\u5f3a\u4e0b\u5149\u7535\u6d41\u4e0e\u5149\u5bc6\u5ea6\u7684\u5173\u7cfb\uff08\u63d2\u56fe\uff1a\u8be5\u5149\u5f3a\u4e0b\u5149\u7535\u6d41\u7684\u53d8\u5316\uff09<\/p>\n

\uff08d\uff09\u5728-2V\u504f\u538b\u4e0b\uff0c700 nm\u5149\u5f3a\u4e0b\u5149\u7535\u6d41\u4e0e\u5149\u5bc6\u5ea6\u7684\u5173\u7cfb\uff08\u63d2\u56fe\uff1a\u8be5\u5149\u5f3a\u4e0b\u5149\u7535\u6d41\u7684\u53d8\u5316\uff09<\/p>\n

\u3010\u7ed3\u8bba\u4e0e\u5c55\u671b\u3011<\/strong><\/p>\n

\u6587\u7ae0\u63d0\u51fa\u5e76\u5f00\u53d1\u4e86\u4e00\u79cd\u91d1\u8bf1\u5bfc\u7684NH4<\/sub>Cl\u8f85\u52a9\u7684\u57fa\u4e8e\u84b8\u6c14\u7684\u9014\u5f84\uff0c\u4ee5\u5728n\u578b\u63ba\u6742\u7684Si\uff08111\uff09\u6676\u7247\u4e0a\u5916\u5ef6\u751f\u957f\u5782\u76f4\u6392\u5217\u7684\u4e9a\u5fae\u7c73Se\u6676\u4f53\u3002\u7136\u540e\uff0c\u57fa\u4e8e\u96c6\u6210\u7684\u5177\u6709\u6676\u683c\u5339\u914d\u548cII\u578b\u80fd\u5e26\u5339\u914d\u7684Se\/n-Si p-n\u5f02\u8d28\u7ed3\u6784\u5efa\u4e86\u5927\u9762\u79ef\u7845\u517c\u5bb9\u7684\u7d2b\u5916-\u53ef\u89c1\u5149\u68c0\u6d4b\u5668\u3002\u9ad8\u8d28\u91cf\u7684p-n\u5f02\u8d28\u7ed3\u548c\u5355\u6676p\u578b\u548cn\u578b\u6750\u6599\u6709\u6548\u5730\u4fdd\u8bc1\u4e86\u5668\u4ef6\u7684\u9ad8\u6027\u80fd\u3002Se\/Si II\u578b\u5f02\u8d28\u7ed3\u7684\u5149\u4f0f\u6548\u5e94\u548c\u7852\u7684\u5149\u7535\u5bfc\u6027\u8d28\u533a\u57df\u5728Se\u5438\u6536\u533a\u57df\u5185\u7684\u5149\u54cd\u5e94\uff0c\u5e76\u4e14Se \/ Si\u5668\u4ef6\u901a\u5e38\u4fdd\u6301\u7852\u5728\u7ea2\u5916\u6ce2\u6bb5\u4ee5\u4e0b\u7684\u622a\u6b62\u6ce2\u957f\u3002\u5176\u5728\u8f83\u957f\u6ce2\u957f\u5904\u5269\u4f59\u7684\u4f4e\u54cd\u5e94\u5ea6\u5f52\u56e0\u4e8e\u7845\u7684\u5149\u7535\u5bfc\u6548\u5e94\u548c\u589e\u52a0\u7684\u5149\u70ed\u6548\u5e94\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aHigh-performance Silicon-compatible Large-area UV-to-visible Broadband Photodetector Based on Integrated Lattice-matched type II<\/span><\/span> Se\/n-Si Heterojunctions<\/a>\uff08Nano letters\uff0c2018\uff0cDOI: 10.1021\/acs.nanolett.8b00988\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4\u6768\u5b50\u952e\u6574\u7406\u7f16\u8f91\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

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 <\/p>\n","protected":false},"excerpt":{"rendered":"

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