{"id":165054,"date":"2019-01-19T06:20:51","date_gmt":"2019-01-18T22:20:51","guid":{"rendered":"\/\/m.iemloyee.com\/?p=165054"},"modified":"2019-01-29T22:26:06","modified_gmt":"2019-01-29T14:26:06","slug":"%e5%b7%b2%e6%a0%a1-%e5%8c%97%e7%a7%91%e5%a4%a7%e5%bc%a0%e8%b7%83%e5%bc%a0%e9%93%aenano-energy-%e5%8e%8b%e7%94%b5%e6%95%88%e5%ba%94%e5%af%b9%e8%b6%85%e7%81%b5%e6%95%8f%e6%9f%94%e6%80%a7%e5%85%89","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=165054","title":{"rendered":"\u5317\u79d1\u5927\u5f20\u8dc3&\u5f20\u94eeNano Energy : \u538b\u7535\u6548\u5e94\u5bf9\u8d85\u7075\u654f\u67d4\u6027\u5149\u7535\u63a2\u6d4b\u5668\u4e2d\u6df7\u5408\u7ef4\u5ea6\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u7684\u754c\u9762\u7535\u8377\u8c03\u63a7"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \n \u7531\u4e8e\u539f\u5b50\u7ea7\u7684\u539a\u5ea6\u3001\u72ec\u7279\u7684\u6805\u6781\u53ef\u8c03\u6027\u3001\u4f18\u5f02\u7684\u673a\u68b0\u5f3a\u5ea6\u4ee5\u53ca\u826f\u597d\u7684\u5149\u7535\u6027\u80fd\uff0c\u6805\u6781\u8c03\u63a7\u8303\u5fb7\u534e(vdWs)\u5f02\u8d28\u7ed3\u6027\u80fd\u5df2\u7ecf\u5728\u65b0\u578b\u5149\u7535\u5b50\u5b66\u4e2d\u5177\u6709\u8f83\u5927\u7684\u5e94\u7528\uff0c\u5982\u4e24\u7aefFET\u3001\u975e\u6613\u5931\u6027\u5b58\u50a8\u5668\u3001\u5149\u7535\u63a2\u6d4b\u5668\u3002\u8fd9\u79cd\u6805\u6781\u53ef\u8c03\u6027\u5bf9\u4e8evdWs\u5f02\u8d28\u7ed3\u6784\u5668\u4ef6\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u5728\u786c\u8d28\u57fa\u5e95(\u5982SiO2<\/sub>\/Si)\u4e0a\u53ef\u901a\u8fc7\u5916\u52a0\u9759\u7535\u573a\u6765\u5b9e\u73b0\u3002\u7136\u800c\uff0c\u67d4\u6027\u5668\u4ef6\u52a0\u5de5\u590d\u6742\u6027\uff0c\u7535\u6781\u4e0e\u6750\u6599\u4e4b\u95f4\u5f2f\u66f2\u6ed1\u79fb\u9650\u5236\u4e86\u8fd9\u79cd\u8c03\u63a7\u65b9\u6cd5\u5728vdWs\u5f02\u8d28\u7ed3\u67d4\u6027\u5149\u7535\u5b50\u5668\u4ef6\u4e2d\u7684\u6f5c\u5728\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u9700\u8981\u63d0\u51fa\u65b0\u7684\u8c03\u63a7\u624b\u6bb5\u6765\u5b9e\u73b0\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u67d4\u6027\u5668\u4ef6\u7684\u6805\u538b\u8c03\u63a7\u3002\u6df7\u5408\u7ef4\u5ea6vdWs\u5f02\u8d28\u7ed3\u53ef\u5c06\u4e0d\u540c\u7ef4\u5ea6\u7684\u6750\u6599\u4efb\u610f\u96c6\u6210\uff0c\u4f7f\u5f97\u4e0d\u540c\u6750\u6599\u7684\u7279\u6027\u8026\u5408\u6765\u6784\u7b51\u9ad8\u6027\u80fd\u5668\u4ef6\u3002\u6b64\u5916\uff0c\u4e8c\u7ef4\u4e8c\u7852\u5316\u94a8(WSe2<\/sub>)\u5177\u6709\u9ad8\u8fbe350 cm2<\/sup>\u00b7V-1<\/sup>\u00b7S-1<\/sup>\u7684\u9ad8\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u548c\u8d85\u5f3a\u7684\u5149-\u7269\u8d28\u76f8\u4e92\u4f5c\u7528\u7279\u6027\u3002\u4e0a\u8ff0\u7279\u6027\u4f7f\u5176\u6210\u4e3a\u7528\u4e8e\u6784\u5efa\u8303\u5fb7\u534ep-n\u5f02\u8d28\u7ed3\u7684\u826f\u597dp\u578b\u534a\u5bfc\u4f53\uff0c\u5e76\u4e14\u6709\u671b\u5728\u5bbd\u5149\u8c31\u5149\u7535\u63a2\u6d4b\u5668(PD)\u4e2d\u5f97\u5230\u5e94\u7528\u3002\u4e00\u7ef4ZnO\u5177\u6709\u4f18\u5f02\u7684\u538b\u7535\u6027\u80fd\u548c\u9ad8\u7535\u5b50\u8fc1\u79fb\u7387\uff0c\u53ef\u7528\u4e8e\u6784\u5efa\u9ad8\u6027\u80fd\u7684\u6df7\u5408\u7ef4\u5ea6vdWs p-n\u5f02\u8d28\u7ed3\u6784\u3002\u5229\u7528ZnO\u7684\u538b\u7535\u6027\u80fd\u6765\u8c03\u63a7\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u754c\u9762\u7684\u8f7d\u6d41\u5b50\u4f20\u8f93\u662f\u975e\u5e38\u6709\u524d\u666f\u7684\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \n \u8fd1\u65e5\uff0c\u5317\u4eac\u79d1\u6280\u5927\u5b66\u5f20\u8dc3\u6559\u6388\u3001\u5f20\u94ee\u526f\u6559\u6388(\u5171\u540c\u901a\u8baf\u4f5c\u8005)\u7b49<\/strong>\u63d0\u51fa\u4e00\u79cd\u72ec\u7279\u7684\u5e94\u53d8\u63a7\u5236\u65b9\u6cd5\u6765\u8c03\u63a72D WSe2<\/sub>-1D ZnO vdWs\u754c\u9762\u7535\u8377\uff0c\u5e76\u901a\u8fc7\u8c03\u6574WSe2<\/sub>\u7684\u7535\u5b50\u6001\u6765\u8c03\u5236\u5176\u5149\u654f\u6027\u80fd\uff0c\u5e76\u5728Nano Energy<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cPiezotronic Effect on Interfacial Charge Modulation in Mixed-dimensional Van der Waals Heterostructure for Ultrasensitive Flexible Photodetectors<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u968f\u7740\u62c9\u4f38\u5e94\u53d8\u7684\u589e\u52a0\uff0c\u5668\u4ef6\u7684\u5149\u7535\u6d41\u660e\u663e\u589e\u5f3a\uff0c\u5e76\u4e14\u5728\u767d\u5149\u7167\u5c04\u4e0b\u76f8\u5e94\u7684\u5149\u54cd\u5e94\u5ea6\u8fbe\u5230394 mA\u00b7W-1<\/sup>\u3002\u5176\u6027\u80fd\u589e\u5f3a\u53ef\u5f52\u56e0\u4e8eZnO\u7eb3\u7c73\u5e26\u6781\u6027\u8868\u9762\u4e0a\u7684\u5e94\u53d8\u8bf1\u5bfc\u7684\u538b\u7535\u6781\u5316\u7535\u8377\uff0c\u5145\u5f53\u4e86\u201c\u6805\u6781\u201d\u6765\u8c03\u8282WSe2<\/sub>-ZnO vdWs\u754c\u9762\u5904\u7684\u5149\u751f\u8f7d\u6d41\u5b50\u7684\u5c40\u90e8\u4f20\u8f93\u3002\u8be5\u5de5\u4f5c\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u7684\u7b56\u7565\u6765\u5b9e\u73b0vdWs\u754c\u9762\u548c\u5e94\u53d8\u523a\u6fc0\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u62d3\u5bbd\u4e86\u529f\u80fd\u6027vdWs\u5f02\u8d28\u7ed3\u6784\u5728\u4e0b\u4e00\u4ee3\u5149\u7535\u63a2\u6d4b\u6216\u6210\u50cf\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n \u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong> a) \u5be1\u5c42WSe2<\/sub>-ZnO\u7eb3\u7c73\u5e26\u67d4\u6027p-n\u5149\u7535\u63a2\u6d4b\u5668\u7684\u5236\u5907\u8fc7\u7a0b\u793a\u610f\u56fe\uff1b \u56fe2 WSe2<\/sub>-ZnO vdWs\u5f02\u8d28\u7ed3\u6784\u7684PL\u548cSKPM\u8868\u5f81<\/strong><\/p>\n a) WSe2<\/sub>-ZnO vdWs\u5f02\u8d28\u7ed3\u6784\u7684PL\u56fe\u50cf\uff0c\u5185\u63d2\u4e3a\u6a59\u8272\u77e9\u5f62\u533a\u57df\u4e2dPL\u56fe\u50cf\u7684\u5c40\u90e8\u653e\u5927\uff0c\u6a59\u8272\u865a\u7ebf\u4e2d\u4e3aWSe2<\/sub>-ZnO\u5806\u53e0\u533a\u57df\u7684PL\u56fe\u50cf\uff1b \u56fe3 WSe2<\/sub>-ZnO vdWs\u5f02\u8d28\u7ed3\u6784\u7684\u7535\u5b66\u548c\u5149\u54cd\u5e94\u6027\u8d28<\/strong><\/p>\n a) \u67d4\u6027PET\u57fa\u5e95\u4e0a\u7684WSe2<\/sub>-ZnO PD\u7684\u793a\u610f\u56fe\uff1b \u56fe4 \u4e0d\u540c\u5e94\u53d8\u4e0bWSe2<\/sub>-ZnO\u5f02\u8d28\u7ed3\u6784\u7684\u5149\u81f4\u53d1\u5149\u7279\u6027<\/strong><\/p>\n a) WSe2<\/sub>\u5728\u4e0d\u540c\u5e94\u53d8\u6761\u4ef6\u4e0b\u7684\u5149\u81f4\u53d1\u5149\u5149\u8c31\uff0c\u6b63\u8d1f\u767e\u5206\u6bd4\u5206\u522b\u4ee3\u8868\u62c9\u4f38\u548c\u538b\u7f29\u5e94\u53d8\uff1b \u56fe5 \u81ea\u9a71\u52a8WSe2<\/sub>-ZnO PD\u7684\u538b\u7535\u8c03\u63a7\u6027\u80fd<\/strong><\/p>\n a) \u5149\u7167\u4e0b\u3001\u62c9\u4f38\u5e94\u53d8\u4e0b\uff0c\u67d4\u6027WSe2<\/sub>-ZnO PD\u7684\u793a\u610f\u56fe\uff1b \u56fe6 WSe2<\/sub>\/ZnO PD\u5728\u5149\u5bfc\u6a21\u5f0f\u4e0b\u7684\u538b\u7535\u8c03\u63a7\u6027\u80fd<\/strong><\/p>\n a) \u56fa\u5b9a\u5149\u5bc6\u5ea6\u4e3a0.667 mW\u00b7cm-2<\/sup>\uff0cWSe2<\/sub>-ZnO\u5f02\u8d28\u7ed3\u5728\u4e0d\u540c\u5e94\u53d8\u4e0b\u7684\u8f93\u51fa\u7279\u6027\u66f2\u7ebf\uff1b \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \n \u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u5229\u7528\u538b\u7535\u6548\u5e94\u6240\u5e26\u6765\u7684\u5e94\u53d8\u8c03\u63a7\u6784\u7b51\u4e86\u9ad8\u6027\u80fdWSe2<\/sub>-ZnO\u67d4\u6027\u5149\u7535\u63a2\u6d4b\u5668\uff0c\u7cfb\u7edf\u5730\u63d0\u51fa\u5e76\u8bc1\u660e\u4e86\u5e94\u53d8\u8c03\u63a7\u673a\u7406\uff0c\u5176\u4e2d\u5e94\u53d8\u8bf1\u5bfc\u7684\u538b\u7535\u6781\u5316\u7535\u8377\u80fd\u591f\u6709\u6548\u5730\u8c03\u8282WSe2<\/sub>-ZnO vdWs\u5f02\u8d28\u754c\u9762\u5904\u7684\u7535\u8377\u4f20\u8f93\u3002 \u968f\u7740\u62c9\u4f38\u5e94\u53d8\u7684\u589e\u52a0\uff0c\u5149\u7535\u63a2\u6d4b\u5668\u5728\u81ea\u4f9b\u7535\u6a21\u5f0f\u4e0b\u7684\u54cd\u5e94\u7535\u6d41\u548c\u5149\u54cd\u5e94\u5ea6\u660e\u663e\u589e\u5f3a\u3002\u5728\u5149\u5bfc\u6a21\u5f0f\u4e0b\uff0c\u5668\u4ef6\u5149\u7535\u6d41\u4ece61 pA\u589e\u52a0\u5230320 pA\uff0c\u4e14\u5149\u54cd\u5e94\u5ea6\u4ece117 mA\u00b7W-1<\/sup>\u589e\u52a0\u5230394 mA\u00b7W-1<\/sup>\u3002\u8be5\u5de5\u4f5c\u4e3a\u8c03\u63a7vdWs\u5f02\u8d28\u754c\u9762\u63d0\u4f9b\u4e86\u4e00\u79cd\u5e94\u53d8\u5de5\u7a0b\u7b56\u7565\uff0c\u5e76\u4e3a\u4e0b\u4e00\u4ee3\u67d4\u6027\u5149\u7535\u5b50\u5b66\u63d0\u4f9b\u4e86\u91cd\u8981\u53c2\u8003\u3002<\/p>\n
\n \u56fe1 WSe2<\/sub>-ZnO\u7684\u6784\u7b51\u53ca\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n<\/p>\n
\n b) \u67d4\u6027\u5149\u7535\u63a2\u6d4b\u5668\u5728\u62c9\u4f38\u5e94\u53d8\u4e0b\u7684\u5149\u5b66\u56fe\u50cf\uff0c\u5185\u63d2\u4e3a\u67d4\u6027\u5149\u7535\u63a2\u6d4b\u5668\u7684\u7ed3\u6784\uff0c\u7531\u5be1\u5c42WSe2<\/sub>\u3001ZnO\u7eb3\u7c73\u5e26\u548c\u7535\u6781\u7ec4\u6210\uff1b
\n c) \u5be1\u5c42WSe2<\/sub>-ZnO\u7eb3\u7c73\u5e26\u67d4\u6027p-n\u5149\u7535\u63a2\u6d4b\u5668\u7684\u5de5\u4f5c\u539f\u7406\u793a\u610f\u56fe\u3002<\/p>\n<\/p>\n
\n b) \u4ecea\u56fe\u5185\u63d2\u4e2d\u7a81\u51fa\u663e\u793a\u7684\u4e0d\u540c\u70b9\u83b7\u5f97\u7684PL\u5149\u8c31\uff1b
\n c) WSe2<\/sub>\/ZnO\u5f02\u8d28\u7ed3\u533a\u7684SKPM\u56fe\u50cf\uff0c\u5176\u4e2d\u767d\u8272\u865a\u7ebf\u533a\u57df\u8868\u793aWSe2<\/sub>\uff0c\u767d\u70b9\u865a\u7ebf\u533a\u57df\u8868\u793aZnO\uff1b
\n d) \u5c42\u72b6WSe2<\/sub>\u548cZnO\u7eb3\u7c73\u5e26\u4e4b\u95f4\u7684CPD\u503c\uff0c\u5176\u4e2d\u4ecec\u4e2d\u7684\u7ea2\u7ebf\u63d0\u53d6\u7684\u6570\u636e\u503c\u7ea6\u4e3a80 meV\u3002<\/p>\n<\/p>\n
\n b) \u67d4\u6027WSe2<\/sub>-ZnO\u4e8c\u6781\u7ba1\u57280 %\u5e94\u53d8\u4e0b\u7684\u7ebf\u6027\u548c\u5bf9\u6570\u523b\u5ea6\u7684\u7535\u6d41-\u7535\u538b\u66f2\u7ebf\uff1b
\n c) \u57280 %\u5e94\u53d8\u3001\u4e0d\u540c\u5149\u7167\u5f3a\u5ea6\u4e0b\uff0cWSe2<\/sub>-ZnO PD\u7684I-V\u7279\u6027\u66f2\u7ebf\uff1b
\n d) WSe2<\/sub>-ZnO\u5f02\u8d28\u7ed3\u6784\u4e2d\u5149\u4f0f\u6548\u5e94\u7684\u793a\u610f\u56fe\uff0c\u84dd\u8272\u7bad\u5934\u8868\u793a\u7535\u5b50\/\u7a7a\u7a74\u79fb\u52a8\u65b9\u5411\uff1b
\n e) WSe2<\/sub>-ZnO PD\u7684\u5149\u7535\u6d41\u968f\u5149\u7167\u5f3a\u5ea6\u7684\u53d8\u5316\uff1b
\n f) WSe2<\/sub>-ZnO PD\u7684\u54cd\u5e94\u5ea6\u968f\u5149\u7167\u5f3a\u5ea6\u7684\u53d8\u5316\u3002<\/p>\n<\/p>\n
\n b) \u5bf9\u4e8e\u6240\u793a\u5e94\u53d8\uff0c\u57281.45-1.7 eV\u8303\u56f4\u5185\u7684\u5149\u81f4\u53d1\u5149\u5149\u8c31(\u6697\u7ebf)\uff0c\u95f4\u63a5\u5e26\u9699\u53d1\u5c04(I)\u3001\u4e2d\u6027\u6fc0\u5b50(A)\u548c\u5e26\u7535\u6fc0\u5b50(A–<\/sup>)\u5171\u632f\u968f\u5e94\u53d8\u8868\u73b0\u4e0d\u540c\uff0c\u84dd\u7ebf\u662f\u5bf9\u5b9e\u9a8c\u7ed3\u679c\u7684\u6d1b\u4f26\u5179\u62df\u5408\uff0cI\u3001A–<\/sup>\u548cA\u7ec4\u5206\u4ee5\u7eff\u8272\u3001\u7ea2\u8272\u3001\u6df1\u7d2b\u7ea2\u8272\u7ebf\u5206\u522b\u663e\u793a\uff1b
\n c) \u7531PL\u5149\u8c31\u786e\u5b9a\u7684I\u3001A-\u548cA\u7684\u5149\u5b50\u80fd\u91cf\u968f\u5e94\u53d8\u7684\u53d8\u5316\uff1b
\n d) \u538b\u7f29\u5e94\u53d8\u8c03\u8282\u5149\u751f\u7535\u8377\u7684\u793a\u610f\u56fe\uff1b
\n e) 0 %\u5e94\u53d8\u8c03\u8282\u5149\u751f\u7535\u8377\u7684\u793a\u610f\u56fe\uff1b
\n f) \u62c9\u4f38\u5e94\u53d8\u8c03\u8282\u5149\u751f\u7535\u8377\u7684\u793a\u610f\u56fe\u3002<\/p>\n<\/p>\n
\n b) WSe2<\/sub>-ZnO vdWs PD\u5728\u4e0d\u540c\u5e94\u53d8\u4e0b\u5149\u54cd\u5e94\u968f\u65f6\u95f4\u7684\u53d8\u5316\uff0c\u57280 V\u504f\u538b\u4e0b\u56fa\u5b9a\u5149\u5bc6\u5ea6\u4e3a0.667 mW\u00b7cm-2<\/sup>\uff1b
\n c) \u67d4\u6027WSe2<\/sub>-ZnO PD\u7684\u77ed\u8def\u7535\u6d41ISC\u548cR\u968f\u5e94\u53d8\u7684\u53d8\u5316\uff1b
\n d) \u62c9\u4f38\u5e94\u53d8\u4e0bWSe2<\/sub>-ZnO\u5f02\u8d28\u7ed3\u6784\u7684\u80fd\u5e26\u8c03\u8282\u793a\u610f\u56fe\uff1b
\n e) \u538b\u7f29\u5e94\u53d8\u4e0bWSe2<\/sub>-ZnO\u5f02\u8d28\u7ed3\u6784\u7684\u80fd\u5e26\u8c03\u8282\u793a\u610f\u56fe\u3002<\/p>\n<\/p>\n
\n b) \u65bd\u52a01 V\u5916\u90e8\u504f\u538b\u540e\uff0c\u5728\u4e0d\u540c\u5e94\u53d8\u4e0b\u5149\u7535\u6d41\u968f\u5149\u5bc6\u5ea6\u7684\u53d8\u5316\uff1b
\n c) \u65bd\u52a01 V\u5916\u90e8\u504f\u538b\u540e\uff0c\u5728\u4e0d\u540c\u5e94\u53d8\u4e0b\u54cd\u5e94\u5ea6\u968f\u5149\u5bc6\u5ea6\u7684\u53d8\u5316\uff1b
\n d) \u65bd\u52a01 V\u5916\u90e8\u504f\u538b\u540e\uff0c\u5728\u4e0d\u540c\u5e94\u53d8\u4e0b\u76f8\u5bf9\u5149\u7535\u589e\u76ca\u968f\u5149\u5bc6\u5ea6\u7684\u53d8\u5316\uff1b
\n e) \u57282.32 mW\u00b7cm-2<\/sup>\u548c5.21 mW\u00b7cm-2<\/sup>\u7684\u6307\u5b9a\u5149\u5bc6\u5ea6\u4e0b\uff0c\u68c0\u6d4b\u7387\u968f\u5e94\u53d8\u7684\u53d8\u5316\u3002<\/p>\n