{"id":152530,"date":"2018-09-03T08:00:51","date_gmt":"2018-09-03T00:00:51","guid":{"rendered":"\/\/m.iemloyee.com\/?p=152530"},"modified":"2018-09-02T20:12:21","modified_gmt":"2018-09-02T12:12:21","slug":"%e5%a4%a9%e5%a4%a7%e5%b7%a9%e9%87%91%e9%be%99%e7%8e%8b%e6%8b%93nano-energy-%e5%a4%9a%e5%8a%9f%e8%83%bdtio2%e8%a6%86%e7%9b%96%e5%b1%82%e6%8f%90%e5%8d%87p-si-n-cds%e5%bc%82%e8%b4%a8%e7%bb%93","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=152530","title":{"rendered":"\u5929\u5927\u5de9\u91d1\u9f99&\u738b\u62d3Nano Energy : \u591a\u529f\u80fdTiO2\u8986\u76d6\u5c42\u63d0\u5347p-Si\/n-CdS\u5f02\u8d28\u7ed3\u5149\u9634\u6781\u6548\u7387\u548c\u7a33\u5b9a\u6027"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \n \u7845(Si)\u4f5c\u4e3a\u5149\u7535\u50ac\u5316\u5236\u6c22\u53cd\u5e94(HER)\u7684\u5149\u9634\u6781\uff0c\u7531\u4e8e\u5176\u50a8\u91cf\u4e30\u5bcc\u3001\u52a0\u5de5\u6280\u672f\u6210\u719f\u4ee5\u53ca\u5bfc\u5e26\u7535\u4f4d\u9002\u5b9c\u8d28\u5b50\u8fd8\u539f\uff0c\u5df2\u53d7\u5230\u4f17\u591a\u5173\u6ce8\u3002\u7136\u800c\uff0cSi\u5b58\u5728\u4e24\u4e2a\u8f83\u4e3a\u660e\u663e\u7684\u7f3a\u70b9\uff0c\u5305\u62ec\u5149\u7535\u538b(Voc<\/sub>)\u6709\u9650(\u5373\u9700\u8981\u8f83\u5927\u5916\u52a0\u504f\u538b\u9a71\u52a8\u5206\u89e3\u6c34\u53cd\u5e94)\u4ee5\u53ca\u5728\u6c34\u6eb6\u6db2\u4e2d\u7684\u7a33\u5b9a\u6027\u95ee\u9898\u3002\u4e3a\u4e86\u589e\u5f3ap-Si\u57fa\u7535\u6781\u7684\u5149\u7535\u538b\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u6c27\u5316\u7269\u534a\u5bfc\u4f53(\u4f8b\u5982ZnO\u3001WO3<\/sub>\u548cFe2<\/sub>O3<\/sub>)\u6d82\u8986p-Si\u5149\u9634\u6781\u5f62\u6210p-n\u5f02\u8d28\u7ed3\u7528\u4e8e\u5206\u89e3\u6c34\uff0c\u4f46\u662f\u5bfb\u627e\u76f8\u6bd4\u6c27\u5316\u7269\u534a\u5bfc\u4f53\u5177\u6709\u66f4\u597d\u80fd\u5e26\u5339\u914d\u7684\u8986\u76d6\u5c42\u6750\u6599\u4ee5\u589e\u5f3ap-Si\u9634\u6781\u7684\u5149\u7535\u538b\u4ecd\u7136\u5177\u6709\u6311\u6218\u6027\u3002 \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \n \u8fd1\u65e5\uff0c\u5929\u6d25\u5927\u5b66\u5de9\u91d1\u9f99\u6559\u6388\u3001\u738b\u62d3\u6559\u6388(\u5171\u540c\u901a\u8baf\u4f5c\u8005)\u7b49<\/strong>\u5229\u7528\u7b80\u5355\u5316\u5b66\u6d74\u6c89\u79ef\u5904\u7406\u5546\u4e1a\u5316p-Si\u57fa\u5e95\u5f97\u5230p-Si\/n-CdS\u5f02\u8d28\u7ed3\uff0c\u4e4b\u540e\u8fdb\u800c\u4f7f\u591a\u529f\u80fdTiO2<\/sub>\u5c42\u8986\u76d6\u5176\u4e0a\uff0c\u6574\u4f53\u4f5c\u4e3a\u5149\u7535\u6781\u7528\u4e8e\u5149\u7535\u538b\u7684\u4ea7\u751f\uff0c\u5e76\u5728Nano Energy<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cMultifunctional TiO2<\/sub> Overlayer for p-Si\/n-CdS Heterojunction Photocathode with Improved Efficiency and Stability<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u591a\u529f\u80fdTiO2<\/sub>\u5c42\u5177\u6709\u5982\u4e0b\u4f5c\u7528\uff1a\u2460\u949d\u5316\u5c42\uff0c\u7528\u4e8e\u56fa\u5b9aCdS\u7684\u8868\u9762\u7f3a\u9677\uff0c\u4ee5\u51cf\u5c11\u8868\u9762\u8f7d\u6d41\u5b50\u7684\u590d\u5408\uff1b\u2461\u7a7a\u7a74\u963b\u6321\u5c42\uff0c\u4ee5\u53cd\u5c04\u5149\u751f\u7a7a\u7a74\uff0c\u8fdb\u800c\u6539\u5584\u7535\u8377\u5206\u79bb\uff1b\u2462\u4fdd\u62a4\u5c42\uff0c\u4ee5\u907f\u514dCdS\u548cSi\u57fa\u5e95\u7684\u8150\u8680\u3002\u6240\u5236\u5907\u7684p-Si\/n-CdS\/n-TiO2<\/sub>\/Pt\u5149\u9634\u6781\u5f00\u8def\u7535\u538b\u6709\u6240\u589e\u52a0(\u4ece49 mV\u5347\u81f3425mV)\uff0c\u57281 h\u5185\u80fd\u7a33\u5b9a\u7684\u4ea7\u751f\u6c22\u6c14\u3002TiO2<\/sub>\u7684\u8868\u9762\u949d\u5316\u6548\u5e94\u548c\u4f4e\u4ef7\u5e26\u4f4d\u7f6e\u90fd\u6709\u52a9\u4e8e\u63d0\u9ad8\u5149\u7535\u538b\u3002\u5149\u9634\u6781\u7684\u592a\u9633\u80fd-\u6c22\u80fd\u8f6c\u6362\u6548\u7387\u8fbe\u52302.07 %\uff0c\u662f\u4e2d\u6027\u7535\u89e3\u8d28\u4e2d\u540c\u7c7b\u7845p-n\u5f02\u8d28\u7ed3\u5149\u7535\u9634\u6781\u4e2d\u6548\u7387\u6700\u9ad8\u7684\u3002<\/p>\n \u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong> a) Si\/CdS\/TiO2<\/sub>\/Pt\u5149\u7535\u6781\u8986\u76d6\u987a\u5e8f\u793a\u610f\u56fe\uff1b \u56fe2 Si\/CdS\/TiO2<\/sub>\/Pt\u7cfb\u5217\u6750\u6599\u7684\u5149\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n a) Si\/Pt\u3001Si\/CdS\/Pt\u548cSi\/CdS\/TiO2<\/sub>\/Pt\u7684J-V\u66f2\u7ebf\uff1b \u56fe3 Si\/CdS\/TiO2<\/sub>\/Pt\u7684\u8f7d\u6d41\u5b50\u5206\u79bb<\/strong><\/p>\n a) FTO\/CdS\u548cFTO\/CdS\/TiO2<\/sub>\u7684PL\u5149\u8c31\uff1b \u56fe4 Si\/CdS\/TiO2<\/sub>\u7684\u80fd\u5e26\u7ed3\u6784<\/strong><\/p>\n a) Si\/CdS\u7535\u6781\u7684\u80fd\u5e26\u7ed3\u6784\u793a\u610f\u56fe\uff1b \u56fe5 Si\/CdS\/TiO2<\/sub>\/Pt\u7535\u6781\u7684\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n a) Si\/Pt\u3001Si\/CdS\/Pt\u548cSi\/CdS\/TiO2<\/sub>\/Pt\u7535\u6781\u7684PEC\u7a33\u5b9a\u6027\u6d4b\u8bd5\uff1b \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \n \u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u6210\u529f\u5730\u5c06TiO2<\/sub>\u4f5c\u4e3a\u591a\u529f\u80fd\u5c42\u5e94\u7528\u4e8ep-Si\/n-CdS\u5f02\u8d28\u7ed3\u5149\u7535\u9634\u6781\uff0c\u4ee5\u63d0\u9ad8\u5149\u7535\u538b\u3001\u5149\u7535\u6d41\u548c\u7a33\u5b9a\u6027\u3002\u5728\u8be5\u7535\u6781\u4e2d\uff0c\u4f5c\u8005\u5229\u7528\u7b80\u5355\u5316\u5b66\u6d74\u6c89\u79ef\u5904\u7406\u7684CdS\u5c42(100nm)\u4e0ep-Si\u57fa\u5e95\u5f62\u6210p-n\u5f02\u8d28\u7ed3\uff0c\u4ee5\u4ea7\u751f\u6709\u6548\u7684\u5149\u7535\u538b\u3002\u901a\u8fc7ALD\u65b9\u6cd5\u6c89\u79ef\u7684\u591a\u529f\u80fdTiO2<\/sub>\u5c42(10nm)\u53ef\u4ee5\u56fa\u5b9a\u8868\u9762\u7f3a\u9677\uff0c\u964d\u4f4eCdS-\u7535\u89e3\u8d28\u754c\u9762\u5904\u7684\u8f7d\u6d41\u5b50\u590d\u5408\uff0c\u5e76\u4e14\u7531\u4e8eTiO2\u7684\u4f4e\u4ef7\u5e26\u4f4d\u7f6e\u53ef\u53cd\u5c04\u5149\u751f\u7a7a\u7a74\u4ee5\u6539\u5584\u8868\u9762\u7535\u8377\u5206\u79bb\uff0c\u540c\u65f6\u4fdd\u62a4CdS\u548cSi\u57fa\u5e95\u4e0d\u53d1\u751f\u8150\u8680\u3002p-Si\/n-CdS\/n-TiO2<\/sub>\/Pt\u7535\u6781\u5185\u7684\u6240\u6709\u7ec4\u5206\u53d1\u6325\u4e86\u534f\u540c\u6548\u5e94\uff0c\u5176\u5149\u7535\u538b\u3001\u5149\u7535\u6d41\u548c\u7a33\u5b9a\u6027\u5747\u5f97\u5230\u663e\u8457\u63d0\u5347\u3002TiO2<\/sub>\u591a\u529f\u80fd\u8986\u76d6\u5c42\u4e0d\u4ec5\u4ec5\u5bf9p-Si\/n-CdS\u6709\u6548\uff0c\u8fd8\u6709\u671b\u5728\u5176\u4ed6\u4f53\u7cfb\u4e2d\u53d1\u6325\u4f5c\u7528\u3002\u8be5\u5de5\u4f5c\u6709\u671b\u4e3a\u63d0\u5347\u7528\u4e8e\u5b9e\u9645\u592a\u9633\u80fd\u5206\u89e3\u6c34\u7684\u7a84\u5e26\u9699\u534a\u5bfc\u4f53\u57fa\u7535\u6781\u7684\u5149\u7535\u538b\u548c\u7a33\u5b9a\u6027\u63d0\u4f9b\u4e00\u79cd\u666e\u9002\u6027\u65b9\u6cd5\u3002<\/p>\n
\n \u786b\u5316\u9549(CdS)\u662f\u4e0ep-Si\u9634\u6781\u80fd\u5e26\u5339\u914d\u7684\u7406\u60f3n\u578b\u6750\u6599\uff0c\u53ef\u5f62\u6210p-Si\/n-CdS\u5f02\u8d28\u7ed3\u3002\u7136\u800c\uff0c\u7531\u4e8eCdS\u548cSi\u5728\u6c34\u6eb6\u6db2\u4e2d\u7a33\u5b9a\u6027\u8f83\u4f4e\uff0cCdS\u7684\u8868\u9762\u7f3a\u9677\u53ef\u964d\u4f4e\u592a\u9633\u80fd-\u6c22\u80fd\u8f6c\u5316\u6548\u7387\uff0c\u5c06n-CdS\u4e0ep-Si\u7ed3\u5408\u7528\u4e8ePEC\u6c34\u5206\u89e3\u7684\u6587\u732e\u62a5\u9053\u8f83\u5c11\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5177\u6709\u949d\u5316\u548c\u4fdd\u62a4\u6548\u679c\u7684\u591a\u529f\u80fd\u5c42\u3002\u6839\u636e\u6587\u732e\u62a5\u9053\uff0cTiO2<\/sub>\u5c42\u53ef\u63d0\u9ad8CdS\u7684\u7a33\u5b9a\u6027\uff0c\u4f46\u5f88\u5c11\u6709\u7814\u7a76\u63a2\u7d22TiO2<\/sub>\u5728CdS\u4e0a\u7684\u949d\u5316\u4f5c\u7528\uff0c\u8fdb\u800c\u6539\u5584\u5149\u7535\u538b\u548c\u7535\u6d41\u3002<\/p>\n
\n \u56fe1 Si\/CdS\/TiO2<\/sub>\/Pt\u7684\u5f62\u8c8c\u8868\u5f81<\/strong><\/p>\n<\/p>\n
\n b) Si\/CdS\/TiO2<\/sub>\/Pt \u5149\u7535\u6781\u7684SEM\u56fe\u50cf\uff0c\u5185\u63d2\u4e3a\u6a2a\u65ad\u9762\u89c6\u89d2\u7684SEM\u56fe\u50cf\u3002<\/p>\n<\/p>\n
\n b) Si\/Pt\u3001Si\/CdS\/Pt\u548cSi\/CdS\/TiO2<\/sub>\/Pt\u7684\u592a\u9633\u80fd-\u6c22\u80fd\u8f6c\u5316\u6548\u7387(STH)\uff1b
\n c) Si\/Pt\u3001Si\/CdS\/Pt\u548cSi\/CdS\/TiO2<\/sub>\/Pt\u7684IPCE\u6d4b\u8bd5\uff1b
\n d) Si\/Pt\u3001Si\/CdS\/Pt\u548cSi\/CdS\/TiO2<\/sub>\/Pt\u7684\u5f00\u8def\u7535\u538b\u6d4b\u8bd5\u3002<\/p>\n<\/p>\n
\n b) Si\/CdS\/Pt\u548cSi\/CdS\/TiO2<\/sub>\/Pt\u7684Mott-Schottky\u66f2\u7ebf\u3002<\/p>\n<\/p>\n
\n b) Si\/CdS\/TiO2<\/sub>\u7535\u6781\u7684\u80fd\u5e26\u7ed3\u6784\u793a\u610f\u56fe\uff1b
\n c) Si\/CdS\u7535\u6781\u7684\u53cd\u5e94\u673a\u7406\u793a\u610f\u56fe\uff1b
\n d) Si\/CdS\/TiO2<\/sub>\u7535\u6781\u7684\u53cd\u5e94\u673a\u7406\u793a\u610f\u56fe\u3002<\/p>\n<\/p>\n
\n b) Si\/CdS\/Pt\u548cSi\/CdS\/TiO2<\/sub>\/Pt\u7535\u6781\u7a33\u5b9a\u6027\u6d4b\u8bd5\u524d\u540e\u7684SEM\u56fe\u50cf\u3002<\/p>\n