{"id":198470,"date":"2020-03-24T06:18:55","date_gmt":"2020-03-23T22:18:55","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=198470"},"modified":"2020-03-23T20:19:11","modified_gmt":"2020-03-23T12:19:11","slug":"adv-funct-mater-%e5%9f%ba%e4%ba%8emos2%e8%8c%83%e5%be%b7%e7%93%a6%e5%b0%94%e6%96%afp-n%e7%bb%93%e7%9a%84%e9%ab%98%e9%80%89%e6%8b%a9%e6%80%a7%e5%ae%a4%e6%b8%a9no2%e4%bc%a0%e6%84%9f%e5%99%a8","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=198470","title":{"rendered":"Adv. Funct. Mater. : \u57fa\u4e8eMoS2\u8303\u5fb7\u74e6\u5c14\u65afp-n\u7ed3\u7684\u9ad8\u9009\u62e9\u6027\u5ba4\u6e29NO2\u4f20\u611f\u5668"},"content":{"rendered":"

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

\u4f20\u7edf\u7684\u57fa\u4e8e\u91d1\u5c5e\u6c27\u5316\u7269\u534a\u5bfc\u4f53\uff08MOS\uff09\u7684\u6c14\u4f53\u4f20\u611f\u5668\u5177\u6709\u9009\u62e9\u6027\u5dee\u7684\u7f3a\u9677\uff0c\u5e76\u4e14\u5de5\u4f5c\u6e29\u5ea6\u9ad8\uff0c\u901a\u5e38\u5728200\u2013400\u00b0C\u8303\u56f4\u5185\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u9ad8\u529f\u8017\uff0c\u964d\u4f4e\u4f20\u611f\u5668\u7684\u5bff\u547d\u548c\u8010\u4e45\u6027\u3002\u5c3d\u7ba1\u4e00\u4e9b\u5de5\u4f5c\u5df2\u7ecf\u62a5\u9053\u4e86MOS\u4f20\u611f\u5668\u5728\u5ba4\/\u4f4e\u6e29\u65f6\u7684\u4f20\u611f\u6027\u80fd\uff0c\u4f46\u662f\u8fd9\u4e9b\u4f20\u611f\u5668\u4ecd\u7136\u9762\u4e34\u7740\u7075\u654f\u5ea6\u4f4e\u3001\u54cd\u5e94\u6062\u590d\u901f\u5ea6\u7f13\u6162\u548c\u6062\u590d\u4e0d\u5b8c\u5168\u7b49\u4e0d\u8db3\u4e4b\u5904\u3002<\/p>\n

MoS2<\/sub>\u7b49TMDs\u4e8c\u7ef4\u6750\u6599\u5177\u6709\u9ad8\u6bd4\u8868\u9762\u79ef\u3001\u8868\u9762\u66b4\u9732\u539f\u5b50\u591a\u3001\u8868\u9762\u6d3b\u6027\u8f83\u9ad8\u3001\u8f7d\u6d41\u5b50\u6d53\u5ea6\u6613\u4e8e\u8c03\u63a7\u7b49\u4f18\u70b9\uff0c\u8fd9\u4e9b\u7279\u6027\u4f7fMoS2<\/sub>\u5728\u5236\u5907\u9ad8\u6027\u80fd\u5ba4\u6e29\u6c14\u4f53\u4f20\u611f\u5668\u4e2d\u5360\u636e\u4f18\u52bf\u3002\u76ee\u524d\uff0c\u57fa\u4e8eMoS2<\/sub>\u8584\u819c\u6216\u7eb3\u7c73\u7247\u7684\u6c14\u4f53\u4f20\u611f\u5668\u5df2\u7ecf\u88ab\u7528\u4e8e\u68c0\u6d4b\u5404\u79cd\u6c14\u4f53\uff0c\u4f8b\u5982\u4e00\u6c27\u5316\u6c2e\uff08NO\uff09\u3001\u4e8c\u6c27\u5316\u6c2e\uff08NO2<\/sub>\uff09\u3001\u6c28\uff08NH3<\/sub>\uff09\u548c\u4e09\u4e59\u80fa\uff08TEA\uff09\uff0c\u4f46\u662f\u53d7\u654f\u611f\u5c42\u6750\u6599\u7ed3\u6784\u7684\u5f71\u54cd\uff0c\u68c0\u6d4b\u7075\u654f\u5ea6\u548c\u9009\u62e9\u6027\u4ecd\u6709\u5f85\u63d0\u5347\u3002\u76ee\u524d\u8fd8\u6ca1\u6709\u7814\u7a76\u5c1d\u8bd5\u901a\u8fc7\u4eba\u5de5\u5408\u6210\u5177\u6709\u4e0d\u540c\u534a\u5bfc\u4f53\u6027\u8d28\u7684MoS2<\/sub>\u8584\u819c\u6765\u63a7\u5236\u4f20\u611f\u5668\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5982\u4f55\u63d0\u9ad8MoS2<\/sub>\u6c14\u4f53\u4f20\u611f\u5668\u7684\u5ba4\u6e29\u68c0\u6d4b\u7075\u654f\u5ea6\u548c\u6062\u590d\u6027\uff0c\u5e76\u4e14\u9610\u660e\u5176\u5de5\u4f5c\u673a\u7406\uff0c\u5bf9\u4e8e\u53d1\u5c55\u9ad8\u6027\u80fd\u7684\u5ba4\u6e29\u4f20\u611f\u5668\u548c\u76f8\u5173\u9886\u57df\u7684\u7814\u7a76\uff0c\u5177\u6709\u91cd\u8981\u7684\u79d1\u5b66\u610f\u4e49\u3002<\/p>\n

\u8fd1\u5e74\u6765\uff0c\u57fa\u4e8e\u4e8c\u7ef4\u6750\u6599\u6784\u7b51\u800c\u6210\u7684\u8303\u5fb7\u74e6\u5c14\u65afp-n\u5f02\u8d28\u7ed3\u6784\uff0c\u53ca\u5176\u5728\u7eb3\u7c73\u7535\u5b50\u5668\u4ef6\u4e2d\u7684\u5e94\u7528\uff0c\u53d7\u5230\u8d8a\u6765\u8d8a\u591a\u7684\u5173\u6ce8\u3002\u7531\u4e8e\u539f\u5b50\u7ea7\u539a\u5ea6\uff0c\u4e8c\u7ef4\u8303\u5fb7\u74e6\u5c14\u65afp-n\u5f02\u8d28\u7ed3\u7684\u8f7d\u6d41\u5b50\u6d53\u5ea6\u3001\u80fd\u5e26\u7ed3\u6784\u53ef\u4ee5\u901a\u8fc7\u5404\u79cd\u624b\u6bb5\uff0c\u5982\u7535\u3001\u78c1\u3001\u5149\u7b49\u8fdb\u884c\u6709\u6548\u8c03\u5236\uff0c\u4e3a\u53d1\u5c55\u9ad8\u6027\u80fd\u6c14\u4f53\u4f20\u611f\u5668\u63d0\u4f9b\u4e86\u65b0\u7684\u53ef\u80fd\u6027\u3002<\/p>\n

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

\u00a0\u00a0\u00a0\u8fd1\u65e5\uff0c\u9752\u5c9b\u5927\u5b66\u5f20\u519b\u8bfe\u9898\u7ec4\u548c\u5fb7\u56fd\u6d2a\u5821\u5927\u5b66\u7684Nicola Pinna\u6559\u6388\u5408\u4f5c\u5728Adv. Funct. Mater.\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u76ee\u4e3a\u201cMoS2 <\/sub>Van der Waals p\u2013n Junctions Enabling Highly Selective Room-Temperature NO2 <\/sub>Sensor\u201d\u7684\u6587\u7ae0\u62a5\u544a\u3002\u8be5\u5de5\u4f5c\u91c7\u7528\u5316\u5b66\u6c14\u76f8\u6c89\u79ef\u6cd5\uff08CVD\uff09\u548cW\u63ba\u6742\u7684\u8fc7\u6c27\u5316\u94bc\u6eb6\u80f6-\u51dd\u80f6\u8f6f\u5316\u5b66\u5408\u6210\uff0c\u5206\u522b\u5236\u5907n\u578b\u548cp\u578bMoS2<\/sub>\u8584\u819c\uff0c\u5e76\u901a\u8fc7\u540e\u7eed\u8f6c\u79fb\u6cd5\u6784\u7b51\u4e86\u4e8c\u7ef4p-n\u7ed3\u3002\u7814\u7a76\u53d1\u73b0MoS2<\/sub> p-n\u7ed3\u7684\u7535\u963b\u5bf9ppb\u6d53\u5ea6\u7684NO2<\/sub>\u975e\u5e38\u654f\u611f\u3002\u5b9e\u9a8c\u8868\u660e\uff0cp-n\u7ed3\u4f20\u611f\u5668\u5728\u5ba4\u6e29\u4e0b\u5bf9NO2<\/sub>\u5177\u6709\u4f18\u5f02\u7684\u7075\u654f\u5ea6\u548c\u9009\u62e9\u6027\uff1b\u5bf920ppm NO2<\/sub>\u7684\u7075\u654f\u5ea6\u6bd4p\u578bMoS2<\/sub>\u4f20\u611f\u5668\u63d0\u9ad8\u4e8660\u500d\u3002\u6b64\u5916\uff0c\u5728\u7d2b\u5916\u5149\u6fc0\u53d1\u4e0b\u5b9e\u73b0\u4e868 ppb\u7684\u6781\u4f4eLOD\u548c30s\u5185\u7684\u5b8c\u5168\u6062\u590d\u6027\u80fd\u3002\u4f18\u5f02\u4f20\u611f\u7279\u6027\u6765\u81ea\u4e8e\u5206\u5b50\u5438\u9644\u5bf9p-n\u7ed3\u52bf\u5792\u9ad8\u5ea6\u7684\u8c03\u8282\u3002\u8fd9\u79cd\u901a\u8fc7\u6784\u7b51\u4e8c\u7ef4\u8303\u5fb7\u534e\u7ed3\u6765\u63d0\u5347\u68c0\u6d4b\u7075\u654f\u5ea6\u548c\u9009\u62e9\u6027\u7684\u65b9\u6cd5\uff0c\u4e3a\u5f00\u53d1\u9ad8\u6027\u80fd\u5ba4\u6e29\u4f20\u611f\u5668\u5f00\u8f9f\u4e86\u65b0\u7684\u9014\u5f84\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u56fe1<\/strong> n<\/strong>\u578bMoS2<\/sub><\/strong>\u6c14\u4f53\u4f20\u611f\u5668\u5bf9TEA<\/strong>\u7684\u6027\u80fd\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

a\uff09 \u4f20\u611f\u5668\u5728\u5ba4\u6e29\u4e0b\u5bf910 ppm\u5404\u79cd\u6c14\u4f53\u7684\u9009\u62e9\u6027\uff1b<\/p>\n

b\uff09 \u4f20\u611f\u5668\u5bf9\u4e0d\u540c\u6d53\u5ea6TEA\u7684\u77ac\u53d8\uff1b<\/p>\n

c\uff09 \u5bf90.2\u30010.5\u548c1 ppm TEA\u7684\u77ac\u6001\u54cd\u5e94\u6062\u590d\u66f2\u7ebf\uff1b<\/p>\n

d\uff09 \u54cd\u5e94\u968fTEA\u6d53\u5ea6\u53d8\u5316\u7684\u62df\u5408\u66f2\u7ebf\uff1b<\/p>\n

e\uff09 50ppm TEA\u7684\u52a8\u6001\u54cd\u5e94\u6062\u590d\u66f2\u7ebf\uff1b<\/p>\n

f\uff09 \u6c14\u4f53\u4f20\u611f\u5668\u5bf950ppm TEA\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n

\u56fe2 \u00a0<\/strong>p<\/strong>\u578b<\/strong>MoS2<\/sub><\/strong>\u6c14\u4f53\u4f20\u611f\u5668\u5bf9<\/strong>NO2<\/sub><\/strong>\u7684\u6027\u80fd\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

a\uff09 \u4f20\u611f\u5668\u5728\u5ba4\u6e29\u4e0b\u5bf910ppm\u5404\u79cd\u6c14\u4f53\u7684\u9009\u62e9\u6027\uff1b<\/p>\n

b\uff09 \u4f20\u611f\u5668\u5bf9\u4e0d\u540c\u6d53\u5ea6\u4e8c\u6c27\u5316\u6c2e\u7684\u77ac\u6001\u54cd\u5e94\uff1b<\/p>\n

c\uff09 \u5bf9\u4f4e\u6d53\u5ea6NO2<\/sub>\u7684\u77ac\u6001\u54cd\u5e94\u6062\u590d\u66f2\u7ebf\uff1b<\/p>\n

d\uff09 NO2<\/sub>\u6d53\u5ea6\u5bf9\u4f20\u611f\u5668\u54cd\u5e94\u7684\u62df\u5408\u66f2\u7ebf\uff1b<\/p>\n

e\uff09 50 ppm NO2<\/sub>\u7684\u52a8\u6001\u54cd\u5e94\u6062\u590d\u66f2\u7ebf\uff1b<\/p>\n

f\uff09 \u5728395nm\u7d2b\u5916\u5149\u7167\u5c04\u4e0b\uff0c\u5bf9\u4e0d\u540c\u6d53\u5ea6\u7684NO2<\/sub>\u8fdb\u884c\u77ac\u6001\u4f20\u611f\uff1b<\/p>\n

g\uff09 395nm\u7d2b\u5916\u8f90\u5c04\u4e0b50ppm\u4e8c\u6c27\u5316\u6c2e\u7684\u52a8\u6001\u54cd\u5e94\u6062\u590d\u66f2\u7ebf\uff1b<\/p>\n

h\uff09 \u4f20\u611f\u5668\u5728395nm\u7d2b\u5916\u8f90\u5c04\u4e0b\u5bf95ppm\u4e8c\u6c27\u5316\u6c2e\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n

\u56fe3 MoS2<\/sub> p-n<\/strong>\u7ed3NO2<\/sub><\/strong>\u6c14\u4f53\u4f20\u611f\u5668\u7684\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

a\uff09 MoS2<\/sub> p-n\u7ed3\u5668\u4ef6\u7684\u7ed3\u6784\u6a21\u578b\uff1b<\/p>\n

b\uff09 MoS2<\/sub> p-n\u7ed3\u7684\u76f8\u5e94\u5149\u5b66\u56fe\u50cf\uff1b<\/p>\n

c\uff09 \u611f\u6d4b\u88c5\u7f6e\u5bf9\u4e0d\u540c\u6d53\u5ea6\u4e8c\u6c27\u5316\u6c2e\u7684\u611f\u5e94\u77ac\u53d8\u3002\u63d2\u56fe\u4e3a\u4f4e\u6d53\u5ea6NO2<\/sub>\u4e0b\u7684\u77ac\u6001\u54cd\u5e94\u6062\u590d\u66f2\u7ebf\uff1bd\uff09 \u6bd4\u8f83p\u578bMoS2<\/sub>\u548cMoS2<\/sub> p-n\u7ed3\u6c14\u4f53\u4f20\u611f\u5668\u5bf920 ppm NO2<\/sub>\u7684\u52a8\u6001\u54cd\u5e94\u6062\u590d\u66f2\u7ebf\uff1b<\/p>\n

e\uff09 MoS2<\/sub> p-n\u7ed3\u6c14\u4f53\u4f20\u611f\u5668\u5728\u7d2b\u5916\u5149\u7167\u5c04\u4e0b\u5bf9\u4e0d\u540c20 ppm\u76ee\u6807\u6c14\u4f53\u7684\u6c14\u654f\u54cd\u5e94\uff1b<\/p>\n

f\uff09 \u6c14\u4f53\u4f20\u611f\u5668\u5728395nm\u7d2b\u5916\u8f90\u5c04\u4e0b\u5bf95ppm\u4e8c\u6c27\u5316\u6c2e\u7684\u7a33\u5b9a\u6027\uff1b<\/p>\n

g\uff09 MoS2<\/sub> p-n\u7ed3\u6c14\u4f53\u4f20\u611f\u5668\u5728\u7d2b\u5916\u5149\u7167\u5c04\u4e0b\u7684\u957f\u671f\u7a33\u5b9a\u6027\u3002<\/p>\n

\u56fe4\u00a0<\/strong>\u673a\u7406\u89e3\u91ca<\/strong><\/p>\n

\"\"<\/p>\n

a, c, e\uff09MoS2 \u00a0<\/sub>p-n, \u7d2b\u5916\u7ebf\u7167\u5c04\u4e0b\u7684MoS2 \u00a0<\/sub>p-n\u7ed3\uff0c\u4ee5\u53ca\u7d2b\u5916\u7ebf\u7167\u5c04\u4e0b\u66b4\u9732\u4e8eNO2\u84b8\u6c14\u7684MoS2 \u00a0<\/sub>p-n\u7ed3\u7684\u654f\u611f\u793a\u610f\u56fe\uff1b<\/p>\n

b, d, f\uff09\u76f8\u5bf9\u5e94\u7684\u80fd\u5e26\u7ed3\u6784\u56fe\u3002<\/p>\n

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

\u603b\u4e4b\uff0c\u7814\u7a76\u8005\u7528\u4e0d\u540c\u7684\u65b9\u6cd5\u5236\u5907\u4e86n\u578b\u548cp\u578bMoS2<\/sub>\uff0c\u5e76\u5c06\u5b83\u4eec\u7ec4\u5408\u6210\u6c14\u4f53\u4f20\u611f\u5668\u3002\u7814\u7a76\u53d1\u73b0\uff0cn\u578bMoS2<\/sub>\u8584\u819c\u5bf9TEA\u5177\u6709\u5f88\u9ad8\u7684\u7075\u654f\u5ea6\uff0c\u68c0\u6d4b\u9650\u4e3a0.1 ppm\uff0c\u800cp\u578bMoS2<\/sub>\u5668\u4ef6\u5bf9NO2<\/sub>\u6709\u5f88\u5feb\u7684\u54cd\u5e94\u3002\u7136\u800c\uff0c\u8fd9\u4e24\u79cd\u4f20\u611f\u5668\u90fd\u5bf9\u5176\u4ed6\u6c14\u4f53\u5177\u6709\u4ea4\u53c9\u654f\u611f\u6027\uff0c\u5e76\u4e14\u8868\u73b0\u51fa\u7f13\u6162\u548c\u4e0d\u5b8c\u5168\u7684\u6062\u590d\u3002\u8be5\u7814\u7a76\u540c\u65f6\u4e5f\u63d0\u51fa\u4e86\u4e00\u79cd\u65b0\u9896\u7684\u4e8c\u7ef4p-n\u7ed3\u6c14\u4f53\u4f20\u611f\u5668\uff0c\u5e76\u8bc1\u660e\u8be5\u4f20\u611f\u5668\u5728UV\u8f90\u7167\u4e0b\u5bf9NO2<\/sub>\u5177\u6709\u72ec\u7279\u7684\u9009\u62e9\u6027\uff0c\u5bf9NO2<\/sub>\u4e8c\u6c27\u5316\u6c2e\u7684\u7075\u654f\u5ea6\u63d0\u9ad8\u4e8660\u500d\u3002\u6b64\u5916\uff0cp-n\u7ed3\u4f20\u611f\u5668\u8fd8\u5177\u67098 ppb\u7684\u6781\u4f4e\u68c0\u6d4b\u9650\u548c\u572830s\u5185\u5b9e\u73b0\u5b8c\u5168\u5feb\u901f\u7684\u6062\u590d\u6027\u80fd\u3002\u8fd9\u4e00\u7814\u7a76\u5de5\u4f5c\u5c55\u793a\u4e86\u4e00\u79cd\u5168\u65b0\u7684\u4f20\u611f\u5668\u6784\u7b51\u7b56\u7565\uff0c\u4e3a\u4e8c\u7ef4\u5f02\u8d28\u7ed3\u7684\u9ad8\u6027\u80fd\u4f4e\u529f\u8017\u5ba4\u6e29\u6c14\u4f53\u4f20\u611f\u5668\u7684\u7b80\u5355\u5236\u9020\u548c\u6027\u80fd\u4f18\u5316\u63d0\u4f9b\u4e86\u4e00\u4e2a\u826f\u597d\u8303\u4f8b\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5:<\/strong> MoS2<\/sub> Van der Waals p\u2013n Junctions Enabling Highly Selective Room-T emperature NO2<\/sub> Sensor<\/a>, 2020, Adv. Funct. Mater. , DOI: 10.1002\/adfm.202000435.<\/p>\n","protected":false},"excerpt":{"rendered":"

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