{"id":233403,"date":"2022-02-20T06:51:48","date_gmt":"2022-02-19T22:51:48","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=233403"},"modified":"2022-02-19T19:12:30","modified_gmt":"2022-02-19T11:12:30","slug":"%e5%ae%81%e6%b3%a2%e5%a4%a7%e5%ad%a6mater-today-nano%ef%bc%9a%e7%b2%be%e7%bb%86%e5%88%b6%e5%a4%87tio2moox%e7%ba%b3%e7%b1%b3%e5%bc%82%e8%b4%a8%e7%bb%93%e5%8f%8asers%e7%89%b9%e6%80%a7%e7%9a%84","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=233403","title":{"rendered":"\u5b81\u6ce2\u5927\u5b66Mater. Today Nano\uff1a\u7cbe\u7ec6\u5236\u5907TiO2@MoOx\u7eb3\u7c73\u5f02\u8d28\u7ed3\u53caSERS\u7279\u6027\u7684\u7814\u7a76"},"content":{"rendered":"

\u3010\u8bba\u6587\u4fe1\u606f\u3011<\/strong><\/p>\n

\u7b2c\u4e00\u4f5c\u8005\uff1a\u8c22\u677e\u6d0b<\/p>\n

\u901a\u8baf\u4f5c\u8005\uff1a\u987e\u8fb0\u6770\uff1b\u6c88\u7fd4\uff1b\u5468\u4fca<\/p>\n

\u901a\u8baf\u5355\u4f4d\uff1a\u5b81\u6ce2\u5927\u5b66<\/p>\n

\u8bba\u6587DOI\uff1ahttps:\/\/doi.org\/10.1016\/j.mtnano.2022.100179<\/p>\n

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u8868\u9762\u589e\u5f3a\u62c9\u66fc\u6563\u5c04\uff08SERS\uff09\u4ee5\u5176\u9ad8\u7075\u654f\u5ea6\u548c\u9ad8\u9009\u62e9\u6027\uff0c\u6837\u54c1\u51c6\u5907\u7b80\u5355\u3001\u68c0\u6d4b\u901f\u5ea6\u5feb\u7b49\u4f18\u70b9\uff0c\u88ab\u5e7f\u6cdb\u7684\u7528\u4e8e\u8d85\u4f4e\u6d53\u5ea6\u5206\u5b50\u68c0\u6d4b\u4e4b\u4e2d\u3002\u57fa\u4e8e\u534a\u5bfc\u4f53\u6750\u6599\u7684SERS\u57fa\u5e95\u5177\u6709\u5236\u5907\u7b80\u5355\u3001\u751f\u7269\u517c\u5bb9\u6027\u597d\u4e0e\u5927\u9762\u79ef\u5236\u5907\u65f6\u4e00\u81f4\u6027\u597d\u7b49\u4f18\u70b9\uff0c\u8fd1\u4e9b\u5e74\u53d7\u5230\u7814\u7a76\u4eba\u5458\u7684\u5e7f\u6cdb\u5173\u6ce8\u3002\u7136\u800c\u4e0e\u4f20\u7edf\u8d35\u91d1\u5c5eSERS\u57fa\u5e95\u76f8\u6bd4\uff0c\u5f53\u524d\u534a\u5bfc\u4f53SERS\u57fa\u5e95\u589e\u5f3a\u80fd\u529b\u7a0d\u663e\u4e0d\u8db3\uff0c\u56e0\u6b64\u901a\u8fc7\u7ed3\u6784\u4f18\u5316\u6765\u8fdb\u4e00\u6b65\u63d0\u9ad8\u534a\u5bfc\u4f53SERS\u57fa\u5e95\u7684\u68c0\u6d4b\u80fd\u529b\u5c24\u4e3a\u5fc5\u8981\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5b81\u6ce2\u5927\u5b66\u5468\u9a8f\u8bfe\u9898\u7ec4\u987e\u8fb0\u6770\u526f\u6559\u6388\uff0c\u8054\u5408\u5b81\u6ce2\u5927\u5b66\u9ad8\u7b49\u6280\u672f\u7814\u7a76\u9662\u7ea2\u5916\u56e2\u961f\u6c88\u7965\u8bfe\u9898\u7ec4\uff0c\u4e0e\u5929\u6d25\u5927\u5b66\u97e9\u5bb6\u5e7f\u6559\u6388\u3001\u897f\u6e56\u5927\u5b66\u90d1\u5c0f\u777f\u7814\u7a76\u5458\u5408\u4f5c\uff0c<\/strong>\u63d0\u51fa\u4e86\u4e00\u79cd\u7cbe\u7ec6\u5236\u5907TiO2<\/sub>\/MoOx<\/sub>\u7eb3\u7c73\u5f02\u8d28\u7ed3\u7684\u65b9\u6cd5\uff0c\u83b7\u5f97\u4e86\u4e00\u79cdSERS\u6027\u80fd\u4f18\u5f02\u7684\u534a\u5bfc\u4f53\u5f02\u8d28\u7ed3\u57fa\u5e95\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u901a\u8fc7\u6c34\u70ed\u6cd5\u5236\u5907Na2<\/sub>Ti2<\/sub>O7<\/sub>\uff0c\u5e76\u901a\u8fc7\u9178\u5316\u3001\u9000\u706b\u7b49\u4e00\u7cfb\u5217\u6b65\u9aa4\u5236\u5907\u83b7\u5f97TiO2<\/sub>\u7eb3\u7c73\u68d2\u3002\u968f\u540e\uff0c\u5728TiO2<\/sub>\u4e0a\u4fee\u9970MoS2<\/sub>\u5f62\u6210\u7684\u5f02\u8d28\u7ed3\u6784\uff08TiO2<\/sub>@MoS2<\/sub>\uff09\u3002\u8fdb\u4e00\u6b65\uff0c\u5728\u7a7a\u6c14\u4e2d\u6c27\u5316\u5f62\u6210TiO2<\/sub>@MoOx<\/sub>\u5f02\u8d28\u7ed3\u6784\u3002\u4e0e\u5355\u7eafTiO2<\/sub>\u548cTiO2<\/sub>@MoS2<\/sub> SERS\u57fa\u5e95\u76f8\u6bd4\uff0c\u8bbe\u8ba1\u5236\u5907\u51fa\u7684TiO2<\/sub>@MoOx<\/sub>\u5f02\u8d28\u7ed3SERS\u57fa\u5e95\u53ef\u4ee5\u5b9e\u73b01.445\u00d7108<\/sup>\uff08R6G@10-8<\/sup> M\uff09\u7684EF\u548c\u4f4e\u81f310-8 <\/sup>M\uff08R6G@4.0\u00d710 M-13<\/sup>\/cm2<\/sup>\uff09\u7684\u68c0\u6d4b\u6781\u9650\u3002\u5e76\u4e14\u901a\u8fc7DRS\u3001UPS\u7b49\u624b\u6bb5\u5206\u6790\u6750\u6599\u80fd\u7ea7\u7279\u6027\uff0c\u6784\u7b51MoS2<\/sub>\u3001MoOx<\/sub>\u4e0eTiO2<\/sub>\u80fd\u7ea7\u5bf9\u9f50\u65b9\u5f0f\uff0c\u5bf9\u5f02\u8d28\u7ed3\u4e0e\u5f85\u68c0\u6d4b\u5206\u5b50\u4e4b\u95f4\u7684\u7535\u8377\u8f6c\u79fb\u8def\u5f84\u8fdb\u884c\u8be6\u5c3d\u7684\u5206\u6790\uff0c\u63ed\u793a\u4e86\u5f02\u8d28\u7ed3\u5728\u5206\u79bb\u3001\u8f93\u8fd0\u5149\u751f\u8f7d\u6d41\u5b50\uff0c\u63d0\u9ad8\u5206\u5b50\u6781\u5316\u7387\uff0c\u8fdb\u4e00\u6b65\u6539\u5584\u57fa\u5e95SERS\u6027\u80fd\u6f5c\u5728\u7269\u7406\u673a\u5236\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cFine fabrication of TiO2<\/sub>\/MoOx<\/sub> nano-heterojunctions and investigating on the improved charge transfer for SERS application\u201d\u4e3a\u9898\u53d1\u8868\u5728 Materials today nano\u671f\u520a\u4e0a\u3002\u5b81\u6ce2\u5927\u5b66\u7269\u7406\u5b66\u9662\u7855\u58eb\u7814\u7a76\u751f\u8c22\u677e\u6d0b\u4e3a\u8bba\u6587\u7b2c\u4e00\u4f5c\u8005\uff0c\u987e\u8fb0\u6770\u4e3a\u7b2c\u4e00\u901a\u8baf\u4f5c\u8005\u3002<\/strong><\/p>\n

\u56fe1\uff08a\uff09-\uff08c\uff09\u4e2d\u7684SEM\u56fe\u50cf\u663e\u793a\u4e86\u5236\u5907\u7684\u4e0d\u540c\u91cd\u91cf\u6bd4\u4f8b\u7684TiO2<\/sub>@MoS2<\/sub>\u7eb3\u7c73\u68d2\u7684\u5f62\u8c8c\u56fe\u50cf\u3002\u56fe1\uff08d\uff09\u663e\u793a\u4e86\u7eafMoS2<\/sub>\u7eb3\u7c73\u7247\u7684SEM\u56fe\u50cf\u3002\u5c06\u56fe1\uff08a\uff09-\uff08d\uff09\u4e2d\u7684\u6837\u54c1\u5728450\u2103\u7684\u7a7a\u6c14\u4e2d\u7145\u70e730\u5206\u949f\u5206\u522b\u5f97\u5230\u5bf9\u5e94\u5230\u7684\u56fe1\uff08e\uff09-\uff08g\uff09TiO2<\/sub>@MoOx\u7eb3\u7c73\u68d2\u7684\u5f62\u8c8c\u4ee5\u53ca\u56fe1\uff08f\uff09\u4e2d\u7684MoOx<\/sub>\u5f62\u8c8c\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u56fe 1 (a)TMS1\u3001 (b)TMS2\u3001 (c)TMS3\u3001 (d) \u7eaf MoS2 \u548c (e) TMO1\u3001 (f) TMO2\u3001(g) TMO3\u3001(h) \u7eaf MoOx<\/sub> \u7684 SEM\u56fe\u50cf<\/p>\n

\u6211\u4eec\u4f7f\u7528R6G\u4f5c\u4e3a\u62c9\u66fc\u62a5\u544a\u5206\u5b50\uff0c\u5bf9\u4e0a\u8ff0\u6750\u6599\u8fdb\u884cSERS\u6027\u80fd\u6d4b\u8bd5\u3002\u56fe2\uff08a\uff09\u548c\u56fe2\uff08b\uff09\u5206\u522b\u663e\u793a\u4e86\u7eafTiO2<\/sub>\u3001TiO2<\/sub>@MoS2<\/sub>\u7eb3\u7c73\u68d2\u548cMoS2<\/sub>\u4e0a\u7684SERS\u6027\u80fd\u4ee5\u53ca\u6c27\u5316\u540e\u7684\u7eafTiO2<\/sub>\u3001TiO2<\/sub>@MoOx<\/sub>\u7eb3\u7c73\u68d2\u548cMoOx<\/sub>\u4e0a\u7684SERS\u6027\u80fd\u3002\u56fe2\uff08c\uff09\u4e3aR6G\u4e3b\u5cf0\uff081360cm-1<\/sup>\uff09\u5904\u7684\u5bf9\u7167\u67f1\u72b6\u56fe\u3002\u80fd\u591f\u53d1\u73b0TMO3<\/sub>\u8fd9\u7ec4\u7684SERS\u6027\u80fd\u6700\u4f18\u3002<\/p>\n

\u56fe 2. \u5728 (a) \u7eaf TiO2<\/sub>\u3001TMS1\u3001TMS2\u3001TMS3 \u548c\u7eaf MoS2<\/sub> \u4e0a\u6d4b\u91cf\u7684 R6G \u62c9\u66fc\u5149\u8c31\u3002 (b) \u7eaf TiO2<\/sub>\u3001TMO1\u3001TMO2\u3001TMO3 \u548c\u7eaf MoOx\u4e0a\u6d4b\u91cf\u7684 R6G \u62c9\u66fc\u5149\u8c31\u3002 (c) \u5728\u4e0d\u540c\u57fa\u5e95\u4e0a\u6d4b\u5f97\u7684 P3 \u5cf0\u5f3a\u5ea6\u56fe\u5bf9\u6bd4\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u901a\u8fc7\u5bf9TMO3\u7684SERS\u6027\u80fd\u8fdb\u884c\u5206\u6790\u3002\u56fe3\uff08a\uff09\u4e3a\u4e0d\u540c\u6d53\u5ea6\u4e0b\u7684R6G\u6d4b\u91cf\u7684SERS\u5149\u8c31\uff0c\u80fd\u591f\u770b\u51fa\u6d53\u5ea6\u8fbe\u523010-8 <\/sup>M\u65f6\uff0c\u62c9\u66fc\u4fe1\u53f7\u4ecd\u7136\u53ef\u8fa8\uff0c\u8868\u660e\u68c0\u6d4b\u6781\u9650\uff08LoD\uff09\u53ef\u4ee5\u4f4e\u81f310-8 <\/sup>M\uff08R6G@4.0\u00d710-13<\/sup>M\/cm2<\/sup>\uff09\u3002\u6b64\u5916\uff0c\u56fe3(b)\u4e2dP3\u5cf0\u5f3a\u5ea6\u4e0e\u4e0d\u540cR6G\u6d53\u5ea6\u7684\u5bf9\u6570\u5173\u7cfb\u80fd\u591f\u62df\u5408\u4e3a\u76f4\u7ebf\uff0c\u8fd9\u8868\u660e\u8be5\u57fa\u5e95\u5177\u6709\u826f\u597d\u7684\u7ebf\u6027\u68c0\u6d4b\u80fd\u529b\u3002\u5e76\u4e14\u56fe3\uff08c\uff09\u548c\u56fe3\uff08d\uff09\u5206\u522b\u8868\u793aP3\u5cf0\u7684mapping\u56fe\u548c\u5bf9\u5e94\u6570\u636e\u7684\u5f3a\u5ea6\u6563\u70b9\u56fe\uff0c\u80fd\u591f\u770b\u51fa\u5177\u6709\u5341\u5206\u4f18\u5f02\u7684SERS\u5747\u5300\u6027\u3002<\/p>\n

\u56fe 3. (a) \u4e0d\u540c R6G \u6d53\u5ea6\u5728 TMO3 \u4e0a\u7684\u62c9\u66fc\u5149\u8c31\u3002 (b) P3\u5cf0\u5f3a\u5ea6\u4e0e\u4e0d\u540cR6G\u6d53\u5ea6\u7684\u5173\u7cfb\u56fe\uff1b (c) 1360 cm-1<\/sup> \u5904\u7684\u62c9\u66fc\u5cf0\u5f3a\u5ea6mapping\u56fe\u4ee5\u53ca(d) \u6d4b\u91cf\u6570\u636e\u70b9\u7684\u6563\u70b9\u56fe\u3002(b) \u4e2d\u7684\u63d2\u56fe\u663e\u793a\u4e86\u4e0d\u540c R6G \u6d53\u5ea6\u4e0b\u7684 EF\u3002 (d) \u4e2d\u7684\u63d2\u56fe\u663e\u793a\u4e86\u6d4b\u91cf\u6570\u636e\u70b9\u7684\u7b26\u5408\u9ad8\u65af\u5206\u5e03\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u63a5\u4e0b\u6765\u4f7f\u7528XPS\u5bf9\u6750\u6599\u8fdb\u884c\u8868\u5f81\uff0c\u901a\u8fc7XPS\u7cbe\u7ec6\u8c31\u6765\u5206\u79bb\u5143\u7d20\u4ef7\u6001\uff0c\u8bc1\u660e\u5408\u6210\u7684\u6c27\u5316\u94bc\u5177\u6709\u4e00\u5b9a\u7684\u7f3a\u9677\uff0c\u63d0\u5347\u4e86MoOx<\/sub>\u7684\u7535\u8377\u8f6c\u79fb\u6027\u80fd\uff0c\u4f7f\u5176\u5177\u6709\u4e00\u5b9a\u7684SERS\u589e\u5f3a\u80fd\u529b\u3002\u540c\u65f6\uff0cXPS\u8c31\u4e2d\u5143\u7d20\u7684\u7ed3\u5408\u80fd\u504f\u79fb\u4e5f\u63ed\u793a\u4e86\u5f02\u8d28\u7ed3\u7684\u5f62\u6210\u3002<\/p>\n

\u56fe 4 (a) \u7eaf TiO2<\/sub>\u3001(b) TMS2<\/sub> \u548c (c) TMO3<\/sub> \u7684 XPS \u8c31\uff1b (d) Ti 2p\u7684XPS\u7cbe\u7ec6\u8c31\uff1b (e) TMS2 \u4e0a\u7684 Mo 3d \u548c (f) TMO3 \u4e0a\u7684 Mo 3d\u7cbe\u7ec6\u8c31\uff1b(g)\u5728\u7eaf TiO2<\/sub>\u3001TMS2 \u548c TMO3 \u4e0a\u7684Ti 2p\u7ed3\u5408\u80fd\u53d8\u5316\uff1b(h) \u5728\u7eaf MoS2<\/sub>\u3001TMS2 \u4e0aMo 3d\u7684\u7ed3\u5408\u80fd\u53d8\u5316\uff1b (i) \u5728\u7eaf MoOx<\/sub>\u3001TMO3 \u4e0aMo 3d\u7684\u7ed3\u5408\u80fd\u53d8\u5316\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u8fdb\u4e00\u6b65\uff0c\u4e3a\u4e86\u8bc1\u660eSERS\u7684\u589e\u5f3a\u673a\u5236\u4e0e\u5206\u5b50\u548c\u5f02\u8d28\u7ed3\u4e4b\u95f4\u7684\u7535\u8377\u8f6c\u79fb\u8fc7\u7a0b\uff0c\u6211\u4eec\u4f7f\u7528\u7d2b\u5916-\u53ef\u89c1\u6f2b\u53cd\u5c04\u5149\u8c31\uff08DRS\uff09\u548c\u7d2b\u5916\u5149\u7535\u5b50\u80fd\u8c31\uff08UPS\uff09\u68c0\u6d4b\uff0c\u83b7\u53d6\u6750\u6599\u5404\u81ea\u7684\u80fd\u5e26\uff08\u56fe5(a)-(c)\uff09\u3002\u56fe5\uff08g\uff09\u548c\uff08h\uff09\u663e\u793a\u4e86\u6784\u9020\u7684\u4e24\u79cd\u5f02\u8d28\u7ed3\uff08TMS2\u548cTMO3\uff09\u7684\u80fd\u5e26\u793a\u610f\u56fe\u3002\u53ef\u4ee5\u770b\u51fa\uff0cTMS2\u548cTMO3\u90fd\u5f62\u6210\u4e86\u4ea4\u9519\u7684\u95f4\u9699\u5f02\u8d28\u7ed3\u3002\u7531\u4e8e\u5149\u4ea7\u751f\u7684\u7535\u5b50\u5411MoOx<\/sub>\u79fb\u52a8\uff0c\u4ece\u800c\u5728TiO2<\/sub>\u7eb3\u7c73\u68d2\u4e0a\u751f\u957f\u51fa\u66f4\u5bc6\u96c6\u7684MoOx<\/sub>\u7eb3\u7c73\u7247\uff0c\u5206\u5b50\u4ecd\u7136\u53ef\u4ee5\u4e0eMoOx<\/sub>\u5f62\u6210\u7d27\u5bc6\u7684\u7ed3\u5408\uff0c\u5e76\u4fc3\u8fdb\u7535\u8377\u8f6c\u79fb\uff08CT\uff09\u3002\u56e0\u6b64\uff0c\u5728TMO3\u4e0a\u83b7\u5f97\u4e86\u6700\u597d\u7684SERS\u6027\u80fd\u3002<\/p>\n

\u56fe5. (a)\u7eafTiO2<\/sub>\uff0c(b)\u7eafMoS2<\/sub>\u548c(c)\u7eafMoOx<\/sub> \u4e0a\u7684 (F(R)h\u03bd)1\/2\u4e0eh\u03bd\u66f2\u7ebf\uff1b(d)\u7eafTiO2<\/sub>\u3001(e)\u7eafMoS2<\/sub>\u3001(f)\u7eafMoOx\u4e0a\u6d4b\u91cf\u7684UPS\u5149\u8c31\uff1b(g)TMS2\u4e0eR6G\u7684\u80fd\u5e26\u793a\u610f\u56fe\uff1b(h)TMO3\u4e0eR6G\u7684\u80fd\u5e26\u793a\u610f\u56fe\u3002<\/p>\n

\"\"<\/a><\/p>\n

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\"\"<\/a><\/p>\n

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

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\u3010\u6587\u732e\u8fde\u63a5\u3011<\/strong><\/p>\n

https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2588842022000074<\/p>\n

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