{"id":256800,"date":"2023-12-29T06:41:14","date_gmt":"2023-12-28T22:41:14","guid":{"rendered":"\/\/m.iemloyee.com\/?p=256800"},"modified":"2023-12-28T20:41:25","modified_gmt":"2023-12-28T12:41:25","slug":"%e5%91%a8%e5%b0%8f%e5%85%83%e6%95%99%e6%8e%88%e8%af%be%e9%a2%98%e7%bb%84energy-environmental-science-%e5%85%89%e8%87%b4%e5%8f%98%e8%89%b2%e5%8d%95%e5%8e%9f%e5%ad%90ag-tio2%e5%82%ac%e5%8c%96","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=256800","title":{"rendered":"\u5468\u5c0f\u5143\u6559\u6388\u8bfe\u9898\u7ec4Energy &#038; Environmental Science: \u5149\u81f4\u53d8\u8272\u5355\u539f\u5b50Ag\/TiO2\u50ac\u5316\u5242\u7528\u4e8e\u9009\u62e9\u6027CO2\u5149\u8fd8\u539f\u5236CH4"},"content":{"rendered":"<p>\u7b2c\u4e00\u4f5c\u8005\uff1a\u73ed\u671d\u521a<\/p>\n<p>\u901a\u8baf\u4f5c\u8005\uff1a\u7518\u7acb\u52c7\u526f\u7814\u7a76\u5458\u3001\u97e9\u5e7f\u6559\u6388\u3001\u5468\u5c0f\u5143\u6559\u6388<\/p>\n<p>\u901a\u8baf\u5355\u4f4d\uff1a\u91cd\u5e86\u5927\u5b66<\/p>\n<p>\u8bba\u6587DOI\uff1a10.1039\/D3EE02800C<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256802\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-1-9.png\" alt=\"\" width=\"854\" height=\"356\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-1-9.png 854w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-1-9-300x125.png 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-1-9-768x320.png 768w\" sizes=\"(max-width: 854px) 100vw, 854px\" \/><\/p>\n<p><strong><b>\u5168\u6587\u901f\u89c8<\/b><\/strong><\/p>\n<p>\u5229\u7528CO<sub>2<\/sub>\u548cH<sub>2<\/sub>O\u5149\u50ac\u5316\u751f\u4ea7CH<sub>4<\/sub>\u88ab\u8ba4\u4e3a\u662f\u89e3\u51b3\u73af\u5883\u548c\u80fd\u6e90\u5371\u673a\u6700\u53ef\u6301\u7eed\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u7136\u800c\uff0c\u7531\u4e8e\u7535\u5b50\u751f\u4ea7\u6548\u7387\u4f4e\u4e0b\u3001\u8d28\u5b50\u4f9b\u5e94\u4e0d\u8db3\u548c\u5173\u952e\u4e2d\u95f4\u4f53\u7684\u7a33\u5b9a\u6027\u4e0d\u8db3\uff0c\u8be5\u7b56\u7565\u53d7\u5230\u6d3b\u6027\u5dee\u548c\u9009\u62e9\u6027\u4f4e\u7684\u4e25\u91cd\u56f0\u6270\u3002\u5728\u6b64\uff0c\u63d0\u51fa\u4e86\u5149\u81f4\u53d8\u8272\u5355\u539f\u5b50\u5149\u50ac\u5316\u7684\u5168\u65b0\u8bbe\u8ba1\u7406\u5ff5\u6765\u540c\u65f6\u514b\u670d\u8fd9\u4e9b\u95ee\u9898\u3002\u4f5c\u4e3a\u539f\u578b\uff0c\u5355\u94f6\u539f\u5b50\u951a\u5b9a\u7684TiO<sub>2<\/sub>\u7eb3\u7c73\u7c92\u5b50\u5728\u5149\u7167\u5c04\u4e0b\u8868\u73b0\u51fa\u5feb\u901f\u4e14\u8089\u773c\u53ef\u89c1\u7684\u5149\u81f4\u53d8\u8272\u884c\u4e3a\uff0c\u8fd9\u5f52\u56e0\u4e8e\u5149\u751f\u7535\u5b50\u7684\u6355\u83b7\uff0c\u4ea7\u751f\u7684\u6709\u8272\u6001\u53ef\u6709\u6548\u6291\u5236\u5149\u751f\u8f7d\u6d41\u5b50\u7684\u7ed3\u5408\u5e76\u63d0\u9ad8\u5176\u8fc1\u79fb\u3002\u673a\u7406\u5206\u6790\u8868\u660e\uff0cAg\u5355\u539f\u5b50\u4f5c\u4e3a\u6355\u83b7CO<sub>2<\/sub>\u5e76\u7a33\u5b9a\u5173\u952eC1\u4e2d\u95f4\u4f53\u7684\u4e3b\u8981\u6d3b\u6027\u4f4d\u70b9\uff0c\u800c\u76f8\u90bbTi\u4f4d\u70b9\u4fc3\u8fdbH<sub>2<\/sub>O\u7684\u6d3b\u5316\u4ee5\u4ea7\u751f\u66f4\u591a\u8d28\u5b50\uff0c\u4ece\u800c\u5171\u540c\u63d0\u4f9b\u9ad8\u6d3b\u6027\u4f4d\u70b9\u4fc3\u8fdb\u751f\u4ea7CH<sub>4<\/sub>\u800c\u4e0d\u662fCO\u3002\u56e0\u6b64\uff0cAg\u5355\u539f\u5b50\u8d1f\u8f7dTiO<sub>2<\/sub>\u7eb3\u7c73\u7c92\u5b50\u5b9e\u73b0\u4e8646.0 \u00b5mol g<sup>\u22121<\/sup>\u00a0h<sup>\u22121<\/sup>\u7684\u8d85\u9ad8\u6d3b\u6027\u548c\u7ea691%\u7684CH<sub>4<\/sub>\u7535\u5b50\u9009\u62e9\u6027\u3002\u6240\u63d0\u51fa\u7684\u4e00\u4f53\u5316\u8bbe\u8ba1\u6982\u5ff5\uff0c\u7279\u522b\u662f\u8089\u773c\u53ef\u89c1\u7684\u7535\u5b50\u6355\u83b7\u5149\u81f4\u53d8\u8272\uff0c\u4e3a\u5927\u5e45\u63d0\u9ad8\u5149\u751f\u7535\u5b50\u7684\u4ea7\u7387\u4ee5\u52a0\u901f\u5404\u79cd\u5149\u50ac\u5316\u8fd8\u539f\u53cd\u5e94\u5f00\u8f9f\u4e86\u4e00\u6761\u65b0\u9014\u5f84\u3002<\/p>\n<p><strong><b>\u80cc\u666f\u4ecb\u7ecd<\/b><\/strong><\/p>\n<p>\u7531\u4e8e\u8fc7\u591a\u7684CO<sub>2<\/sub>\u6392\u653e\u5bfc\u81f4\u78b3\u5faa\u73af\u5e73\u8861\u88ab\u6253\u7834\uff0c\u8feb\u5207\u9700\u8981\u53d1\u5c55\u548c\u5b9e\u65bd\u53ef\u6301\u7eed\u7684\u78b3\u4e2d\u548c\u7ecf\u6d4e\u3002\u5176\u4e2d\uff0c\u5149\u50ac\u5316\u8fd8\u539fCO<sub>2<\/sub>\u4e3a\u7532\u70f7\u662f\u6700\u6709\u524d\u9014\u7684\u65b9\u6cd5\u4e4b\u4e00\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u51cf\u5c11CO<sub>2<\/sub>\u6392\u653e\uff0c\u8fd8\u80fd\u4ea7\u751f\u91cd\u8981\u7684\u6e05\u6d01\u71c3\u6599\u548c\u5de5\u4e1a\u539f\u6599CH<sub>4<\/sub>\u3002\u7136\u800c\uff0cCO<sub>2<\/sub>\u8f6c\u5316\u4e3aCH<sub>4<\/sub>\u7684\u8fc7\u7a0b\u52a8\u529b\u5b66\u7f13\u6162\u4e14\u5bb9\u6613\u5206\u53c9\u751f\u6210\u5404\u79cd\u5176\u4ed6\u4ea7\u7269\uff0c\u4f7f\u5f97\u9ad8\u6548\u4e14\u9009\u62e9\u6027\u5730\u4ea7\u751fCH<sub>4<\/sub>\u5b58\u5728\u5de8\u5927\u6311\u6218\u3002\u5728\u6b64\uff0c\u6211\u4eec\u8bbe\u8ba1\u4e86\u4e00\u79cd\u5149\u81f4\u53d8\u8272\u7684\u5355\u539f\u5b50Ag\/TiO<sub>2<\/sub>\u50ac\u5316\u5242\uff0c\u5176\u6d3b\u6027\u4e2d\u5fc3\u4e3aAg-Ti\u53cc\u4f4d\u70b9\u3002\u5236\u5907\u7684\u5355\u539f\u5b50Ag\/TiO<sub>2<\/sub>\u50ac\u5316\u5242\u5728\u5149\u7167\u5c04\u4e0b\u8868\u73b0\u51fa\u72ec\u7279\u3001\u5feb\u901f\u4e14\u53ef\u9006\u7684\u5149\u81f4\u53d8\u8272\u884c\u4e3a\u3002\u5177\u4f53\u800c\u8a00\uff0cAg\/TiO<sub>2<\/sub>\u6700\u521d\u5904\u4e8e\u4f11\u606f\u72b6\u6001\uff0c\u7136\u540e\u5728\u5149\u81f4\u53d8\u8272\u8fc7\u7a0b\u4e2d\u8f6c\u53d8\u4e3a\u6d3b\u5316\u72b6\u6001\u3002\u5f62\u6210\u7684\u6d3b\u5316\u72b6\u6001\u53ef\u4ee5\u6709\u6548\u6291\u5236\u5149\u751f\u8f7d\u6d41\u5b50\u7684\u590d\u5408\uff0c\u5e76\u52a0\u901f\u5149\u751f\u7535\u8377\u7684\u7a7a\u95f4\u5206\u79bb\u548c\u8fc1\u79fb\u3002\u800cAg\u548cTi\u4f4d\u70b9\u5206\u522b\u6709\u52a9\u4e8e\u7a33\u5b9aC1\u4e2d\u95f4\u4f53\u548c\u8d28\u5b50\u4f9b\u5e94\uff0c\u4ece\u800c\u5171\u540c\u9ad8\u6548\u50ac\u5316CO<sub>2<\/sub>\u7532\u70f7\u5316\u3002\u6700\u7ec8\uff0c\u5728\u5149\u81f4\u53d8\u8272\u7684\u5355\u539f\u5b50Ag\/TiO<sub>2<\/sub>\u50ac\u5316\u5242\u4e0a\u5b9e\u73b0\u4e86\u9ad8CH<sub>4<\/sub>\u751f\u6210\u901f\u7387\u548c\u9ad8\u9009\u62e9\u6027\u3002<\/p>\n<p><strong><b>\u672c\u6587\u4eae\u70b9<\/b><\/strong><\/p>\n<p>\u6211\u4eec\u8bbe\u8ba1\u4e86Ag\/TiO<sub>2<\/sub>\u5355\u539f\u5b50\u50ac\u5316\u5242\uff0c\u5176\u5c55\u73b0\u51fa\u8089\u773c\u53ef\u89c1\u7684\u5149\u81f4\u53d8\u8272\u73b0\u8c61\u4fc3\u8fdb\u4e86\u7535\u8377\u7684\u8f6c\u79fb\u4e0e\u5206\u79bb\u5e76\u6291\u5236\u5149\u751f\u8f7d\u6d41\u5b50\u7684\u590d\u5408\uff0cAg\u548cTi\u53cc\u4f4d\u70b9\u534f\u540c\u4fc3\u8fdb\u4e86CO<sub>2<\/sub>\u5149\u8fd8\u539f\u751f\u6210CH<sub>4<\/sub>\u3002\u6240\u63d0\u51fa\u7684\u4e00\u4f53\u5316\u8bbe\u8ba1\u6982\u5ff5\uff0c\u7279\u522b\u662f\u8089\u773c\u53ef\u89c1\u7684\u7535\u5b50\u6355\u83b7\u5149\u81f4\u53d8\u8272\uff0c\u4e3a\u5927\u5e45\u63d0\u9ad8\u5149\u751f\u7535\u5b50\u7684\u4ea7\u7387\u548c\u6548\u7387\u4ee5\u52a0\u901f\u5404\u79cd\u5149\u50ac\u5316\u8fd8\u539f\u53cd\u5e94\u5f00\u8f9f\u4e86\u4e00\u6761\u65b0\u9014\u5f84\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256803\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-2-10.png\" alt=\"\" width=\"800\" height=\"367\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-2-10.png 800w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-2-10-300x138.png 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-2-10-768x352.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>Fig. 1<\/strong>. Schematic illustrations for (<strong>a<\/strong>) the photochromic cycle of Ag\/TiO<sub>2<\/sub>\u00a0and (<strong>b<\/strong>) the photocatalytic CO<sub>2<\/sub>-to-CH<sub>4<\/sub>\u00a0conversion cycle over the Ag-Ti active site on Ag\/TiO<sub>2<\/sub>.<\/p>\n<p><strong><b>\u56fe\u6587\u89e3\u6790<\/b><\/strong><\/p>\n<p><strong><b>\u8981\u70b9\u4e00\uff1a\u7403\u5dee\u7535\u955c+\u540c\u6b65\u8f90\u5c04\u8bc1\u660eAg\/TiO<\/b><\/strong><strong><sub><b>2<\/b><\/sub><\/strong><strong><b>\u5355\u539f\u5b50\u50ac\u5316\u5242\u7684\u6210\u529f\u5236\u5907<\/b><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256804\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-3-9.png\" alt=\"\" width=\"800\" height=\"920\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-3-9.png 800w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-3-9-261x300.png 261w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-3-9-768x883.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Fig. 2. (a) AC-HAADF-STEM image of Ag\/TiO<sub>2<\/sub>. (b) FT-EXAFS spectra of Ag\/TiO<sub>2<\/sub>, Ag<sub>2<\/sub>O and Ag foil. (c) EXAFS k space curves of Ag\/TiO<sub>2<\/sub>. Inset shows the proposed local structure of single Ag atoms in Ag\/TiO<sub>2<\/sub>. (d) Ag k-edge XANES spectra of Ag\/TiO<sub>2<\/sub>, Ag<sub>2<\/sub>O and Ag foil. Wavelet transform of (e) Ag\/TiO<sub>2<\/sub>\u00a0and (f) Ag<sub>2<\/sub>O.<\/p>\n<p>\u901a\u8fc7\u6e7f\u5316\u5b66\u6cd5\u52a0\u9ad8\u6e29\u7145\u70e7\u65b9\u6cd5\u5236\u5907\u4e86Ag\/TiO<sub>2<\/sub>\u5355\u539f\u5b50\u50ac\u5316\u5242\u3002\u91c7\u7528\u7403\u5dee\u7535\u955c\uff0c\u786e\u8ba4\u4e86Ag\u5728TiO<sub>2<\/sub>\u660e\u663e\u5448\u73b0\u5355\u5206\u6563\u7684\u72b6\u6001\uff08\u56fe2a\uff09\u3002\u6b64\u5916\uff0cEXAFS\u5149\u8c31\u7684R\u7a7a\u95f4\u53ef\u4ee5\u770b\u51fa\u4e0d\u5b58\u5728\u660e\u663e\u7684Ag-Ag\u952e\uff08\u56fe2b\uff09\uff0c\u8bf4\u660eAg\u5355\u539f\u5b50\u8d1f\u8f7dTiO<sub>2<\/sub>\u88ab\u6210\u529f\u5408\u6210\u3002\u6b64\u5916\u8fdb\u4e00\u6b65\u5bf9EXAFS\u5149\u8c31\u62df\u5408\u53ef\u77e5\u6240\u5236\u5907Ag\u5355\u539f\u5b50\u662f\u54482\u914d\u4f4d\u6c27\u7684\u7ed3\u6784\uff08\u56fe2c\uff09\u3002\u540c\u65f6\uff0cXANES\u8fdb\u4e00\u6b65\u63ed\u793a\u4e86Ag\u5448\u73b0\u6b63\u4ef7\u6001\uff08\u56fe2d\uff09\u3002\u53e6\u5916\uff0c\u901a\u8fc7\u5c0f\u6ce2\u53d8\u6362\u53ef\u4ee5\u8fdb\u4e00\u6b65\u770b\u51faAg\/TiO<sub>2<\/sub>\u4e2d\u4ec5\u5b58\u5728Ag-O\u914d\u4f4d\uff0c\u4e0eR\u7a7a\u95f4EXAFS\u5149\u8c31\u4e00\u81f4\uff08\u56fe2e-f\uff09\u3002<\/p>\n<p><strong><b>\u8981\u70b9\u4e8c\uff1a\u5b9e\u9a8c+\u7406\u8bba\u63ed\u793a\u5149\u81f4\u53d8\u8272\u673a\u7406\u548c\u5149\u81f4\u53d8\u8272\u7684\u4f5c\u7528<\/b><\/strong><\/p>\n<p>\u9996\u5148\uff0c\u901a\u8fc7\u51c6\u539f\u4f4dXPS\u5149\u8c31\u53d1\u73b0\u5904\u4e8e\u5149\u81f4\u53d8\u8272\u6d3b\u5316\u72b6\u6001\u7684Ag\/TiO<sub>2<\/sub>\u4e2dAg\u548cTi\u7ed3\u5408\u80fd\u8d1f\u79fb\uff0c\u8bf4\u660e\u5149\u81f4\u53d8\u8272\u8fc7\u7a0b\u4e2dAg\u548cTi\u5f97\u5230\u7535\u5b50\uff08\u56fe3a-b\uff09\u3002\u800c\u4e0e\u4e4b\u76f8\u53cd\u7684\u662fO\u7684\u7ed3\u5408\u80fd\u660e\u663e\u6b63\u79fb\uff0c\u8bf4\u660e\u6b64\u8fc7\u7a0bO\u662f\u53bb\u4e86\u7535\u5b50\uff08\u56fe3c\uff09\u3002\u8fdb\u4e00\u6b65\u7406\u8bba\u8ba1\u7b97\u63ed\u793a\u4e86\u5149\u81f4\u53d8\u8272\u7684\u539f\u56e0\u53ef\u4ee5\u5f52\u7ed3\u4e8e\u5728\u5149\u6fc0\u53d1\u7684\u8fc7\u7a0b\u4e2d\u8d21\u732e\u4ef7\u5e26\u9876\u7684O 2p\u8f68\u9053\u7535\u5b50\u88ab\u6fc0\u53d1\u5230\u8d21\u732e\u5bfc\u5e26\u5e95\u7684Ag 5s\u548cTi 3d\u8f68\u9053\uff0c\u4f7f\u5f97\u5149\u751f\u7535\u5b50\u805a\u96c6\u5728Ag\u548cTi\u4e0a\u5bfc\u81f4\u8868\u9762\u5c40\u57df\u7ed3\u6784\u7578\u53d8\u5e76\u51fa\u73b0\u6742\u8d28\u6001\uff0c\u56e0\u6b64\u5c55\u73b0\u51fa\u8089\u773c\u53ef\u89c1\u7684\u5149\u81f4\u53d8\u8272\u73b0\u8c61\uff08\u56fe4\uff09\u3002\u6b64\u5916\uff0cPL\u3001TRPL\u548cUV-vis\u5149\u8c31\u8fdb\u4e00\u6b65\u63ed\u793a\u4e86\u5149\u81f4\u53d8\u8272\u540e\u5904\u4e8e\u6d3b\u5316\u72b6\u6001\u7684Ag\/TiO<sub>2<\/sub>\u6709\u6548\u7684\u4fc3\u8fdb\u4e86\u5149\u751f\u8f7d\u6d41\u5b50\u7684\u5206\u79bb\u4e0e\u8f6c\u79fb\uff0c\u6291\u5236\u4e86\u5149\u751f\u7535\u8377\u7684\u590d\u5408\uff08\u56fe3d-f\uff09\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256805\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-5-5.png\" alt=\"\" width=\"800\" height=\"949\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-5-5.png 800w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-5-5-253x300.png 253w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-5-5-768x911.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Fig. 3. Quasi in situ XPS of (a) Ag 3d, (b) Ti 2p and (c) O 1s spectra of Ag\/TiO<sub>2<\/sub>\u00a0at the resting (before the light), active (lighting) and regenerated resting (O<sub>2<\/sub>\u00a0bleaching) state. (d) Steady-state PL spectra, (e) TRPL spectra and (f) EIS spectra of Ag\/TiO<sub>2<\/sub>\u00a0at the resting and active state and TiO<sub>2<\/sub>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256806\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-4-7.png\" alt=\"\" width=\"800\" height=\"507\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-4-7.png 800w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-4-7-300x190.png 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-4-7-768x487.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Fig. 4. Structure models of Ag\/TiO<sub>2<\/sub>\u00a0at the (a) resting and (b) active state. The blue, red and purple balls represent Ti, O and Ag atoms, respectively. Density of states for Ag\/TiO<sub>2<\/sub>\u00a0at the (c) resting and (d) active state. Schematics of (e) photo-electron generation upon illumination and (f) its localization at the mid-gap states.<\/p>\n<p><strong><b>\u8981\u70b9\u4e09\uff1a\u5b9e\u9a8c+\u7406\u8bba\u63ed\u793a\u53cc\u4f4d\u70b9\u6709\u6548\u4fc3\u8fdbCO<\/b><\/strong><strong><sub><b>2<\/b><\/sub><\/strong><strong><b>\u8f6c\u5316\u4e3aCH<\/b><\/strong><strong><sub><b>4<\/b><\/sub><\/strong><\/p>\n<p>Ag\/TiO<sub>2<\/sub>\u7684CH<sub>4<\/sub>\u4ea7\u7387\u6700\u9ad8\u53ef\u8fbe\u523046.0 \u03bcmol g<sup>-1<\/sup>\u00a0h<sup>-1<\/sup>\uff08\u56fe5a\uff09\uff0cCO<sub>2<\/sub>\u8fd8\u539f\u4e3aCH<sub>4<\/sub>\u7684\u7535\u5b50\u9009\u62e9\u6027\u4e3a91%\uff08\u56fe5b\uff09\u3002\u7ed3\u5408\u4e00\u7cfb\u5217\u539f\u4f4d\u8868\u5f81\u548cDFT\u8ba1\u7b97\u5206\u6790\uff08\u56fe5-7\uff09\uff0c\u53ef\u4ee5\u53d1\u73b0Ag\/TiO<sub>2<\/sub>\u4e0a\u5b64\u7acb\u7684Ag\u539f\u5b50\u4f5c\u4e3a\u4e3b\u8981\u6d3b\u6027\u4f4d\u70b9\u6765\u6355\u83b7CO<sub>2<\/sub>\u5e76\u7a33\u5b9a\u5173\u952e\u7684C1\u4e2d\u95f4\u4f53\uff0c\u800c\u76f8\u90bb\u7684Ti\u4f4d\u70b9\u5219\u4fc3\u8fdbH<sub>2<\/sub>O\u7684\u6d3b\u5316\u4ee5\u4ea7\u751f\u66f4\u591a\u7684\u8d28\u5b50\uff0c\u4ece\u800c\u5171\u540c\u63d0\u4f9b\u9ad8\u6d3b\u6027\u4f4d\u70b9\u6765\u4fc3\u8fdbCH<sub>4<\/sub>\u7684\u4ea7\u751f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256807\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-7-2.png\" alt=\"\" width=\"865\" height=\"724\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-7-2.png 865w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-7-2-300x251.png 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-7-2-768x643.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/p>\n<p>Fig. 5. (a) Performance of photocatalytic CO<sub>2<\/sub>\u00a0reduction on Ag\/TiO<sub>2<\/sub>\u00a0as a function of Ag loading mass. (b) CH<sub>4<\/sub>\u00a0electron and product selectivity of TiO<sub>2<\/sub>\u00a0and Ag\/TiO<sub>2<\/sub>\u00a0(0.23\u2009wt.%). In situ DRIFTS spectra of (c) TiO<sub>2<\/sub>\u00a0and (d) Ag\/TiO<sub>2<\/sub>\u00a0for CO<sub>2<\/sub>\u00a0reduction at 2700-3100 cm<sup>\u22121<\/sup>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256808\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-6-4.png\" alt=\"\" width=\"865\" height=\"773\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-6-4.png 865w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-6-4-300x268.png 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-6-4-768x686.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/p>\n<p>Fig. 6. (a) CO-TPD of TiO<sub>2<\/sub>\u00a0and Ag\/TiO<sub>2<\/sub>. (b) Charge density difference of CO adsorption at the Ag site on Ag\/TiO<sub>2<\/sub>. (c) In situ DRIFTS normalized absorbance of H<sub>2<\/sub>O on TiO<sub>2<\/sub>\u00a0and Ag\/TiO<sub>2<\/sub>. (d) Charge density difference of H<sub>2<\/sub>O adsorption at the Ti site on Ag\/TiO<sub>2<\/sub>. The yellow and cyan colors represent electron accumulation and depletion, respectively. The isosurface value is 2.5 \u00d7 10<sup>\u22123<\/sup>\u00a0e \u00c5<sup>\u22123<\/sup>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256809\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-8.png\" alt=\"\" width=\"865\" height=\"988\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-8.png 865w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-8-263x300.png 263w, \/\/m.iemloyee.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-8-768x877.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/p>\n<p>Fig. 7. Free energy diagrams of photocatalytic CO<sub>2<\/sub>\u00a0methanation and corresponding optimized structure at each state on (a) Ag\/TiO<sub>2<\/sub>\u00a0and (b) TiO<sub>2<\/sub>. The energetically favorable reaction paths are represented by red lines. The blue, red, purple and white balls represent Ti, O, Ag and H atoms, respectively. pCOHP of (c) *CO and (d) *CHO adsorption at the Ti (left panel) and Ag (right panel) on Ag\/TiO<sub>2<\/sub>, respectively.<\/p>\n<p><strong><b>\u603b\u7ed3\u4e0e\u5c55\u671b<\/b><\/strong><\/p>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u901a\u8fc7\u5728TiO<sub>2<\/sub>\u7eb3\u7c73\u9897\u7c92\u4e0a\u951a\u5b9a\u5355\u4e2aAg\u539f\u5b50\uff0c\u6210\u529f\u8bbe\u8ba1\u5e76\u5408\u6210\u4e86\u4e00\u79cd\u5149\u81f4\u53d8\u8272\u7684\u5355\u539f\u5b50Ag\/TiO<sub>2<\/sub>\u50ac\u5316\u5242\uff0c\u5c55\u73b0\u4e86\u5353\u8d8a\u7684\u5149\u50ac\u5316CO<sub>2<\/sub>\u5230CH<sub>4<\/sub>\u8f6c\u5316\u6027\u80fd\u3002\u5236\u5907\u7684Ag\/TiO<sub>2<\/sub>\u6837\u54c1\u5728\u5149\u7167\u5c04\u4e0b\u7531\u4e8e\u5176\u5bf9\u5149\u751f\u7535\u5b50\u7684\u6355\u83b7\u8868\u73b0\u51fa\u72ec\u7279\u3001\u8fc5\u901f\u548c\u53ef\u9006\u7684\u5149\u81f4\u53d8\u8272\u884c\u4e3a\u3002\u8fd9\u79cd\u53d8\u8272\u540e\u7684\u6d3b\u5316\u72b6\u6001\u53ef\u6709\u6548\u4fc3\u8fdb\u5149\u751f\u8f7d\u6d41\u5b50\u7684\u5206\u79bb\u548c\u8fc1\u79fb\u3002\u7814\u7a76\u8fdb\u4e00\u6b65\u8bc1\u5b9e\uff0cAg\/TiO<sub>2<\/sub>\u4e0a\u5b64\u7acb\u7684Ag\u4f4d\u70b9\u548c\u76f8\u90bb\u7684Ti\u4f4d\u70b9\u5206\u522b\u7a33\u5b9a\u4e86\u5173\u952e\u4e2d\u95f4\u4f53\uff08*CO\u548c*CHO\uff09\u5e76\u4fc3\u8fdb\u4e86H<sub>2<\/sub>O\u6d3b\u5316\u4ee5\u63d0\u4f9b\u8d28\u5b50\u3002\u56e0\u6b64\uff0c\u5f62\u6210\u7684\u6d3b\u6027\u4f4d\u70b9\u4e0d\u4ec5\u4f7f\u6574\u4e2a\u8fc7\u7a0b\u5728\u70ed\u529b\u5b66\u4e0a\u66f4\u52a0\u5bb9\u6613\uff0c\u800c\u4e14\u5c06\u80fd\u91cf\u4e0a\u4e0d\u5229\u7684*CO\u8d28\u5b50\u5316\u8f6c\u5316\u4e3a\u6709\u5229\u7684\u6b65\u9aa4\uff0c\u4ece\u800c\u6539\u53d8\u53cd\u5e94\u9014\u5f84\uff0c\u9009\u62e9\u6027\u751f\u6210CH<sub>4<\/sub>\u800c\u4e0d\u662fCO\u3002\u6700\u7ec8\uff0c\u5b9e\u73b0\u4e8646.0 \u00b5mol g<sup>\u22121<\/sup>\u00a0h<sup>\u22121<\/sup>\u7684\u5353\u8d8aCH<sub>4<\/sub>\u751f\u6210\u6d3b\u6027\u548c\u7ea691%\u7684CH<sub>4<\/sub>\u7535\u5b50\u9009\u62e9\u6027\u3002<\/p>\n<p><strong><b>\u4f5c\u8005\u4ecb\u7ecd\uff1a<\/b><\/strong><\/p>\n<p><strong><b>\u73ed\u671d\u521a<\/b><\/strong>\uff0c\u91cd\u5e86\u5927\u5b66\u5728\u8bfb\u535a\u58eb\u7814\u7a76\u751f\uff08\u5bfc\u5e08\uff1a\u5468\u5c0f\u5143\u6559\u6388\uff09\u3002\u7814\u7a76\u65b9\u5411\u4e3a\u534a\u5bfc\u4f53\u5149\u7535\u50ac\u5316CO<sub>2<\/sub>\u8fd8\u539f\u3001\u6c34\u5206\u89e3\u5236\u6c22\u3001\u5355\u539f\u5b50\u50ac\u5316\u5242\u7684\u8bbe\u8ba1\u4e0e\u5f00\u53d1\u3002\u5728Energ.\u00a0Environ. Sci.\u3001Nano-Micro Lett.\u3001Sep. Purif. Technol.\u7b49\u671f\u520a\u53d1\u8868\u8bba\u658720\u4f59\u7bc7\u3002<\/p>\n<p><strong>\u7518\u7acb\u52c7<\/strong>\uff0c\u91cd\u5e86\u5927\u5b66\u526f\u7814\u7a76\u5458\uff0c\u535a\u58eb\u751f\u5bfc\u5e08\uff0c\u4e3b\u8981\u4ece\u4e8b\u80fd\u6e90\u6750\u6599\u7269\u7406\uff0c\u7406\u8bba\u4e0e\u5b9e\u9a8c\u63a2\u7d22\u80fd\u6e90\u6750\u6599\u8bbe\u8ba1\u4e0e\u5de5\u51b5\u4e0b\u7684\u57fa\u672c\u7269\u7406\u5316\u5b66\u673a\u5236\uff0c\u4e3b\u8981\u5305\u62ec\u5f02\u76f8\u50ac\u5316\u3001\u5149\uff08\u7535\u3001\u538b\u7535\uff09\u50ac\u5316\u3001\u9502\uff08\u94a0\u3001\u9541\uff09\u79bb\u5b50\u7535\u6c60\u7b49\u3002\u81f3\u4eca\u4ee5\u7b2c\u4e00\u6216\u901a\u8baf\u4f5c\u8005\u5728Energ.\u00a0Environ. Sci.\u3001Adv. Mater.\u3001Adv. Funct. Mater.\u3001ACS Nano\u3001ACS Catal.\u3001Nano Energy\u3001J. Phys. Chem. Lett.\u3001Phys. Rev. B\u7b49\u91cd\u8981\u56fd\u9645\u5b66\u672f\u671f\u520a\u53d1\u8868\u8bba\u658750\u591a\u7bc7\uff0c\u88abSCI\u4ed6\u5f154200\u591a\u6b21\uff0cH\u56e0\u5b5039\u3002\u4e3b\u6301\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u9752\u5e74\u3001\u9762\u4e0a\u54041\u9879\uff0c\u91cd\u5e86\u5e02\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u9762\u4e0a\u53ca\u5408\u4f5c\u7814\u7a76\u9879\u76ee5\u9879\u3002\u62c5\u4efb\u5305\u62ecNat. Commun.\u3001J. Mater. Chem. A\u7b49\u82e5\u5e72\u8457\u540dSCI\u671f\u520a\u5ba1\u7a3f\u4eba\uff0c\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u901a\u8baf\u8bc4\u5ba1\u4e13\u5bb6\uff0c\u6559\u80b2\u90e8\u5b66\u4f4d\u4e2d\u5fc3\u901a\u8baf\u8bc4\u5ba1\u4e13\u5bb6\uff0cSCI\u671f\u520aRare Metals\u9752\u5e74\u7f16\u59d4\uff0cFrontiers\u7f16\u59d4\u3002<\/p>\n<p><strong>\u97e9\u5e7f<\/strong>\uff0c\u91cd\u5e86\u5927\u5b66\u6750\u6599\u5b66\u9662\u6559\u6388\u3001\u535a\u58eb\u751f\u5bfc\u5e08\uff1b\u6fb3\u5927\u5229\u4e9a\u6606\u58eb\u5170\u5927\u5b66\u6750\u6599\u4e13\u4e1a\u535a\u58eb\uff0c\u66fe\u5728\u82f1\u56fd\u683c\u62c9\u65af\u54e5\u5927\u5b66\u5f00\u5c55\u535a\u58eb\u540e\u7814\u7a76\u3002\u4e3b\u8981\u4ece\u4e8b\u591a\u529f\u80fd\u7eb3\u7c73\u6750\u6599\u53ef\u63a7\u5408\u6210\u3001\u7eb3\u7c73\u7ed3\u6784\u70ed\u7535\u6750\u6599\u3001\u67d4\u6027\u70ed\u7535\u6750\u6599\u4e0e\u5668\u4ef6\u7814\u7a76\u3002\u8fc4\u4eca\u53d1\u8868SCI\u8bba\u6587110\u4f59\u7bc7\uff0c\u5176\u4e2d\u7b2c\u4e00\/\u901a\u8baf\u4f5c\u8005\u8bba\u6587\u53d1\u8868\u5728Adv. Mater.\u3001Energ.\u00a0Environ. Sci.\u3001Adv. Energy Mater.\u3001Angew. Chem. Int. Ed.\u3001Acta Mater.\u7b49\u671f\u520a\uff1b\u4f5c\u4e3a\u7b2c\u4e00\u53d1\u660e\u4eba\uff0c\u6388\u6743\u56fd\u5bb6\u53d1\u660e\u4e13\u52295\u4ef6\uff1b\u4f5c\u4e3a\u4e3b\u8981\u5b8c\u6210\u4eba\uff0c\u83b72020\u5e74\u91cd\u5e86\u5e02\u81ea\u7136\u79d1\u5b66\u5956\u4e00\u7b49\u5956\uff1b\u5165\u9009\u91cd\u5e86\u82f1\u624d\u2022\u9752\u5e74\u62d4\u5c16\u4eba\u624d\u9879\u76ee\u3002<\/p>\n<p><strong>\u5468\u5c0f\u5143<\/strong>\uff0c\u91cd\u5e86\u5927\u5b66\u6559\u6388\uff0c\u535a\u58eb\u751f\u5bfc\u5e08\uff0c\u91cd\u5e86\u5927\u5b66\u5206\u6790\u6d4b\u8bd5\u4e2d\u5fc3\u4e3b\u4efb\uff0c\u91cd\u5e86\u5927\u5b66\u91cf\u5b50\u6750\u6599\u4e0e\u5668\u4ef6\u4e2d\u5fc3\u526f\u4e3b\u4efb\uff0c\u56fd\u5bb6\u6770\u51fa\u9752\u5e74\u57fa\u91d1\u9879\u76ee\u83b7\u5f97\u8005\uff0c\u56fd\u5bb6\u91cd\u70b9\u7814\u53d1\u8ba1\u5212\u9879\u76ee\u8d1f\u8d23\u4eba(\u9996\u5e2d\u79d1\u5b66\u5bb6)\uff0c\u4e3b\u6301\u591a\u4e2a\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u7b49\u9879\u76ee\u3002\u83b7\u91cd\u5e86\u5e02\u79d1\u5b66\u6280\u672f\u5956\u81ea\u7136\u79d1\u5b66\u5956\u4e00\u7b49\u5956\u3001\u4e2d\u56fd\u5206\u6790\u6d4b\u8bd5\u534f\u4f1a\u79d1\u5b66\u6280\u672f\u4e00\u7b49\u5956\u3001\u56fd\u9645\u70ed\u7535\u5b66\u4f1a\u9752\u5e74\u79d1\u5b66\u5bb6\u5956\u7b4914\u9879\u3002\u8fd1\u4e94\u5e74\u6765\u7b2c\u4e00\/\u901a\u8baf\u4f5c\u8005\u53d1\u8868SCI\u8bba\u6587100\u4f59\u7bc7\uff0c\u5305\u62ecNat. Commun.\u3001Energ. Environ. Sci.\u3001Adv. Mater.\u3001Mater. Today\u3001Adv. Energy Mater.\u3001Adv. Funct. Mater.\u7b49\u5b66\u672f\u671f\u520a\uff0c\u5728\u56fd\u9645\u70ed\u7535\u5e74\u4f1a\uff08ICT\uff09\u3001\u7f8e\u56fd\u6750\u6599\u5927\u4f1a\uff08MRS\uff09\u3001\u6b27\u6d32\u6750\u6599\u5927\u4f1a\uff08EMRS\uff09\u3001\u4e2d\u56fd\u6750\u6599\u5927\u4f1a\u53ca\u4e2d\u56fd\u7269\u7406\u5e74\u4f1a\u7b49\u5b66\u672f\u4f1a\u8bae\u4e0a\u505a\u7279\u9080\u62a5\u544a50\u4f59\u6b21\u3002\u62c5\u4efb\u4e2d\u56fd\u6750\u6599\u5b66\u4f1a\u3001\u7845\u9178\u76d0\u5b66\u4f1a\u7b49\u591a\u4e2a\u5b66\u672f\u7ec4\u7ec7\u5206\u4f1a\u7406\u4e8b\/\u59d4\u5458\u3002\u517c\u804cRare Metals\u53caJ. Anal. Test.\u671f\u520a\u7f16\u59d4, Sci. China Mater.\u9752\u5e74\u7f16\u59d4\uff0cChin. Phys. B\u5ba2\u5ea7\u7f16\u59d4\u3002Nat. Commun.\u3001Energ.\u00a0Environ. Sci.\u3001Adv. Mater.\u3001Adv. Energy Mater.\u3001Adv. Funct. Mater.\u7b49SCI \u56fd\u9645\u671f\u520a\u5ba1\u7a3f\u4eba\u3002\u7ec4\u7ec7\u4e2d\u56fd\uff08\u56fd\u9645\uff09\u529f\u80fd\u6750\u6599\u79d1\u6280\u4e0e\u4ea7\u4e1a\u9ad8\u5c42\u8bba\u575b\u5206\u4f1a\u3001\u4e2d\u56fd\u6750\u6599\u5927\u4f1a\u70ed\u7535\u5206\u4f1a\u3001\u91cf\u5b50\u6750\u6599\u4e0e\u5668\u4ef6\u8bba\u575b\u7b49\u4f1a\u8bae10\u4f59\u6b21\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b2c\u4e00\u4f5c\u8005\uff1a\u73ed\u671d\u521a \u901a\u8baf\u4f5c\u8005\uff1a\u7518\u7acb\u52c7\u526f\u7814\u7a76\u5458\u3001\u97e9\u5e7f\u6559\u6388\u3001\u5468\u5c0f\u5143\u6559\u6388 \u901a\u8baf\u5355\u4f4d\uff1a\u91cd\u5e86\u5927\u5b66 \u8bba\u6587DOI\uff1a10.1039\/D3EE02800C \u5168\u6587\u901f\u89c8 \u5229\u7528CO2\u548cH&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-256800","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/256800"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=256800"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/256800\/revisions"}],"predecessor-version":[{"id":256810,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/256800\/revisions\/256810"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=256800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=256800"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=256800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}