{"id":237619,"date":"2022-05-25T07:28:28","date_gmt":"2022-05-24T23:28:28","guid":{"rendered":"\/\/m.iemloyee.com\/?p=237619"},"modified":"2022-05-24T15:28:40","modified_gmt":"2022-05-24T07:28:40","slug":"%e5%a4%a7%e8%bf%9e%e5%8c%96%e7%89%a9%e6%89%80nat-commun-%ef%bc%9a%e5%8d%95%e5%8e%9f%e5%ad%90pd%e5%82%ac%e5%8c%96%e5%89%82%e5%85%89%e7%83%ad%e5%8d%8f%e5%90%8c%e9%ab%98%e6%95%88%e5%82%ac%e5%8c%96","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=237619","title":{"rendered":"\u5927\u8fde\u5316\u7269\u6240Nat. Commun.\uff1a\u5355\u539f\u5b50Pd\u50ac\u5316\u5242\u5149\u70ed\u534f\u540c\u9ad8\u6548\u50ac\u5316\u4e59\u7094\u534a\u52a0\u6c22"},"content":{"rendered":"

\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u4e59\u7094\u534a\u52a0\u6c22\u53cd\u5e94\u5728\u5de5\u4e1a\u4e2d\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u5de5\u4e1a\u4e0a\u8be5\u53cd\u5e94\u662f\u5927\u91cf\u4e59\u70ef\u539f\u6599\u6c14\u4e2d\u9664\u53bb\u4e59\u7094\u6742\u8d28\uff08\u964d\u4f4e\u5230ppm\u7ea7\uff09\u4ee5\u6ee1\u8db3\u4e59\u70ef\u4e0b\u6e38\u5e94\u7528\u7684\u5173\u952e\u73af\u8282\u3002Pd\u5355\u539f\u5b50\u50ac\u5316\u5242\u56e0\u5176\u539f\u5b50\u5229\u7528\u7387\u6700\u5927\u5316\uff0c\u6d3b\u6027\u4f4d\u70b9\u5b64\u7acb\u3001\u5747\u4e00\u7b49\u4f18\u52bf\uff0c\u5e38\u7528\u4e8e\u4e59\u7094\u534a\u52a0\u6c22\u53cd\u5e94\u4e2d\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5355\u539f\u5b50\u6d3b\u6027\u4e2d\u5fc3\u88c2\u89e3H2<\/sub>\u80fd\u529b\u8f83\u5dee\uff0c\u901a\u5e38\u50ac\u5316\u6d3b\u6027\u4e0d\u592a\u7406\u60f3\u3002\u6b64\u5916\uff0c\u5236\u5907\u7a33\u5b9a\u7684Pd\u5355\u539f\u5b50\u50ac\u5316\u5242\uff08SACs\uff09\u5e76\u4f7f\u5176\u5728\u8fd8\u539f\u6c14\u6c1b\u4e2d\u4e0d\u53d1\u751f\u56e2\u805a\u4ecd\u6781\u5177\u6311\u6218\u3002<\/p>\n

\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u5927\u8fde\u5316\u5b66\u7269\u7406\u7814\u7a76\u6240\u4e54\u6ce2\u6d9b\u7814\u7a76\u5458\u4e0e\u674e\u4ec1\u8d35\u7814\u7a76\u5458<\/strong>\u5408\u4f5c\u62a5\u9053\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u8fd8\u539f\u5305\u88f9\u7b56\u7565\uff0c\u5229\u7528\u5355\u539f\u5b50\u4e0e\u7eb3\u7c73\u7c92\u5b50\u91d1\u5c5e-\u8f7d\u4f53\u5f3a\u76f8\u4e92\u4f5c\u7528\uff08SMSI\uff09\u53d1\u751f\u6761\u4ef6\u4e0d\u540c\uff0c\u9009\u62e9\u6027\u5730\u5305\u8986\u7eb3\u7c73\u7c92\u5b50\u800c\u540c\u65f6\u66b4\u9732\u5355\u539f\u5b50\uff0c\u6210\u529f\u6784\u7b51\u4e86Pd1<\/sub>\/TiO2<\/sub> SACs\uff0c\u8be5\u50ac\u5316\u5242\u53ef\u663e\u8457\u63d0\u5347\u4e59\u7094\u534a\u52a0\u6c22\u53cd\u5e94\u9009\u62e9\u6027\uff1b\u6b64\u5916\uff0c\u5229\u7528TiO2<\/sub>\u8f7d\u4f53\u4f18\u5f02\u7684\u5149\u50ac\u5316\u6027\u8d28\uff0c\u53ef\u5927\u5e45\u63d0\u9ad8Pd1<\/sub>\/TiO2<\/sub> SACs\u53cd\u5e94\u6d3b\u6027\uff0c\u5b9e\u73b0\u4f4e\u81f370\u2103\u7684\u4e59\u7094\u52a0\u6c22\u9ad8\u6548\u8f6c\u5316\u3002DFT\u8ba1\u7b97\u8868\u660e\uff0c\u5149\u751f\u7535\u5b50\u4eceTiO2<\/sub>\u8f6c\u79fb\u5230\u76f8\u90bbPd\u539f\u5b50\u4e0a\u4fc3\u8fdb\u4e86\u4e59\u7094\u7684\u6d3b\u5316\u3002\u8fd9\u9879\u5de5\u4f5c\u5bf9\u5f00\u53d1\u9ad8\u6548\u3001\u7a33\u5b9a\u7684Pd SACs\u7528\u4e8e\u4e59\u7094\u534a\u52a0\u6c22\u53cd\u5e94\u5177\u6709\u6307\u5bfc\u6027\u610f\u4e49\u3002\u8be5\u8bba\u6587\u4ee5\u201cPhoto-thermo semi-hydrogenation of acetylene on Pd1<\/sub>\/TiO2<\/sub> single-atom catalyst\u201d<\/strong>\u4e3a\u9898\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aNature Communications<\/em><\/strong>\u4e0a\uff0c\u535a\u58eb\u7814\u7a76\u751f\u90ed\u4e9a\u7433\u4e0e\u9ec4\u4e00\u73c2\u4e3a\u5e76\u5217\u7b2c\u4e00\u4f5c\u8005\u3002<\/p>\n

\"\"<\/p>\n

\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n

1\u3001\u901a\u8fc7\u63a7\u5236SMSI\u53d1\u751f\u6761\u4ef6\uff0c\u9009\u62e9\u6027\u5730\u5305\u88f9\u50ac\u5316\u5242\u4e2d\u7eb3\u7c73\u7c92\u5b50\u800c\u53ea\u66b4\u9732\u5355\u539f\u5b50\uff0c\u6210\u529f\u6784\u7b51\u4e86Pd1<\/sub>\/TiO2<\/sub> SACs\uff0c\u4f7f\u4ea7\u7269\u4e59\u70ef\u4ee5\u8f83\u5f31\u7684\u03c0\u952e\u5438\u9644\u5728\u5355\u539f\u5b50\u6d3b\u6027\u4e2d\u5fc3\u4e0a\uff0c\u663e\u8457\u63d0\u9ad8\u4e86\u4e59\u7094\u534a\u52a0\u6c22\u53cd\u5e94\u9009\u62e9\u6027\u3002<\/p>\n

2\u3001\u5728\u5149\u70ed\u50ac\u5316\u6761\u4ef6\u4e0b\uff0cPd\/TiO2<\/sub> SACs\u53ef\u5728\u4f4e\u81f370\u2103\u7684\u6e29\u5ea6\u4e0b\u5b9e\u73b0\u4e59\u7094\u9ad8\u6548\u52a0\u6c22\u8f6c\u5316\u3002DFT\u8ba1\u7b97\u8868\u660e\uff0c\u5149\u751f\u7535\u5b50\u4eceTiO2<\/sub>\u8f6c\u79fb\u5230\u76f8\u90bbPd\u539f\u5b50\u4e0a\uff0c\u4fc3\u8fdb\u4e86\u4e59\u7094\u6d3b\u5316\u3002<\/p>\n

\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n

\u56fe\u4e00\u3001<\/strong>Pd\/TiO2<\/sub><\/strong>\u7cfb\u5217\u50ac\u5316\u5242\u7684\u7ed3\u6784\u8868\u5f81<\/strong> \u00a9 2022 Springer Nature<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a-d\uff09Pd\/TiO2<\/sub>\u3001Pd\/TiO2<\/sub>-200H\u3001Pd\/TiO2<\/sub>-600H\u548cPd\/TiO2<\/sub>-600H-O300\u7684AC-HAADF-STEM\u56fe\u50cf\u3002<\/p>\n

\uff08e-f\uff09\u5728CO\u9971\u548c\u5438\u9644\u548cHe\u51c0\u53162.5 min\u540e\uff0cPd\/TiO2<\/sub>-200H\u3001Pd\/TiO2<\/sub>-600H\u548cPd\/TiO2<\/sub>-600H-O300\u4e0aCO\u5438\u9644\u7684DRIFT\u8c31\u56fe\u3002<\/p>\n

\uff08g\uff09\u4e0d\u540cPd\/TiO2<\/sub>\u50ac\u5316\u5242\u5728Pd K\u8fb9\u5438\u6536\u7684XANES\u5149\u8c31\u3002<\/p>\n

\u56fe\u4e8c\u3001<\/strong>Pd\/TiO2<\/sub><\/strong>\u7cfb\u5217\u50ac\u5316\u5242\u7684\u7ed3\u6784\u8868\u5f81<\/strong> \u00a9 2022 Springer Nature<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09Pd\/TiO2<\/sub>-600H\u7684\u660e\u573aSTEM\u548cHAADF-STEM\u56fe\u50cf\u3002<\/p>\n

\uff08b\uff09Pd\/TiO2<\/sub>-600H\u7684\u7535\u5b50\u80fd\u91cf\u635f\u5931\u8c31\u56fe\uff08EELS\uff09\u3002<\/p>\n

\uff08c\uff09Pd\/TiO2<\/sub>-600H-O300\u7684\u660e\u573aSTEM\u548cHAADF-STEM\u56fe\u50cf\u3002<\/p>\n

\uff08d\uff09Pd\/TiO2<\/sub>-600H-O300\u7684\u7535\u5b50\u80fd\u91cf\u635f\u5931\u8c31\u56fe\uff08EELS\uff09\u3002<\/p>\n

\u56fe\u4e09\u3001<\/strong>Pd\/TiO2<\/sub><\/strong>\u7cfb\u5217\u50ac\u5316\u5242\u7684\u50ac\u5316\u6027\u80fd\u8868\u5f81<\/strong> \u00a9 2022 Springer Nature<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a-b\uff09\u5728Pd\/TiO2<\/sub>-200H\u548cPd\/TiO2<\/sub>-600H\u4e0a\uff0c\u4e59\u7094\u8f6c\u5316\u7387\u548c\u4e59\u70ef\u9009\u62e9\u6027\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\u3002<\/p>\n

\uff08c\uff09120\u2103\u4e0bPd\/TiO2<\/sub>-600H 40\u5c0f\u65f6\u7684\u8010\u4e45\u6027\u5b9e\u9a8c\u3002<\/p>\n

\u56fe\u56db\u3001<\/strong>Pd\/TiO<\/strong>2<\/sub><\/strong>-600H<\/strong>\u548c<\/strong>Pd\/Al<\/strong>2<\/sub><\/strong>O<\/strong>3<\/sub><\/strong>\u7684\u5149\u70ed\u50ac\u5316\u6027\u80fd\u53ca<\/strong>XPS<\/strong>\u8868\u5f81<\/strong> \u00a9 2022 Springer Nature<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a-c\uff0970\u2103\u6697\u573a\u548c60\u2103\u5149\u7167\u4e0b\uff08167\u2009mW\u2009cm-2<\/sup>\u5168\u6ce2\u957f\u3001141\u2009mW\u2009cm-2<\/sup>\u53ef\u89c1\u5149\u4ee5\u53ca127\u2009mW\u2009cm-2<\/sup>\u5149\uff08\u03bb\u2009>\u2009480\u2009nm\uff09\uff09\uff0c0.15\u2009wt% Pd\/TiO2<\/sub>-600H\u7684\u4e59\u7094\u8f6c\u5316\u7387\u3002<\/p>\n

\uff08d\uff0970\u2103\u6697\u573a\u548c60\u2103\u5149\u7167\u4e0b\uff08167\u2009mW\u2009cm-2<\/sup>\u5168\u6ce2\u957f\uff09\uff0c0.036\u2009wt% Pd\/Al2<\/sub>O3<\/sub>\u7684\u4e59\u7094\u8f6c\u5316\u7387\u3002<\/p>\n

\uff08e\uff09\u6709\u65e0\u5149\u7167\u6761\u4ef6\u4e0bPd\/TiO2<\/sub>-600H\u50ac\u5316\u4e59\u7094\u6c22\u5316\u7684Arrhenius\u56fe\u3002<\/p>\n

\uff08f\uff09\u6c19\u706f\u5149\u7167\u548c\u6697\u573a\u6761\u4ef6\u4e0bPd\/TiO2<\/sub>-200H\u7684Pd 3d XPS\u8c31\u56fe\u3002<\/p>\n

\u56fe\u4e94\u3001\u50ac\u5316\u5242\u4e0a\u4e5d\u79cd\u5438\u9644\u7ed3\u6784\u7684<\/strong>PDOS \u00a9 2022 Springer Nature<\/strong><\/p>\n

\"\"<\/p>\n

\u6295\u5c04\u5230\u4e0d\u540c\u79cd\u7c7b\u539f\u5b50\u4e0a\u7684\u72b6\u6001\u5bc6\u5ea6\u7528\u4e0d\u540c\u7684\u989c\u8272\u8868\u793a\u3002\uff08a\uff09Pd\/TiO2<\/sub>-a101-1\uff1b\uff08b\uff09Pd\/TiO2<\/sub>-a101-2\uff1b\uff08c\uff09Pd\/TiO2-r110\u3002<\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u7814\u7a76\u4eba\u5458\u91c7\u7528\u4e86\u4e00\u79cd\u7b80\u5355\u4f46\u901a\u7528\u7684\u65b9\u6cd5\uff0c\u6839\u636e\u5355\u539f\u5b50\u4e0e\u7eb3\u7c73\u7c92\u5b50SMSI\u53d1\u751f\u6761\u4ef6\u4e0d\u540c\uff0c\u9009\u62e9\u6027\u5305\u88f9\u50ac\u5316\u5242\u4e0a\u5171\u5b58\u7684\u5c11\u91cf\u7eb3\u7c73\u9897\u7c92\uff0c\u6784\u5efa\u4e86Pd1<\/sub>\/TiO2 <\/sub>SACs\uff0c\u663e\u8457\u63d0\u9ad8\u4e86\u4e59\u7094\u534a\u52a0\u6c22\u53cd\u5e94\u4e59\u70ef\u9009\u62e9\u6027\u3002\u6b64\u5916\uff0c\u5229\u7528\u5149\u70ed\u534f\u540c\u6548\u5e94\uff0c\u5927\u5e45\u5ea6\u63d0\u9ad8\u4e86\u4e59\u7094\u52a0\u6c22\u53cd\u5e94\u6d3b\u6027\uff1a\u5728\u5149\u70ed\u50ac\u5316\u6761\u4ef6\u4e0b\uff0c\u53ef\u5728\u4f4e\u81f370\u2103\u7684\u6e29\u5ea6\u4e0b\u5b9e\u73b0\u4e59\u7094\u7684\u9ad8\u6548\u52a0\u6c22\u8f6c\u5316\u3002DFT\u8ba1\u7b97\u8868\u660e\uff0c\u5149\u751f\u7535\u5b50\u4eceTiO2<\/sub>\u8f6c\u79fb\u5230\u76f8\u90bbPd\u539f\u5b50\u4e0a\u4fc3\u8fdb\u4e86\u4e59\u7094\u7684\u6d3b\u5316\uff0c\u4ece\u800c\u6709\u5229\u4e8e\u53cd\u5e94\u8fdb\u884c\u3002\u8be5\u5de5\u4f5c\u4e3a\u5f00\u53d1\u7a33\u5b9a\u3001\u9ad8\u6548\u7684Pd\u5355\u539f\u5b50\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u4e00\u6761\u6709\u6548\u9014\u5f84\uff0c\u4e5f\u8fdb\u4e00\u6b65\u63a8\u8fdb\u4e86\u5149\u70ed\u534f\u540c\u50ac\u5316\u52a0\u6c22\u53cd\u5e94\u7684\u7814\u7a76\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aPhoto-thermo semi-hydrogenation of acetylene on Pd1<\/sub>\/TiO2<\/sub> single-atom catalyst<\/a> (Nat. Commun. <\/em>2022<\/strong>, DOI: 10.1038\/s41467-022-30291-x)<\/p>\n

\u672c\u6587\u7531\u5927\u5175\u54e5\u4f9b\u7a3f\u3002<\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1\uff1amailto:tougao@cailiaoren.com<\/a><\/p>\n

 <\/p>\n

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