{"id":207809,"date":"2020-08-24T06:41:30","date_gmt":"2020-08-23T22:41:30","guid":{"rendered":"\/\/m.iemloyee.com\/?p=207809"},"modified":"2020-08-23T20:41:39","modified_gmt":"2020-08-23T12:41:39","slug":"%e8%b7%9f%e7%9d%80%e9%a1%b6%e5%88%8a%e5%ad%a6%e6%b5%8b%e8%af%95%ef%bd%9cnat-catal-%ef%bc%9a%e5%9f%ba%e4%ba%8estm%e5%ae%9e%e7%8e%b0%e5%8d%95%e5%8e%9f%e5%ad%90%e5%82%ac%e5%8c%96%e8%bf%87%e7%a8%8b","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=207809","title":{"rendered":"\u8ddf\u7740\u9876\u520a\u5b66\u6d4b\u8bd5\uff5cNat. Catal.\uff1a\u57fa\u4e8eSTM\u5b9e\u73b0\u5355\u539f\u5b50\u50ac\u5316\u8fc7\u7a0b\u4e2d\u7684\u6d3b\u6027\u4f4d\u70b9\u53ef\u89c6\u5316"},"content":{"rendered":"<p><strong><b>\u5f15\u8a00<\/b><\/strong><\/p>\n<p>\u5355\u539f\u5b50\u50ac\u5316\u662f\u4e00\u7c7b\u65b0\u5174\u7684\u50ac\u5316\u5242\uff0c\u5176\u4e2d\u8d35\u91d1\u5c5e\u539f\u5b50\u53ef\u4ee5\u4ee5\u6781\u9ad8\u7684\u6548\u7387\u8fdb\u884c\u53c2\u4e0e\u50ac\u5316\u53cd\u5e94\u3002\u968f\u7740\u76f8\u5173\u7684\u7814\u7a76\u8d8a\u6765\u8d8a\u591a\uff0c\u5728\u5355\u539f\u5b50\u50ac\u5316\u80fd\u529b\u65b9\u9762\u7684\u4e89\u8bba\u4e5f\u4e00\u76f4\u662f\u5927\u5bb6\u5173\u6ce8\u7684\u7126\u70b9\u3002\u6709\u4e9b\u7814\u7a76\u663e\u793a\u5355\u539f\u5b50\u662f\u6d3b\u6027\u50ac\u5316\u4e2d\u5fc3\uff0c\u4f46\u662f\u53e6\u5916\u4e00\u4e9b\u7814\u7a76\u5219\u8868\u660e\u5728\u76f8\u4f3c\u7684\u4f53\u7cfb\u4e2d\u7eb3\u7c73\u9897\u7c92\u624d\u662f\u6d3b\u6027\u79cd\u3002\u6b64\u5916\uff0c\u53cd\u5e94\u8fc7\u7a0b\u4e2d\u7684\u5355\u539f\u5b50\u662f\u5426\u4f9d\u7136\u5448\u73b0\u5206\u6563\u5206\u5e03\uff1f\u5b83\u4eec\u5728\u53cd\u5e94\u4e2d\u7684\u7a33\u5b9a\u6027\u5982\u4f55\uff1f\u5b83\u4eec\u7684\u7535\u8377\u6001\u662f\u600e\u6837\u7684\uff1f\u8fd9\u4e9b\u95ee\u9898\u90fd\u662f\u8fdb\u4e00\u6b65\u7406\u89e3\u5355\u539f\u5b50\u50ac\u5316\u673a\u5236\u7684\u5173\u952e\u6240\u5728\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-207810 size-full\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72478-12.png\" alt=\"\" width=\"600\" height=\"214\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72478-12.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72478-12-300x107.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u9488\u5bf9\u8fd9\u4e9b\u95ee\u9898\uff0c<strong><b>\u7f8e\u56fd\u534e\u76db\u987f\u5dde\u7acb\u5927\u5b66\u7684<\/b><\/strong><strong><b>Jean-Sabin McEwen<\/b><\/strong><strong><b>\u548c\u5854\u592b\u8328\u5927\u5b66\u7684<\/b><\/strong><strong><b>E. Charles H. Sykes<\/b><\/strong>\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba\u7ed3\u5408\u8868\u9762\u79d1\u5b66\u548c\u7406\u8bba\u7814\u7a76\uff0c\u8054\u5408\u63d0\u51fa\u4e86\u4e00\u79cd\u53ef\u5728\u4f4e\u6e29\u4e0b\u50ac\u5316\u4e00\u6c27\u5316\u78b3\u6c27\u5316\u7684\u6a21\u578b\u7cfb\u7edf\uff08\u94c2\u5355\u539f\u5b50\u7531\u6c27\u5316\u94dc\u8584\u819c\u652f\u6491\uff09\u3002\u5728\u8fd9\u4e2a\u6a21\u578b\u7cfb\u7edf\u4e2d\uff0c\u7814\u7a76\u5229\u7528\u626b\u63cf\u96a7\u9053\u663e\u5fae\u5b66\uff08Scanning tunnelling microscopy, STM\uff09\u5bf9\u53cd\u5e94\u8fdb\u7a0b\u4e2d\u7684\u6d3b\u6027\u4f4d\u70b9\u8fdb\u884c\u53ef\u89c6\u5316\uff0c\u8be6\u7ec6\u7814\u7a76\u4e86\u4f4e\u6e29\u4e00\u6c27\u5316\u78b3\u6c27\u5316\u7684\u50ac\u5316\u53cd\u5e94\u673a\u5236\u3002\u8be5\u6210\u679c\u4ee5\u201cAn atomic-scale view of single-site Pt catalysis\u00a0for low-temperature CO oxidation\u201d\u4e3a\u9898\uff0c\u5728\u7ebf\u53d1\u8868\u4e8eNature Catalysis\u3002<\/p>\n<p><strong><b>\u94c2\u539f\u5b50\u5728\u6c27\u5316\u94dc\u8584\u819c\u4e0a\u7684\u5206\u5e03\u8868\u5f81<\/b><\/strong><\/p>\n<p>\u5728\u53cd\u5e94\u524d\uff0c\u7814\u7a76\u4eba\u5458\u5229\u7528STM\u5bf9\u5355\u539f\u5b50\u60c5\u51b5\u8fdb\u884c\u4e86\u8868\u5f81\u3002\u53cd\u5c04\u5438\u6536\u7ea2\u5916\u8c31\u5b66\uff08\u56fe1a\uff09\u663e\u793a\u4e86265K\u65f6\uff0c\u4e0d\u540c\u94c2\u8986\u76d6\u60c5\u51b5\u4e0b\u7684\u78b3\u6c27\u952e\u62c9\u4f38\u632f\u52a8\u5e26\u3002\u5728\u8fd9\u4e00\u6e29\u5ea6\u4e0b\uff0c\u4e00\u6c27\u5316\u78b3\u53ef\u4ee5\u4ece\u6c27\u5316\u7269\u652f\u6491\u7269\u4e0a\u5b8c\u5168\u89e3\u5438\u9644\uff0c\u800c\u6240\u6709\u4fe1\u53f7\u5219\u4f1a\u6765\u81ea\u94c2\u4f4d\u70b9\u4e0a\u7684\u4e00\u6c27\u5316\u78b3\u3002\u5728\u94c2\u8986\u76d6\u7387\u9ad8\u8fbe40%\u65f6\uff0c\u78b3\u6c27\u952e\u57282065cm<sup>-1<\/sup>\u5177\u6709\u8f83\u5bbd\u7684\u62c9\u4f38\u632f\u52a8\u5e26\uff0c\u8868\u660e\u94c2\u7eb3\u7c73\u9897\u7c92\u7684\u5b58\u5728\u3002\u800c\u968f\u7740\u94c2\u8986\u76d6\u7387\u4e0b\u964d\u523010%\uff0c\u4e00\u6c27\u5316\u78b3\u5206\u5b50\u4e0e\u94c2\u7eb3\u7c73\u9897\u7c92\u4e0a\u7684\u7ed3\u5408\u4f4d\u70b9\u5f02\u8d28\u6027\u4e4b\u95f4\u7684dipole-dipole\u8026\u5408\u51cf\u5c11\uff0c\u7ea2\u5916\u5438\u6536\u5cf0\u5411\u4f4e\u6ce2\u6570\u65b9\u5411\u79fb\u52a8\u3002\u800c\u5f53\u94c2\u8986\u76d6\u7387\u4e0b\u964d\u52304%\u65f6\uff0c2045 cm<sup>-1<\/sup>\u548c2028 cm<sup>-1<\/sup>\u5904\u7684\u5cf0\u5206\u522b\u4ee3\u8868\u4e86\u94c2\u7eb3\u7c73\u9897\u7c92\u548c\u94c2\u5355\u539f\u5b50\u3002\u5f53\u800c\u5f53\u94c2\u8986\u76d6\u7387\u4f4e\u81f32%\u65f6\uff0c\u53ea\u6709\u57282028 cm<sup>-1<\/sup>\u5904\u51fa\u73b0\u72ed\u957f\u7684\u534a\u5cf0\u5168\u5bbd\uff0810 cm<sup>-1<\/sup>\uff09\uff0c\u8868\u660e\u8fd9\u65f6\u53ea\u6709\u94c2\u539f\u5b50\u5728\u5747\u4e00\u7684\u8868\u9762\u4f4d\u70b9\u751f\u6210\u3002\u901a\u8fc7\u9ad8\u5206\u8fa8STM\u56fe\u50cf\u53ef\u4ee5\u8fdb\u4e00\u6b65\u8bc1\u5b9e\u4f4e\u8986\u76d6\u7387\u4e0b\u6c27\u5316\u94dc\u8868\u9762\u7684\u94c2\u662f\u4ee5\u5355\u539f\u5b50\u5f62\u5f0f\u9ad8\u5ea6\u5206\u6563\u5206\u5e03\u7684\u3002\u901a\u8fc7\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u6a21\u62df\u7684STM\u56fe\u50cf\uff08\u56fe1c\uff09\u5448\u73b0\u4e86\u4e00\u6c27\u5316\u78b3-\u94c2\u5355\u5143\u5728\u6c27\u5316\u94dc\u8868\u9762\u7684\u4f4d\u7f6e\uff0c\u5176\u4e2d\u4e00\u6c27\u5316\u78b3-\u94c2\u5355\u5143\u5448\u73b0\u5bf9\u79f0\u548c\u539f\u5b50\u7ea7\u7ed3\u6784\uff0c\u8868\u660e\u6bcf\u4e2a\u94c2\u5355\u539f\u5b50\u53ea\u4e0e\u4e00\u4e2a\u4e00\u6c27\u5316\u78b3\u7ed3\u5408\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-207811 size-full\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72479-10.png\" alt=\"\" width=\"322\" height=\"412\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72479-10.png 322w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72479-10-234x300.png 234w\" sizes=\"(max-width: 322px) 100vw, 322px\" \/><\/p>\n<p style=\"text-align: center;\"><strong><b>\u56fe1<\/b><\/strong>\u00a0\u94c2\u5355\u539f\u5b50\u53ca\u5176\u7eb3\u7c73\u9897\u7c92\u4e0a\u78b3\u6c27\u952e\u62c9\u4f38\u9891\u7387\u8868\u5f81<\/p>\n<p><strong><b>\u53cd\u5e94\u524d\u540e\u6d3b\u6027\u4f4d\u70b9\u7684\u539f\u5b50\u7ea7\u6210\u50cf<\/b><\/strong><\/p>\n<p>\u5229\u7528STM\u6210\u529f\u5730\u8868\u5f81\u5355\u539f\u5b50\u5206\u5e03\u540e\uff0c\u7814\u7a76\u4eba\u5458\u8bbe\u60f3\u5728\u53cd\u5e94\u8fc7\u7a0b\u53ef\u5426\u5bf9\u94c2\u4f4d\u70b9\u9644\u8fd1\u8868\u9762\u7684\u539f\u5b50\u7ea7\u7ed3\u6784\u8fdb\u884c\u53ef\u89c6\u5316\u3002\u5982\u56fe2a\u6240\u793a\uff0c\u5f53\u94c2\u8986\u76d6\u7387\u4e3a0.5%\u65f6\uff0c\u6837\u54c1\u5438\u9644\u4e00\u6c27\u5316\u78b3\u76f4\u81f3\u9971\u548c\uff0c\u5e76\u4e14\u9000\u706b\uff08annealing\uff09\u7145\u70e7\u81f3160K\u4f7f\u4e00\u6c27\u5316\u78b3\u89e3\u5438\u9644\u3002\u5982\u6b64\u4e00\u6765\uff0c\u7531\u4e8e\uff0c\u6c27\u5316\u94dc\u8868\u9762\u5728\u8fd9\u6837\u7684\u6e29\u5ea6\u4e0b\u4e0d\u4f1a\u5438\u9644\u4e00\u6c27\u5316\u78b3\uff0c\u90a3\u4e48\u6837\u54c1\u8868\u9762\u7684\u4e00\u6c27\u5316\u78b3\u90fd\u662f\u7531\u94c2\u5355\u539f\u5b50\u8fdb\u884c\u5438\u9644\u3002\u800c\u5728\u56fe2b\u4e2d\uff0c\u9000\u5316\u6e29\u5ea6\u8fbe\u5230250K\uff0cSTM\u5219\u663e\u793a\u5728\u8fd9\u4e00\u6761\u4ef6\u4e0b\uff0c\u5927\u591a\u6570\u4e00\u6c27\u5316\u78b3-\u94c2\u5355\u5143\uff0883%\u5de6\u53f3\uff09\u4f4d\u4e8e\u5355\u4e00\u7684\u9996\u9009\u7ed3\u5408\u4f4d\u70b9\uff08single preferred binding 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atomic-scale view of single-site Pt catalysis\u00a0for low-temperature CO oxidation<\/p>\n<p><strong><b>\u6587\u732e\u94fe\u63a5\uff1a<\/b><\/strong>https:\/\/www.nature.com\/articles\/s41929-018-0028-2<\/p>\n<p>\u672c\u6587\u7531nanoCJ\u4f9b\u7a3f\u3002<\/p>\n<p>\u672c\u5185\u5bb9\u4e3a\u4f5c\u8005\u72ec\u7acb\u89c2\u70b9\uff0c\u4e0d\u4ee3\u8868\u6750\u6599\u4eba\u7f51\u7acb\u573a\u3002<\/p>\n<p>\u672a\u7ecf\u5141\u8bb8\u4e0d\u5f97\u8f6c\u8f7d\uff0c\u6388\u6743\u4e8b\u5b9c\u8bf7\u8054\u7cfbkefu@cailiaoren.com\u3002<\/p>\n<p>\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: tougao@cailiaoren.com.<\/p>\n<p>\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaorenVIP\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 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