{"id":117274,"date":"2017-12-15T07:53:25","date_gmt":"2017-12-14T23:53:25","guid":{"rendered":"\/\/m.iemloyee.com\/?p=117274"},"modified":"2017-12-16T10:44:33","modified_gmt":"2017-12-16T02:44:33","slug":"%e4%bb%8a%e6%97%a5science%ef%bc%9a%e5%ae%a4%e6%b8%a9%e6%95%88%e5%ba%94%e7%9a%84%e6%98%a5%e5%a4%a9%ef%bc%81%e7%bb%88%e4%ba%8e%e8%83%bd%e4%bd%8e%e6%b8%a9%e6%b4%bb%e5%8c%96%e4%b8%80%e6%b0%a7%e5%8c%96","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=117274","title":{"rendered":"\u4eca\u65e5Science\uff1a\u6e29\u5ba4\u6548\u5e94\u7684\u6625\u5929\uff01\u7ec8\u4e8e\u80fd\u4f4e\u6e29\u6d3b\u5316\u4e00\u6c27\u5316\u78b3\u4e86"},"content":{"rendered":"<p><strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n<p>\u5728\u8fc7\u53bb\u51e0\u5341\u5e74\u5185\u71c3\u673a\u4e00\u76f4\u5728\u4e0d\u65ad\u8fdb\u6b65\u4ee5\u8fbe\u5230\u66f4\u9ad8\u7684\u71c3\u6cb9\u6548\u7387\u6807\u51c6\u548c\u964d\u4f4e\u6e29\u5ba4\u6c14\u4f53\u6392\u653e\uff0c\u4f46\u5176\u662f\u5426\u80fd\u5546\u4e1a\u5316\u53d6\u51b3\u4e8e\u63a7\u5236\u6807\u51c6\u6c61\u67d3\u7269\uff08\u4e00\u6c27\u5316\u78b3\uff0c\u6c2e\u6c27\u5316\u7269\uff0c\u78b3\u6c22\u5316\u5408\u7269\u548c\u9897\u7c92\u7269\uff09\u7684\u6392\u653e\u91cf\u3002\u5148\u8fdb\u53d1\u52a8\u673a\u7684\u6392\u6c14\u6e29\u5ea6\u8f83\u4f4e\uff0c\u9700\u8981\u50ac\u5316\u5242\u5728\u4f4e\u4e8e150\u00b0C\u7684\u6e29\u5ea6\u4e0b\u5c31\u80fd\u6709\u6548\u6d3b\u5316\uff0c\u4e3a\u4e86\u63d0\u9ad8\u71c3\u6cb9\u6548\u7387\uff0c\u7814\u7a76\u4eba\u5458\u6b63\u5168\u529b\u6295\u5165\u5185\u71c3\u673a\u7684\u8bbe\u8ba1\u4e2d\uff0c\u4ee5\u5c3d\u91cf\u51cf\u5c11\u5e9f\u6c14\u4e2d\u6d6a\u8d39\u7684\u70ed\u91cf\uff0c\u6539\u5584\u65e5\u76ca\u589e\u52a0\u7684\u6e29\u5ba4\u6548\u5e94\u3002\u5355\u539f\u5b50\u975e\u5747\u76f8\u50ac\u5316\u5242\u5df2\u7ecf\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u4f4e\u6e29\u53cd\u5e94\u6027\uff0c\u4f46\u662f\u4e0d\u80fd\u6ee1\u8db3\u5728\u9ad8\u8d1f\u8377\u4e0b\u6240\u9700\u7684\u9ad8\u6e29\u70ed\u6216\u6c34\u70ed\u8010\u4e45\u6027\u3002\u56e0\u6b64\u5b9e\u73b0\u4f4e\u6e29\u6d3b\u6027\uff0c\u540c\u65f6\u5728\u9ad8\u8d1f\u8377\u4e0b\u9047\u5230\u7684\u82db\u523b\u6761\u4ef6\u4ecd\u7136\u6ee1\u8db3\u4f4e\u6e29\u6761\u4ef6\u4ecd\u7136\u662f\u4e00\u4e2a\u8270\u5de8\u7684\u6311\u6218\u3002<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u5317\u4eac2017\u5e7412\u670815\u65e5\uff0c<strong>Science<\/strong>\u5728\u7ebf\u53d1\u8868\u4e86<strong>\u534e\u76db\u987f\u5dde\u7acb\u5927\u5b66\u738b\u52c7\u6559\u6388\u3001\u7f8e\u56fd\u65b0\u58a8\u897f\u54e5\u5927\u5b66Abhaya K. Datye\uff08\u5171\u540c\u901a\u8baf\uff09<\/strong>\u56e2\u961f\u9898\u4e3a\u201c<strong>Activation of surface lattice oxygen in single-atom Pt\/CeO<sub>2<\/sub>\u00a0for low-temperature CO oxidation<\/strong>\u201d\u7684\u6587\u7ae0\uff0c\u8be5\u7814\u7a76\u8bc1\u660e\u4e86\u5df2\u7ecf\u70ed\u7a33\u5b9a\u7684\u4e8c\u6c27\u5316\u94c8\uff08CeO<sub>2<\/sub>\uff09\u4e0a\u539f\u5b50\u5206\u6563\u7684\u79bb\u5b50\u94c2\uff08Pt<sup>2+<\/sup>\uff09\u5982\u4f55\u53ef\u4ee5\u901a\u8fc7\u84b8\u6c7d\u5904\u7406\uff08\u5728750\u2103\uff09\u8fdb\u884c\u6d3b\u5316\uff0c\u4ee5\u5b9e\u73b0\u4f4e\u6e29\u4e00\u6c27\u5316\u78b3\uff08CO\uff09\u6c27\u5316\u6d3b\u6027\u7684\u76ee\u6807\uff0c\u540c\u65f6\u63d0\u4f9b\u4f18\u5f02\u7684\u6c34\u70ed\u7a33\u5b9a\u6027\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u5728Pt<sup>2+<\/sup>\u9644\u8fd1\u7684CeO<sub>2<\/sub>\u4e0a\u5f62\u6210\u65b0\u578b\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u6539\u5584\u4e86\u53cd\u5e94\u6761\u4ef6\u3002\u5728\u6c27\u5316\u73af\u5883\u4e2d\uff0c\u8fd9\u4e9b\u6d3b\u6027\u4f4d\u70b9\u5728800\u00b0C\u4ee5\u4e0b\u7a33\u5b9a\u3002\u84b8\u6c7d\u5904\u7406\u540e\uff0cPt<sup>2+<\/sup>\u50ac\u5316\u5242\u53ef\u4ee5\u5728150\u2103\u4e0b\u53d8\u5f97\u5bf9CO\u6c27\u5316\u6709\u6d3b\u6027\u3002\u5728\u6a21\u62df\u6c7d\u8f66\u5c3e\u6c14\u7684\u7814\u7a76\u4e2d\uff0c\u8fd9\u79cd\u50ac\u5316\u5242\u5904\u7406\u8fd8\u6539\u5584\u4e86\u5176\u5bf9\u8bf8\u5982\u78b3\u6c22\u5316\u5408\u7269\u7b49\u5176\u5b83\u5c3e\u6c14\u6210\u5206\u7684\u6c27\u5316\u6d3b\u6027\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u56fe1 Pt\/CeO<sub>2<\/sub>\u50ac\u5316\u5242\u7684\u8868\u5f81\u4e0e\u6027\u80fd<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-117275\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72471-14.png\" alt=\"\" width=\"600\" height=\"507\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72471-14.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72471-14-300x254.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><strong>\u56fe2 Pt\u5355\u539f\u5b50\uff08Pt<sup>2+<\/sup>\uff09\u548c\u6d3b\u6027\u8868\u9762\u6676\u683c\u6c27\u7684\u8bc6\u522b<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-117276\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72472-11.png\" alt=\"\" width=\"600\" height=\"464\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72472-11.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72472-11-300x232.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><strong>\u56fe3 \u539f\u5b50\u5206\u6563\u7684Pt\/CeO<sub>2<\/sub>\u50ac\u5316\u5242\u4e0a\u7684\u84b8\u6c7d\u5904\u7406\u6548\u679c<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-117277\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72473-12.png\" alt=\"\" width=\"600\" height=\"374\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72473-12.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72473-12-300x187.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe4 CeO2\uff08111\uff09\u8868\u9762CO\u6c27\u5316\u7684\u53cd\u5e94\u673a\u7406<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-117278\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72474-10.png\" alt=\"\" width=\"600\" height=\"520\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72474-10.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2017\/12\/\u56fe\u72474-10-300x260.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u6587\u732e\u94fe\u63a5\uff1a<a href=\"http:\/\/science.sciencemag.org\/content\/358\/6369\/1419\" target=\"_blank\" rel=\"noopener\">Activation of surface lattice oxygen in single-atom Pt\/CeO<sub>2<\/sub> for low-temperature CO oxidation<\/a>\uff08Science,2017,DOI\uff1a10.1126\/science.aao2109\uff09<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8Allen\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n<p>\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c<a href=\"\/\/m.iemloyee.com\/25127.html\" target=\"_blank\" 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