{"id":150878,"date":"2018-08-23T14:00:31","date_gmt":"2018-08-23T06:00:31","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=150878"},"modified":"2018-08-19T23:33:48","modified_gmt":"2018-08-19T15:33:48","slug":"%e5%93%a5%e5%a4%a7%e9%99%88%e7%bb%8f%e5%b9%bfpnas-co2%e8%bf%98%e5%8e%9f%e5%92%8c%e4%b9%99%e7%83%b7%e8%84%b1%e6%b0%a2%e4%b8%b2%e8%81%94%e5%8f%8d%e5%ba%94%e7%9a%84%e6%b4%bb%e6%80%a7%e4%bd%8d%e7%82%b9","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=150878","title":{"rendered":"\u54e5\u5927\u9648\u7ecf\u5e7fPNAS: CO2\u8fd8\u539f\u548c\u4e59\u70f7\u8131\u6c22\u4e32\u8054\u53cd\u5e94\u7684\u6d3b\u6027\u4f4d\u70b9"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u00a0<\/strong>\u901a\u5e38\u8ba4\u4e3a\uff0c\u8d1f\u8f7d\u578b\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u50ac\u5316\u6d3b\u6027\u6216\u9009\u62e9\u6027\u4e3b\u8981\u7531\u5176\u6d3b\u6027\u4f4d\u70b9\u7684\u7ed3\u6784\u51b3\u5b9a\u3002\u5bf9\u4e8e\u91d1\u5c5e\u50ac\u5316\u5242\u57fa\u5e95\u7684\u5408\u7406\u4f18\u5316\u5219\u9700\u8981\u5bf9\u6d3b\u6027\u4f4d\u70b9\u53ca\u5176\u7ed3\u6784-\u529f\u80fd\u5173\u7cfb\u5177\u6709\u57fa\u7840\u7684\u4e86\u89e3\u3002\u4e59\u70ef\uff08C2<\/sub>H4<\/sub>\uff09\u662f\u5316\u5b66\u5de5\u4e1a\u6700\u91cd\u8981\u7684\u539f\u6599\u4e4b\u4e00\uff0c\u800cCO2<\/sub>\u8f85\u52a9\u4e59\u70f7\uff08C2<\/sub>H6<\/sub>\uff09\u8131\u6c22\u6210\u4e3a\u4e59\u70ef\u7684\u4e32\u8054\u53cd\u5e94\u5219\u521b\u9020\u4e86\u4e00\u4e2a\u65e2\u80fd\u591f\u6709\u6548\u5229\u7528\u9875\u5ca9\u5929\u7136\u6c14\u4e2d\u672a\u5145\u5206\u5229\u7528\u7684\u4e59\u70f7\uff0c\u540c\u65f6\u53c8\u80fd\u51cf\u5c11\u4eba\u4e3a\u6392\u653eCO2<\/sub>\u7684\u5b9d\u8d35\u673a\u4f1a\u3002<\/p>\n

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

\u00a0<\/strong>\u8fd1\u65e5\uff0c\u7f8e\u56fd\u54e5\u4f26\u6bd4\u4e9a\u5927\u5b66\u9648\u7ecf\u5e7f<\/strong>\u7b49\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u539f\u4f4d\u8868\u5f81\u548c\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\u76f8\u7ed3\u5408\uff0c\u786e\u5b9a\u4e86\u5728CeO2<\/sub>\u8d1f\u8f7d\u7684NiFe\u50ac\u5316\u5242\u4e0a\u53cd\u5e94\u53ef\u80fd\u6027\u6700\u5927\u7684\u6d3b\u6027\u4f4d\u70b9\u3002\u5b9e\u9a8c\u548c\u7406\u8bba\u8ba1\u7b97\u7ed3\u679c\u8868\u660e\uff0cNi-FeOx<\/sub>\u754c\u9762\u4f4d\u70b9\u53ef\u4ee5\u901a\u8fc7\u9009\u62e9\u6027\u5730\u7834\u574fC-H\u952e\u5e76\u540c\u65f6\u4fdd\u7559C2<\/sub>H6<\/sub>\u7684C-C\u952e\u4ece\u800c\u4ea7\u751f\u4e59\u70ef\uff0c\u800c\u5728Ni-CeOx<\/sub>\u754c\u9762\u7684\u4f4d\u70b9\u4e0a\u5219\u53ef\u4ee5\u6709\u6548\u5730\u88c2\u89e3\u6240\u6709C-H\u548cC-C\u952e\u4ee5\u4ea7\u751f\u5408\u6210\u6c14\u3002\u5bf9\u8fd9\u4e24\u4e2a\u4e0d\u540c\u6d3b\u6027\u4f4d\u70b9\u7684\u53ef\u63a7\u5408\u6210\u4f7f\u5f97\u5408\u7406\u63a7\u5236\u53cd\u5e94\u7684\u6d3b\u6027\u548c\u9009\u62e9\u6027\u6210\u4e3a\u53ef\u80fd\uff0c\u4ece\u800c\u53ef\u4ee5\u5408\u7406\u5730\u63d0\u9ad8\u5728\u4e59\u70f7\u7684CO2<\/sub>\u8f85\u52a9\u8131\u6c22\u8fc7\u7a0b\u4e2d\u5bf9\u4e59\u70ef\u7684\u9009\u62e9\u6027\u3002\u8be5\u7814\u7a76\u53d1\u8868\u4e8eProceedings of the National Academy of Sciences of the United States of America<\/strong>\uff0c\u9898\u4e3a\u201cActive sites for tandem reactions of CO2<\/sub> reduction and ethane dehydrogenation<\/strong>\u201d<\/strong>\u3002<\/p>\n

\u00a0<\/strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u00a0<\/strong>\u56fe<\/strong>1. CeO2<\/sub><\/strong>\u57fa<\/strong>NiFe<\/strong>\u50ac\u5316\u5242\u7684\u6d41\u52a8\u53cd\u5e94\u5668\u7ed3\u679c<\/strong><\/p>\n

\"\"<\/p>\n

\uff08A\uff09\u4e0d\u540c\u50ac\u5316\u5242\u5bf9C2<\/sub>H6<\/sub>\u7684\u8f6c\u6362\u9009\u62e9\u6027\u548cC2<\/sub>H4<\/sub>\u7684\u9009\u62e9\u6027\uff0c\u6570\u636e\u662f\u901a\u8fc7\u572811-13 h\u4e4b\u95f4\u6d41\u52a8\u7684\u5e73\u5747\u6570\u636e\u70b9\u8ba1\u7b97\u7684\uff1b<\/p>\n

\uff08B\uff09\u5728873 K\u7c7b\u4f3c\u7684C2<\/sub>H6<\/sub>\u8f6c\u6362\u53cd\u5e94\u4e2d\uff0c\u4e0d\u540c\u50ac\u5316\u5242\u5bf9C2<\/sub>H4<\/sub>\u3001CO\u7684\u9009\u62e9\u6027\u548cCO2<\/sub>\u8f6c\u6362\u7684\u9009\u62e9\u6027\u3002<\/p>\n

\u56fe<\/strong>2.<\/strong> \u5728\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684\u539f\u4f4d<\/strong>XRD<\/strong>\u5256\u9762\u7684\u6f14\u5316<\/strong><\/p>\n

\"\"<\/p>\n

\uff08A\uff092\u03b8\u8303\u56f4\u4e3a5.3\u00b0\u52306.9\u00b0\u7684Ni1<\/sub>Fe3<\/sub>\/CeO2<\/sub>\u3002<\/p>\n

\uff08B\uff092\u03b8\u8303\u56f4\u4e3a5.3\u00b0\u52306.9\u00b0\u7684Ni3<\/sub>Fe1<\/sub>\/CeO2<\/sub>\u3002<\/p>\n

\uff08C\uff092\u03b8\u8303\u56f4\u4e3a6.4\u00b0\u52306.9\u00b0\u7684Ni1<\/sub>Fe3<\/sub>\/CeO2<\/sub>\u3002<\/p>\n

\uff08D\uff092\u03b8\u8303\u56f4\u4e3a6.4\u00b0\u52306.9\u00b0\u7684Ni3<\/sub>Fe1<\/sub>\/CeO2<\/sub>\u3002<\/p>\n

\u56fe<\/strong>3.<\/strong> Ni K<\/strong>\u8fb9\u548c<\/strong>Fe K<\/strong>\u8fb9\u7684\u539f\u4f4d<\/strong>XANES<\/strong>\u5149\u8c31<\/strong><\/p>\n

\"\"<\/p>\n

\uff08A\uff09\u53cd\u5e94\u6761\u4ef6\u4e0b\uff0c\u5728 Ni\u7b94\u548cNiO\u53c2\u8003\u4e0b\u7684Ni1<\/sub>Fe3<\/sub>\/CeO2<\/sub>\u3001Ni3<\/sub>Fe1<\/sub>\/CeO2<\/sub>\u548cNi3<\/sub>\/CeO2<\/sub>\u4e2dNi\u7684K\u8fb9\u3002<\/p>\n

\uff08B\uff09\u5728\u53cd\u5e94\u6761\u4ef6\u4e0b\uff0c\u94c1\u7b94\u3001FeO\u3001Fe3<\/sub>O4<\/sub>\u548cFe2<\/sub>O3<\/sub>\u4e3a\u53c2\u8003\u7684Ni1<\/sub>Fe3<\/sub>\/CeO2<\/sub>\u548cNi3<\/sub>Fe1<\/sub>\/CeO2<\/sub>\u4e2dFe\u7684K\u8fb9\u3002<\/p>\n

\u56fe<\/strong>4. <\/strong>\u73af\u72b6\u6697\u573a<\/strong>(ADF)-STEM<\/strong>\u56fe\u50cf\u548c\u5bf9\u5e94\u7684<\/strong>EELS<\/strong>\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\uff08A\uff09Ni1<\/sub>Fe3<\/sub>\/CeO2<\/sub>\u7684ADF-STEM\u56fe\u50cf\u3002<\/p>\n

\uff08B\uff09\u5728Ni1<\/sub>Fe3<\/sub>\/CeO2<\/sub>\u4e2dCe\uff08\u7eff\u8272\uff09\u3001Ni\uff08\u84dd\u8272\uff09\u548cFe\uff08\u7ea2\u8272\uff09\u7684\u6df7\u5408\u56fe\u50cf\u3002<\/p>\n

\uff08C\uff09Ni3<\/sub>Fe1<\/sub>\/CeO2<\/sub>\u7684ADF-STEM\u56fe\u50cf\u3002<\/p>\n

\uff08D\uff09\u5728Ni3<\/sub>Fe1<\/sub>\/CeO2<\/sub>\u4e2dCe\uff08\u7eff\u8272\uff09\u3001Ni\uff08\u84dd\u8272\uff09\u548cFe\uff08\u7ea2\u8272\uff09\u6df7\u5408\u56fe\u50cf\u3002<\/p>\n

\uff08E\uff09\u5728\u8017\u5c3d\u7684Ni1<\/sub>Fe3<\/sub>\/CeO2<\/sub>\u6837\u672c\u4e2d\uff0cFeOx<\/sub>\u8986\u76d6\u5c42\u7684\u9ad8\u5206\u8fa8\u7387ADF-STEM\u56fe\u50cf\u3002<\/p>\n

\uff08F\uff09\u5728\u8017\u5c3d\u7684Ni1<\/sub>Fe3<\/sub>\/CeO2<\/sub>\uff08\u7ea2\u7ebf\uff09\u548cNi3<\/sub>Fe1<\/sub>\/CeO2<\/sub>\uff08\u7eff\u7ebf\uff09\u6837\u54c1\u4e2d\uff0c\u94c1\u5256\u9762\u7684EELS\u7ebf\u626b\u63cf\u56fe\u3002<\/p>\n

\u56fe<\/strong>5. <\/strong>\u6c27\u5316\u8131\u6c22\u548c\u5e72\u6c14\u91cd\u6574\u7684\u80fd\u7ebf\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(A)Ni(111);<\/p>\n

(B)Ni-\u5c01\u7aef-Ni3<\/sub>Fe(111)\uff1b<\/p>\n

(C)\u5757\u4f53-\u5c01\u7aef-Ni3<\/sub>Fe(111);<\/p>\n

(D)FeOx<\/sub> \/Ni(111)\u3002<\/p>\n

\u00a0<\/strong>\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u8be5\u5de5\u4f5c\u7ed3\u5408\u5b9e\u9645\u60c5\u51b5\uff0c\u5229\u7528DFT\u8ba1\u7b97\u7684\u65b9\u6cd5\u6765\u786e\u5b9a\u4e86\u5728CeO2<\/sub>\u57faNiFe\u50ac\u5316\u5242\u4e0a\u7684\u4e59\u70f7\u8fdb\u884c\u4e8c\u6c27\u5316\u78b3\u8f85\u52a9\u8131\u6c22\u7684\u6d3b\u6027\u4f4d\u70b9\u7684\u4e24\u79cd\u7c7b\u578b\u3002\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0cNi-FeOx<\/sub>\u4e0eNi-CeOx<\/sub>\u754c\u9762\u662f\u4e59\u70f7\uff08\u9009\u62e9\u6027C-H\u952e\u88c2\u89e3\u4ea7\u751f\u4e59\u70ef\uff09\u548c\u4e8c\u6c27\u5316\u78b3\u7684\u5e72\u6c14\u91cd\u6574\uff08\u9ad8\u6548C-C\u952e\u5206\u79bb\u4ea7\u751f\u5408\u6210\u6c14\uff09\u7684\u6700\u6709\u53ef\u80fd\u7684\u6d3b\u6027\u4f4d\u70b9\u3002\u5bf9\u4e8eCeO2<\/sub>\u57faNiFe\u50ac\u5316\u5242\uff0c\u4e3b\u8981\u662f\u7531\u4e8eNi-FeOx<\/sub>\u754c\u9762\u7684\u5f62\u6210\u53d6\u4ee3\u4e86Ni-CeOx<\/sub>\u7684\u754c\u9762\uff0c\u4ece\u800cFe\u5728\u63a7\u5236\u4e59\u70ef\u9009\u62e9\u6027\u65b9\u9762\u53d1\u6325\u4e86\u4f5c\u7528\u3002\u8fd9\u4e9b\u7814\u7a76\u7ed3\u679c\u5c06\u6709\u52a9\u4e8e\u66f4\u597d\u5730\u7406\u89e3\u6d3b\u6027\u4f4d\u70b9\u4e0e\u50ac\u5316\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u540c\u65f6\u53ef\u4ee5\u4e3aCO2<\/sub>\u8fd8\u539f\u548c\u4e59\u70f7\u8131\u6c22\u7684\u4e32\u8054\u53cd\u5e94\u4e2d\u7684\u6c27\u57fa\u91d1\u5c5e\u50ac\u5316\u5242\u63d0\u4f9b\u8c03\u8282\u548c\u63a7\u5236\u6d3b\u6027\u4e0e\u9009\u62e9\u6027\u7684\u7b56\u7565\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Active sites for tandem reactions of CO2<\/sub> reduction and ethane dehydrogenations<\/strong><\/a> (PNAS 2018, DOI: 10.1073\/pnas.1806950115)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u8ba1\u7b97\u6750\u6599\u7ec4Annay\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\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\u7bb1tougao@cailiaoren.com\u3002<\/p>\n

\u6750\u6599\u4eba\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu \u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u00a0\u901a\u5e38\u8ba4\u4e3a\uff0c\u8d1f\u8f7d\u578b\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u50ac\u5316\u6d3b\u6027\u6216\u9009\u62e9\u6027\u4e3b\u8981\u7531\u5176\u6d3b\u6027\u4f4d\u70b9\u7684\u7ed3\u6784\u51b3\u5b9a\u3002\u5bf9\u4e8e\u91d1\u5c5e\u50ac\u5316\u5242\u57fa\u5e95\u7684\u5408\u7406\u4f18\u5316\u5219\u9700\u8981\u5bf9\u6d3b\u6027\u4f4d\u70b9\u53ca\u5176\u7ed3\u6784-\u529f\u80fd\u5173\u7cfb\u5177\u6709\u57fa\u7840\u7684\u4e86\u89e3…<\/p>\n","protected":false},"author":5415,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[2490,116,97,346],"class_list":["post-150878","post","type-post","status-publish","format-standard","hentry","category-jiedu","tag-2490","tag-catalyst","tag-computation","tag-metal"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/150878"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/5415"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=150878"}],"version-history":[{"count":3,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/150878\/revisions"}],"predecessor-version":[{"id":151460,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/150878\/revisions\/151460"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=150878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=150878"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=150878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}