{"id":95345,"date":"2017-08-15T06:30:26","date_gmt":"2017-08-14T22:30:26","guid":{"rendered":"\/\/m.iemloyee.com\/?p=95345"},"modified":"2017-08-12T00:02:47","modified_gmt":"2017-08-11T16:02:47","slug":"angew-chem-int-ed-%ef%bc%9a%e5%bc%ba%e9%87%91%e5%b1%9e%e8%bd%bd%e4%bd%93%e7%9b%b8%e4%ba%92%e4%bd%9c%e7%94%a8%e9%93%b1%e6%b0%a7%e5%8c%96%e9%93%88%e5%82%ac%e5%8c%96%e5%89%82%e8%b0%83%e8%8a%82","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=95345","title":{"rendered":"Angew. Chem. Int. Ed.\uff1a\u5f3a\u91d1\u5c5e\u8f7d\u4f53\u76f8\u4e92\u4f5c\u7528\u94f1\/\u6c27\u5316\u94c8\u50ac\u5316\u5242\u8c03\u8282\u4e8c\u6c27\u5316\u78b3\u52a0\u6c22\u53cd\u5e94\u9009\u62e9\u6027"},"content":{"rendered":"

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

\u76ee\u524d\uff0c\u8d1f\u8f7d\u91d1\u5c5e\u7684\u50ac\u5316\u5242\u5728\u591a\u76f8\u50ac\u5316\u4e2d\u662f\u7814\u7a76\u8f83\u4e3a\u5e7f\u6cdb\u7684\uff0c\u5728\u73af\u5883\u548c\u80fd\u6e90\u95ee\u9898\u4e2d\u5c55\u73b0\u51fa\u4e86\u51fa\u8272\u7684\u50ac\u5316\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u4e8c\u6c27\u5316\u78b3\u50ac\u5316\u52a0\u6c22\u8f6c\u5316\u4e3a\u4eba\u7c7b\u6240\u9700\u7684\u7269\u8d28\uff0c\u8fd9\u4e0d\u4ec5\u80fd\u964d\u4f4e\u6e29\u5ba4\u6c14\u4f53\u7684\u6392\u653e\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u751f\u4ea7\u5316\u5de5\u539f\u6599\u751a\u81f3\u662f\u71c3\u6599\u3002\u4e4b\u524d\u7684\u7814\u7a76\u5df2\u7ecf\u8868\u660e\u8d1f\u8f7d\u8d35\u91d1\u5c5e\u7684\u50ac\u5316\u5242\u7684\u50ac\u5316\u6d3b\u6027\u53d7\u91d1\u5c5e\u7c92\u5b50\u5c3a\u5bf8\u7684\u5f71\u54cd\uff0c\u6240\u4ee5\u5f88\u591a\u7814\u7a76\u81f4\u529b\u4e8e\u5236\u5907\u5177\u6709\u72ec\u7279\u50ac\u5316\u6027\u80fd\u7684\u66f4\u5c0f\u7684\u7eb3\u7c73\u7c92\u5b50\u6216\u8005\u662f\u201c\u5355\u539f\u5b50\u201d\u50ac\u5316\u5242\u3002\u5728\u4f5c\u8005\u770b\u6765\uff0c\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u5316\u5b66\u7279\u6027\u6709\u65f6\u88ab\u5ffd\u89c6\u4e86\u3002\u7684\u786e\uff0c\u5316\u5b66\u6001\u7684\u6539\u53d8\uff0c\u4f8b\u5982\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u6c27\u5316\u6001\u80fd\u591f\u5f71\u54cd\u53cd\u5e94\u7269\u7684\u5438\u9644\u7279\u6027\u548c\u968f\u540e\u53d1\u751f\u7684\u53cd\u5e94\u4e2d\u95f4\u4ea7\u7269\u7684\u8f6c\u5316\uff0c\u8fdb\u800c\u5f71\u54cd\u53cd\u5e94\u9014\u5f84\u3002\u7136\u800c\uff0c\u8fd1\u5e74\u6765\u53ea\u6709\u51e0\u9879\u7814\u7a76\u63d0\u5230\u901a\u8fc7\u8c03\u8282\u8d35\u91d1\u5c5e\u7eb3\u7c73\u7c92\u5b50\u7684\u5316\u5b66\u6001\u6765\u8c03\u63a7\u8d1f\u8f7d\u8d35\u91d1\u5c5e\u5728\u6307\u5b9a\u65b9\u5411\u7684\u50ac\u5316\u9009\u62e9\u6027\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5728\u67d0\u4e00\u79cd\u5f62\u5f0f\u4e0b\u8f7d\u4f53\u80fd\u591f\u5f71\u54cd\u8d35\u91d1\u5c5e\u7eb3\u7c73\u7c92\u5b50\u7684\u5316\u5b66\u6001\uff0c\u800c\u4e0d\u662f\u7b80\u5355\u7684\u4f5c\u4e3a\u57fa\u5e95\u4e0a\u8d1f\u8f7d\u7684\u5206\u6563\u7684\u91d1\u5c5e\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6765\u81ea\u5317\u4eac\u5927\u5b66\u7684\u9a6c\u4e01\u6559\u6388<\/strong>\u548c\u4e2d\u79d1\u5408\u6210\u6cb9\u516c\u53f8\u7684Xi Liu\u535a\u58eb\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u7b49\u4eba\u5728Angewandte Chemie International Edition<\/strong>\u4e0a\u53d1\u6587\uff0c\u9898\u4e3a\u201cTuning the Selectivity of Catalytic Carbon Dioxide Hydrogenation over Iridium\/Cerium Oxide Catalysts with a Strong Metal-Support Interaction\u201d<\/strong>\u3002\u7814\u7a76\u4eba\u5458\u57fa\u4e8e\u5438\u9644\u2014\u2014\u6c89\u6dc0\u91c7\u7528\u4e00\u6b65\u65e0\u914d\u4f53\u65b9\u6cd5\u5408\u6210\u4e86\u4e00\u79cd\u9ad8\u5ea6\u5206\u6563\u7684\u94f1\uff08Ir\uff09\u7eb3\u7c73\u7c92\u5b50\u8d1f\u8f7d\u6c27\u5316\u94c8(CeO2<\/sub>)\u7eb3\u7c73\u7247\u7684\u50ac\u5316\u5242\u3002\u5728\u5f88\u9ad8\u7684Ir\u8d1f\u8f7d\u91cf\uff0820 wt%\uff09\u60c5\u51b5\u4e0b\uff0cIr\u7684\u5c3a\u5bf8\u53ef\u4ee5\u63a7\u5236\u52302.5nm\u4ee5\u4e0b\uff0c\u8fd9\u8868\u660eIr\u7684\u5316\u5b66\u6001\u53ef\u4ee5\u901a\u8fc7\u6539\u53d8\u8d1f\u8f7d\u5728CeO2<\/sub>\u4e0a\u7684Ir\u5c3a\u5bf8\u6765\u8c03\u63a7\uff0c\u8fdb\u800c\u6539\u53d8\u4e8c\u6c27\u5316\u78b3\u52a0\u6c22\u53cd\u5e94\u4e2d\u4ea7\u7269\u7684\u9009\u62e9\u6027\u3002\u5728\u4e8c\u6c27\u5316\u78b3\u52a0\u6c22\u53cd\u5e94\u4e2d\uff0c\u7531\u5f3a\u91d1\u5c5e\u8f7d\u4f53\u76f8\u4e92\u4f5c\u7528\u8bf1\u5bfc\u7684Ir\u5316\u5b66\u6001\u5728\u53cd\u5e94\u9009\u62e9\u6027\u4e0a\u8d77\u4e3b\u8981\u4f5c\u7528\u3002\u76f4\u63a5\u8bc1\u636e\u8868\u660e\u5728\u4e8c\u6c27\u5316\u78b3\u52a0\u6c22\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u4e2a\u5355\u4f4d\u70b9\u50ac\u5316\u5242\u5e76\u4e0d\u662f\u6291\u5236\u7532\u70f7\u548c\u4e00\u6c27\u5316\u78b3\u4ea7\u51fa\u7684\u5148\u51b3\u6761\u4ef6\u3002\u76f8\u53cd\uff0c\u901a\u8fc7\u5f3a\u7684\u91d1\u5c5e\u8f7d\u4f53\u76f8\u4e92\u4f5c\u7528\u6765\u8c03\u8282\u91d1\u5c5e\u7269\u79cd\u7684\u5316\u5b66\u72b6\u6001\u5bf9\u89c2\u5bdf\u5230\u7684\u9009\u62e9\u6027\u7684\u8c03\u8282\u66f4\u4e3a\u91cd\u8981\u3002<\/p>\n

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

\u56fe1 20 Ir\/Ce-OH\u6df7\u5408\u7eb3\u7c73\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

A) HRTEM\u548c\u9009\u533a(\u7535\u5b50)\u884d\u5c04 (SAED\uff1b \u63d2\u56fe)\uff1b<\/p>\n

B) 20Ir\/Ce-OH\u7eb3\u7c73\u7ed3\u6784\u7684HAADF-STEM\uff1b<\/p>\n

C) Ir 4f \u7684XPS\u56fe\u8c31\uff1b<\/p>\n

D)\u4e0d\u540c\u5408\u6210\u65f6\u95f4\u95f4\u9694\u768420Ir\/Ce-OH\u7eb3\u7c73\u6742\u5316\u7269\u4e2dIr L3-edge\u7684EXAFS\u56fe\uff1b<\/p>\n

\u56fe2 Ir\/Ce\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

A)\u4e0d\u540cIr\u8d1f\u8f7d\u7684Ir\/Ce\u7684XRD\u56fe\uff1b<\/p>\n

\u50ac\u5316\u5242\u7684HAADF-STEM\u56fe: B) 5Ir\/Ce, C) 15Ir\/Ce, D) 20 Ir\/Ce\uff1b<\/p>\n

\u56fe3 \u673a\u7406\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

A) Ir-Ir\u548cIr-O\u7684\u50ac\u5316\u9009\u62e9\u6027\u548c\u5e26\u6709\u4e0d\u540cIr\u8d1f\u8f7d\u91cf\u7684Ir\/Ce\u50ac\u5316\u5242\u5173\u7cfb\uff1b<\/p>\n

B) Ir\/Ce\u50ac\u5316\u5242\u4e2dIr L3-edge EXAFS\uff1b<\/p>\n

C) Ir\/Ce\u50ac\u5316\u5242\u7684XPS\u5206\u6790\uff1b<\/p>\n

D)\uff0cE) 5Ir\/Ce\u548c20 Ir\/Ce\u50ac\u5316\u5242\u7684EELS\uff1b<\/p>\n

\u3010\u603b\u7ed3\u3011<\/strong><\/p>\n

Ir\u5206\u6563\u7684\u5316\u5b66\u7ed3\u6784\u5728\u4e8c\u6c27\u5316\u78b3\u52a0\u6c22\u53cd\u5e94\u4e2d\u662f\u5173\u952e\u3002\u5728\u4e8c\u6c27\u5316\u78b3\u52a0\u6c22\u53cd\u5e94\u4e2d\u5355\u4e2a\u91d1\u5c5e\u70b9\u5e76\u4e0d\u662f\u6291\u5236\u7532\u70f7\u548c\u4e00\u6c27\u5316\u78b3\u7684\u5148\u51b3\u6761\u4ef6\u56e0\u7d20\u3002\u76f8\u53cd\uff0c\u7814\u7a76\u4eba\u5458\u8ba4\u4e3a\u5c3a\u5bf8\u6548\u5e94\u7684\u80cc\u540e\u56e0\u7d20\u662fCeO2<\/sub>\u57fa\u5e95\u4e0aIr\u5316\u5b66\u6001\u7684\u6539\u53d8\u3002\u5728\u90e8\u5206\u6c27\u5316\u7684Ir\u7eb3\u7c73\u7c92\u5b50\u548c\u4e00\u6c27\u5316\u78b3\u5438\u9644\u7269\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u8981\u5f31\u4e8eIr\u548c\u4e00\u6c27\u5316\u78b3\u7684\u3002\u5728\u5f53\u524d\u6761\u4ef6\u4e0b, \u867d\u7136\u90e8\u5206\u6c27\u5316\u7684Ir\/CeO2<\/sub>\u8868\u9762\u80fd\u591f\u50ac\u5316\u6e38\u79bb\u7684\u5316\u5b66\u5438\u9644\u7269\u5e76\u4e14\u8fdb\u4e00\u6b65\u50ac\u5316\u4e8c\u6c27\u5316\u78b3\uff0c\u4f46\u662f\u5728\u8fd9\u4e9b\u90e8\u5206\u6c27\u5316\u7684Ir\u4e0a\u9762\u4e5f\u503e\u5411\u4e8e\u53d1\u751f\u4e00\u6c27\u5316\u78b3\u7684\u89e3\u5438\u3002\u5728\u4e8c\u6c27\u5316\u78b3\u52a0\u6c22\u53cd\u5e94\u4e2d\uff0c\u660e\u663e\u770b\u51fa\u5355\u4e2aIr\u548c\u66f4\u5c0f\u7684Ir\u7eb3\u7c73\u7c92\u5b50\u5bf9CO\u5c55\u793a\u4e86\u76f8\u540c\u7684\u50ac\u5316\u9009\u62e9\u6027\u3002\u867d\u7136\u5728\u7ef4\u5ea6\u4e0a\u6709\u6240\u4e0d\u540c\uff08\u4e00\u4e2a\u662f\u5355\u91d1\u5c5e\uff0c\u4e00\u4e2a\u662f1nm\u7684\u7c92\u5b50\uff09\uff0c\u4f46\u662f\u7814\u7a76\u8868\u660e\u4e24\u79cd\u6d3b\u6027\u4f4d\u70b9\u5177\u6709\u76f8\u4f3c\u7684\u5316\u5b66\u6001\uff0c\u5e76\u4e14\u53ea\u9002\u7528\u4e8e\u800c\u4e8c\u6c27\u5316\u78b3\u52a0\u6c22\u800c\u4e0d\u9002\u7528\u4e8e\u4e00\u6c27\u5316\u78b3\u52a0\u6c22\u3002\u7814\u7a76\u4eba\u5458\u8ba4\u4e3a\u51fa\u4e86\u5c3a\u5bf8\u6548\u5e94\uff0c\u5728\u8d1f\u8f7d\u91d1\u5c5e\u548c\u6d3b\u6027\u79cd\u4e4b\u95f4\u7684\u5f3a\u76f8\u4e92\u4f5c\u7528\u5728\u50ac\u5316\u6d3b\u6027\u4e0a\u4e5f\u8d77\u7740\u5f88\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u8fd9\u4e5f\u5c06\u51cf\u5c0f\u56e0\u5728\u7eb3\u7c73\u5c3a\u5ea6\u4e0b\u7ef4\u5ea6\u591a\u6837\u6027\u9020\u6210\u7684\u5dee\u5f02\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Tuning the Selectivity of Catalytic Carbon Dioxide Hydrogenation over Iridium\/Cerium Oxide Catalysts with a Strong Metal\u2013Support Interaction<\/a> (Angewandte Chemie International Edition, 2017, DOI:\u00a010.1002\/anie.201705002)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u5b66\u672f\u7ec4Z. Chen\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

\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\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u76ee\u524d\uff0c\u8d1f\u8f7d\u91d1\u5c5e\u7684\u50ac\u5316\u5242\u5728\u591a\u76f8\u50ac\u5316\u4e2d\u662f\u7814\u7a76\u8f83\u4e3a\u5e7f\u6cdb\u7684\uff0c\u5728\u73af\u5883\u548c\u80fd\u6e90\u95ee\u9898\u4e2d\u5c55\u73b0\u51fa\u4e86\u51fa\u8272\u7684\u50ac\u5316\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u4e8c\u6c27\u5316\u78b3\u50ac\u5316\u52a0\u6c22\u8f6c\u5316\u4e3a\u4eba\u7c7b\u6240\u9700\u7684\u7269\u8d28\uff0c\u8fd9\u4e0d\u4ec5\u80fd\u964d\u4f4e…<\/p>\n","protected":false},"author":3029,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-95345","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/95345"}],"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\/3029"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=95345"}],"version-history":[{"count":5,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/95345\/revisions"}],"predecessor-version":[{"id":96090,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/95345\/revisions\/96090"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=95345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=95345"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=95345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}