{"id":27041,"date":"2016-07-20T08:00:31","date_gmt":"2016-07-20T00:00:31","guid":{"rendered":"\/\/m.iemloyee.com\/?p=27041"},"modified":"2016-07-19T23:00:33","modified_gmt":"2016-07-19T15:00:33","slug":"%e7%9c%8b%e5%a4%a7%e7%89%9b%e4%bb%ac%e5%a6%82%e4%bd%95%e5%a5%87%e6%80%9d%e5%a6%99%e6%80%9d-science%e6%9c%80%e6%96%b0%e4%b8%80%e6%9c%9f%e6%96%87%e7%ab%a0%ef%bc%9a%e5%88%a9%e7%94%a8","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=27041","title":{"rendered":"\u770b\u5927\u725b\u4eec\u5982\u4f55\u201c\u5947\u601d\u5999\u60f3\u201d|| Science\uff1a\u5229\u7528\u91d1\u5c5e\u539f\u5b50\u7684\u9ad8\u6e29\u79fb\u52a8\u6027\u6765\u5236\u5907\u70ed\u529b\u5b66\u7a33\u5b9a\u7684\u5355\u539f\u5b50Pt\/CeO2\u50ac\u5316\u5242"},"content":{"rendered":"

\u5f15\u8bed\uff1a<\/strong><\/p>\n

\u65e5\u5e38\u751f\u6d3b\u4e2d\uff0c\u9a6c\u8def\u4e0a\u5ddd\u6d41\u4e0d\u606f\u7684\u8f66\u8f86\u4f1a\u6392\u653e\u51faCO\u3001NO\u548c\u5404\u7c7b\u78b3\u6c22\u5316\u5408\u7269\u8fd9\u4e00\u7c7b\u6709\u5bb3\u6c14\u4f53\uff0c\u4ece\u800c\u4f1a\u6c61\u67d3\u73af\u5883\uff0c\u964d\u4f4e\u7a7a\u6c14\u8d28\u91cf\u3002\u56e0\u6b64\u5728\u673a\u52a8\u8f66\u5236\u9020\u884c\u4e1a\u4e2d\uff0c\u67f4\u6cb9\u6c27\u5316\u50ac\u5316\u5242\u6750\u6599\uff08DOCs\uff09\u5e7f\u6cdb\u8fd0\u7528\u5728\u6c7d\u8f66\u5c3e\u6c14\u6392\u653e\u4e2d\uff0c\u5176\u4e2dPt\u91d1\u5c5e\u5bf9\u4e8e\u8be5\u7c7b\u6c27\u5316\u53cd\u5e94\u8fc7\u7a0b\u80fd\u8d77\u5230\u9ad8\u6548\u50ac\u5316\u4f5c\u7528\uff08\u57fa\u4e8e\u5355\u539f\u5b50\u7684\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u7531\u4e8e\u5176\u5177\u6709\u9ad8\u50ac\u5316\u6d3b\u6027\u548c\u5bf9\u4e8e\u50ac\u5316\u5e95\u7269\u7684\u9ad8\u50ac\u5316\u9009\u62e9\u6027\u4f7f\u5f97\u8be5\u7c7b\u6750\u6599\u7684\u5e94\u7528\u53d7\u5230\u5e7f\u6cdb\u5173\u6ce8\uff09\u3002\u7136\u800c\u5728\u9ad8\u6e29\u6c27\u5316\u6761\u4ef6\u4e0b\uff0c\u5728\u6c27\u5316\u7269\u8f7d\u4f53\u4e0a\u8fdb\u884c\u70e7\u7ed3\u7684Pt\u7eb3\u7c73\u7c92\u5b50\u5bb9\u6613\u5f62\u6210\u5c3a\u5bf8\u8f83\u5927\u7684\u7c92\u5b50\uff08\u57fa\u4e8e\u5355\u539f\u5b50\u7684\u50ac\u5316\u5242\u5177\u6709\u8f83\u5f3a\u7684\u79fb\u52a8\u6027\u548c\u805a\u96c6\u6027\u8d28\uff0c\u4f7f\u5f97\u8be5\u7c7b\u6750\u6599\u5728\u5347\u6e29\u8fc7\u7a0b\u6613\u4e8e\u53d1\u751f\u56e2\u805a\u4f5c\u7528\uff09\uff0c\u4ece\u800c\u4f7f\u5f97\u50ac\u5316\u6709\u6548\u9762\u79ef\u964d\u4f4e\uff0c\u56e0\u6b64\u50ac\u5316\u53cd\u5e94\u6548\u7387\u5f97\u4ee5\u4e0b\u964d\u3002\u5982\u4f55\u4f7f\u5f97\u5728\u9ad8\u6e29\u957f\u65f6\u95f4\u5bf9\u50ac\u5316\u5242\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u50ac\u5316\u5242\u7684\u6548\u7387\u4e0d\u53d8\u4e00\u76f4\u662f\u50ac\u5316\u5242\u5b9e\u9645\u5546\u7528\u5316\u7684\u91cd\u70b9\u7814\u7a76\u8bfe\u9898\u3002<\/p>\n

\u6210\u679c\u7b80\u4ecb\uff1a<\/strong><\/p>\n

\u8fd1\u671f\u6765\u81ea\u7f8e\u56fd\u65b0\u58a8\u897f\u54e5\u5927\u5b66\u7684Abhaya K. Datye\uff08\u901a\u8baf\u4f5c\u8005\uff09\u7814\u7a76\u56e2\u961f\u4f7f\u7528\u5177\u6709\u76f8\u540c\u8868\u9762\u79ef\u4e14\u4e0d\u540c\u66b4\u9732\u6676\u9762\u7684Ce\u6c27\u5316\u7c89\u4f53\uff0c\u5e76\u5c06CeO2\u548c\u548cPt\/Al\u6c27\u5316\u7269\u50ac\u5316\u5242\u6df7\u5408\u7f6e\u4e8e\u7a7a\u6c14\u6761\u4ef6\u4e0b800\u2103\u70ed\u5904\u7406\u3002\u7814\u7a76\u4eba\u5458\u5de7\u5999\u5f97\u5229\u7528\u4e86\u91d1\u5c5e\u539f\u5b50\u7684\u9ad8\u6e29\u79fb\u52a8\u6027\u5236\u5907\u51fa\u4e86\u4e00\u79cd\u8010\u9ad8\u6e29\u7684\u5355\u539f\u5b50Pt\/CeO2\u50ac\u5316\u5242\u3002\u5b9e\u9a8c\u7ed3\u679c\u53d1\u73b0\u5728\u9ad8\u6e29\u70ed\u5904\u7406\u8fc7\u7a0b\u4e2d\uff0cPt\u91d1\u5c5e\u7c92\u5b50\u4f1a\u53d1\u751f\u79fb\u52a8\u5e76\u8f6c\u79fb\u5230CeO2\u8868\u9762\u88ab\u6355\u83b7\u3002\u76f8\u5173\u8868\u5f81\u7ed3\u679c\u8868\u660e\u591a\u9762\u4f53\u548c\u7eb3\u7c73\u68d2\u578b\u7684CeO2\u4e0e\u7acb\u65b9\u7ed3\u6784\u7684CeO2\u76f8\u6bd4\uff0c\u591a\u9762\u4f53\u7684CeO2\u5bf9\u4e8e\u56fa\u5b9aPt\u539f\u5b50\u7684\u6548\u7387\u66f4\u9ad8\u3002\u540c\u65f6\u9ad8\u6e29\u5408\u6210\u6761\u4ef6\u4fdd\u8bc1\u4e86Pt\u539f\u5b50\u4e0eCeO2\u7684\u7ed3\u5408\u4f4d\u70b9\u5904\u4e8e\u6700\u7a33\u5b9a\u7684\u7ed3\u5408\u72b6\u6001\uff0c\u56e0\u6b64\u53ef\u4ee5\u5236\u5907\u51fa\u5177\u6709\u539f\u5b50\u7ea7\u5206\u6563\u548c\u8010\u9ad8\u6e29\u7684\u50ac\u5316\u5242\u6750\u6599\u3002<\/p>\n

\u56fe\u6587\u5bfc\u8bfb\uff1a<\/strong><\/p>\n

\u56fe<\/strong>1. Pt<\/strong>\u91d1\u5c5e\u539f\u5b50\u4ece<\/strong>Al2O3<\/strong>\u8f6c\u79fb\u5230<\/strong>CeO2<\/strong>\u4f1a\u4f7f\u5f97<\/strong>Pt<\/strong>\u7684\uff08<\/strong>111<\/strong>\uff09\u6676\u9762\u7684<\/strong>XRD<\/strong>\u884d\u5c04\u5cf0\u7684\u964d\u4f4e\u3002<\/strong>(A) 1wt% Pt\/La-Al2O3 <\/strong>\u5728\u7a7a\u6c14\u4e2d<\/strong>350<\/strong>\u2103\u7145\u70e7\u5904\u7406<\/strong>5h<\/strong>\u540e\u7684\u900f\u5c04\u7535\u955c\u56fe\u3002<\/strong>(B)<\/strong>\u8be5\u50ac\u5316\u5242\u5728\u7a7a\u6c14\u4e2d<\/strong>800<\/strong>\u2103\u7145\u70e7<\/strong>10h<\/strong>\u540e\u7684\u900f\u5c04\u7535\u955c\u56fe\u3002<\/strong>(C)<\/strong>\u56fe\u4e2d\u5c16\u9510\u7684<\/strong>Pt<\/strong>\u7684\u884d\u5c04\u5cf0\u662f\u6765\u81ea\u4e8e\u900f\u5c04\u7535\u955c\u56fe<\/strong>(B)<\/strong>\u4e2d\u7684\u5927\u9897\u7c92\u3002<\/strong><\/p>\n

\u00a0\"1\"<\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

\u56fe<\/strong>2. <\/strong>\u901a\u8fc7\u5c06<\/strong>CeO2<\/strong>\u548c<\/strong>Pt\/La-Al2O3<\/strong>\u7b80\u5355\u7684\u6df7\u5408\u5728\u4e00\u8d77\u53ef\u4ee5\u63d0\u9ad8\u50ac\u5316\u5242\u6750\u6599\u7684\u50ac\u5316\u6d3b\u6027\u3002\u8fd9\u673a\u5236\u7b80\u76f4\u5c31\u662f\u5931\u4f20\u7684\u201c\u4e7e\u5764\u5927\u632a\u79fb\u201d\u554a\u3002<\/strong>(A)<\/strong>\u56fe\u89e3\u8bf4\u660e\u5728\u9ad8\u6e29\u7145\u70e7\u8fc7\u7a0b\u4e2d\uff0c<\/strong>CeO2<\/strong>\u5982\u4f55\u6355\u6349<\/strong>Pt<\/strong>\u91d1\u5c5e\u539f\u5b50\uff0c\u5e76\u6bd4\u8f83\u7acb\u65b9\u7ed3\u6784\u7684<\/strong>CeO2<\/strong>\u6bd4\u7eb3\u7c73\u68d2\u6216\u8005\u591a\u9762\u4f53\u7684<\/strong>CeO2<\/strong>\u66f4\u6613\u4e8e\u6355\u83b7<\/strong>Pt<\/strong>\u91d1\u5c5e\u539f\u5b50\u3002\uff08<\/strong>B<\/strong>\uff09\u5177\u6709\u6700\u5f31<\/strong>Pt<\/strong>\u7684<\/strong>XRD<\/strong>\u884d\u5c04\u5cf0\u7684\u50ac\u5316\u5242\u6837\u54c1\u5bf9\u4e8e<\/strong>CO<\/strong>\u7684\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u7684\u50ac\u5316\u6548\u7387\u6700\u9ad8\u3002<\/strong><\/p>\n

\u00a0\"2\"<\/strong><\/p>\n

\u56fe<\/strong>3. 800<\/strong>\u2103\u70ed\u5904\u7406\u4f7f\u5f97<\/strong>Pt<\/strong>\u91d1\u5c5e\u539f\u5b50\u79fb\u52a8\u5230<\/strong>CeO2<\/strong>\u8868\u9762\uff0c<\/strong>(A), (B)<\/strong>\u4e3a<\/strong>1wt<\/strong>\uff05\u7684<\/strong>Pt\/CeO2<\/strong>\u7eb3\u7c73\u68d2\u7145\u70e7\u5904\u7406\u540e\u7684<\/strong>STEM<\/strong>\u56fe\u50cf\u3002<\/strong>(C), (D) <\/strong>\u56fe\u4e3a<\/strong>1wt<\/strong>\uff05<\/strong>Pt<\/strong>\uff0f<\/strong>CeO2<\/strong>\u591a\u9762\u4f53\u7684<\/strong>STEM<\/strong>\u56fe\u50cf\u3002<\/strong><\/p>\n

\u00a0\"3\"<\/strong><\/p>\n

\u56fe<\/strong>4. <\/strong>\u5728<\/strong>CO<\/strong>\u6c27\u5316\u8fd8\u539f\u8fc7\u7a0b\u4e2d<\/strong>Pt<\/strong>\u91d1\u5c5e\u539f\u5b50\u7684\u539f\u5b50\u5206\u6563\u6027\u4fdd\u6301\u4e0d\u53d8\u3002<\/strong><\/p>\n

\u00a0\"4\"<\/strong><\/p>\n

\u53c2\u8003\u6587\u732e\uff1a<\/strong><\/p>\n

Thermally stable single-atom platinum-on-ceria catalysts via atom trapping<\/a>\u00a0\u00a0supplemental materials<\/strong><\/a>\uff1a<\/strong>(Jones, John, et al.\u00a0Science<\/i> 353.6295 (2016): 150-154.\u00a0DOI: 10.1126\/science.aaf8800)<\/p>\n

\u6587\u7ae0\u7531\u6750\u6599\u4eba\u65b0\u9510\u7f16\u8f91<\/strong>X.K.<\/strong>\u63d0\u4f9b\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/strong><\/p>\n

\u6b22\u8fce\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5b66\u672f\u5e72\u8d27\u7ec4\uff0c\u6211\u4eec\u6e05\u695a\u52aa\u529b\u7684\u4ef7\u503c\uff0c\u4fdd\u6301\u5b66\u4e60\u7684\u4e60\u60ef\uff0c\u5199\u7a3f\u5b50\u662f\u6700\u5feb\u901f\u624e\u5b9e\u7684\u5b66\u4e60\u65b9\u5f0f\uff0c\u79c1\u4fe1\u8d1f\u8d23\u4eba\u201c\u6de1\u5e74\u534e\uff08QQ:601416321\uff09<\/a>\u201d\u62a5\u540d\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5f15\u8bed\uff1a \u65e5\u5e38\u751f\u6d3b\u4e2d\uff0c\u9a6c\u8def\u4e0a\u5ddd\u6d41\u4e0d\u606f\u7684\u8f66\u8f86\u4f1a\u6392\u653e\u51faCO\u3001NO\u548c\u5404\u7c7b\u78b3\u6c22\u5316\u5408\u7269\u8fd9\u4e00\u7c7b\u6709\u5bb3\u6c14\u4f53\uff0c\u4ece\u800c\u4f1a\u6c61\u67d3\u73af\u5883\uff0c\u964d\u4f4e\u7a7a\u6c14\u8d28\u91cf\u3002\u56e0\u6b64\u5728\u673a\u52a8\u8f66\u5236\u9020\u884c\u4e1a\u4e2d\uff0c\u67f4\u6cb9\u6c27\u5316\u50ac\u5316\u5242\u6750…<\/p>\n","protected":false},"author":953,"featured_media":27046,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[155,116,18,56,54,33],"class_list":["post-27041","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ganhuo","tag-science","tag-catalyst","tag-xinnengyuan","tag-crsytal","tag-making","tag-nano"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/27041"}],"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\/953"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=27041"}],"version-history":[{"count":8,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/27041\/revisions"}],"predecessor-version":[{"id":27825,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/27041\/revisions\/27825"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/27046"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=27041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27041"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}