{"id":184351,"date":"2019-09-02T06:30:29","date_gmt":"2019-09-01T22:30:29","guid":{"rendered":"\/\/m.iemloyee.com\/?p=184351"},"modified":"2019-10-18T18:26:02","modified_gmt":"2019-10-18T10:26:02","slug":"%e3%80%90%e5%b7%b2%e6%a0%a1%e7%a8%bf%e3%80%91%e6%b8%85%e5%8d%8e%e5%a4%a7%e5%ad%a6%e7%8e%8b%e5%ae%9a%e8%83%9c%e6%95%99%e6%8e%88nature-communications%ef%bc%9a%e5%88%b6%e5%a4%87%e9%87%91%e5%b1%9e","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=184351","title":{"rendered":"\u6e05\u534e\u5927\u5b66\u738b\u5b9a\u80dc\u6559\u6388Nature Communications\uff1a\u5236\u5907\u91d1\u5c5e\u95f4\u7eb3\u7c73\u9897\u7c92\u6765\u8c03\u8282\u5bf9\u785d\u57fa\u82ef\u4e59\u7094\u52a0\u6c22\u7684\u9009\u62e9\u6027"},"content":{"rendered":"

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

\u94c2\uff08Pt\uff09\u50ac\u5316\u7684\u5bf9\u785d\u57fa\u82ef\u4e59\u7094\u7684\u785d\u57fa\u7684\u9009\u62e9\u6027\u52a0\u6c22\u5236\u5907\u6c28\u57fa\u82ef\u4e59\u7094\u662f\u751f\u4ea7\u6297\u764c\u836f\u5384\u6d1b\u66ff\u5c3c\u548c\u8367\u5149\u6807\u8bb0\u7684\u4e2d\u95f4\u4f53\u7684\u91cd\u8981\u8fc7\u7a0b\u3002\u7136\u800c\uff0c\u4f20\u7edf\u7684Pt\u50ac\u5316\u5242\u540c\u65f6\u5bf9\u7094\u57fa\u548c\u785d\u57fa\u8fdb\u884c\u52a0\u6c22\uff0c\u4f7f\u4ea7\u7269\u7684\u9009\u62e9\u6027\u5dee\u3002\u8c03\u8282Pt\u7684\u7535\u5b50\u7ed3\u6784\u662f\u4f18\u5316\u5176\u50ac\u5316\u9009\u62e9\u6027\u7684\u6709\u6548\u7b56\u7565\u3002\u6784\u9020\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u662f\u8c03\u8282\u7535\u5b50\u7ed3\u6784\u7684\u65b9\u6cd5\u4e4b\u4e00\uff0c\u4f46\u5f88\u5c11\u88ab\u4f7f\u7528\u3002<\/p>\n

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\u8fd1\u65e5\uff0c\u6e05\u534e\u5927\u5b66\u7684\u738b\u5b9a\u80dc\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba\u5728\u56fd\u9645\u671f\u520aNat. Commun.\u4e0a\u62a5\u9053\u4e86\u5b64\u7acb\u76f8\u90bb\u7684Pt\u539f\u5b50\u548c\u5f62\u6210Pt\u2013Zn\u91d1\u5c5e\u95f4\u7eb3\u7c73\u9897\u7c92\u6765\u6709\u6548\u8c03\u8282Pt\u50ac\u5316\u5242\u7684\u9009\u62e9\u6027\u3002\u8d1f\u8f7d\u5728\u6c2e\u63ba\u6742\u7684\u4e2d\u7a7a\u78b3\u7eb3\u7c73\u7ba1\u4e0a\u7684PtZn\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u00a0(PtZn\/HNCNT)\u662f\u901a\u8fc7\u727a\u7272\u6a21\u677f\u6cd5\u5236\u5907\u7684\u3002PtZn\/HNCNT\u5c06\u5bf9\u785d\u57fa\u82ef\u4e59\u7094\u9009\u62e9\u6027\u52a0\u6c22\u5236\u59074-\u4e59\u7094\u57fa\u82ef\u80fa\u7684\u50ac\u5316\u8f6c\u5316\u7387\u63d0\u9ad8\u81f3\u5927\u4e8e99%\uff0c\u9009\u62e9\u6027\u63d0\u9ad8\u81f399%\uff0c\u4f18\u4e8ePt\u5355\u539f\u5b50\u50ac\u5316\u5242(Pt\/HNCNT)\u548cPt\u7eb3\u7c73\u9897\u7c92(Pt\/CN)\u3002\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\u8868\u660e\u785d\u57fa\u7684\u5438\u9644\u7684\u6539\u5584\u5f52\u56e0\u4e8e\u950c\u539f\u5b50\uff0c\u785d\u57fa\u7684\u52a0\u6c22\u5728\u52a8\u529b\u5b66\u4e0a\u5f97\u5230\u4fc3\u8fdb\u662f\u56e0\u4e3aPt\u2013Zn\u91d1\u5c5e\u95f4\u7eb3\u7c73\u9897\u7c92\u3002<\/p>\n

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\"\"<\/p>\n

a.PtZn\/HNCNT\u7684\u5408\u6210\u7b56\u7565<\/p>\n

b\u2013d.PtZn\/HNCNT\u7684\u900f\u5c04\u7535\u955c\uff08TEM\uff09\u56fe\u50cf(b)\u3001\u9ad8\u89d2\u73af\u5f62\u6697\u573a\u626b\u63cf\u900f\u5c04\u7535\u955c\u00a0(HAADF STEM)\u56fe\u50cf(c)\u548c\u50cf\u5dee\u6821\u6b63\uff08AC\uff09HAADF STEM\u56fe\u50cf<\/p>\n

e.PtZn\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u7684\u6676\u4f53\u7ed3\u6784<\/p>\n

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\"\"<\/p>\n

a,\u00a0c.PtZn\/HNCNT\u3001Pt\/HNCNT\u3001Pt\/CN\u548cPt\u7247\u7684Pt L3<\/sub>-edge\u7684X\u5c04\u7ebf\u5438\u6536\u8fd1\u8fb9\u7ed3\u6784(XANES)\u00a0\u8c31\u56fe(a)\u548c\u5085\u7acb\u53f6\u53d8\u6362\u6269\u5c55X\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784(FT-EXAFS)(c)<\/p>\n

b,\u00a0d.PtZn\/HNCNT\u3001ZnO\u548cZn\u7247\u7684Zn K-edge\u7684XANES\u8c31\u56fe\u548cFT-EXAFS<\/p>\n

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\"\"<\/p>\n

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b.PtZn\/HNCNT\u3001Pt\/HNCNT\u3001\u4e2d\u7a7a\u7684\u6c2e\u63ba\u6742\u78b3\u7eb3\u7c73\u7ba1(HNCNT)\u3001Pt\/CN\u548cZnO\u7684\u50ac\u5316\u6027\u80fd<\/p>\n

\u56fe4.DFT\u8ba1\u7b97<\/p>\n

\"\"<\/p>\n

a,\u00a0b.Pt(111) (a)\u548cPtZn(022\u00af) (b)\u8868\u9762\u4e0a\u7684\u785d\u57fa\u548c\u7094\u57fa\u7684\u7b2c\u4e00\u521d\u6b65\u6c22\u5316\u53cd\u5e94\u9636\u6bb5<\/p>\n

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

Pt\u50ac\u5316\u5242\u7684\u9009\u62e9\u6027\u53ef\u4ee5\u901a\u8fc7\u5b64\u7acb\u76f8\u90bb\u7684Pt\u539f\u5b50\u548c\u5f62\u6210Pt\u2013Zn\u91d1\u5c5e\u95f4\u7eb3\u7c73\u9897\u7c92\u8fdb\u884c\u6709\u6548\u8c03\u8282\u3002PtZn\/HNCNT\u7684\u50ac\u5316\u9009\u62e9\u6027\uff0899%\uff09\u4f18\u4e8ePt\/HNCNT\u3002DFT\u8ba1\u7b97\u8868\u660e\u950c\u539f\u5b50\u63d0\u9ad8\u4e86\u785d\u57fa\u7684\u5438\u9644\u80fd\u529b\u548cPt\u2013Zn\u91d1\u5c5e\u95f4\u7eb3\u7c73\u9897\u7c92\u4fc3\u8fdb\u6c22\u539f\u5b50\u6269\u6563\u8def\u5f84\u3002\u8fd9\u9879\u5de5\u4f5c\u63d0\u4f9b\u4e86\u53ef\u884c\u7684\u8c03\u8282\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u9009\u62e9\u6027\u7684\u7b56\u7565\u6765\u83b7\u5f97\u6240\u9700\u4ea7\u7269\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aIsolating contiguous Pt atoms and forming Pt-Zn intermetallic nanoparticles to regulate selectivity in 4-nitrophenylacetylene hydrogenation<\/a><\/strong>\uff08Nat. Commun.\uff0c2019\uff0cDOI\uff1a10.1038\/s41467-019-11794-6\u00a0 \uff09<\/p>\n

\u672c\u6587\u7531kv1004\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u94c2\uff08Pt\uff09\u50ac\u5316\u7684\u5bf9\u785d\u57fa\u82ef\u4e59\u7094\u7684\u785d\u57fa\u7684\u9009\u62e9\u6027\u52a0\u6c22\u5236\u5907\u6c28\u57fa\u82ef\u4e59\u7094\u662f\u751f\u4ea7\u6297\u764c\u836f\u5384\u6d1b\u66ff\u5c3c\u548c\u8367\u5149\u6807\u8bb0\u7684\u4e2d\u95f4\u4f53\u7684\u91cd\u8981\u8fc7\u7a0b\u3002\u7136\u800c\uff0c\u4f20\u7edf\u7684Pt\u50ac\u5316\u5242\u540c\u65f6\u5bf9\u7094\u57fa\u548c\u785d\u57fa\u8fdb…<\/p>\n","protected":false},"author":1592,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-184351","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/184351"}],"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\/1592"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=184351"}],"version-history":[{"count":8,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/184351\/revisions"}],"predecessor-version":[{"id":184855,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/184351\/revisions\/184855"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=184351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=184351"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=184351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}