{"id":146983,"date":"2018-07-24T06:30:05","date_gmt":"2018-07-23T22:30:05","guid":{"rendered":"\/\/m.iemloyee.com\/?p=146983"},"modified":"2018-07-23T09:51:16","modified_gmt":"2018-07-23T01:51:16","slug":"%e6%b8%85%e5%8d%8e%e5%a4%a7%e5%ad%a6-nat-nanotech-%ef%bc%9a%e7%9b%b4%e6%8e%a5%e8%a7%82%e5%af%9f%e8%b4%b5%e9%87%91%e5%b1%9e%e7%ba%b3%e7%b1%b3%e7%b2%92%e5%ad%90%e8%bd%ac%e5%8f%98%e4%b8%ba%e7%83%ad","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=146983","title":{"rendered":"\u6e05\u534e\u5927\u5b66 Nat. Nanotech.\uff1a\u76f4\u63a5\u89c2\u5bdf\u8d35\u91d1\u5c5e\u7eb3\u7c73\u7c92\u5b50\u8f6c\u53d8\u4e3a\u70ed\u7a33\u5b9a\u7684\u5355\u539f\u5b50"},"content":{"rendered":"

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

\u57fa\u4e8e\u8d35\u91d1\u5c5e\u7684\u50ac\u5316\u5242\u5df2\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u5e94\u7528\uff0c\u4f46\u5176\u50a8\u91cf\u7a00\u7f3a\uff0c\u4f7f\u5f97\u76f8\u5173\u4ea7\u4e1a\u751f\u4ea7\u6210\u672c\u5347\u9ad8\u3002\u5c06\u8d35\u91d1\u5c5e\u5206\u6563\u6210\u8d85\u7ec6\u7eb3\u7c73\u7c92\u5b50\uff0c\u662f\u63d0\u9ad8\u5176\u6548\u7387\u548c\u50ac\u5316\u53cd\u5e94\u6027\u80fd\u7684\u6709\u6548\u7b56\u7565\u3002\u76ee\u524d\u539f\u5b50\u5206\u6563\u7684\u50ac\u5316\u5242\u56e0\u5176\u6700\u5927\u5316\u7684\u539f\u5b50\u5229\u7528\u7387\u548c\u72ec\u7279\u7684\u7ed3\u6784\u5f15\u8d77\u5b66\u8005\u7684\u6781\u5927\u5173\u6ce8\u3002\u4f46\u662f\uff0c\u8d85\u7ec6\u7eb3\u7c73\u9897\u7c92\u7531\u4e8e\u8868\u9762\u81ea\u7531\u80fd\u7684\u51cf\u5c11\uff0c\u5728\u9ad8\u6e29\u4e0b\u5177\u6709\u805a\u96c6\u6210\u8f83\u5927\u9897\u7c92\u7684\u8d8b\u52bf\u3002\u672c\u6587\u53d1\u73b0\u4e86\u4e00\u79cd\u53cd\u5e38\u7684\u73b0\u8c61\uff0c\u5373\u8d35\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\uff08Pd\uff0cPt\uff0cAu-NPs\uff09\u5728900\u2103\u4ee5\u4e0a\u60f0\u6027\u6c14\u6c1b\u4e2d\u53ef\u4ee5\u8f6c\u53d8\u4e3a\u70ed\u7a33\u5b9a\u5355\u539f\u5b50\uff08Pd\uff0cPt\uff0cAu-SAs\uff09\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6e05\u534e\u5927\u5b66<\/strong>\u7684\u674e\u4e9a\u680b\u9662\u58eb<\/strong>\u548c\u674e\u6cbb<\/strong>\uff08\u5171\u540c\u901a\u8baf<\/strong>\uff09\u7b49\u4eba\uff0c\u62a5\u9053\u4e86\u4e00\u79cd\u73b0\u8c61\uff1a\u5728900\u2103\u4ee5\u4e0a\uff0c\u8d35\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\uff08Pd\uff0cPt\uff0cAu-NPs\uff09\u60f0\u6027\u6c14\u6c1b\u4e2d\u53ef\u4ee5\u8f6c\u53d8\u4e3a\u70ed\u7a33\u5b9a\u5355\u539f\u5b50\uff08Pd\uff0cPt\uff0cAu-SAs\uff09\u3002\u901a\u8fc7SEM\u548cXRD\u8bc1\u5b9e\u4e86\u91d1\u5c5e\u5355\u539f\u5b50\u7684\u539f\u5b50\u5206\u6563\uff0c\u5e76\u7528\u539f\u4f4dTEM\u5b9e\u65f6\u89c2\u6d4b\u52a8\u6001\u8f6c\u5316\u8fc7\u7a0b\uff0c\u6b64\u5916\uff0c\u5bc6\u5ea6\u6cdb\u51fd\u6570\u7406\u8bba\u8ba1\u7b97\u8868\u660e\uff0c\u6c2e\u63ba\u6742\u78b3\u7684\u7f3a\u9677\u53ef\u4ee5\u6355\u83b7\u53ef\u79fb\u52a8\u7684Pd\u539f\u5b50\u65f6\uff0c\u5f62\u6210\u70ed\u529b\u5b66\u66f4\u7a33\u5b9a\u7684Pd-N4<\/sub>\u7ed3\u6784\uff0c\u4ece\u800c\u9a71\u52a8\u7740NP\u5411SA\u8f6c\u5316\u3002\u70ed\u7a33\u5b9a\u5355\u539f\u5b50\uff08Pd-SAs\uff09\u8868\u73b0\u51fa\u6bd4\u7eb3\u7c73\u9897\u7c92\uff08Pd-NPs\uff09\u66f4\u597d\u7684\u6d3b\u6027\u548c\u9009\u62e9\u6027\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cDirect observation of noble metal nanoparticles transforming to thermally stable single atoms<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nat. Nanotech.<\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe<\/strong> 1 Pd<\/strong>\u7eb3\u7c73\u9897\u7c92\u9ad8\u6e29\u8f6c\u5316\u6210\u5355\u539f\u5b50\u793a\u610f\u56fe\u53ca\u5176\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a-d\uff09Pd\u7eb3\u7c73\u9897\u7c92\u8f6c\u5316\u6210\u5355\u539f\u5b50\u793a\u610f\u56fe\u53ca\u5176\u900f\u5c04\u56fe\uff1b<\/p>\n

\uff08e\uff09Pd-SAs\u7684\u5143\u7d20Mapping\u56fe\uff1b<\/p>\n

\uff08f\uff09Pd-SAs\u7684\u539f\u5b50\u5206\u8fa8HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

\uff08g\uff09Pd-SAs\u548cPd-NPs\u7684EXAFS\u66f2\u7ebf\u3002<\/p>\n

\u56fe\u00a0<\/strong>2 Pt<\/strong>\u548c<\/strong>Au<\/strong>\u7684\u5355\u539f\u5b50\u8f6c\u53d8\u53ca\u5176\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09Pt-NPs\u7684\u539f\u5b50\u5206\u8fa8HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

\uff08b\uff09Pt-SAs\u7684\u539f\u5b50\u5206\u8fa8HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

\uff08c\uff09Pt-SAs\u548cPd-NPs\u7684EXAFS\u66f2\u7ebf\uff1b<\/p>\n

\uff08d\uff09Au-NPs\u7684\u539f\u5b50\u5206\u8fa8HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

\uff08e\uff09Au-SAs\u7684\u539f\u5b50\u5206\u8fa8HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

\uff08f\uff09Au-SAs\u548cPd-NPs\u7684EXAFS\u66f2\u7ebf\u3002<\/p>\n

\u56fe\u00a0<\/strong>3 <\/strong>\u7eb3\u7c73\u9897\u7c92\u5f62\u8c8c\u8868\u5f81\u53ca\u7406\u8bba\u8ba1\u7b97<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7eb3\u7c73\u9897\u7c92\u7684E-TEM\u56fe\uff1b<\/p>\n

\uff08b\uff09\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7eb3\u7c73\u9897\u7c92\u5e73\u5747\u76f4\u5f84\u53ca\u9897\u7c92\u6570\u66f2\u7ebf\u56fe\uff1b<\/p>\n

\uff08c\uff091000\u2103\u4e0b\uff0c\u5e73\u5747\u76f4\u5f84\u548c\u9897\u7c92\u6570\u4e0e\u70ed\u89e3\u65f6\u95f4\u66f2\u7ebf\u56fe\uff1b<\/p>\n

\uff08d\uff09DFT\u7406\u8bba\u6a21\u62df\u8ba1\u7b97\u56fe\u3002<\/p>\n

\u56fe\u00a0<\/strong>4 <\/strong>\u4e0d\u540c\u50ac\u5316\u5242\u7684\u4e59\u7094\u534a\u6c22\u5316\u6027\u80fd<\/strong><\/p>\n

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

\uff08a\uff09\u4e0d\u540cPd\u50ac\u5316\u5242\u7684\u4e59\u7094\u8f6c\u5316\u6027\u80fd\u66f2\u7ebf\u56fe\uff1b<\/p>\n

\uff08b\uff09\u4e0d\u540cPd\u50ac\u5316\u5242\u7684\u4e59\u7094\u9009\u62e9\u6027\u80fd\u66f2\u7ebf\u56fe\u3002<\/p>\n

\u56fe\u00a0<\/strong>5 <\/strong>\u4e59\u7094\u534a\u6c22\u5316\u8fc7\u7a0b\u7406\u8bba\u8ba1\u7b97<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09Pd\u5355\u539f\u5b50\u4e0a\u4e59\u7094\u4e0e\u4e59\u70f7\u9010\u6b65\u52a0\u6c22\u673a\u7406\u7684\u80fd\u91cf\u5206\u5e03\u53ca\u76f8\u5e94\u7ed3\u6784\uff1b<\/p>\n

\uff08b\uff09Pd\uff08111\uff09\u8868\u9762\u4e59\u7094\u4e0e\u4e59\u70f7\u9010\u6b65\u52a0\u6c22\u673a\u7406\u7684\u80fd\u91cf\u5206\u5e03\u53ca\u76f8\u5e94\u7ed3\u6784\u3002<\/p>\n

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

\u672c\u6587\u7814\u7a76\u4e86\u8d35\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\uff08Pd\uff0cPt\uff0cAu-NPs\uff09\uff0c\u5728900\u2103\u4ee5\u4e0a\u60f0\u6027\u6c14\u6c1b\u4e2d\u53ef\u4ee5\u8f6c\u53d8\u4e3a\u70ed\u7a33\u5b9a\u5355\u539f\u5b50\uff08Pd\uff0cPt\uff0cAu-SAs\uff09\u3002\u901a\u8fc7SEM\u548cXRD\u8bc1\u5b9e\u4e86\u91d1\u5c5e\u5355\u539f\u5b50\u7684\u539f\u5b50\u5206\u6563\uff0c\u5e76\u7528\u539f\u4f4dTEM\u5b9e\u65f6\u89c2\u6d4b\u52a8\u6001\u8f6c\u5316\u8fc7\u7a0b\uff0c\u5229\u7528DFT\u6a21\u62df\u8ba1\u7b97\u6df1\u5165\u89e3\u91ca\u4e86\u5176\u8f6c\u5316\u7684\u673a\u7406\u3002\u8fd9\u9879\u7814\u7a76\u4e3a\u5f00\u53d1\u5177\u6709\u9ad8\u5ea6\u70ed\u7a33\u5b9a\u6027\u7684\u8d35\u91d1\u5c5e\u5355\u539f\u5b50\u50ac\u5316\u5242\u5f00\u8f9f\u4e86\u65b0\u9053\u8def\uff01<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Direct observation of noble metal nanoparticles transforming to thermally stable single atoms<\/a>\uff08Nat. Nanotech.\uff0c2018\uff0cDOI\uff1a10.1038\/s41565-018-0197-9\uff09<\/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\u7bb1<\/strong>tougao@cailiaoren.com<\/strong>\u3002<\/p>\n

\u6750\u6599\u4eba\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu<\/strong>\u3002<\/p>\n

\u6750\u6599\u725b\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\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/strong><\/a>\u3002<\/p>\n

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

\u3010\u5f15\u8a00\u3011 \u57fa\u4e8e\u8d35\u91d1\u5c5e\u7684\u50ac\u5316\u5242\u5df2\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u5e94\u7528\uff0c\u4f46\u5176\u50a8\u91cf\u7a00\u7f3a\uff0c\u4f7f\u5f97\u76f8\u5173\u4ea7\u4e1a\u751f\u4ea7\u6210\u672c\u5347\u9ad8\u3002\u5c06\u8d35\u91d1\u5c5e\u5206\u6563\u6210\u8d85\u7ec6\u7eb3\u7c73\u7c92\u5b50\uff0c\u662f\u63d0\u9ad8\u5176\u6548\u7387\u548c\u50ac\u5316\u53cd\u5e94\u6027\u80fd\u7684\u6709\u6548\u7b56\u7565\u3002\u76ee\u524d…<\/p>\n","protected":false},"author":7035,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[3402,116],"class_list":["post-146983","post","type-post","status-publish","format-standard","hentry","category-jiedu","tag-dft","tag-catalyst"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/146983"}],"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\/7035"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=146983"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/146983\/revisions"}],"predecessor-version":[{"id":147413,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/146983\/revisions\/147413"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=146983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=146983"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=146983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}