{"id":90971,"date":"2017-07-15T06:30:57","date_gmt":"2017-07-14T22:30:57","guid":{"rendered":"\/\/m.iemloyee.com\/?p=90971"},"modified":"2017-07-12T18:51:34","modified_gmt":"2017-07-12T10:51:34","slug":"%e8%8b%8f%e5%b7%9e%e5%a4%a7%e5%ad%a6%e9%bb%84%e5%b0%8f%e9%9d%92jacs-ptpb%e9%87%91%e5%b1%9e%e9%97%b4%e5%8c%96%e5%90%88%e7%89%a9ptni%e5%8e%9f%e5%ad%90%e5%b1%82%e7%bc%94%e7%bb%93%e8%89%af","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=90971","title":{"rendered":"\u82cf\u5dde\u5927\u5b66\u9ec4\u5c0f\u9752JACS.\uff1aPtPb(\u91d1\u5c5e\u95f4\u5316\u5408\u7269)\/PtNi(\u539f\u5b50\u5c42)\u201c\u7f14\u7ed3\u826f\u7f18\u201d\u5b9e\u73b0\u5bf9\u6c27\u8fd8\u539f\u7684\u9ad8\u6548\u50ac\u5316"},"content":{"rendered":"

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

\u71c3\u6599\u7535\u6c60\u56e0\u5176\u9ad8\u6548\u6027\u3001\u8f7b\u5de7\u4fbf\u643a\u6027\u3001\u73af\u5883\u53cb\u597d\u6027\u7b49\u4f18\u70b9\u5728\u5546\u4e1a\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528,Pt\u57fa\u6750\u6599\u4f5c\u4e3a\u9634\u6781\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u7535\u50ac\u5316\u5242\uff0c\u867d\u7136\u50ac\u5316\u6027\u80fd\u4f18\u5f02\uff0c\u4f46\u5176\u6210\u672c\u8f83\u9ad8\uff0c\u56e0\u800c\u5236\u7ea6\u4e86\u5b83\u7684\u5b9e\u9645\u5e94\u7528\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u5404\u7814\u7a76\u5b66\u8005\u5bf9Pt\u548c\u8fc7\u6e21\u91d1\u5c5e\u5408\u91d1\u76f8\u8fdb\u884c\u4e86\u5927\u91cf\u7814\u7a76\uff0c\u53d1\u73b0\u4e86\u4ee5\u4e0b\u73b0\u8c61\uff1a\uff081\uff09\u5408\u91d1\u76f8\u7684Pt-Ni NCs\u5728\u5404\u65b9\u9762\u8868\u73b0\u66f4\u4e3a\u7a81\u51fa\uff1b\uff082\uff09\u5177\u6709\u8d85\u8584Pt\u5c42\u7684\u6838\u58f3\u7ed3\u6784\u65e2\u964d\u4f4ePt\u7684\u4f7f\u7528\uff0c\u53c8\u53ef\u6709\u6548\u589e\u5f3a\u5bf9ORR\u7684\u50ac\u5316\u6027\u80fd\u548c\u5bff\u547d,\u4f46\u5355\u4e00\u7ec4\u5206\u7684\u6838\u6216\u58f3\u5c42\u9650\u5236\u4e86ORR\u589e\u5f3a\u6548\u5e94\u7684\u6d3b\u6027\u548c\u5bff\u547d\u3002\u56e0\u6b64\uff0c\u5982\u4f55\u6709\u6548\u8c03\u63a7Pt-\u57fa\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u7684\u5f62\u8c8c\u3001\u7ed3\u6784\u548c\u7535\u5b50\u6548\u5e94\uff0c\u5408\u7406\u5730\u5c06\u5316\u5b66\u7ed3\u6784\u7a33\u5b9a\u7684PtM\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u4e0e\u9ad8\u6d3b\u6027\u7684PtNi\u7ed3\u5408\uff0c\u5b9e\u73b0\u8868\u9762\u7ec4\u5206\u3001\u66b4\u9732\u9762\u3001\u5185\u90e8\u7ed3\u6784\u7684\u8054\u5408\u8c03\u63a7\uff0c\u4f9d\u7136\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u6311\u6218\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u82cf\u5dde\u5927\u5b66\u9ec4\u5c0f\u9752\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\u8bfe\u9898\u7ec4<\/strong>\u5728JACS.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u540d\u4e3a\u201cPtPb\/PtNi Intermetallic Core\/Atomic Layer Shell Octahedra for Efficient Oxygen Reduction Electrocatalysis<\/strong>\u201d\u7684\u6587\u7ae0\uff0c\u7814\u7a76\u4eba\u5458\u4f7f\u7528\u6e7f\u5316\u5b66\u65b9\u6cd5\u9996\u6b21\u5408\u6210\u91d1\u5c5e\u95f4\u5316\u5408\u7269Pt-Pb-Ni\u6b63\u516b\u9762\u4f53\u3002\u5177\u6709\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u6838\u548c\u9ad8\u6d3b\u6027\u8868\u9762\u7ec4\u5206\u7684PtPb1.12<\/sub>Ni0.14<\/sub>\u6b63\u516b\u9762\u4f53\u6709\u6548\u589e\u5f3a\u4e86\u6c27\u8fd8\u539f\u7535\u50ac\u5316\u4f5c\u7528\uff0c\u5176\u9762\u79ef\u6bd4\u6d3b\u6027\u548c\u8d28\u91cf\u6bd4\u6d3b\u6027\u5206\u522b\u7ea6\u4e3a\u5546\u4e1a\u5316Pt\/C\u768420\u500d\u300111\u500d\uff0c\u4e14\u5728\u6301\u7eed15000\u6b21\u5faa\u73af\u4f7f\u7528\u540e\u6d3b\u6027\u5ea6\u4e0b\u964d\u751a\u5fae\u3002\u5bf9\u71c3\u6599\u7535\u6c60\u800c\u8a00\uff0c\u8fd9\u79cd\u6027\u80fd\u589e\u5f3a\u7684Pt-\u57fa\u7535\u50ac\u5316\u5242\u65e0\u7591\u662f\u4e00\u79cd\u5f88\u597d\u7684\u9009\u62e9\u3002<\/p>\n

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

\u56fe\u4e00 PtPb\u6b63\u516b\u9762\u4f53\u7684\u751f\u957f\u673a\u5236<\/strong><\/p>\n

\"\"<\/p>\n

(a-e) \u4e0d\u540c\u53cd\u5e94\u65f6\u95f4\u6bb5Pt-Pb\u7684TEM\u56fe\u50cf, (a) 0.5h, (b) 1h, (c) 3h, (d) 5h, (e) 6h\uff1b<\/p>\n

(f) \u4e0d\u540c\u53cd\u5e94\u65f6\u95f4\u6bb5Pt-Pb\u7684SEM-EDS\u56fe\u8c31\uff1b<\/p>\n

(g) \u53cd\u5e94\u8fc7\u7a0b\u4e2dPt-Pb\u6b63\u516b\u9762\u4f53\u7684Pt\/Pb\u539f\u5b50\u6bd4\u7387\u53d8\u5316\u66f2\u7ebf(ICP-AES)\uff1b<\/p>\n

(h) \u4e0d\u540c\u53cd\u5e94\u65f6\u95f4\u7684Pt-Pb\u6b63\u516b\u9762\u4f53\u7684PXRD\u56fe\u8c31\uff1b<\/p>\n

\u56fe\u4e8c<\/strong> PtPb1.03<\/sub>Ni0.05<\/sub>, PtPb1.07<\/sub>Ni0.10<\/sub>, PtPb1.12<\/sub>Ni0.14<\/sub><\/strong>\u6b63\u516b\u9762\u4f53\u7684\u5f62\u8c8c\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a, b) PtPb1.03<\/sub>Ni0.05<\/sub>\u6b63\u516b\u9762\u4f53\u7684TEM\u56fe\u50cf\u548c\u5143\u7d20\u6620\u5c04\u56fe\u8c31\uff0c\u5185\u90e8\u9644\u56fe\u662fHAADF-STEM\u56fe\u8c31\uff1b<\/p>\n

(c, d) PtPb1.07<\/sub>Ni0.10<\/sub>\u6b63\u516b\u9762\u4f53\u7684TEM\u56fe\u50cf\u548c\u5143\u7d20\u6620\u5c04\u56fe\u8c31\uff0c\u5185\u90e8\u9644\u56fe\u662fHAADF-STEM\u56fe\u8c31\uff1b<\/p>\n

(e, f) PtPb1.12<\/sub>Ni0.14<\/sub>\u6b63\u516b\u9762\u4f53\u7684TEM\u56fe\u50cf\u548c\u5143\u7d20\u6620\u5c04\u56fe\u8c31\uff0c\u5185\u90e8\u9644\u56fe\u662fHAADF-STEM\u56fe\u8c31\u3002<\/p>\n

\u56fe\u4e09<\/strong> PtPb1.03<\/sub>Ni0.05<\/sub>, PtPb1.07<\/sub>Ni0.10<\/sub>, PtPb1.12<\/sub>Ni0.14<\/sub><\/strong>\u6b63\u516b\u9762\u4f53\u7684\u7ed3\u6784\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

(a, d, g) TEM\u56fe\u50cf\uff1b<\/p>\n

(b, e, h) HRTEM\u56fe\u50cf\uff1b<\/p>\n

(c, f, i) HAADF-STEM\u56fe\u8c31\uff1b<\/p>\n

(a-c) PtPb1.03<\/sub>Ni0.05<\/sub>\u6b63\u516b\u9762\u4f53, (d-f) PtPb1.07<\/sub>Ni0.10<\/sub>\u6b63\u516b\u9762\u4f53, (g-i) PtPb1.12<\/sub>Ni0.14<\/sub>\u6b63\u516b\u9762\u4f53\u3002<\/p>\n

\u56fe\u56db<\/strong> \u4e0d\u540c\u7535\u6781\u6750\u6599\u7684<\/strong>ORR<\/strong>\u6027\u80fd\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u57280.1M HClO4<\/sub>\u4e2d\u4e0d\u540c\u7535\u50ac\u5316\u5242\u7684CVs\u66f2\u7ebf\uff1b<\/p>\n

(b) \u4e0d\u540c\u7535\u50ac\u5316\u5242\u7684ESCA\u7edf\u8ba1\u76f4\u65b9\u56fe\uff1b<\/p>\n

(c) \u4e0d\u540c\u7535\u50ac\u5316\u5242\u7684ORR\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

(d) \u4e0d\u540c\u50ac\u5316\u5242\u7684\u8d28\u91cf\u6bd4\u6d3b\u6027\u56fe\u548c\u9762\u79ef\u6bd4\u6d3b\u6027\u56fe\u3002<\/p>\n

\u56fe\u4e94<\/strong> PtPb1.12<\/sub>Ni0.14<\/sub><\/strong>\u6b63\u516b\u9762\u4f53<\/strong>\/C<\/strong>\u3001<\/strong>PtPb<\/strong>\u6b63\u516b\u9762\u4f53<\/strong>\/C<\/strong>\u7684<\/strong>ORR<\/strong>\u8010\u4e45\u6027\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

(a) PtPb1.12<\/sub>Ni0.14<\/sub>\u6b63\u516b\u9762\u4f53\/C\u7684ORR\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

(b) \u4e0d\u540c\u5faa\u73af\u6b21\u6570\u540ePtPb1.12<\/sub>Ni0.14<\/sub>\u6b63\u516b\u9762\u4f53\/C\u7684\u8d28\u91cf\u6bd4\u6d3b\u6027\u548c\u9762\u79ef\u6bd4\u6d3b\u6027\uff1b<\/p>\n

(c) Pt\u6b63\u516b\u9762\u4f53\/C\u7684ORR\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

(d) \u4e0d\u540c\u5faa\u73af\u6b21\u6570\u540ePtPb\u6b63\u516b\u9762\u4f53\/C\u7684\u8d28\u91cf\u6bd4\u6d3b\u6027\u548c\u9762\u79ef\u6bd4\u6d3b\u6027\uff1b<\/p>\n

(e, f) \u5faa\u73af15000\u6b21\u540ePtPb1.12<\/sub>Ni0.14<\/sub>\u6b63\u516b\u9762\u4f53\/C\u7684HAADF-STEM\u548c\u5143\u7d20\u6620\u5c04\u56fe\u50cf\u3002<\/p>\n

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

\u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u79cd\u7b80\u5355\u6613\u884c\u7684\u6e7f\u5316\u5b66\u65b9\u6cd5\uff0c\u7528\u4e8e\u5408\u6210\u5f62\u8c8c\u3001\u5c3a\u5bf8\u3001\u7ec4\u5206\u6709\u6548\u53ef\u63a7\u7684PtPb\uff0cPt1.21<\/sub>Pb\uff0cPtPb1.03<\/sub>Ni0.05<\/sub>\uff0cPtPb1.07<\/sub>Ni0.10<\/sub>\uff0cPtPb1.12<\/sub>Ni0.14<\/sub>\u91d1\u5c5e\u95f4\u5316\u5408\u7269NCs\u3002PtPb\/PtNi\u6838\u58f3\u7ed3\u6784\u7684PtPb1.12<\/sub>Ni0.14<\/sub>\u6b63\u516b\u9762\u4f53NCs\u5177\u6709\u7a81\u51fa\u7684\u7a33\u5b9a\u6027\u548c\u8010\u4e45\u6027\uff0c\u5176\u50ac\u5316\u6027\u80fd\u4e0d\u4ec5\u4f18\u4e8ePtPb\u6b63\u516b\u9762\u4f53\u3001PtPb\/Pb\u6838\u58f3\u6b63\u516b\u9762\u4f53NCs\uff0c\u66f4\u662fPt\/C NCs\u8d28\u91cf\u6bd4\u6d3b\u6027\u3001\u9762\u79ef\u6bd4\u6d3b\u6027\u768411\u500d\u300120\u500d\uff0c\u662f\u76ee\u524d\u6700\u6709\u524d\u666fORR\u7535\u50ac\u5316\u5242\u3002\u7814\u7a76\u8005\u4eec\u671f\u671b\u4ee5\u6b64\u63a8\u52a8Pt-\u57faNCs\u7ed3\u6784\u3001\u76f8\u3001\u8868\u9762\u7ec4\u5206\u53ef\u63a7\u7684\u8bbe\u8ba1\u7814\u7a76\uff0c\u5b9e\u73b0\u5728\u975e\u5747\u76f8\u53cd\u5e94\u3001\u71c3\u6599\u7535\u6c60\u53ca\u66f4\u591a\u9886\u57df\u7684\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>PtPb\/PtNi Intermetallic Core\/Atomic Layer Shell Octahedra for Efficient Oxygen Reduction Electrocatalysis<\/a> (JACS., 2017, DOI: 10.1021\/jacs.7b03510)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u6731\u559c\u6708\u7f16\u8bd1\uff0c\u8d75\u98de\u9f99\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

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

\u3010\u5f15\u8a00\u3011 \u71c3\u6599\u7535\u6c60\u56e0\u5176\u9ad8\u6548\u6027\u3001\u8f7b\u5de7\u4fbf\u643a\u6027\u3001\u73af\u5883\u53cb\u597d\u6027\u7b49\u4f18\u70b9\u5728\u5546\u4e1a\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528,Pt\u57fa\u6750\u6599\u4f5c\u4e3a\u9634\u6781\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u7535\u50ac\u5316\u5242\uff0c\u867d\u7136\u50ac\u5316\u6027\u80fd\u4f18\u5f02\uff0c\u4f46\u5176\u6210\u672c\u8f83…<\/p>\n","protected":false},"author":230,"featured_media":90976,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,2],"tags":[54],"class_list":["post-90971","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","category-keji","tag-making"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/90971"}],"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\/230"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=90971"}],"version-history":[{"count":3,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/90971\/revisions"}],"predecessor-version":[{"id":91178,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/90971\/revisions\/91178"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/90976"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=90971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=90971"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=90971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}