{"id":79904,"date":"2017-05-11T06:30:51","date_gmt":"2017-05-10T22:30:51","guid":{"rendered":"\/\/m.iemloyee.com\/?p=79904"},"modified":"2017-05-08T22:59:23","modified_gmt":"2017-05-08T14:59:23","slug":"%e4%bf%9e%e4%b9%a6%e5%ae%8fenergy-environ-sci-%e9%ab%98%e6%95%88%e5%82%ac%e5%8c%96%e6%96%b0%e9%80%89%e6%8b%a9-%e5%85%b7%e6%9c%89%e5%88%86%e5%ad%90%e5%8f%af3d%e6%8e%a5%e8%a7%a6%e5%92%8c%e9%87%8d","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=79904","title":{"rendered":"\u4fde\u4e66\u5b8fEnergy Environ. Sci.: \u9ad8\u6548\u50ac\u5316\u65b0\u9009\u62e9-\u5177\u6709\u5206\u5b50\u53ef3D\u63a5\u89e6\u548c\u91cd\u6784\u8868\u9762\u7684\u9ad8\u5ea6\u7ed3\u6676PtCu\u7eb3\u7c73\u7ba1"},"content":{"rendered":"

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

\u8d35\u91d1\u5c5e(\u4f8b\u5982Pt)\u88ab\u5e7f\u6cdb\u7528\u4f5c\u9ad8\u6548\u50ac\u5316\u5242\u7ec4\u5206\uff0c\u7136\u800cPt\u7684\u9ad8\u8d1f\u8f7d\u91cf\u3001\u9ad8\u6210\u672c\u548c\u8010\u4e45\u6027\u4e25\u91cd\u963b\u788d\u4e86\u5176\u5546\u4e1a\u5316\u5e94\u7528\uff0c\u56e0\u6b64\u63d0\u9ad8\u5176\u5229\u7528\u6548\u7387\u548c\u7a33\u5b9a\u6027\u6210\u4e3a\u4e86\u50ac\u5316\u9886\u57df\u7814\u7a76\u7684\u70ed\u70b9\u3002\u901a\u5e38\uff0c\u50ac\u5316\u5242\u7684\u6027\u80fd\u8c03\u63a7\u624b\u6bb5\u4e3b\u8981\u5305\u62ec\u51cf\u5c0f\u9897\u7c92\u5c3a\u5bf8\u3001\u63a7\u5236\u539f\u5b50\u6c34\u5e73\u7684\u5f62\u72b6\u4ee5\u53ca\u7cbe\u7ec6\u8bbe\u8ba1\u8868\u9762\u7ed3\u6784\u3002\u8fd1\u5e74\u6765\uff0c\u5177\u6709\u5f00\u5b54\u7eb3\u7c73\u7ed3\u6784(\u7eb3\u7c73\u7b3c\u3001\u7eb3\u7c73\u4e2d\u7a7a\u7403\u3001\u7eb3\u7c73\u6846\u67b6\u7b49)\u7684\u50ac\u5316\u5242\u56e0\u5176\u9ad8\u6bd4\u8868\u9762\u79ef\u3001\u5927\u7684\u5b54\u9699\u7a7a\u95f4\u548c\u53cd\u5e94\u7269\u53ef3D\u63a5\u89e6\u7684\u6d3b\u6027\u8868\u9762\uff0c\u6709\u6548\u5730\u63d0\u9ad8\u4e86\u50ac\u5316\u6d3b\u6027\u539f\u5b50\u7684\u5229\u7528\u7387\uff0c\u56e0\u800c\u5f97\u5230\u4e86\u7814\u7a76\u8005\u4eec\u7684\u5e7f\u6cdb\u5173\u6ce8\u3002\u4e00\u7ef4\u6750\u6599\uff0c\u7279\u522b\u662f\u7eb3\u7c73\u7ba1\uff0c\u53ef\u6709\u6548\u963b\u6b62\u56e2\u805a\u5e76\u4e14\u5728\u5185\u5916\u8868\u9762\u540c\u65f6\u63d0\u4f9b\u50ac\u5316\u6d3b\u6027\u4f4d\u70b9\uff0c\u56e0\u6b64\u5408\u7406\u8bbe\u8ba1\u548c\u4fbf\u6377\u5236\u5907Pt\u57fa\u7684\u7eb3\u7c73\u7ba1\u6709\u671b\u63d0\u5347Pt\u7684\u5229\u7528\u6548\u7387\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n

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

\u8fd1\u671f\uff0c\u4e2d\u56fd\u79d1\u6280\u5927\u5b66\u4fde\u4e66\u5b8f\u6559\u6388<\/strong>(<\/strong>\u901a\u8baf\u4f5c\u8005<\/strong>)<\/strong>\u7b49\u4eba\u4ee5\u201cHighly crystalline PtCu nanotubes with three dimensional molecular accessible and restructured surface for efficient catalysis<\/strong>\u201d\u4e3a\u9898\u5728\u80fd\u6e90\u9886\u57df\u9876\u5c16\u671f\u520aEnergy Environ. Sci.<\/strong>\u5728\u7ebf\u53d1\u8868\u4e86\u5173\u4e8ePtCu\u7eb3\u7c73\u7ba1\u5236\u5907\u53ca\u7535\u50ac\u5316\u6027\u80fd\u7814\u7a76\u7684\u6700\u65b0\u6210\u679c\u3002\u7814\u7a76\u56e2\u961f\u901a\u8fc7\u6a21\u677f\u6cd5\u5236\u5907\u4e86\u5177\u6709\u5f00\u5b54\u7ed3\u6784\u7684PtCu\u7eb3\u7c73\u7ba1\uff0c\u5e76\u901a\u8fc7\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c(TEM)\u8868\u5f81\u4e86\u5176\u5fae\u89c2\u7ed3\u6784\u3002\u5c06PtCu\u7eb3\u7c73\u7ba1\u7528\u4e8e\u50ac\u5316\u7532\u9187\u6c27\u5316\u53cd\u5e94(MOR)\u663e\u793a\u51fa\u4e86\u4f18\u5f02\u7684\u7535\u50ac\u5316\u7279\u6027\uff0c\u8d28\u91cf\u6bd4\u6d3b\u6027\u548c\u9762\u79ef\u6bd4\u6d3b\u6027\u5206\u522b\u8fbe\u52302252 mA mg-1<\/sup>\u548c6.09 mA cm-2<\/sup>\uff0c\u8fdc\u9ad8\u4e8ePt\/C\u50ac\u5316\u5242\u3002\u53e6\u5916\uff0cPtCu\u7eb3\u7c73\u7ba1\u5177\u6709\u5f88\u597d\u7684\u518d\u751f\u6027\u80fd\uff0c\u7b80\u5355\u7684\u518d\u6210\u7a0b\u5e8f\u5373\u53ef\u4f7f\u5176\u6d3b\u6027\u6062\u590d\u751a\u81f3\u8d85\u8fc7\u5176\u521d\u59cb\u6c34\u5e73\u3002PtCu\u7eb3\u7c73\u7ba1\u72ec\u7279\u7684\u7ed3\u6784\u3001\u4f18\u5f02\u7684\u7535\u50ac\u5316\u6027\u80fd\u548c\u826f\u597d\u7684\u518d\u751f\u6027\u80fd\u4f7f\u5f97\u5176\u5728\u76f4\u63a5\u7532\u9187\u71c3\u6599\u7535\u6c60(DMFC)\u4e2d\u975e\u5e38\u5177\u6709\u5e94\u7528\u6f5c\u529b\u3002<\/p>\n

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

\u56fe<\/strong>1<\/strong>\uff1a<\/strong>PtCu<\/strong>\u7eb3\u7c73\u7ba1\u7684\u5fae\u89c2\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

(A)Pt1<\/sub>Cu1<\/sub>-AA\u7eb3\u7c73\u7ba1\u7684TEM\u56fe\uff1b<\/p>\n

(B)Pt1<\/sub>Cu1<\/sub>-AA\u7eb3\u7c73\u7ba1\u7684\u653e\u5927TEM\u56fe\u3002\u5176\u4e2d\u7684\u63d2\u56fe\u662f\u9009\u533a\u7535\u5b50\u884d\u5c04(SAED)\u82b1\u6837\uff1b<\/p>\n

(C)\u7531\u9ad8\u5ea6\u7ed3\u6676\u7684\u7eb3\u7c73\u9897\u7c92\u7ec4\u6210\u7684\u7eb3\u7c73\u7ba1\u7684\u9ad8\u5206\u8fa8\u7387\u6295\u5c04\u7535\u5b50\u663e\u5fae\u955c(HRTEM)\u56fe\u3002(i-iv)\u662f(C)\u4e2d\u65b9\u6846i\u3001ii\u3001iii\u3001iv\u6240\u6807\u6ce8\u533a\u57df\u7684\u653e\u5927HRTEM\u56fe\u3002\u6676\u683c\u7ed3\u6784\u548c\u5feb\u901f\u5085\u7acb\u53f6\u53d8\u6362(FFT)\u82b1\u6837(i-iv\u4e2d\u7684\u63d2\u56fe)\u8868\u660e\u7eb3\u7c73\u9897\u7c92\u4e3a\u5355\u6676\uff1b<\/p>\n

(D)\u7eb3\u7c73\u7ba1\u7684STEM\u56fe\u548c\u9ad8\u5206\u8fa8\u7387STEM-EDS\u5143\u7d20\u5206\u5e03\u56fe\uff0c\u663e\u793aPt\u548cCu\u5143\u7d20\u5448\u5747\u5300\u5206\u5e03\u3002\u56fe\u4e2d\u6807\u5c3a\u4e3a50nm\uff1b<\/p>\n

(E)Pt1<\/sub>Cu1<\/sub>-AA\u7eb3\u7c73\u7ba1\u7684HRTEM\u56fe\u3002\u56fe\u4e2d\u7684\u9ec4\u7ebf\u4ee3\u8868\u7eb3\u7c73\u9897\u7c92\u5806\u53e0\u5f62\u6210\u7684\u53cd\u5e94\u7269\u8fdb\u5165\u7684\u901a\u9053\u548c\u5b54\u6d1e\uff1b<\/p>\n

(F)\u7eb3\u7c73\u7ba1\u7684\u65ad\u9762TEM\u56fe\u3002\u56fe\u4e2d\u9ec4\u7ebf\u4ee3\u8868\u65ad\u88c2\u8fb9\u754c\u3002<\/p>\n

\u56fe<\/strong>2<\/strong>\uff1a<\/strong>PtCu<\/strong>\u7eb3\u7c73\u7ba1\u7684\u7535\u50ac\u5316\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u57280.5 M\u786b\u9178+1.0 M\u7532\u9187\u6eb6\u6db2\u4e2d\uff0c\u626b\u63cf\u901f\u7387\u4e3a50 mV s-1<\/sup>\u65f6\uff0cPtCu\u7eb3\u7c73\u7ba1\u548cPt\/C\u7528\u4f5cMOR\u50ac\u5316\u5242\u7684\u5faa\u73af\u4f0f\u5b89(CV)\u66f2\u7ebf\uff1b<\/p>\n

(B)\u76f8\u5173\u50ac\u5316\u5242\u7684\u8d28\u91cf\u6bd4\u6d3b\u6027\u548c\u9762\u79ef\u6bd4\u6d3b\u6027\u7684\u5bf9\u6bd4\uff1b<\/p>\n

(C-D)\u6587\u732e\u62a5\u9053\u7684Pt\u57faMOR\u50ac\u5316\u5242\u7684\u8d28\u91cf\u6bd4\u6d3b\u6027(C)\u548c\u9762\u79ef\u6bd4\u6d3b\u6027(D)\u7684\u6bd4\u8f83\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\uff1a<\/strong>PtCu<\/strong>\u7eb3\u7c73\u7ba1\u7684\u518d\u751f\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u8d28\u91cf\u6bd4\u6d3b\u6027\u968f\u518d\u751f\u65f6\u95f4\u7684\u53d8\u5316\uff1b<\/p>\n

(B)\u7535\u5316\u5b66\u8868\u9762\u79ef(ECSA)\u968f\u518d\u751f\u65f6\u95f4\u7684\u53d8\u5316\u3002<\/p>\n

\u4e8c\u8005\u521d\u59cb\u503c\u5747\u5b9a\u4e49\u4e3a100%\u3002\u7b2c\u4e00\u6b21\u7a33\u5b9a\u6027\u6d4b\u8bd5\u540e\uff0c\u57280.5 M\u786b\u9178+1.0 M\u7532\u9187\u6eb6\u6db2\u4e2d\uff0c\u7528Pt1<\/sub>Cu1<\/sub>-AA\u7eb3\u7c73\u7ba1\u50ac\u5316MOR\u5e76\u8bb0\u5f55CV\u66f2\u7ebf\u3002\u572812 000s\u5185\uff0c\u518d\u751f\u8fc7\u7a0b\u5171\u91cd\u590d4\u6b21\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>\uff1a<\/strong>\u7a33\u5b9a\u6027\u6d4b\u8bd5\u540e<\/strong>PtCu<\/strong>\u7eb3\u7c73\u7ba1\u7684\u5fae\u89c2\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u7a33\u5b9a\u6027\u6d4b\u8bd5\u540ePt1<\/sub>Cu1<\/sub>-AA\u7eb3\u7c73\u7ba1\u7684TEM\u56fe\uff1b<\/p>\n

(B)\u7a33\u5b9a\u6027\u6d4b\u8bd5\u540ePt1<\/sub>Cu1<\/sub>-AA\u7eb3\u7c73\u7ba1\u7684\u653e\u5927TEM\u56fe\u3002\u5176\u4e2d\u7684\u63d2\u56fe\u662fSAED\u82b1\u6837\uff1b<\/p>\n

(C-D)\u7a33\u5b9a\u6027\u6d4b\u8bd5\u540e\u7eb3\u7c73\u7ba1\u7684HRTEM\u56fe\u3002\u5176\u4e2d\u63d2\u56fe(i-iii)\u662f\u7eb3\u7c73\u9897\u7c92\u7684FFT\u82b1\u6837\uff0c\u663e\u793a\u5176\u4ecd\u4fdd\u6301\u9ad8\u5ea6\u7ed3\u6676\u7279\u6027\uff1b<\/p>\n

(E-F) Pt1<\/sub>Cu1<\/sub>-AA\u7eb3\u7c73\u7ba1\u7a33\u5b9a\u6027\u6d4b\u8bd5\u524d(E)\u548c\u7a33\u5b9a\u6027\u6d4b\u8bd5\u540e(F)\u7684\u653e\u5927HRTEM\u56fe\u3002<\/p>\n

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

\u672c\u7814\u7a76\u4ee5\u5341\u516d\u70f7\u57fa\u80fa(HDA)\u8986\u76d6\u7684Cu\u7eb3\u7c73\u7ebf\u4e3a\u6a21\u677f\uff0c\u901a\u8fc7\u6df7\u5408\u6eb6\u5242\u4e2d\u7684\u7535\u5316\u5b66\u7f6e\u6362\u53cd\u5e94\u5236\u5907\u4e86\u6570\u79cd\u5177\u6709\u72ec\u7279\u5f00\u5b54\u7ed3\u6784\u7684PtCu\u7eb3\u7c73\u7ba1\u3002\u7eb3\u7c73\u7ba1\u7531\u5355\u6676\u7684PtCu\u7eb3\u7c73\u9897\u7c92\u8fde\u63a5\u800c\u6210\u3002PtCu\u7eb3\u7c73\u7ba1\u5177\u6709\u5927\u7684\u6bd4\u8868\u9762\u79ef\u3001\u53cd\u5e94\u72693D\u53ef\u63a5\u89e6\u7684\u8868\u9762\u4ee5\u53ca\u66f4\u4f4e\u7684Pt\u6d88\u8017\uff0c\u56e0\u800c\u5bf9MOR\u5177\u6709\u5341\u5206\u4f18\u5f02\u7684\u50ac\u5316\u6d3b\u6027\uff0c\u8fdc\u9ad8\u4e8e\u73b0\u6709\u6587\u732e\u62a5\u9053\u503c\uff1b\u800c\u4e14\uff0c\u8be5\u50ac\u5316\u5242\u4e5f\u5c55\u73b0\u4e86\u826f\u597d\u7684\u53ef\u518d\u751f\u6027\u80fd\u3002\u7ecf\u8fc7\u518d\u751f\u7684PtCu\u7eb3\u7c73\u7ba1\u5177\u6709\u66f4\u9ad8\u7684\u7ed3\u6676\u5ea6\u548c\u91cd\u6784\u7684\u8868\u9762\uff0c\u80fd\u591f\u6709\u6548\u5730\u63d0\u4f9bMOR\u7684\u50ac\u5316\u6d3b\u6027\u4f4d\u70b9\u3002\u8be5\u7814\u7a76\u6210\u529f\u5236\u5907\u4e86\u5177\u6709\u4e00\u7ef4\u5f00\u5b54\u7ed3\u6784\u7684PtCu\u7eb3\u7c73\u7ba1\u5e76\u8868\u5f81\u4e86\u5176\u7535\u50ac\u5316\u6027\u80fd\uff0c\u4e3a\u7eb3\u7c73\u5c3a\u5ea6\u7535\u50ac\u5316\u5242\u7684\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1a<\/strong>Highly crystalline PtCu nanotubes with three dimensional molecular accessible and restructured surface for efficient catalysis<\/a> (Energy Environ. Sci., 2017, DOI: 10.1039\/c7ee00573c)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7eb3\u7c73\u5b66\u672f\u7ec4\u6e38\u4e16\u6d77\u7f16\u8bd1\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<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u8d35\u91d1\u5c5e(\u4f8b\u5982Pt)\u88ab\u5e7f\u6cdb\u7528\u4f5c\u9ad8\u6548\u50ac\u5316\u5242\u7ec4\u5206\uff0c\u7136\u800cPt\u7684\u9ad8\u8d1f\u8f7d\u91cf\u3001\u9ad8\u6210\u672c\u548c\u8010\u4e45\u6027\u4e25\u91cd\u963b\u788d\u4e86\u5176\u5546\u4e1a\u5316\u5e94\u7528\uff0c\u56e0\u6b64\u63d0\u9ad8\u5176\u5229\u7528\u6548\u7387\u548c\u7a33\u5b9a\u6027\u6210\u4e3a\u4e86\u50ac\u5316\u9886\u57df\u7814\u7a76\u7684\u70ed…<\/p>\n","protected":false},"author":3727,"featured_media":79909,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[1297,116,27],"class_list":["post-79904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-yushuhong","tag-catalyst","tag-cell"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/79904"}],"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\/3727"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=79904"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/79904\/revisions"}],"predecessor-version":[{"id":80049,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/79904\/revisions\/80049"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/79909"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=79904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=79904"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=79904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}