{"id":135881,"date":"2018-04-23T06:30:17","date_gmt":"2018-04-22T22:30:17","guid":{"rendered":"\/\/m.iemloyee.com\/?p=135881"},"modified":"2018-04-22T14:32:56","modified_gmt":"2018-04-22T06:32:56","slug":"%e5%bc%a0%e8%be%89%e9%82%ac%e5%89%91%e6%b3%a2sci-bull-%e5%a4%9a%e9%87%91%e5%b1%9eaupdpdpt%e6%a0%b8-%e4%b8%ad%e9%97%b4%e5%b1%82-%e5%a3%b3%e4%ba%8c%e5%8d%81%e9%9d%a2%e4%bd%93%e7%94%b5%e5%82%ac","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=135881","title":{"rendered":"\u5f20\u8f89&\u90ac\u5251\u6ce2Sci. Bull.: \u591a\u91d1\u5c5eAuPd@Pd@Pt\u6838-\u4e2d\u95f4\u5c42-\u58f3\u4e8c\u5341\u9762\u4f53\u7535\u50ac\u5316\u5242\u5728\u9ad8\u6548\u6c27\u8fd8\u539f\uff08ORR\uff09\u53cd\u5e94\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"

\u3010\u524d\u8a00\u3011<\/strong><\/p>\n

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

\u8fd1\u65e5\uff0c\u6765\u81ea\u6d59\u6c5f\u5927\u5b66\u6768\u5fb7\u4ec1\u56e2\u961f\u7684\u5f20\u8f89\u6559\u6388\u548c\u6765\u81ea\u4e0a\u6d77\u4ea4\u901a\u5927\u5b66\u7684\u90ac\u5251\u6ce2\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\uff09<\/strong>\u5c0f\u7ec4\u8054\u5408\u5728Science Bulletin<\/strong>\u4e0a\u53d1\u8868\u9898\u4e3a\u201cMultimetallic AuPd@Pd@Pt core-interlayer-shell icosahedral electrocatalysts for highly efficient oxygen reduction reaction\u201d<\/strong> \u7684\u6587\u7ae0\u3002\u7814\u7a76\u4eba\u5458\u5c06\u4e24\u4e2a\u539f\u5b50\u5c42\u539a\u5ea6\u7684\u8d85\u8584Pt\u5c42\u5305\u9644\u5728\u4e86Au50<\/sub>Pd50<\/sub>, Au60<\/sub>Pd40<\/sub>\u548cAu66<\/sub>Pd34<\/sub> \u6676\u6838\u4e0a\uff0c\u5e76\u4e14\u5728\u8fd9\u4e9b\u7eb3\u7c73\u6676\u6838\u4e2d\u5408\u91d1\u4f5c\u4e3a\u6838\uff0cPd\u4f5c\u4e3a\u58f3\u5c42\u3002\u901a\u8fc7\u7535\u955c\u53d1\u73b0\uff0cPd\u5c42\u539a\u5ea6\u5728Au66<\/sub>Pd34<\/sub>@Pt, Au60<\/sub>Pd40<\/sub>@Pt\u548cAu50Pd50@Pt\u7eb3\u7c73\u7ed3\u6784\u4e2d\u5206\u522b\u4e3a3,6,12\u539f\u5b50\u5c42\u539a\u5ea6\u3002\u8fd9\u4e9b\u4e8c\u5341\u9762\u4f53AuPd@Pd@Pt\u7eb3\u7c73\u6676\u548c\u6ca1\u6709Pd\u4e2d\u95f4\u5c42\u7684Au75<\/sub>Pd25<\/sub>@Pt\u4e8c\u5341\u9762\u4f53\u4ee5\u53ca\u5546\u4e1aPt\/C\u76f8\u6bd4\u5728ORR\u8fc7\u7a0b\u4e2d\u5c55\u73b0\u51fa\u4e86\u6301\u7eed\u7684\u7a33\u5b9a\u6027\u3002\u7279\u522b\u7684\u662f\uff0c\u5177\u67096\u4e2a\u539f\u5b50\u5c42\u539a\u5ea6\u7684Pd\u4e2d\u95f4\u5c42\u7684Au60<\/sub>Pd40<\/sub>@Pt\u4e8c\u5341\u9762\u4f53\u5c55\u73b0\u51fa\u4e86\u6700\u4f73\u7684\u7535\u50ac\u5316\u6027\u80fd\uff0c\u572850000\u6b21\u5faa\u73af\u524d\u540e\u8d28\u91cf\u6d3b\u6027\u5206\u522b\u662f\u5546\u4e1aPt\/C\u768411.6\u548c30.2\u500d\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u56fe<\/strong>1. <\/strong>\u4e8c\u5341\u9762\u4f53<\/strong>Au50<\/sub>Pd50<\/sub><\/strong>\u7eb3\u7c73\u6676\u4f53\u7684\u5f62\u6001\u3001\u7ed3\u6784\u548c\u6210\u5206\u7279\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a), (b) <\/strong>HAADF-STEM\u56fe\uff1b<\/p>\n

(c)<\/strong> EDX\u56fe\uff1b<\/p>\n

(d) <\/strong>EDX \u7ebf\u6027\u626b\u63cf\u56fe\uff1b<\/p>\n

\u56fe<\/strong>2. <\/strong>\u57fa\u4e8e<\/strong>ICP-AES<\/strong>\u6d4b\u8bd5\u7ed3\u679c\u7684<\/strong>Au50<\/sub>Pd50<\/sub><\/strong>\u7eb3\u7c73\u6676\u751f\u957f\u52a8\u529b\u5b66<\/strong><\/p>\n

\"\"<\/p>\n

(a)<\/strong>\u7eb3\u7c73\u6676\u4e2dAu\u548cPd\u539f\u5b50\u6bd4\u4f8b\u548c\u65f6\u95f4\u7684\u5173\u7cfb\uff1b<\/p>\n

(b)<\/strong>\u76f8\u5bf9\u7ec4\u5206\u4e0e\u65f6\u95f4\u7684\u5173\u7cfb\uff1b<\/p>\n

\u56fe<\/strong>3. <\/strong>\u4e8c\u5341\u9762\u4f53<\/strong>Au50<\/sub>Pd50<\/sub>@Pt <\/strong>\u7eb3\u7c73\u6676\u7684\u5f62\u8c8c\uff0c\u7ed3\u6784\u548c\u7ec4\u6210\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>TEM\u56fe\uff1b<\/p>\n

(b) <\/strong>HAADF-STEM\u56fe\uff1b<\/p>\n

(c), (d) <\/strong>\u9009\u62e9\u533a\u57df\u653e\u5927HAADFSTEM\u56fe\u548c\u76f8\u5e94\u7684\u5bf9\u6bd4\u66f2\u7ebf\uff1b<\/p>\n

(e) <\/strong>EDX\u56fe\uff1b<\/p>\n

(f) <\/strong>EDX\u7ebf\u6027\u626b\u63cf\u56fe\uff1b<\/p>\n

\u56fe<\/strong>4. <\/strong>\u50ac\u5316\u5242<\/strong>ORR<\/strong>\u7535\u5316\u5b66\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

(a)<\/strong> ORR\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

(b), (c) <\/strong>Tafel\u659c\u7387\u66f2\u7ebf\uff1b<\/p>\n

(d)<\/strong> Au-Pd@Pt\u50ac\u5316\u5242\u548cPt\u50ac\u5316\u5242\u7684ORR\u7684\u6bd4\u6d3b\u6027\u548c\u8d28\u91cf\u6d3b\u6027\uff1b<\/p>\n

\u56fe<\/strong>5. ORR<\/strong>\u7a33\u5b9a\u6027\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u2013(e) <\/strong>\u4e0d\u540c\u7ec4\u5206\u7684Au-Pd@Pt\u4e8c\u5341\u9762\u4f53\u50ac\u5316\u5242\u548cPt\/C\u50ac\u5316\u5242ORR ADTs\u524d\u540e\u7684\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

(f)<\/strong> ADTs\u524d\u540e\u7684im<\/sub>\uff1bADTs \uff1a\u57280.6-1.0 V (RHE)\u4e4b\u95f4\uff0c\u626b\u901f\u4e3a100 mV\/s\uff0c\u5faa\u73af50000\u6b21\u5faa\u73af\uff1b<\/p>\n

\u56fe<\/strong>6. <\/strong>\u78b3\u652f\u6491\u7684<\/strong>Au50<\/sub>Pd50<\/sub>@Pt<\/strong>\u4e8c\u5341\u9762\u4f53\u50ac\u5316\u5242\u5728<\/strong>ADTs<\/strong>\u4e4b\u540e\u7684\u5f62\u8c8c\uff0c\u7ed3\u6784\u548c\u7ec4\u5206\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

(a)<\/strong>\u548c(b) <\/strong>HAADF-STEM\u56fe\uff1b<\/p>\n

(c)<\/strong> EDX\u56fe\uff1b<\/p>\n

(d)<\/strong> EDX\u7ebf\u6027\u626b\u63cf\u56fe\uff1b<\/p>\n

\u3010\u603b\u7ed3\u3011<\/strong><\/p>\n

\u672c\u6587\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u5f00\u53d1\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\u6765\u5236\u5907\u4e8c\u5341\u9762\u4f53AuPd@Pt\u7eb3\u7c73\u6676\uff0c\u5176\u4e2d\u5305\u542b\u8d85\u8584\u7684Pt\u5916\u5c42\uff0cAu-Pd\u5408\u91d1\u6838\u4ee5\u53ca\u53ef\u8c03\u7684Pd\u4e2d\u95f4\u5c42\u3002\u901a\u8fc7\u8c03\u8282Au\u548cPd\u5143\u7d20\u6bd4\u4f8b\u53ef\u4ee5\u5b9e\u73b0Pd\u4e2d\u95f4\u5c42\u539a\u5ea6\u7684\u63a7\u5236\uff0c\u663e\u793a\u4e86\u8fd8\u539f\u548c\u6676\u4f53\u751f\u957f\u8fc7\u7a0b\u7684\u52a8\u6001\u95f4\u9699\u3002AuPd@Pd@Pt\u4e8c\u5341\u9762\u4f53\u548cPd\u4e2d\u95f4\u5c42\uff0c\u7279\u522b\u662f Au60<\/sub>Pd40<\/sub>@Pt\u5728\u9178\u6027\u6eb6\u6db2\u4e2d\u4e0e\u5546\u4e1aPt\/C\u4ee5\u53ca\u6ca1\u6709Pd\u4e2d\u95f4\u5c42\u7684Au75<\/sub>Pd25<\/sub>@Pt\u4e8c\u5341\u9762\u4f53\u76f8\u6bd4\u5c55\u73b0\u4e86\u660e\u663e\u7684ORR\u6d3b\u6027\u589e\u5f3a\u4ee5\u53ca\u957f\u671f\u7684\u7a33\u5b9a\u6027\u3002\u4e09\u5c42\u6838-\u4e2d\u95f4\u5c42-\u58f3\u7eb3\u7c73\u7ed3\u6784\u548c\u4e8c\u5341\u9762\u4f53\u6027\u8d28\u8fdb\u4e00\u6b65\u4f18\u5316\u4e86\u8d35\u91d1\u5c5e\u7535\u5b50\u7ed3\u6784\u5e76\u4e14\u5c06Pt\u5229\u7528\u7387\u8fbe\u5230\u6700\u5927\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Multimetallic AuPd@Pd@Pt core-interlayer-shell icosahedral electrocatalysts for highly efficient oxygen reduction reaction<\/a>, (Sci. Bull., 2018, DOI:\u00a010.1016\/j.scib.2018.03.013)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u5b66\u672f\u7ec4Z. Chen\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\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<\/a>\u3002<\/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\uff1atougao@cailiaoren.com\u3002<\/p>\n

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\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":"

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