{"id":236324,"date":"2022-04-27T06:45:44","date_gmt":"2022-04-26T22:45:44","guid":{"rendered":"\/\/m.iemloyee.com\/?p=236324"},"modified":"2022-04-26T16:56:11","modified_gmt":"2022-04-26T08:56:11","slug":"appl-surf-sci-%e7%ab%b9%e8%8a%82%e7%8a%b6%e7%a2%b3%e7%ba%b3%e7%b1%b3%e7%ae%a1%e8%a1%a8%e9%9d%a2%e5%be%ae%e7%8e%af%e5%a2%83%e8%b0%83%e6%8e%a7%e5%ae%9e%e7%8e%b0pt%e5%9d%87%e5%8c%80%e6%b2%89%e7%a7%af","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=236324","title":{"rendered":"Appl. Surf. Sci.\u7af9\u8282\u72b6\u78b3\u7eb3\u7c73\u7ba1\u8868\u9762\u5fae\u73af\u5883\u8c03\u63a7\u5b9e\u73b0Pt\u5747\u5300\u6c89\u79ef"},"content":{"rendered":"

\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u968f\u7740\u80fd\u6e90\u5371\u673a\u548c\u73af\u5883\u6c61\u67d3\u7684\u65e5\u76ca\u4e25\u91cd\uff0c\u5229\u7528\u548c\u5f00\u53d1\u66f4\u52a0\u73af\u4fdd\u3001\u53ef\u518d\u751f\u3001\u9ad8\u6548\u7684\u5404\u79cd\u80fd\u6e90\u6210\u4e3a\u4e00\u4e2a\u8feb\u5207\u9700\u8981\u89e3\u51b3\u7684\u95ee\u9898\u3002\u76f4\u63a5\u7532\u9187\u71c3\u6599\u7535\u6c60(DMFC)\u7531\u4e8e\u5177\u6709\u5de5\u4f5c\u6e29\u5ea6\u4f4e\u3001\u80fd\u91cf\u5bc6\u5ea6\u9ad8\u3001\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u9ad8\u7b49\u7279\u70b9\uff0c\u88ab\u5e7f\u6cdb\u8ba4\u4e3a\u662f\u4fbf\u643a\u5f0f\u7535\u5b50\u8bbe\u5907\u548c\u7535\u52a8\u6c7d\u8f66\u7684\u7406\u60f3\u80fd\u91cf\u8f6c\u6362\u88c5\u7f6e\u3002<\/p>\n

\u76ee\u524d\u7528\u4e8eMOR\u71c3\u6599\u7535\u6c60\u9633\u6781\u7684\u5546\u7528\u50ac\u5316\u5242\u4e3b\u8981\u662fPt\u57fa\u6750\u6599\uff0c\u9762\u4e34\u7740\u53cd\u5e94\u52a8\u529b\u5b66\u7f13\u6162\u3001\u6210\u672c\u8fc7\u9ad8\u3001CO\u8010\u6027\u5dee\u3001\u7a33\u5b9a\u6027\u5dee\u7684\u95ee\u9898\u3002\u5408\u7406\u3001\u6709\u6548\u5730\u5bf9\u8f7d\u4f53\u4e0a\u7684Pt\u7eb3\u7c73\u9897\u7c92\uff08Pt NPs\uff09\u8fdb\u884c\u8c03\u63a7\uff0c\u662f\u964d\u4f4ePt\u5728\u9633\u6781\u50ac\u5316\u5242\u4e2d\u7684\u4f7f\u7528\u91cf\u3001\u63d0\u9ad8\u5176\u5229\u7528\u6548\u7387\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5176\u5bf9MOR\u7684\u50ac\u5316\u6d3b\u6027\u7684\u91cd\u8981\u9014\u5f84\u3002\u4f17\u6240\u5468\u77e5\uff0cPt NPs\u5728\u8f7d\u4f53\u4e0a\u7684\u5c3a\u5bf8\u5206\u5e03\u3001\u76f8\u4e92\u4f5c\u7528\u529b\u3001\u5f62\u6001\u4e0e\u8f7d\u4f53\u8868\u9762\u72b6\u6001\u606f\u606f\u76f8\u5173\u3002<\/p>\n

\u78b3\u9aa8\u67b6\u4e2d\u7684\u6c2e\u4f4d\u70b9\u3001\u56fa\u6709\u7f3a\u9677\u548c\u7ed3\u6784\u53ef\u88ab\u89c6\u4e3a\u663e\u8457\u7684\u9677\u9631\uff0c\u5e2e\u52a9\u5438\u6536Pt\u79bb\u5b50\uff0c\u9650\u5236\u5176\u5728\u8f7d\u4f53\u4e0a\u7684\u8fc1\u79fb\uff0c\u8fdb\u800c\u4fc3\u8fdbPt NPs\u7684\u6210\u6838\u548cOstwald\u719f\u5316\u3002\u6c2e\u63ba\u6742\u5242\u4e0d\u4ec5\u6253\u7834\u4e86\u539f\u59cb\u78b3\u9aa8\u67b6\u7684\u7535\u4e2d\u6027\uff0c\u907f\u514d\u4e86Pt NPs\u7684\u805a\u96c6\uff0c\u5e76\u4f7fPt NPs\u4e0e\u8f7d\u4f53\u4e4b\u95f4\u5177\u6709\u8f83\u5f3a\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u589e\u5f3a\u4e86\u50ac\u5316\u5242\u7684\u7535\u8377\u8f6c\u79fb\u548c\u50ac\u5316\u6d3b\u6027\u3002\u6b64\u5916\uff0cN\u63ba\u6742\u5242\u63d0\u4f9b\u7684\u4e30\u5bcc\u7684OH\u7269\u79cd\u6709\u52a9\u4e8e\u6d88\u9664MOR\u8fc7\u7a0b\u4e2d\u5438\u6536\u7684\u526f\u4ea7\u7269\u3002\u8f7d\u4f53\u7684\u8868\u9762\u5f62\u8c8c\u4e3b\u8981\u53d6\u51b3\u4e8e\u6c2e\u7684\u7ed3\u6784\u548c\u542b\u91cf\uff0c\u5982\u77f3\u58a8\u6001\u6c2e\u3001\u5421\u5576\u6001\u6c2e\u548c\u5421\u5576\u6001\u6c2e\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0c\u6c2e\u6784\u578b\u5728\u78b3\u6750\u6599\u4e2d\u7684\u4f5c\u7528\uff0c\u5305\u62ec\u4ece\u5b9e\u9a8c\u548c\u7406\u8bba\u7684\u89d2\u5ea6\u9700\u8981\u66f4\u6df1\u5165\u7684\u8ba4\u8bc6\u3002\u6b64\u5916\uff0c\u5f00\u53d1\u4e00\u79cd\u5fae\u73af\u5883\u53ef\u5fae\u8c03\u7684\u7535\u50ac\u5316\u5242\u6765\u8c03\u8282Pt\u6c89\u79ef\uff0c\u63d0\u9ad8\u5bf9MOR\u7684\u50ac\u5316\u6d3b\u6027\u4e5f\u662f\u975e\u5e38\u7f55\u89c1\u7684\u3002<\/p>\n

\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\u91cd\u5e86\u79d1\u6280\u5b66\u9662(CQUST)\u9646\u4e16\u7389<\/b><\/strong>\u3001\u91d1\u68a6<\/b><\/strong>\u8bfe\u9898\u7ec4\u7cbe\u5fc3\u8bbe\u8ba1\u4e86\u4e00\u79cd\u539f\u4f4d\u70ed\u89e3\u7684\u65b9\u6cd5\u3002\u5229\u7528\u5c11\u91cf\u7684\u91d1\u5c5e\u9897\u7c92(M@N-CNTs (M = Co, Ni\u548cFe3<\/sub>C))\u5408\u6210\u7af9\u72b6N\u63ba\u6742\u78b3\u7eb3\u7c73\u7ba1\uff0c\u4f7f\u78b3\u5c42\u7684\u8868\u9762\u72b6\u6001\u548c\u7ec4\u6210\u53ef\u8c03\u3002\u4ee5\u53cc\u6c30\u80fa\u548c\u4e0d\u540c\u7684\u4e59\u9170\u4e19\u916e\u76d0(Co\u3001Ni\u3001Fe)\u4e3a\u524d\u9a71\u4f53\uff0c\u53ef\u6709\u6548\u8c03\u63a7\u7af9\u8282\u72b6M@N-CNTs (M = Co\u3001Ni\u548cFe3<\/sub>C)\u78b3\u5c42\u7684\u6c2e\u63ba\u6742\u72b6\u6001\u3001\u539a\u5ea6\u548c\u7f3a\u9677\u7a0b\u5ea6\u3002Pt NPs\u5728M@N-CNTs (M = Co, Ni\u548cFe3<\/sub>C)\u4e0a\u7684\u5206\u5e03\u548c\u9897\u7c92\u5c3a\u5bf8\u968f\u540e\u53d7\u5230\u8868\u9762\u72b6\u6001\u7684\u5f71\u54cd\u3002<\/p>\n

\u00a0\u4e09\u3001\u3010\u56fe\u6587\u89e3\u6790\u3011<\/b><\/strong><\/p>\n

\"\"<\/p>\n

\u56fe1<\/b><\/strong>\u00a0<\/b><\/strong>(a) Pt\/M@N-CNTs (M = Co, Ni\u548cFe3<\/sub>C)\u7684\u5236\u5907\u793a\u610f\u56fe\uff0c(b)\u53cc\u6c30\u80fa\u70ed\u5904\u7406\u8fc7\u7a0b\u4e2d\u7684\u4e2d\u95f4\u4ea7\u7269\uff0c(c, f) Co@N-CNTs\uff0c(d, g) Ni@N-CNTs\u548c(e, h) Fe3<\/sub>C@N-CNTs\u7684TEM\u56fe\u50cf\u3002\"\"<\/b><\/strong><\/p>\n

\u56fe2<\/b><\/strong>\u00a0<\/b><\/strong>(a) M@N-CNTs (M = Co, Ni\u548cFe3<\/sub>C)\u7684XRD\u8c31\u56fe\uff0c(b) Pt\/M@N-CNTs\uff0c(c) M@N-CNTs\u7684FTIR\u5149\u8c31\uff0c(d) M@N-CNTs\u7684Raman\u5149\u8c31\u3002\"\"<\/b><\/strong><\/p>\n

\u56fe3<\/b><\/strong>\u00a0<\/b><\/strong>(a-c) Pt\/M@N-CNTs (M = Co, Ni\u548cFe3<\/sub>C)\u7684\u4f4e\u5206\u8fa8\u7387TEM\u56fe\u50cf\uff0c(d-f)\u9ad8\u500dTEM\u56fe\u50cf\u3002\"\"<\/b><\/strong><\/p>\n

\u56fe4<\/b><\/strong>\u00a0<\/b><\/strong>(a) Co@N-CNTs\u7684Co 2p, Ni@N-CNTs\u7684Ni 2p\u548cFe3<\/sub>C@N-CNTs\u7684Fe 2p\u7684XPS\u5149\u8c31\u3002(b) Pt\/Co@N-CNTs\u7684Co 2p\u3001Pt\/Ni@N-CNTs\u7684Ni 2p\u548cPt\/Fe3<\/sub>C@N-CNTs\u7684Fe 2p\u7684XPS\u5149\u8c31\u3002Pt\/M@N-CNTs (M = Co, Ni\u548cFe3<\/sub>C)\u7684(c) Pt 4f\u548c(d) N1s\u7684XPS\u8c31\u3002<\/p>\n

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

\u56fe5<\/b><\/strong>\u00a0<\/b><\/strong>Pt\/M@N-CNTs (M = Co, Ni\u548cFe3<\/sub>C)\u548c\u5546\u7528Pt\/C\u5728(a) 1 M KOH\u548c(b) 1 M KOH + 1 M CH3<\/sub>OH\u4e2d\u572850 mV s\u22121<\/sup>\u65f6\u7684CV\u66f2\u7ebf\u3002(c) 1 M KOH + 1 M CH3<\/sub>OH\u50ac\u5316\u5242\u57281 mV s\u22121<\/sup>\u7684\u626b\u901f\u4e0b\u7684LSV\u66f2\u7ebf\uff1b\u76f8\u5e94\u7684\u76f4\u65b9\u56fe(d) ECSA\uff0c (e) \u8d28\u91cf\u6d3b\u6027\u548c\u6bd4\u6d3b\u6027\uff0c(f) \u8d77\u59cb\u7535\u4f4d\u3002\"\"
\n <\/b><\/strong><\/p>\n

\u56fe6<\/b><\/strong>\u00a0(a) N\u63ba\u6742CNTs\u4e2d\u4e0d\u540cN\u7ed3\u6784\u7684\u793a\u610f\u56fe\uff0c(b) Pt\u5728\u4e0d\u540cN\u7ed3\u6784\u4e2d\u8ba1\u7b97\u7684\u5438\u9644\u80fd\u7684\u53d8\u5316\uff0c(c-e) \u56fa\u5b9a\u5728N\u63ba\u6742\u5421\u5576\u78b3\u7eb3\u7c73\u7ba1\u4e0a\u7684Pt\u56e2\u7c07\u6a21\u578b\u7684\u9876\u90e8\u548c\u4fa7\u9762\u56fe\u3002\u989c\u8272\u7f16\u7801:C\uff0c\u7070\u8272;N,\u84dd\u8272;Pt,\u9752\u8272\u3002<\/p>\n

\u00a0\"\"<\/b><\/strong><\/p>\n

\u56fe7<\/b><\/strong>\u00a0(a) Pt\/M@N-CNTs (M = Co, Ni\u548cFe3<\/sub>C)\u57281 M KOH + 1 M CH3<\/sub>OH\u6eb6\u6db2\u22120.2 V\u5904\u7684Nyquist\u56fe\u3002(b-d) Pt\/Co@N-CNTs\u57281 M KOH + 1 M CH3<\/sub>OH\u6eb6\u6db2\u4e2d\u7684Nyquist\u56fe\uff0c\u7535\u6781\u7535\u4f4d\u4e3a\u22120.6 V\u81f30.3 V\u3002<\/p>\n

\u4f5c\u8005\u6210\u529f\u5730\u901a\u8fc7\u4e59\u9170\u4e19\u916e\u76d0\u8c03\u63a7\u4e86M@N-CNTs (M = Co, Ni\u548cFe3<\/sub>C)\u4e2d\u78b3\u5c42\u7684\u5fae\u89c2\u7ed3\u6784\u3002Pt\u52a0\u8f7d\u540e\uff0cPt NPs\u5728Pt\/M@N-CNTs\u4e2d\u7684\u5206\u5e03\u4e25\u91cd\u4f9d\u8d56\u4e8eM@N-CNTs\u7684\u8868\u9762\u72b6\u6001\u548c\u78b3\u5c42\u7ec4\u6210\uff0c\u8fdb\u800c\u5f71\u54cd\u5176\u5bf9MOR\u7684\u50ac\u5316\u80fd\u529b\u548c\u7a33\u5b9a\u6027\u3002\u76ee\u524d\u6700\u5148\u8fdb\u7684Pt\/Co@N-CNTs\u5728\u78b1\u6027\u4ecb\u8d28\u4e2d\u5bf9MOR\u7684\u8d28\u91cf\u548c\u6bd4\u6d3b\u6027\u90fd\u4f18\u4e8e\u5546\u7528Pt\/C\u3002\u9002\u5f53\u8c03\u6574\u78b3\u5c42\u7684N\u6784\u578b\u3001\u539a\u5ea6\u548c\u7f3a\u9677\uff0c\u4e0d\u4ec5\u4f7fPt NPs\u6c89\u79ef\u5177\u6709\u66f4\u5f3a\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u800c\u4e14\u5177\u6709\u8f83\u5f3a\u7684\u76f8\u4e92\u4f5c\u7528\u963b\u6b62\u8fc1\u79fb\u548c\u4f18\u5f02\u7684\u7535\u8377\/\u7535\u5b50\u4f20\u8f93\u80fd\u529b\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4e86\u7535\u5316\u5b66\u8fc7\u7a0b\u7684\u7a33\u5b9a\u6027\u548c\u50ac\u5316\u6d3b\u6027\u3002\u672c\u5de5\u4f5c\u4e0d\u4ec5\u4e3a\u5f00\u53d1\u5177\u6709\u7406\u60f3\u8868\u9762\u72b6\u6001\u548c\u7ed3\u6784\u7684\u65b0\u578b\u78b3\/\u91d1\u5c5e\u6c27\u5316\u7269\u590d\u5408\u6750\u6599\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\uff0c\u800c\u4e14\u4e3a\u7eb3\u7c73\u50a8\u80fd\u548c\u50a8\u80fd\u6750\u6599\u7684\u8bbe\u8ba1\u548c\u6784\u5efa\u5f00\u8f9f\u4e86\u4e00\u6761\u65b0\u9014\u5f84\u3002<\/p>\n

Jin M, Wang R, Jia B, et al. Achieving uniform Pt deposition site by tuning the surface microenvironment of bamboo-like carbon nanotubes. Applied Surface Science, 2022: 153201.<\/p>\n

DOI\uff1adoi.org\/10.1016\/j.apsusc.2022.153201<\/p>\n

https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0169433222007620<\/u><\/a><\/p>\n

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\u9646\u4e16\u7389<\/b><\/strong>\uff0c\u52a9\u7406\u7814\u7a76\u5458(\u6821\u8058\u6559\u6388)\uff0c\u5165\u9009\u7b2c\u4e03\u5c4a\u4e2d\u79d1\u534f\u9752\u5e74\u4eba\u624d\u6258\u4e3e\u5de5\u7a0b\uff0c\u5317\u4eac\u5927\u5b66\u535a\u58eb\u540e(\u5165\u9009\u5317\u4eac\u5927\u5b66\u5de5\u7a0b\u79d1\u5b66\u4e0e\u65b0\u5174\u6280\u672f\u9ad8\u7cbe\u5c16\u521b\u65b0\u4e2d\u5fc3\u535a\u58eb\u540e\u201c\u5de5\u7a0b\u79d1\u5b66\u9752\u5e74\u5b66\u8005\u201d\u9879\u76ee)\uff0c\u897f\u5357\u5927\u5b66\u535a\u58eb\u3002\u591a\u5e74\u6765\u4e00\u76f4\u4ece\u4e8b\u5173\u4e8e\u8fc7\u6e21\u91d1\u5c5e\u7535\u89e3\u6c34\u50ac\u5316\u5242\u7684\u8868\/\u754c\u9762\u8bbe\u8ba1\u4e0e\u6784\u7b51\u53ca\u5176\u4e0e\u50ac\u5316\u4e2d\u95f4\u4f53(\u8fc7\u6e21\u6001)\u7269\u79cd\u4f5c\u7528\u7684\u6784\u6548\u5173\u7cfb\u65b9\u9762\u7684\u7814\u7a76\u3002\u00a0\u8fc4\u4eca\u4e3a\u6b62\u5728\u00a0J. Am. Chem. Soc., Adv. Mater., Adv. Energy Mater.,Appl. Catal. B: Environ., Adv. Funct. Mater., Nano Energy\u00a0\u7b49\u671f\u520a\u53d1\u8868\u8bba\u6587\u00a045\u7bc7\uff0c\u83b7\u53d1\u660e\u4e13\u5229\u00a02\u00a0\u9879\uff0c\u5b8c\u6210\u4ea7\u4e1a\u5316\u9879\u76ee2\u9879\u3002\u76f8\u5173\u4ea7\u54c1\u548c\u6210\u679c\u5df2\u76f8\u7ee7\u88ab\u6e56\u5357\u65b0\u95fb\u8054\u64ad\uff0c\u682a\u6d32\u5e02\u4eba\u6c11\u653f\u5e9c\uff0c\u6538\u53bf\u653f\u5e9c\u7b49\u5a92\u4f53\u91cd\u70b9\u62a5\u9053\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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