{"id":171852,"date":"2019-04-10T06:30:44","date_gmt":"2019-04-09T22:30:44","guid":{"rendered":"\/\/m.iemloyee.com\/?p=171852"},"modified":"2019-04-09T16:13:56","modified_gmt":"2019-04-09T08:13:56","slug":"%e9%a6%99%e6%b8%af%e5%9f%8e%e5%b8%82%e5%a4%a7%e5%ad%a6chair-prof-paul-k-chu-%e8%af%be%e9%a2%98%e7%bb%84%e5%9c%a8nano-energy%e6%8a%a5%e9%81%93%ef%bc%9a%e9%ab%98%e6%80%a7%e8%83%bd%e7%94%b5%e5%82%ac","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=171852","title":{"rendered":"\u9999\u6e2f\u57ce\u5e02\u5927\u5b66Chair Prof. Paul K. Chu.\u8bfe\u9898\u7ec4\u5728Nano energy\u62a5\u9053\uff1a\u9ad8\u6027\u80fd\u7535\u50ac\u5316\u751f\u6c22\u50ac\u5316\u5242"},"content":{"rendered":"

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/b><\/strong><\/p>\n

\u6c22\u6c14\u662f\u4e00\u79cd\u7406\u60f3\u7684\u6e05\u6d01\u80fd\u6e90\uff0c\u5176\u4ea7\u7269\u65e0\u6c61\u67d3\uff0c\u71c3\u70e7\u70ed\u80fd\u9ad8\uff0c\u662f\u66ff\u4ee3\u5316\u77f3\u71c3\u6599\u7684\u7406\u60f3\u6750\u6599\u3002\u76ee\u524d\uff0c\u7535\u50ac\u5316\u5206\u89e3\u6c34\u5236\u5907\u6c22\u6c14\u662f\u89e3\u51b3\u80fd\u6e90\u5371\u673a\u7684\u7406\u60f3\u9014\u5f84\u4e4b\u4e00\u3002\u94c2\uff08Pt\uff09\u4e00\u76f4\u88ab\u8ba4\u4e3a\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u7535\u50ac\u5316\u88c2\u89e3\u6c34\u50ac\u5316\u5242\uff0c\u4f46\u56e0\u5176\u9ad8\u6602\u7684\u4ef7\u683c\u4f7f\u5176\u4e0d\u80fd\u88ab\u5e7f\u6cdb\u5e94\u7528\uff0c\u5bfb\u627e\u53ef\u66ff\u4ee3\u7684\u975e\u8d35\u91d1\u5c5e\u7535\u50ac\u5316\u5242\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u8fc7\u6e21\u91d1\u5c5e\u78b3\u5316\u7269\u5982WC\uff0cVC\uff0cMoC\uff0cMo2<\/sub>C\u7b49\u56e0\u4e3a\u5177\u6709\u7c7b\u4f3cPt\u7684d-\u5e26\u7535\u5b50\u7ed3\u6784\uff0c\u56e0\u6b64\u5177\u6709\u7c7b\u4f3c\u4e8ePt\u7684\u50ac\u5316\u6d3b\u6027\uff0c\u540c\u65f6\u5176\u4f4e\u6210\u672c\u3001\u8010\u9178\u78b1\u8150\u8680\u7b49\u7279\u6027\u4f7f\u5176\u6210\u4e3a\u7535\u50ac\u5316\u5242\u7684\u7406\u60f3\u66ff\u4ee3\u6750\u6599\u3002\u7136\u800c\u5757\u4f53\u548c\u7eaf\u76f8\u7684\u6750\u6599\u7531\u4e8e\u7f3a\u5c11\u8db3\u591f\u7684\u6d3b\u6027\u4f4d\u70b9\u548c\u826f\u597d\u7684\u5bfc\u7535\u6027\u80fd\uff0c\u6291\u5236\u4e86\u5b83\u4eec\u7535\u50ac\u5316\u6d3b\u6027\u3002\u56e0\u6b64\u5982\u4f55\u6784\u5efa\u6750\u6599\u7ed3\u6784\u4f7f\u5176\u53ef\u4ee5\u66b4\u9732\u66f4\u591a\u6d3b\u6027\u4f4d\u70b9\u5e76\u540c\u65f6\u5177\u6709\u826f\u597d\u7684\u5bfc\u7535\u6027\u662f\u63d0\u5347\u7535\u5316\u5b66\u50ac\u5316\u7684\u5173\u952e\u56e0\u7d20\u3002<\/p>\n

\u3010\u7814\u7a76\u5185\u5bb9\u3011<\/b><\/strong><\/p>\n

\u6211\u4eec\u7684\u7814\u7a76\u901a\u8fc7\u6784\u5efa\u4e86Mo2<\/sub>C\/VC\u5f02\u8d28\u7ed3\u6784\uff0c\u5176\u754c\u9762\u5927\u5927\u589e\u52a0\u4e86\u6d3b\u6027\u4f4d\u70b9\u6570\u76ee\uff0c\u540c\u65f6\u5145\u5206\u5229\u7528\u4e86Mo2<\/sub>C\u5bf9\u6c22\u7684\u5438\u9644\u4f5c\u7528\u548cVC\u5bf9\u6c22\u7684\u8131\u9644\u6027\u80fd\uff0c\u5927\u5927\u52a0\u5feb\u4e86\u6c22\u79bb\u5b50\u5411\u6c22\u6c14\u8f6c\u5316\u7684\u901f\u7387\u3002\u540c\u65f6Mo2<\/sub>C\/VC\u5206\u5e03\u5728\u4e09\u7ef4\u5bfc\u7535\u7684\u78b3\u7f51\u4e0a\uff0c\u5145\u5206\u63d0\u4f9b\u4e86\u7535\u5b50\u7684\u4f20\u9012\u6027\u548c\u7ed3\u6784\u7a33\u5b9a\u6027\u3002\u5728Mo2<\/sub>C\u3001VC\u548cC\u7684\u591a\u65b9\u9762\u534f\u540c\u4f5c\u7528\u4e0b\u6700\u7ec8\u63d0\u9ad8\u4e86\u50ac\u5316\u6790\u6c22\u6027\u80fd\u3002<\/p>\n

Mo2<\/sub>C\/VC@C\u5f02\u8d28\u7ed3\u6784\u7684\u5236\u5907\u8fc7\u7a0b<\/p>\n

Figure 1<\/b><\/strong>. Schematic illustration of the conversion of V2<\/sub>MoO8<\/sub>\u00a0to Mo2<\/sub>C\/VC@C.<\/p>\n

\"\"<\/p>\n

\u672c\u6587\u4ee5V2<\/sub>MoO8<\/sub>\u4e3a\u524d\u9a71\u4f53\uff0c\u901a\u8fc7\u539f\u4f4d\u76f8\u5206\u79bb\u53cd\u5e94\uff0c\u9ad8\u6e29\u4e0bMg\u548cNaHCO3<\/sub>\u5206\u89e3\u51fa\u6765\u7684CO2<\/sub>\u53cd\u5e94\u751f\u6210\u4e09\u7ef4\u78b3\u7f51\u7edc\uff0c\u540c\u65f6\u5fae\u7c73\u7ea7\u524d\u9a71\u4f53\u7834\u788e\u4e3a\u4e0d\u5b8c\u5168\u5206\u79bb\u7684\u4e24\u76f8\u6750\u6599Mo2<\/sub>C\u548cVC\uff0c\u5e76\u9576\u5d4c\u5728\u4e09\u7ef4\u78b3\u7f51\u7edc\u4e0a\u3002<\/p>\n

Figure<\/b><\/strong>\u00a0<\/b><\/strong>2<\/b><\/strong>.<\/p>\n

\"\"<\/p>\n

(a) XRD patterns of Mo2<\/sub>C\/VC@C, VC@C, Mo2<\/sub>C@C, and carbon; (b) High-degree XRD patterns of Mo2<\/sub>C\/VC@C;(c) TEM image of Mo2<\/sub>C\/VC@C;(d) HR-TEM image of of Mo2<\/sub>C\/VC@C with\u00a0 the\u00a0 insets<\/span>\u00a0 showing the boundary ofMo2<\/sub>C\/VC\uff1b(e, f) XPS spectra of Mo 3d and V 2p, respectively; (g) Elemental maps of Mo2<\/sub>C\/VC@C.<\/p>\n

\u5229\u7528XRD\uff0cXPS\uff0cTEM\u7b49\u6280\u672f\uff0c\u8868\u5f81\u4e86\u8be5\u4e09\u7ef4\u7ed3\u6784Mo2<\/sub>C\/VC@C\u7684\u5f62\u8c8c\u7279\u5f81\uff0c\u53d1\u73b0\u6b64\u5f02\u8d28\u7ed3\u6784\u76f8\u4e92\u4ea4\u8054\u5e76\u4e14\u88ab\u5305\u88f9\u4e00\u5c421\u20132nm\u7684\u8584\u8584\u7684\u78b3\u5c42\u3002xrd\u4e2d\u91cd\u53e0\u7684\u5cf0\u8bf4\u660e\u4e86\u5f02\u8d28\u754c\u9762\u7684\u5b58\u5728\uff0c\u5e76\u4e14xps\u5cf0\u4f4d\u7684\u504f\u79fb\u4e5f\u8bf4\u660e\u4e86Mo2<\/sub>C\/VC@C\u5177\u6709\u5f3a\u70c8\u7684\u7535\u5b50\u76f8\u4e92\u4f5c\u7528\uff0c\u518d\u6b21\u8868\u660e\u4e86\u4ece\u4e00\u4e2a\u524d\u9a71\u7269\u5206\u79bb\u5f97\u5230\u7684\u4ea7\u7269\u5b58\u5728\u7740\u4e30\u5bcc\u7684\u754c\u9762\u9762\u79ef\uff0c\u53ef\u4ee5\u63d0\u4f9b\u4e30\u5bcc\u7684\u6d3b\u6027\u4f4d\u70b9\u3002<\/p>\n

Figure 3<\/b><\/strong>.<\/p>\n

\"\"<\/p>\n

(a) Polarization curves and (b) Tafel plots of bare CE, commercal Pt\/C, V2<\/sub>MoO8<\/sub>, VC@C, Mo2<\/sub>C@C, and Mo2<\/sub>C\/VC@C;<\/p>\n

\u5236\u5907\u7684\u50ac\u5316\u5242\u6ef4\u57283mm\u76f4\u5f84\u7684\u73bb\u78b3\u7535\u6781\u4e0a\uff0c\u5728\u5e38\u6e29\u667e\u5e72\u540e\u6d4b\u8bd5\u53d1\u73b0\u5177\u6709\u5f02\u8d28\u7ed3\u9762\u7684Mo2<\/sub>C\/VC@C\u5177\u6709\u6700\u4f18\u7684\u50ac\u5316\u6027\u80fd\uff0c\u572810 mA\u00a0cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\u8fc7\u7535\u52bf\u4ec5122 mV\u548c\u8f83\u5c0f\u7684\u5854\u83f2\u5c14\u659c\u738743.8 mV dec-1<\/sup>, \u8fdc\u8fdc\u4f18\u4e8e\u6309\u7167\u6bd4\u4f8b\u7269\u7406\u65b9\u5f0f\u6df7\u5408\u7684Mo2<\/sub>C@C\u548cVC@C\u7684\u50ac\u5316\u5242\u3002\u6b64\u5916\uff0cMo2<\/sub>C\/VC@C\u50ac\u5316\u5242\u8fd8\u5177\u6709\u6781\u597d\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u548c\u8f83\u5c0f\u7684\u7535\u963b\u3002<\/p>\n

Figure 4<\/b><\/strong>.<\/p>\n

\"\"<\/p>\n

(a) Exchange current density of the Mo2<\/sub>C@C, VC@C, physical mixture, Mo2<\/sub>C\/VC@C and recently reported materials at an overpotential of -0.2 V; (b) Atomic reconstruction of the Mo2<\/sub>C\/VC heterojunction; (c) Hydrogen adsorption binding energy configuration at the interfaces of Mo2<\/sub>C\/VC, C-Mo2<\/sub>C, Mo-Mo2<\/sub>C, as well as surfaces of V-VC and C-VC.<\/p>\n

Mo2<\/sub>C\/VC@C\u4e2d\u754c\u9762\u5904\u5b58\u5728\u7535\u5b50\u8f6c\u79fb\u7684\u60c5\u51b5\uff0c\u5176\u7535\u963b\u503c\u518d\u4e00\u6b21\u964d\u4f4e\uff0c\u56e0\u6b64\u4f4e\u4e8e\u5355\u72ec\u6210\u4efd\u7684Mo2<\/sub>C@C\u548cVC@C\u3002\u4f18\u5f02\u7684HER\u50ac\u5316\u5242\u5e94\u540c\u65f6\u5177\u6709\u5feb\u901f\u7684\u6c34\u8131\u9644\u52a8\u529b\u5b66\u548c\u9002\u4e2d\u7684\u6c22\u5438\u9644\u80fd\u529b\u3002Mo2<\/sub>C\u5177\u6709\u8f83\u5f3a\u7684\u6c22\u5438\u9644\u80fd\u529b\uff0c\u800cVC\u5177\u6709\u8f83\u5f3a\u7684\u6c22\u8131\u9644\u80fd\u529b\uff0c\u56e0\u6b64\u5355\u4e00\u6210\u5206\u7684Mo2<\/sub>C@C\u548cVC@C\u5c55\u73b0\u51fa\u8f83\u5dee\u7684\u6790\u6c22\u53cd\u5e94\u6d3b\u6027\uff0c\u800cMo2<\/sub>C\/VC@C\u5c55\u73b0\u51fa\u4e86\u5feb\u901f\u7684\u5438\u9644\u80fd\u529b\u548c\u5feb\u901f\u7684\u8131\u9644\u52a8\u529b\u5b66\u3002\u6b64\u5916DFT\u6307\u51fa\uff0c\u754c\u9762\u5904\u7684\u2206GH*<\/sub>\u624d\u63a5\u8fd10\uff0c\u5355\u72ec\u7684\u91d1\u5c5e\u4f4d\u70b9\u6216\u8005\u975e\u91d1\u5c5e\u4f4d\u70b9\u5c55\u73b0\u51fa\u8fc7\u6b63\u6216\u8fc7\u8d1f\u7684\u2206GH*<\/sub>\u3002\u56e0\u6b64\uff0cMo2<\/sub>C\/VC@C\u7684\u6d3b\u6027\u4f4d\u70b9\u5728\u754c\u9762\u5904\u3002<\/p>\n

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

\u672c\u5b9e\u9a8c\u91c7\u7528\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u9541\u70ed\u53cd\u5e94\u5236\u5907\u7684\u5f02\u8d28\u7ed3\u6784\u7684Mo2<\/sub>C\/VC\u5206\u5e03\u5728\u4e09\u7ef4\u5bfc\u7535\u78b3\u7f51\u7edc\u4e0a\u3002\u7814\u7a76\u53d1\u73b0\u5f02\u8d28\u7ed3\u9762\u53ef\u4ee5\u6709\u6548\u589e\u52a0\u6790\u6c22\u53cd\u5e94\u6d3b\u6027\uff0c\u78b3\u7f51\u7edc\u7ed3\u6784\u63d0\u4f9b\u5bfc\u7535\u6027\u548c\u7a33\u5b9a\u6027\u3002\u901a\u8fc7DFT\u8ba1\u7b97\u53d1\u73b0\uff0c\u5f02\u8d28\u754c\u9762\u53ef\u4ee5\u6709\u9650\u964d\u4f4e\u53cd\u5e94\u7684\u80fd\u91cf\u52bf\u5792\uff0c\u4fc3\u8fdbH+<\/sup>\u8f6c\u5316\u4e3aH2<\/sub>\u3002\u672c\u5b9e\u9a8c\u57fa\u4e8e\u5b9e\u9a8c\u548c\u7406\u8bba\u7684\u7ed3\u5408\uff0c\u63d0\u51fa\u4e86\u901a\u8fc7\u76f8\u5206\u79bb\u5236\u5907\u5177\u6709\u4e30\u5bcc\u7684\u754c\u9762\u7ed3\u6784\u7684\u65b9\u6cd5\u662f\u4e00\u4e2a\u9ad8\u6548\u5236\u5907\u9ad8\u6027\u80fd\u50ac\u5316\u5242\u7684\u9014\u5f84\uff0c\u5e0c\u671b\u6b64\u65b9\u6cd5\u53ef\u4ee5\u62d3\u5c55\u5230\u5176\u4ed6\u9ad8\u6548\u5f02\u8d28\u50ac\u5316\u5242\u3002<\/p>\n

\u4f5c\u8005\u4ecb\u7ecd<\/b><\/strong><\/p>\n

\u8be5\u7814\u7a76\u6210\u679c\u53d1\u8868\u5728Nano energy (https:\/\/doi.org\/10.1016\/j.nanoen.2019.03.088)\u4e0a\uff0c\u7b2c\u4e00\u4f5c\u8005\u662f\u9999\u6e2f\u57ce\u5e02\u5927\u5b66\u9ec4\u8d85\uff0c\u901a\u8baf\u4f5c\u8005Paul K. Chu.<\/p>\n

\u901a\u8baf\u4f5c\u8005<\/b><\/strong>\u7b80\u4ecb\uff1a<\/b><\/strong><\/p>\n

Paul K. Chu, <\/b><\/strong>he is Chair Professor of Materials Engineering in both the Department of Physics and Department of Materials Science and Engineering at City University of Hong Kong. \u00a0He is Fellow of the American Physical Society (APS), American Vacuum Society (AVS), Institute of Electrical and Electronics Engineers (IEEE), Materials Research Society (MRS), and Hong Kong Institution of Engineers (HKIE). \u00a0He is also Fellow and a member of the membership committee of the Hong Kong Academy of Engineering Sciences (HKAES). His research interests are quite diverse spanning plasma surface engineering, materials science and engineering, surface science, and functional materials. \u00a0He is a highly cited researcher in materials science according to Clarivate Analytics of the Web of Science.<\/p>\n

\u6587\u7ae0\u94fe\u63a5\uff1a<\/b><\/strong><\/p>\n

https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2211285519302836<\/a><\/p>\n

\u672c\u6587\u7531\u9999\u6e2f\u57ce\u5e02\u5927\u5b66Chair Prof. Paul K. Chu.\u8bfe\u9898\u7ec4\u4f9b\u7a3f\uff0c<\/b><\/strong>\u6750\u6599\u4eba\u7f16\u8f91\u90e8Alisa\u7f16\u8f91\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: tougao@cailiaoren.com.<\/p>\n

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