{"id":70326,"date":"2017-03-14T14:00:49","date_gmt":"2017-03-14T06:00:49","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=70326"},"modified":"2017-03-14T23:10:49","modified_gmt":"2017-03-14T15:10:49","slug":"adv-mater-%ef%bc%9a%e9%80%82%e7%94%a8%e4%ba%8e%e5%ae%bdph%e8%8c%83%e5%9b%b4%e7%9a%84%e6%9e%90%e6%b0%a2%e5%82%ac%e5%8c%96%e5%89%82-3d%e4%bb%8b%e5%ad%94ni1-xcoxse2%e7%ba%b3%e7%b1%b3%e7%89%87","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=70326","title":{"rendered":"Adv. Mater.\uff1a\u9002\u7528\u4e8e\u5bbdpH\u8303\u56f4\u7684\u6790\u6c22\u50ac\u5316\u5242\u20143D\u4ecb\u5b54Ni1-xCoxSe2\u7eb3\u7c73\u7247"},"content":{"rendered":"

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

\u968f\u7740\u6c22\u80fd\u7684\u5927\u70ed\uff0c\u9ad8\u6548\u6790\u6c22\u53cd\u5e94\uff08HER\uff09\u50ac\u5316\u5242\u7684\u63a2\u7d22\u5907\u53d7\u5173\u6ce8\u3002\u4f5c\u4e3a\u66ff\u4ee3\u94c2\u6750\u6599\u7684\u50ac\u5316\u5242\uff0c\u975e\u8d35\u91d1\u5c5e\u57fa\u50ac\u5316\u6750\u6599\u88ab\u5e7f\u6cdb\u7814\u7a76\u3002\u5176\u4e2d\u8fc7\u6e21\u91d1\u5c5e\u7852\u5316\u7269\u56e0\u5176\u56fa\u6709\u7684\u4f4e\u7535\u963b\u7279\u6027\uff0c\u53cd\u5e94\u8fc7\u7a0b\u7535\u8377\u8f6c\u79fb\u8f83\u5feb\uff0c\u6027\u80fd\u4f18\u4e8e\u5176\u4ed6\u8fc7\u6e21\u91d1\u5c5e\u57fa\u50ac\u5316\u5242\uff08\u78b3\u5316\u7269\u3001\u786b\u5316\u7269\u3001\u6c2e\u5316\u7269\u3001\u78f7\u5316\u7269\u3001\u6c27\u5316\u7269\u7b49\uff09\u3002\u4f46\u5176\u50ac\u5316\u6027\u80fd\u4e0e\u94c2\u4ecd\u6709\u4e00\u5b9a\u5dee\u8ddd\uff0c\u4e14\u591a\u6570\u50ac\u5316\u5242\u53ea\u9002\u7528\u4e8e\u9178\u6027\u6216\u78b1\u6027\u7535\u89e3\u6db2\uff0c\u9650\u5236\u4e86\u5176\u5728\u4e0d\u540c\u7535\u89e3\u6c34\u9886\u57df\u7684\u5e94\u7528\u3002\u9009\u62e9\u9ad8\u6548\u3001\u7a33\u5b9a\u3001pH\u9002\u7528\u8303\u56f4\u5e7f\u7684\u6790\u6c22\u50ac\u5316\u5242\u6210\u4e3a\u76ee\u524d\u7814\u7a76\u7684\u4e00\u4e2a\u4e3b\u8981\u65b9\u5411\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u9999\u6e2f\u57ce\u5e02\u5927\u5b66\u5f20\u6587\u519b\uff08\u901a\u8baf\u4f5c\u8005\uff09\u56e2\u961f\u5728<\/strong>Adv. Mater.<\/strong>\u53d1\u6587\uff0c\u9898\u4e3a \u201cNickel\u2013Cobalt Diselenide 3D Mesoporous Nanosheet Networks Supported on Ni Foam: An All-pH Highly Efficient Integrated Electrocatalyst for Hydrogen Evolution<\/strong>\u201d\u3002\u6587\u7ae0\u62a5\u9053\u4e86\u4e00\u7cfb\u5217\u7684\u4ee5\u6ce1\u6cab\u954d\u4e3a\u8f7d\u4f53\u5236\u5907\u76843D Ni1-x<\/sub>Cox<\/sub>Se2<\/sub>\u4ecb\u5b54\u7eb3\u7c73\u7247\uff08Ni1-x<\/sub>Cox<\/sub>Se2<\/sub>MNSN \/ NF\uff0cx\u8303\u56f4\u4ece0\u52300.35\uff09\uff0c\u8be5\u50ac\u5316\u5242\u8868\u73b0\u51fa\u5f88\u9ad8\u7684\u50ac\u5316\u6d3b\u6027\u548c\u7a81\u51fa\u5728\u5bbdpH\u8303\u56f4\u5185\u7684\u50ac\u5316\u7a33\u5b9a\u6027\u3002\u5176\u4e2dNi0.89<\/sub>Co0.11<\/sub>Se2<\/sub>MNSN\/NF\u7684\u50ac\u5316\u6d3b\u6027\u6700\u9ad8\uff0c\u572810mA cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\u8fc7\u7535\u4f4d\u4e3a85mV\uff08pH=14\uff09\uff0cpH=0\u65f6\uff0c\u8fc7\u7535\u4f4d\u4e3a52mV\u3002\u8be5\u5de5\u4f5c\u4e3a\u5236\u5907\u5ec9\u4ef7\u3001pH\u9002\u7528\u8303\u56f4\u5e7f\u3001\u9ad8\u6548\u7684HER\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u601d\u8def\u3002<\/p>\n

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

\u56fe<\/strong>1. Ni1-x<\/sub>Cox<\/sub>Se2<\/sub>MNSN <\/strong>\u7684\u5236\u5907\u8fc7\u7a0b<\/strong>
\n \"\"<\/strong><\/p>\n

NiCo\u5c42\u72b6\u53cc\u6c22\u6c27\u5316\u7269\uff08LDH\uff09\u4ee5\u4e0d\u540c\u7684Ni\/Co\u6bd4\u901a\u8fc7\u6c34\u70ed\u6cd5\u751f\u957f\u4e8e\u6ce1\u6cab\u954d\u4e0a\uff0c\u7852\u5316\u540e\u901a\u8fc7\u9178\u523b\u8680\u53bb\u9664\u6ce1\u6cab\u954d\u6a21\u677f\u540e\u5f97\u5230\u76ee\u6807\u4ea7\u7269\u7eb3\u7c73\u7247\u5c42\u9635\u5217\uff08NSA\uff09\u3002<\/p>\n

\u56fe<\/strong>2. <\/strong>\u5236\u5907\u4e0d\u540c\u9636\u6bb5\u6750\u6599\u7684\u8868\u5f81<\/strong>\"\"<\/p>\n

(A1<\/sub>-A3<\/sub>) \u6ce1\u6cab\u954d\u4e0aNiCo-LDH NSA\u7684SEM\u56fe\uff0c\u7ea630nm\u539a\u7eb3\u7c73\u7247\u5c42\u5782\u76f4\u5747\u5300\u5806\u53e0\uff1b<\/p>\n

(B1<\/sub>-B3<\/sub>) \u7852\u5316\u540e\u7684NiCo-LDH NSA\u7684SEM\uff0c\u6254\u5747\u5300\u5206\u5e03\uff1b<\/p>\n

(C1<\/sub>-C3<\/sub>)0.1M HCl\u5904\u7406\u540e\u7684Ni0.89<\/sub>Co0.11<\/sub>Se2<\/sub> MNSN\uff0c\u7247\u5c42\u539a\u5ea6\u51cf\u5c0f\u4e3a12nm\u3002<\/p>\n

\u56fe<\/strong>3. Ni0.89<\/sub>Co0.11<\/sub>Se2<\/sub> MNSN<\/strong>\u7684<\/strong>TEM<\/strong>\u53ca\u5143\u7d20\u5206\u5e03\u8868\u5f81<\/strong>\"\"<\/p>\n

\u9178\u6d17\u540e\u6750\u6599\u8868\u9762\u51fa\u73b0\u7eb3\u7c73\u5b54\u6d1e\u7ed3\u6784\uff0c\u6676\u683c\u884d\u5c04\u6761\u7eb9\u53ca\u7535\u5b50\u884d\u5c04\u8868\u660e\u6750\u6599\u7684\u591a\u6676\u72b6\u6001\uff0c\u6750\u6599\u4e2dCo\u3001Ni\u3001Se\u5747\u5300\u5206\u5e03\u3002<\/p>\n

\u56fe<\/strong>4.<\/strong>\u6750\u6599\u5728\u78b1\u6027\u6761\u4ef6\u4e0b\u6790\u6c22\u6027\u80fd\u5bf9\u6bd4<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u4e0d\u540c\u6750\u6599\u57281M KOH\u7535\u89e3\u6db2\u4e2dLSV\u5bf9\u6bd4\uff0cNi89<\/sub>Co0.11<\/sub>Se2<\/sub> MNSN\u7684\u03b710<\/sub> \u6700\u5c0f\uff0c\u4e3a 85 mV\uff0c\u4f46\u4ecd\u7565\u5927\u4e8ePt\/C\u6750\u6599\uff1b<\/p>\n

(B)\u4e0e(A)\u5bf9\u5e94\u7684\u4e0d\u540c\u6750\u6599\u7684Tafel\u66f2\u7ebf\uff0cNi89<\/sub>Co0.11<\/sub>Se2<\/sub> MNSN\u7684Tafe\u659c\u7387\u4e3a52mV\/dec\uff0cHER\u8fc7\u7a0b\u4e3aHeyrovsky\u9014\u5f84\uff1b<\/p>\n

(C)100\u548c150mV\u4e0bNi89<\/sub>Co0.11<\/sub>Se2<\/sub> MNSN\u50ac\u5316\u7684i-t\u66f2\u7ebf\u3002\u4e0d\u540c\u7535\u4f4d\u4e0b\u6750\u6599\u6027\u80fd\u7a33\u5b9a\uff1b<\/p>\n

(D)30h\u7a33\u5b9a\u6027\u6d4b\u8bd5\u524d\u540eLSV\u5bf9\u6bd4\uff0c\u7a33\u5b9a\u6027\u826f\u597d\u3002\u5185\u63d2\u56fe\u4e2dSEM\u56fe\u663e\u793a\u7a33\u5b9a\u6027\u6d4b\u8bd5\u524d\u540e\u6750\u65993D\u7ed3\u6784\u4fdd\u6301\u5b8c\u6574\u3002<\/p>\n

\u56fe<\/strong>5.<\/strong>\u6750\u6599\u5728\u9178\u6027\u548c\u4e2d\u6027\u6761\u4ef6\u4e0b\u50ac\u5316\u6027\u80fd\u5bf9\u6bd4<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u3001(B)0.5 M H2<\/sub>SO4<\/sub>\u548c1M PBS\u4e2dNi0.89<\/sub>Co0.11<\/sub>Se2<\/sub> MNSN\/NF\u3001 NiSe2<\/sub> MNSN\/NF\u3001 Pt\/C\/NF\u7684LSV\u5bf9\u6bd4\u3002Ni0.89<\/sub>Co0.11<\/sub>Se2<\/sub> MNSN\u5728\u9178\u6027\u4e2d\u03b710<\/sub>=134mV\u4e3a\u73b0\u6709\u62a5\u9053\u7852\u5316\u7269\u50ac\u5316\u5242\u4e2d\u6700\u5c0f\u7684\uff0c\u4e14\u4e2d\u6027\u6761\u4ef6\u4e2d\u03b710<\/sub>\u4e3a\u975e\u8d35\u91d1\u5c5e\u57fa\u50ac\u5316\u5242\u4e2d\u6700\u5c0f\u7684\u3002<\/p>\n

\u56fe6. Ni0.89<\/sub>Co0.11<\/sub>Se2<\/sub> MNSN\/NF\u7684DFT\u6a21\u62df\u8ba1\u7b97<\/strong><\/p>\n

\"\"(A)Ni21<\/sub>Co3<\/sub>Se48<\/sub>\u7684\u539f\u5b50\u7ed3\u6784\u793a\u610f\u56fe;<\/p>\n

(B)\u3001(C)Ni21<\/sub>Co3<\/sub>Se48<\/sub>\u5438\u9644H+<\/sup> \u548c H2<\/sub>O\u7684\u9876\u89c6\u793a\u610f\u56fe\uff1b<\/p>\n

(D)DFT\u8ba1\u7b97\u6240\u5f97\u7684Ni21<\/sub>Co3<\/sub>Se4<\/sub>(I) \u548cNiSe2<\/sub>(II)\u5438\u9644H+<\/sup> \u3001H2<\/sub>O\u7684\u5438\u9644\u80fd\u3002Ni21<\/sub>Co3<\/sub>Se4<\/sub>\u5bf9H+<\/sup> \u3001H2<\/sub>O\u7684\u5438\u9644\u80fd\u5747\u589e\u52a0\uff0cCo\u7684\u63ba\u5165\u964d\u4f4e\u4e86\u5438\u9644\u80fd\u5792\u3002<\/p>\n

(E)\u8ba1\u7b97\u5f97Ni89<\/sub>Co0.11<\/sub>Se2<\/sub>\u90e8\u5206\u5143\u7d20\u548c\u603b\u7535\u5b50\u5bc6\u5ea6\u3002\u8868\u660eNi0.89<\/sub>Co0.11<\/sub>Se2<\/sub>\u5904\u4e8e\u91d1\u5c5e\u6001\uff0c\u5177\u6709\u8f83\u9ad8\u7684\u5bfc\u7535\u6027\u3002<\/p>\n

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

\u4f5c\u8005\u4ee5\u6ce1\u6cab\u954d\u4e3a\u57fa\u4f53\u5408\u6210\u4e00\u7cfb\u5217\u76843D Ni1-x<\/sub>Cox<\/sub>Se2<\/sub>\u4ecb\u5b54\u7eb3\u7c73\u7247\uff0c\u56e0\u5176\u72ec\u7279\u76843D\u7ed3\u6784\u3001\u8f83\u9ad8\u7684\u5bfc\u7535\u6027\uff0c\u5176\u5728\u4e0d\u540cpH\u4e0b\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u50ac\u5316\u6027\u80fd\u3002\u8be5\u65b9\u6cd5\u5408\u6210\u7684\u5757\u72b6\u6574\u4f53\u50ac\u5316\u7535\u6781\u907f\u514d\u4e86\u5c06\u7c89\u672b\u50ac\u5316\u5242\u9644\u7740\u4e8e\u7535\u6781\u8868\u9762\u65f6\u7c98\u7ed3\u5242\u7684\u5f15\u5165\uff0c\u4fdd\u8bc1\u4e86\u50ac\u5316\u5242\u7684\u673a\u68b0\u3001\u5316\u5b66\u7a33\u5b9a\u6027\u3002\u8be5\u6750\u6599\u53ca\u65b9\u6cd5\u5177\u6709\u5f88\u597d\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Nickel\u2013Cobalt Diselenide 3D Mesoporous Nanosheet Networks Supported on Ni Foam: An All-pH Highly Efficient Integrated Electrocatalyst for Hydrogen Evolution <\/a>(Adv. Mater. 2017, DOI: 10.1002\/adma.201606521)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u5b66\u672f\u7ec4 Starkle\u00a0\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\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

\u53c2\u4e0e\u65b0\u80fd\u6e90\u8bdd\u9898\u8ba8\u8bba\u8bf7\u52a0\u5165\u201c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u6750\u6599\u4ea4\u6d41\u7fa4\u00a0422065952\u201d\u3002\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\u7bb1tougao@cailiaoren.com\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":"

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