{"id":163025,"date":"2018-12-28T06:30:43","date_gmt":"2018-12-27T22:30:43","guid":{"rendered":"\/\/m.iemloyee.com\/?p=163025"},"modified":"2018-12-27T17:18:01","modified_gmt":"2018-12-27T09:18:01","slug":"%e6%b7%b1%e5%9c%b3%e5%a4%a7%e5%ad%a6energy-environmental-science%e8%8b%af%e8%83%ba%e9%94%9a%e5%ae%9a%e5%92%8c%e5%be%ae%e6%b3%a2%e8%bf%98%e5%8e%9f%e6%b3%95%e5%88%b6%e5%a4%87%e9%93%82%e5%8d%95","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=163025","title":{"rendered":"\u6df1\u5733\u5927\u5b66Energy & Environmental Science:\u82ef\u80fa\u951a\u5b9a\u548c\u5fae\u6ce2\u8fd8\u539f\u6cd5\u5236\u5907\u94c2\u5355\u539f\u5b50\u6790\u6c22\u50ac\u5316\u5242"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n 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\u76ee\u524d\uff0c\u5355\u539f\u5b50\u50ac\u5316\u5242\u5728\u7535\u50ac\u5316\u4e2d\u7684\u5e94\u7528\u4ecd\u7136\u6bd4\u8f83\u5c11\u89c1\uff0c\u4e00\u65b9\u9762\u662f\u7531\u4e8e\u5355\u539f\u5b50\u50ac\u5316\u5242\u7684\u5236\u5907\u6761\u4ef6\u975e\u5e38\u82db\u523b\uff0c\u5236\u5907\u8fc7\u7a0b\u4e2d\u6613\u5f62\u6210\u56e2\u7c07\u751a\u81f3\u7eb3\u7c73\u7c92\u5b50\u3002\u53e6\u4e00\u65b9\u9762\u5bfb\u627e\u65e2\u5408\u9002\u4e8e\u5236\u5907\u5355\u539f\u5b50\u50ac\u5316\u5242\u53c8\u517c\u5907\u826f\u597d\u5bfc\u7535\u6027\u7684\u7406\u60f3\u57fa\u5e95\u4e5f\u662f\u5173\u952e\u74f6\u9888\u3002\u5c24\u5176\u662f\u7535\u50ac\u5316\u6790\u6c22\u9886\u57df\uff0c\u51e0\u4e4e\u6240\u6709\u5355\u539f\u5b50\u50ac\u5316\u5242\u7684\u57fa\u5e95\u90fd\u662f\u91d1\u5c5e\u6c27\u5316\u7269\uff0c\u9664\u4e86\u5bfc\u7535\u6027\u5dee\u4ee5\u5916\uff0c\u91d1\u5c5e\u6c27\u5316\u7269\u5728\u5f3a\u9178\u6027\u73af\u5883\u4e0b\u4e5f\u65e0\u6cd5\u7a33\u5b9a\u5b58\u5728\u3002<\/p>\n \u00a0\u3010\u6210\u679c\u4ecb\u7ecd\u3011<\/b><\/strong><\/p>\n \u6700\u8fd1\uff0c\u6df1\u5733\u5927\u5b66\u5218\u5251\u6d2a\u3001\u5f20\u9ed4\u73b2\u8bfe\u9898\u7ec4\u4e0e\u52a0\u62ff\u5927\u897f\u5b89\u5927\u7565\u5927\u5b66\u5b59\u5b66\u826f\u9662\u58eb<\/b><\/strong>\u5408\u4f5c\uff0c\u5f00\u53d1\u4e86\u4e00\u79cd\u65b0\u9896\u7b80\u4fbf\u7684\u82ef\u80fa\u951a\u5b9a\u548c\u5fae\u6ce2\u8fd8\u539f\u6cd5\u5728\u77f3\u58a8\u70ef\u4e0a\u8d1f\u8f7d\u94c2\u5355\u539f\u5b50\uff08Pt SASs\/AG\uff09\u7528\u4f5c\u6790\u6c22\u50ac\u5316\u5242\u3002\u8be5\u65b9\u6cd5\u7b80\u5355\u6613\u884c\uff0c\u5236\u5907\u6761\u4ef6\u6e29\u548c\u3001\u5236\u5907\u8fc7\u7a0b\u4e2d\u65e0\u9700\u9ad8\u6e29\u5904\u7406\uff0c\u5e76\u4e14\u4e0d\u8bba\u8d35\u91d1\u5c5e\u524d\u9a71\u4f53\u7528\u91cf\u591a\u5c11\uff0c\u5747\u80fd\u4e13\u4e00\u5730\u5f62\u6210\u5355\u539f\u5b50\u4f4d\u70b9\u5206\u6563\u5728\u77f3\u58a8\u70ef\u8868\u9762\u3002\u540c\u65f6\u8be5\u65b9\u6cd5\u8fd8\u5229\u7528\u4e86\u77f3\u58a8\u70ef\u4f18\u5f02\u7684\u5bfc\u7535\u6027\uff0c\u5f88\u597d\u5730\u89e3\u51b3\u4e86\u5355\u539f\u5b50\u50ac\u5316\u5242\u5e94\u7528\u4e8e\u7535\u50ac\u5316\u4f53\u7cfb\u7684\u6280\u672f\u74f6\u9888\u3002<\/p>\n \u7814\u7a76\u53d1\u73b0\uff0cPt SASs\/AG\u5177\u6709\u4f18\u5f02\u7684HER\u6d3b\u6027\uff0c\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a10mA cm-2<\/sup>\u65f6\u8fc7\u7535\u52bf\u03b7= 12mV\uff0c\u5728\u03b7= 50mV\u65f6\u8d28\u91cf\u7535\u6d41\u5bc6\u5ea6\u4e3a22400 A\u00a0g-1<\/sup>Pt<\/sub>\uff0c\u6bd4\u5e02\u552e20wt\uff05\u00a0Pt\/C\u9ad846\u500d\u3002\u00a0\u6b64\u5916\uff0cPt SASs\/AG\u50ac\u5316\u5242\u6bd4Pt\/C\u5177\u6709\u66f4\u4f18\u8d8a\u7684\u7a33\u5b9a\u6027\u3002\u7403\u5dee\u77eb\u6b63\u900f\u5c04\u7535\u955c\uff08AC-HAADF-STEM\uff09\u548cX\u5c04\u7ebf\u5438\u6536\u5149\u8c31\uff08XAFS\uff09\u8868\u660e\uff0c\u5229\u7528\u82ef\u80fa\u951a\u5b9a\u7684\u94c2\u5355\u539f\u5b50\u5206\u6563\u826f\u597d\uff0c\u6ca1\u6709\u56e2\u7c07\u5f62\u6210\u3002\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\u8868\u660e\u539f\u5b50\u7ea7\u5206\u6563\u7684Pt\u4f4d\u70b9\u4e0e\u82ef\u80fa\u4e0a\u7684\u6c2e\u7ed3\u5408\u4f18\u5316\u4e86Pt\u7684\u7535\u5b50\u7ed3\u6784\u548c\u6c22\u5438\u9644\u80fd\uff0c\u4f7f\u5f97Pt\u5355\u539f\u5b50\u5177\u6709\u4f18\u5f02\u7684HER\u50ac\u5316\u6d3b\u6027\u3002<\/p>\n \u8be5\u6210\u679c\u4ee5\u00a0\u201cHighly stable single Pt atomic sites anchored on<\/b><\/strong>\u00a0<\/b><\/strong>aniline-stacked graphene for hydrogen evolution<\/b><\/strong>\u00a0<\/b><\/strong>reaction<\/b><\/strong>\u201d\u00a0\u4e3a\u9898\u53d1\u8868\u5728\u671f\u520a Energy & Environmental Science<\/b><\/strong>\u4e0a\uff0c\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\u4e3a\u6df1\u5733\u5927\u5b66\u5316\u5b66\u4e0e\u73af\u5883\u5de5\u7a0b\u5b66\u9662\u535a\u58eb\u540e\u53f6\u76db\u534e\u3001\u7855\u58eb\u7814\u7a76\u751f\u7f57\u98de\u71d5\u548c\u5f20\u9ed4\u73b2\u6559\u6388\u3002<\/p>\n \u3010\u56fe\u6587\u89e3\u6790\u3011<\/b><\/strong><\/p>\n \u56fe1. Pt SASs\/AG\u7684\u5236\u5907\u6d41\u7a0b\u56fe\u53ca\u6837\u54c1\u7ed3\u6784\u793a\u610f\u56fe<\/p>\n \u56fe2.<\/p>\n Pt SASs\/AG\u7684\uff08a\uff09\u4f4e\u500d\u7684\u6697\u573aTEM\u56fe\u548c\u76f8\u5e94\u7684\uff08b\uff09C\uff0cN\u548cPt\u7684\u5143\u7d20\u5206\u5e03\uff1b\uff08c-d\uff09Pt SASs\/AG\u4e0d\u540c\u653e\u5927\u500d\u6570\u7684HR-TEM\u56fe\uff1b\uff08e-f\uff09Pt SASs\/AG\u7684AC HAADF-STEM\u56fe\u50cf\u3002<\/p>\n \u56fe3<\/p>\n \uff08a\uff09Pt SASs\/AG\u548cPt\/C\u7684Pt 4f\u5149\u8c31; Pt SASs\/AG\u548cPt\/C\u7684Pt L3<\/sub>\u8fb9\u7684\uff08b\uff09XANES\u548c\uff08c\uff09FT-EXAFS\uff08\u6ca1\u6709\u76f8\u4f4d\u6821\u6b63\uff09; \uff08d\uff09Pt SASs\/AG R-\u7a7a\u95f4\u7684\u76f8\u5e94EXAFS\u62df\u5408\u66f2\u7ebf\uff0c\u63d2\u56fe\u662fPt SASs\/AG\u7684\u6a21\u578b\u3002<\/p>\n \u56fe4<\/p>\n \uff08a\uff09\u4e0d\u540cH2<\/sub>PtCl6<\/sub>\u6eb6\u6db2\u7528\u91cf\uff080.3mL\uff0c0.5mL\uff0c1mL\uff0c2mL\u548c5mL\uff09\u5236\u5907\u7684Pt SASs\/AG\u4e2dPt\u7684\u8d28\u91cf\u767e\u5206\u6bd4\uff0c\uff08b-f\uff09\u5206\u522b\u4e3a\u75280.3mL\uff0c0.5mL\uff0c1mL\uff0c2mL\u548c5mL H2<\/sub>PtCl6<\/sub>\u6eb6\u6db2\u5236\u5907\u7684AC-HAADF-STEM\u56fe\u50cf\u3002<\/p>\n \u56fe5.<\/p>\n \uff08a\uff09Pt SASs\/AG\u548cPt\/C\u7684LSV\u66f2\u7ebf\uff0c\u7535\u6d41\u5bc6\u5ea6\u5f52\u4e00\u5316\u4e3a\u51e0\u4f55\u9762\u79ef\uff1b\uff08b\uff090.5 M H2<\/sub>SO4<\/sub>\u4e2d\u626b\u901f\u4e3a2 mV\u00b7s-1<\/sup>\u65f6Pt SASs\/AG\u548cPt\/C\u7684\u8d28\u91cf\u6d3b\u6027\uff08\u63d2\u56fe\u662fPt\/C\u7684\u653e\u5927\u66f2\u7ebf\uff09\uff1b\uff08c\uff09Pt SASs\/AG\uff0cPt\/C\u548c\u5176\u4ed6\u6587\u732e\u62a5\u9053\u7684Pt\u57fa\u50ac\u5316\u5242\u57280.5M H2<\/sub>SO4<\/sub>\u4e2d\u7684\u8d28\u91cf\u6d3b\u6027\uff1b\uff08d\uff09Pt SASs\/AG\u548cPt\/C\u7684Tafel\u66f2\u7ebf\uff1b\uff08e\uff092000\u6b21\u5faa\u73af\u524d\u540ePt SASs\/AG\u7684LSV\u66f2\u7ebf\uff1b\uff08f\uff09Pt SASs\/AG\u548cPt\/C\u57280.5 M H2<\/sub>SO4<\/sub>\u6eb6\u6db2\u4e2d10 mA\u00b7cm-2<\/sup>\u7684\u8ba1\u65f6\u7535\u4f4d\u66f2\u7ebf\u3002<\/p>\n \u56fe6<\/p>\n \uff08a\uff09Pt\uff08111\uff09\uff0c\uff08b\uff09Ptab<\/sub>\/G\u548c\uff08c\uff09Pt SASs\/AG\u7684DFT\u8ba1\u7b97\u6a21\u578b\uff08\u4fef\u89c6\u56fe\uff09;\uff08d\uff09Pt\uff08111\uff09\uff0c\uff08e\uff09Ptab<\/sub>\/G\u548c\uff08f\uff09Pt SASs\/AG\u4e2dPt\u76845d\u8f68\u9053\u7684PDOS;\uff08g\uff09\u8ba1\u7b97\u7684Pt\uff08111\uff09\uff0cPtab<\/sub>\/G\u548cPt SASs\/AG\u7684HER\u81ea\u7531\u80fd\u56fe; \uff08h\uff09Pt SASs\/AG\u548c\uff08i\uff09Pt\/C\u7684\u6c34\u63a5\u89e6\u89d2\u3002<\/p>\n \u3010\u5c0f\u7ed3<\/b><\/strong>\u3011<\/p>\n \u672c\u8bfe\u9898\u7ec4\u5f00\u53d1\u4e86\u4e00\u79cd\u7b80\u4fbf\u7684\u82ef\u80fa\u951a\u5b9a\u548c\u5fae\u6ce2\u8fd8\u539f\u6cd5\u5728\u77f3\u58a8\u70ef\u4e0a\u8d1f\u8f7dPt\u5355\u539f\u5b50(Pt SASs\/ AG)\u7528\u4f5c\u6790\u6c22\u53cd\u5e94\u7684\u50ac\u5316\u5242\u3002Pt SASs\/AG\u5177\u6709\u4f18\u5f02\u7684HER\u50ac\u5316\u6027\u80fd\uff0c\u5728\u8f83\u4f4e\u7684\u8fc7\u7535\u4f4d\u4e0b\u5177\u6709\u8f83\u9ad8\u7684\u6bd4\u7535\u6d41\u5bc6\u5ea6\u548c\u8d28\u91cf\u7535\u6d41\u5bc6\u5ea6\u3002\u5176\u7a33\u5b9a\u6027\u4e5f\u663e\u8457\u4f18\u4e8e\u5546\u752820wt\uff05\u00a0Pt\/C\u3002Pt SASs\/ AG\u5177\u6709\u4f18\u5f02\u7684HER\u6d3b\u6027\u4e3b\u8981\u539f\u56e0\u5728\u4e8e\uff081\uff09\u539f\u5b50\u5206\u6563\u7684\u50ac\u5316\u4f4d\u70b9\u4f7f\u8d35\u91d1\u5c5ePt\u8fbe\u5230\u6700\u5927\u7684\u5229\u7528\u7387\uff1b\uff082\uff09\u82ef\u80fa\u8c03\u8282\u4e86Pt\u539f\u5b50\u7684d\u5e26\u7ed3\u6784\uff0c\u964d\u4f4e\u4e86\u5438\u9644\u6001H\u7684\u5409\u5e03\u65af\u81ea\u7531\u80fd\uff1b\uff083\uff09\u77f3\u58a8\u70ef\u4f18\u5f02\u7684\u5bfc\u7535\u6027\uff1b\uff084\uff09\u82ef\u80fa\u901a\u8fc7\u03c0-\u03c0\u76f8\u4e92\u4f5c\u7528\u5806\u53e0\u5728\u77f3\u58a8\u70ef\u4e0a\uff0c\u6539\u5584\u4e86\u50ac\u5316\u5242\u754c\u9762\u7684\u4eb2\u6c34\u6027\u3002<\/p>\n \u91c7\u7528\u8be5\u65b9\u6cd5\u5236\u5907\u5f97\u5230\u7684Pt SASs\/AG\u50ac\u5316\u5242\u7ed3\u6784\u65b0\u9896\uff0c\u50ac\u5316\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u4f18\u5f02\uff0c\u4e3a\u4f4e\u542b\u91cf\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u8bbe\u8ba1\u548c\u7814\u53d1\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002<\/p>\n
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