{"id":51478,"date":"2024-05-21T08:49:40","date_gmt":"2024-05-21T00:49:40","guid":{"rendered":"https:\/\/www.chemhui.com\/?p=51478"},"modified":"2024-05-12T08:50:30","modified_gmt":"2024-05-12T00:50:30","slug":"nature%e5%ad%90%e5%88%8a%ef%bc%9anga-cofpt%e9%ab%98%e6%95%88%e7%94%b5%e5%82%ac%e5%8c%96her","status":"publish","type":"post","link":"http:\/\/www.chemhui.com\/nature%e5%ad%90%e5%88%8a%ef%bc%9anga-cofpt%e9%ab%98%e6%95%88%e7%94%b5%e5%82%ac%e5%8c%96her\/","title":{"rendered":"\u200bNature\u5b50\u520a\uff1aNGA-COF@Pt\u9ad8\u6548\u7535\u50ac\u5316HER"},"content":{"rendered":"
\u4e8c\u7ef4\u5171\u4ef7\u6709\u673a\u9aa8\u67b6\uff082D COFs\uff09\u53ca\u5176\u884d\u751f\u7269\u5177\u6709\u7eb3\u7c73\u5b54\u6784\u578b\u3001\u7a33\u5b9a\u7684\u5468\u671f\u7ed3\u6784\u3001\u4e30\u5bcc\u7684\u914d\u4f4d\u4f4d\u70b9\u548c\u9ad8\u7684\u6bd4\u8868\u9762\u79ef\u7b49\u4f18\u70b9\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u50ac\u5316\u5242\u3002<\/section>\n

 <\/p>\n

\u57fa\u4e8e\u6b64\uff0c\u5409\u6797\u5927\u5b66\u65bd\u5c55\u6559\u6388\u548c\u9646\u6d77\u5f66\u6559\u6388\u3001\u957f\u6625\u5e94\u7528\u5316\u5b66\u7814\u7a76\u6240\u90a2\u5dcd\u7814\u7a76\u5458\u7b49\u4eba<\/strong>\u62a5\u9053\u4e86\u901a\u8fc7\u7535\u5316\u5b66\u4fee\u9970Pt\u5355\u539f\u5b50\u62102D\u5bccN\u77f3\u58a8\u70ef\u7c7b\u4f3c\u7269COF\uff0c\u5728\u5ba4\u6e29\u548c\u538b\u529b\u4e0b\u5236\u5907\u4e86\u4e00\u79cd\u65e0\u5bfc\u7535\u5242\u548c\u65e0\u70ed\u89e3\u7684\u57fa\u4e8ePt\u7684SAC\uff08NGA-COF@Pt\uff09\u3002<\/section>\n
\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a10 mA cm-2<\/sup>\u65f6\uff0c\u9a71\u52a8HER\u6240\u9700\u7684\u8fc7\u7535\u4f4d\u57280.5 M H2<\/sub>SO4<\/sub>\u4e2d\u4e3a13 mV\uff0c\u57281 M KOH\u4e2d\u4e3a19 mV\uff0c\u662f\u5df2\u62a5\u9053\u7684\u6700\u6709\u6548\u7684HER\u50ac\u5316\u5242\u4e4b\u4e00\u3002\u572844 mV\u8fc7\u7535\u4f4d\u4e0b\uff0c\u5176\u5b9e\u73b0\u9ad8\u8d28\u91cf\u6d3b\u6027\uff0818165 A gPt<\/sub>-1<\/sup>\uff09\u548c\u9ad8\u5468\u8f6c\u9891\u7387\uff08TOF\uff0c18.4 s-1<\/sup>\uff09\uff0c\u6781\u5927\u5730\u63d0\u9ad8\u4e86Pt\u5355\u539f\u5b50\u6d3b\u6027\u4f4d\u70b9\u7684\u672c\u5f81\u6d3b\u6027\u3002<\/section>\n
\"1\"<\/section>\n
VASP\u89e3\u8bfb<\/strong><\/section>\n
\u901a\u8fc7DFT\u8ba1\u7b97\u548cXPS\uff0c\u4f5c\u8005\u63ed\u793a\u4e86NGA-COF\u4e0e\u5355\u4e2aPt\u539f\u5b50\u5316\u5b66\u952e\u4e4b\u95f4\u7684\u7535\u5b50\u7ed3\u6784\u3002\u7535\u5b50\u5b9a\u4f4d\u51fd\u6570\uff08ELF\uff09\u548cBader\u7535\u8377\u5206\u6790\u8bc1\u5b9e\uff0c\u5355\u4e2aPt\u539f\u5b50\u4f1a\u5438\u5f15\u6765\u81ea\u4e24\u4e2a\u914d\u4f4dN\u539f\u5b50\u7684\u7535\u5b50\u4e91\u3002<\/section>\n
\u7535\u8377\u5bc6\u5ea6\u5dee\u8ba1\u7b97\u8868\u660e\uff0cN\u7684\u7535\u5b50\u88ab\u5438\u5f15\u5230Pt\u4f4d\u70b9\uff0c\u5f62\u6210Pt\u2190N\u7535\u5b50\u8def\u5f84\u3002\u5728\u5f15\u5165Pt\u540e\uff0cC\u7684\u5316\u5b66\u73af\u5883\u4ecd\u7136\u5b58\u5728\uff0c\u8868\u660ePt\u5e76\u6ca1\u6709\u76f4\u63a5\u4e0eC\u4f4d\u914d\u4f4d\u3002<\/section>\n
\"2\"<\/section>\n
\u6b64\u5916\uff0c\u5f15\u5165Pt\u540e\uff0cN\u7684\u7ed3\u5408\u80fd\u663e\u8457\u589e\u52a0\uff0c\u8868\u660e\u5f15\u5165\u7684Pt\u539f\u5b50\u4e0eN\u800c\u4e0d\u662f\u4e0eO\u914d\u4f4d\u3002N\u5143\u7d20\u7ed3\u5408\u80fd\u7684\u589e\u52a0\uff0c\u8868\u660eN\u7684\u7535\u5b50\u4e91\u5411Pt\u65b9\u5411\u79fb\u52a8\u3002<\/section>\n
\u7ed3\u679c\u8868\u660e\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u901a\u8fc7\u7406\u60f3\u7684\u91d1\u5c5e\u8f7d\u4f53\u76f8\u4e92\u4f5c\u7528\u63d0\u9ad8Pt\u4f4d\u70b9\u7684\u6d3b\u6027\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u63d0\u9ad8Pt\u7684\u7535\u8d1f\u6027\u6765\u589e\u5f3a\u5bf9\u50ac\u5316\u524d\u9a71\u4f53H+<\/sup>\u548cH3<\/sub>O+<\/sup>\u7684\u5438\u9644\u80fd\u529b\u3002\u603b\u4e4b\uff0c\u7ecf\u8fc7NGA-COF\u8f7d\u4f53\u4f18\u5316\u548c\u8c03\u6574\u7684Pt\u7535\u5b50\u7ed3\u6784\u5728\u5b9e\u9a8c\u548c\u7406\u8bba\u4e0a\u90fd\u5177\u6709\u8f83\u9ad8\u7684HER\u6027\u80fd\u3002<\/section>\n
\"8\"<\/section>\n
Single-atom platinum with asymmetric coordination environment on fully conjugated covalent organic framework for efficient electrocatalysis.\u00a0Nat. Commun.,\u00a0<\/em>2024<\/strong>, DOI: https:\/\/doi.org\/10.1038\/s41467-024-46872-x.<\/section>\n","protected":false},"excerpt":{"rendered":"

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