{"id":245659,"date":"2023-01-16T06:00:17","date_gmt":"2023-01-15T22:00:17","guid":{"rendered":"\/\/m.iemloyee.com\/?p=245659"},"modified":"2023-01-15T19:38:49","modified_gmt":"2023-01-15T11:38:49","slug":"%e3%80%90%e5%b7%b2%e5%ae%a1%e3%80%91%e5%8c%97%e5%b8%88%e5%a4%a7%e5%ad%99%e6%a0%b9%e7%8f%ad%e6%95%99%e6%8e%88jacs%ef%bc%9acu2%e8%b0%83%e6%8e%a7fe3%e4%bd%8d%e7%82%b9%e8%87%aa%e6%97%8b","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=245659","title":{"rendered":"\u5317\u5e08\u5927\u5b59\u6839\u73ed\u6559\u6388JACS\uff1aCu2+\u8c03\u63a7Fe3+\u4f4d\u70b9\u201c\u81ea\u65cb\u78c1\u6548\u5e94\u201d\u5b9e\u73b0\u9ad8\u6548OER"},"content":{"rendered":"

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

\u4e3a\u4e86\u6ee1\u8db3\u73b0\u4ee3\u793e\u4f1a\u7684\u80fd\u6e90\u9700\u6c42\uff0c\u5bfb\u6c42\u53ef\u6301\u7eed\u3001\u6e05\u6d01\u548c\u9ad8\u6548\u7387\u7684\u80fd\u6e90\u751f\u4ea7\u5c24\u4e3a\u91cd\u8981\u3002\u7535\u89e3\u6c34\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u53ef\u6301\u7eed\u6c22\u751f\u6210\u9014\u5f84\uff0c\u88ab\u8ba4\u4e3a\u662f\u672a\u6765\u53ef\u518d\u751f\u80fd\u6e90\u751f\u4ea7\u3001\u50a8\u5b58\u548c\u4f7f\u7528\u7684\u6709\u6548\u65b9\u6cd5\u3002\u7535\u89e3\u6c34\u7531\u9634\u6781\u6790\u6c22\uff08HER\uff09\u548c\u9633\u6781\u6790\u6c27\uff08OER\uff09\u4e24\u4e2a\u534a\u53cd\u5e94\u7ec4\u6210\u3002\u5176\u4e2d\u6790\u6c27\u53cd\u5e94\uff08OER\uff09\u662f\u6c34\u88c2\u89e3\u7684\u51b3\u901f\u6b65\u9aa4\u3002O-O\u952e\u7684\u5f62\u6210\u9700\u8981\u7834\u574f\u4e24\u4e2aO-H\u952e\uff0c\u6d89\u53ca\u5230\u6297\u78c1\u6027\u542b\u6c27\u4e2d\u95f4\u4f53\u7684\u81ea\u65cb\u7535\u5b50\u6f14\u5316\uff0c\u751f\u6210\u987a\u78c1\u6027\u7684\u6c27\u5206\u5b50\u3002\u50ac\u5316\u5242\u7684\u81ea\u65cb\u7279\u6027\u53ef\u80fd\u5728\u6c34\u76f8\u5206\u5b50\u7535\u50ac\u5316\u4e2d\u8d77\u91cd\u8981\u4f5c\u7528\u3002\u800c\u5728\u6c27\u5206\u5b50\u50ac\u5316\u8fc7\u7a0b\u4e2d\uff0c\u6709\u5173\u50ac\u5316\u5242\u81ea\u65cb\u7535\u5b50\u4f5c\u7528\u4e8e\u7535\u50ac\u5316<\/span><\/strong>\u7684\u7814\u7a76\u5c5e\u4e8e\u65b0\u7684\u524d\u6cbf\u9886\u57df\u3002\u76ee\u524d\u6709\u7814\u7a76\u4eba\u5458\u5df2\u7ecf\u89c2\u5bdf\u5230\u4e86\u7535\u5b50\u81ea\u65cb\u786e\u5b9e\u53ef\u4ee5\u5f71\u54cdOER\u6027\u80fd\uff0c\u4f46\u7cfb\u7edf\u5168\u9762\u5730\u8bc1\u660e\u548c\u7814\u7a76\u6b64\u73b0\u8c61\u7684\u76f8\u5173\u5de5\u4f5c\u4ecd\u4e0d\u591a\u89c1\u3002<\/p>\n

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

\u57fa\u4e8e\u4ee5\u4e0a\u96be\u9898\uff0c\u5317\u4eac\u5e08\u8303\u5927\u5b66\u5b59\u6839\u73ed\u6559\u6388\u56e2\u961f<\/strong>\u4ee5NiFe\u5c42\u72b6\u53cc\u6c22\u6c27\u5316\u7269\uff08NiFe-LDHs\uff09\u4f5c\u4e3a\u78b1\u6027OER\u50ac\u5316\u5242\uff0c\u63d0\u51fa\u4e86\u4e00\u79cd\u65b0\u7684\u78c1\u6027Fe3+<\/sup>\u7684\u81ea\u65cb\u5206\u88c2\u63d0\u5347OER\u50ac\u5316\u6027\u80fd\u7b56\u7565\u2014\u901a\u8fc7Cu2+<\/sup>\u7684Jahn-Teller\u6548\u5e94\u6709\u6548\u5730\u8bf1\u5bfc\u548c\u4f18\u5316\u4e86Fe3+<\/sup>\u4f4d\u7684\u7535\u5b50\u7ed3\u6784\u548c\u81ea\u65cb\u6001\u3002\u7406\u8bba\u8ba1\u7b97\u7ed3\u5408\u539f\u4f4dATR FT-IR\u63ed\u793a\u4e86Cu2+<\/sup>\u7684\u5f15\u5165\u4fc3\u8fdbO-O\u952e\u7684\u5f62\u6210\uff0c\u63d0\u5347\u4e86OH–<\/sup>\u751f\u6210O2<\/sub>\u53cd\u5e94\u6548\u7387\u3002Cu1<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDH\u50ac\u5316\u5242\u572810 mA cm-2<\/sup>\u65f6\u7684\u8fc7\u7535\u4f4d\u4e3a210 mV\u3002\u5728Cu2+<\/sup>\u7684\u8c03\u63a7\u4e0b\uff0c\u5b9e\u73b0\u4e86NiFe-LDHs\u4ece\u4e9a\u94c1\u78c1\u4f53\u5230\u94c1\u78c1\u4f53\u7684\u8f6c\u53d8\uff0c\u5e76\u9996\u6b21\u8bc1\u660e\u4e86\u5728\u78c1\u573a\u4f5c\u7528\u4e0b\uff0c\u4e0eNiFe-LDHs\u76f8\u6bd4\uff0c CuNiFe-LDHs\u7684OER\u6027\u80fd\u663e\u8457\u63d0\u9ad8\u3002\u78c1\u573a\u8f85\u52a9\u6761\u4ef6\u4e0bCu1<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u572810 mA cm-2<\/sup>\u65f6\u5177\u6709180 mV\u7684\u8d85\u4f4e\u8fc7\u7535\u4f4d\uff0c\u662f\u76ee\u524dOER\u6027\u80fd\u6700\u597d\u7684\u6750\u6599\u4e4b\u4e00\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cRegulating the Spin State of FeIII<\/sup> Enhances the Magnetic Effect of the Molecular Catalysis Mechanism<\/strong>\u201d\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aJ. Am. Chem. Soc.<\/em><\/strong>\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n

\u221a \u901a\u8fc7Cu2+<\/sup>\u7684Jahn-Teller\u6548\u5e94\u6709\u6548\u5730\u8bf1\u5bfc\u548c\u4f18\u5316\u4e86Fe3+<\/sup>\u7684\u7535\u5b50\u7ed3\u6784\u548c\u81ea\u65cb\u6001\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6548OER\uff0c\u5e76\u901a\u8fc7DFT\u548cATR FT-IR\u63ed\u793a\u53cd\u5e94\u673a\u5236\u3002<\/p>\n

\u56db\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>1\u00a0<\/strong>\u50ac\u5316\u5242\u7684\u7ec4\u5206\u8868\u5f81<\/strong> \u00a9 2022 ACS \u00a0<\/span><\/p>\n

Cux<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\uff08x=0\u30010.25\u30010.5\u30011\u30012\u30013\uff09\u7684\uff08a\uff09XRD\uff0c\uff08b\uff09FT-IR\u5149\u8c31\uff0c\uff08c\uff09Fe\u3001Ni\u548cCu\u7684\u6469\u5c14\u6bd4\uff0c\uff08d-e\uff09Ni 2p\u548cFe 2p\u7684\u9ad8\u5206\u8fa8\u7387XPS\uff0c\uff08f\uff09\u4ef7\u5e26\u8c31\u3002<\/p>\n

 <\/p>\n

\"\"<\/p>\n

\u56fe2 \u50ac\u5316\u5242\u7684\u5fae\u89c2\u7ed3\u6784\u8868\u5f81\u00a0<\/strong> \u00a9 2022 ACS \u00a0<\/span><\/p>\n

\uff08a\uff09Cux<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u5408\u6210\u8fc7\u7a0b\u793a\u610f\u56fe\uff0c\uff08b-c\uff09Cu0<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u548cCu1<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u7684HRTEM\uff0c\uff08d\uff09Cu0<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u7684TEM\u4ee5\u53caCu\u3001Fe\u3001Ni\u7684EDS mapping\uff0c\uff08e\uff09Cu1<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u7684TEM\u4ee5\u53caCu\u3001Fe\u3001Ni\u7684EDS mapping\u3002<\/p>\n

 <\/p>\n

\"\"<\/p>\n

\u56fe3 \u7535\u5316\u5b66<\/strong>OER<\/strong>\u6027\u80fd<\/strong>\u00a0\u00a0 \u00a9 2022 ACS \u00a0<\/span><\/strong><\/p>\n

\uff08a\uff09Cux<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\uff08x=0\u30010.25\u30010.5\u30011\u30012\u30013\uff09\u3001RuO2<\/sub>\u548cCP\u7684\u6781\u5316\u66f2\u7ebf\uff0c\uff08b-c\uff09\u572810mA cm-2<\/sup>\u8fc7\u7535\u4f4d\u548cTafel\u66f2\u7ebf\uff0c\uff08d\uff09\u6027\u80fd\u5bf9\u6bd4\u56fe\uff0c\uff08e\uff09Nyquist\u56fe\u548c\uff08f\uff09\u7a33\u5b9a\u6027\u6d4b\u8bd5\u3002<\/p>\n

 <\/p>\n

\"\"<\/p>\n

\u56fe4 \u539f\u4f4d\u5149\u8c31\u5b66\u7814\u7a76\u548c<\/strong>DFT \u00a0 \u00a9 2022 ACS \u00a0<\/span><\/strong><\/p>\n

\uff08a\uff09OER\u8fdb\u7a0b\u7684ATR FT-IR\u5149\u8c31\u76842D\u8f6e\u5ed3\u56fe\u50cf\uff0c\uff08b\uff09Cu1<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u53ca\u5bf9\u7167\u54c1\u7684Cu K-edge XANES\u5149\u8c31\uff0c\uff08c\uff09\u76f8\u5e94\u7684\u5085\u91cc\u53f6\u53d8\u6362EXAFS\u5149\u8c31\u3002\uff08d\uff09NiFe-LDHs\u548cCu-NiFe-LDHs\u7684dxy<\/sub><\/em>\u8f68\u9053\u7535\u5b50\u76f8\u4e92\u4f5c\u7528\u793a\u610f\u56fe\u3002\uff08e\uff09OER\u53cd\u5e94\u8def\u5f84\u793a\u610f\u56fe\u3002\uff08f-g\uff09NiFe-LDHs\u548cCu-NiFe-LDHs\u4e2dFe\u4f4d\u70b9OER\u6b65\u9aa4\u7684\u5409\u5e03\u65af\u81ea\u7531\u80fd\u56fe\u548cOER\u51b3\u901f\u6b65\u9aa4\u7684\u5409\u5e03\u65af\u81ea\u7531\u80fd\u5dee\u3002<\/p>\n

 <\/p>\n

\"\"<\/p>\n

\u56fe5 \u78c1<\/strong>–<\/strong>\u81ea\u65cb\u7535\u5b50\u7535\u50ac\u5316\u5185\u90e8\u8054\u7cfb<\/strong>\u00a0\u00a0 \u00a9 2022 ACS \u00a0<\/span><\/strong><\/p>\n

\uff08a-b\uff09NiFe-LDHs\u548cCu-NiFe-LDHs\u7684\u7535\u5b50\u5bc6\u5ea6\u3002\uff08c\uff09NiFe-LDHs\u548cCu-NiFe-LDHs\u7684\u5168\u6001\u5bc6\u5ea6\uff08TDOS\uff09\u3002\uff08d-e\uff09NiFe-LDHs\u548cCu-NiFe-LDHs\u4e2dNi\u3001Fe\u548cCu\u7684d\u8f68\u9053\u7684\u6001\u5bc6\u5ea6\uff08PDOS\uff09\u3002\uff08f\uff09Cu0<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u548cCu1<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u7684VSM\u66f2\u7ebf\u3002\uff08g\uff09\u6052\u5b9a\u78c1\u573a\u4e0bOER\u6d4b\u91cf\u7684\u6d4b\u8bd5\u8bbe\u5907\u793a\u610f\u56fe\u3002\uff08h-i\uff09\u4e0d\u540c\u78c1\u573a\u4e0bCu0<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u548cCu1<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u7684LSV\u66f2\u7ebf\u3002\uff08j\uff09Cu0<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u548cCu1<\/sub>-Ni6<\/sub>Fe2<\/sub>-LDHs\u7684\u8fc7\u7535\u4f4d\u2014\u78c1\u573a\u5173\u7cfb\u3002<\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7Cu2+<\/sup>\u7684Jahn-Teller\u6548\u5e94\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u8bf1\u5bfc\u548c\u4f18\u5316FeIII<\/sup>\u4f4d\u70b9\u7684\u7535\u5b50\u7ed3\u6784\u548c\u81ea\u65cb\u72b6\u6001\u3002\u5728Cu2+<\/sup>\u7684\u8c03\u63a7\u4e0b\uff0c\u5b9e\u73b0\u4e86NiFe-LDHs\u4ece\u4e9a\u94c1\u78c1\u4f53\u5230\u94c1\u78c1\u4f53\u7684\u8f6c\u53d8\uff0c\u5e76\u9996\u6b21\u8bc1\u660e\u4e86\u5728\u78c1\u573a\u4f5c\u7528\u4e0b\uff0c\u4e0eNiFe-LDHs\u76f8\u6bd4\uff0cCu-NiFe-LDHs\u7684OER\u6027\u80fd\u663e\u8457\u63d0\u9ad8\u3002DFT\u7ed3\u5408\u539f\u4f4d\u7ea2\u5916\u5149\u8c31\u63ed\u793a\u4e86O-O\u952e\u7684\u4fc3\u8fdb\u4f5c\u7528\u673a\u5236\uff0c\u63d0\u5347\u4e86OH–<\/sup>\u751f\u6210O2<\/sub>\u53cd\u5e94\u6548\u7387\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6548OER\u6d3b\u6027\u3002\u78c1\u573a\u548c\u81ea\u65cb\u7ec4\u6001\u7684\u7ed3\u5408\u7b56\u7565\u4e3a\u5f00\u53d1\u9ad8\u6027\u80fd\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u65b0\u7684\u501f\u9274\u548c\u652f\u6491\uff0c\u5e76\u4ece\u81ea\u65cb\u7535\u5b50\u6c34\u5e73\u4e0a\u7406\u89e3\u4e86\u50ac\u5316\u673a\u7406\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u8fdb\u4e00\u6b65\u7406\u89e3\u78c1-\u81ea\u65cb\u7535\u5b50\u5b66\u884c\u4e3a-\u7535\u50ac\u5316\u4e4b\u95f4\u7684\u5185\u5728\u8054\u7cfb\u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b0\u7684\u89c6\u89d2\uff0c\u8fdb\u4e00\u6b65\u8865\u5145\u548c\u5b8c\u5584\u4e86\u7535\u50ac\u5316\u81ea\u65cb\u7535\u5b50\u5b66\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aRegulating the Spin State of FeIII<\/sup> Enhances the Magnetic Effect of the Molecular Catalysis Mechanism<\/a> (J. Am. Chem. Soc.<\/em> 2022<\/strong>, 144<\/em>, 8204-8213)<\/p>\n

\u672c\u6587\u7531\u8d5b\u6069\u65af\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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