{"id":204383,"date":"2020-07-03T06:02:36","date_gmt":"2020-07-02T22:02:36","guid":{"rendered":"\/\/m.iemloyee.com\/?p=204383"},"modified":"2020-07-02T20:02:53","modified_gmt":"2020-07-02T12:02:53","slug":"%e5%8d%97%e6%b4%8b%e7%90%86%e5%b7%a5%e6%a5%bc%e9%9b%84%e6%96%87%e5%9b%a2%e9%98%9fadv-mater-%ef%bc%9a13%e7%a7%8d%e9%87%91%e5%b1%9e%e5%8e%9f%e5%ad%90%e6%8e%ba%e6%9d%82co3o4%e5%88%86%e7%ba%a7%e7%a9%ba","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=204383","title":{"rendered":"\u5357\u6d0b\u7406\u5de5\u697c\u96c4\u6587\u56e2\u961fAdv. Mater.\uff1a13\u79cd\u91d1\u5c5e\u539f\u5b50\u63ba\u6742Co3O4\u5206\u7ea7\u7a7a\u5fc3\u7eb3\u7c73\u677f\u7528\u4e8e\u9ad8\u6548OER"},"content":{"rendered":"

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

\u8fd1\u5e74\u6765\uff0c\u6790\u6c27\u53cd\u5e94\uff08OER\uff09\u4f5c\u4e3a\u6c34\u89e3\u88c5\u7f6e\u548c\u53ef\u5145\u7535\u91d1\u5c5e\u7a7a\u6c14\u7535\u6c60\u4e2d\u7684\u5173\u952e\u7535\u50ac\u5316\u53cd\u5e94\uff0c\u5df2\u7ecf\u5f15\u8d77\u4e86\u4eba\u4eec\u7684\u666e\u904d\u5173\u6ce8\u3002\u7136\u800c\uff0cOER\u4e2d\u6d89\u53ca\u7684\u591a\u6b65\u8d28\u5b50\u8026\u5408\u7535\u5b50\u8f6c\u79fb\u8fc7\u7a0b\u5bfc\u81f4\u52a8\u529b\u5b66\u7f13\u6162\uff0c\u4e25\u91cd\u9650\u5236\u4e86\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0c\u8d35\u91d1\u5c5e\u6c27\u5316\u7269\uff0c\u7279\u522b\u662fRuO2<\/sub>\u548cIrO2<\/sub>\uff0c\u88ab\u8bc1\u660e\u662fOER\u6700\u6709\u6548\u7684\u50ac\u5316\u5242\uff0c\u4f46\u7531\u4e8e\u8d35\u91d1\u5c5e\u6210\u5206\u7684\u7a00\u7f3a\u6027\u548c\u7a00\u6709\u6027\uff0c\u9664\u975e\u7528\u5176\u4ed6\u4e30\u5bcc\u7684\u5730\u7403\u8d44\u6e90\u53d6\u4ee3\uff0c\u5426\u5219OER\u50ac\u5316\u5242\u7684\u5927\u89c4\u6a21\u751f\u4ea7\u5c31\u65e0\u6cd5\u5b9e\u73b0\u3002\u5728\u8fd9\u5176\u4e2d\uff0c\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\uff08TMOs\uff09\uff0c\u7279\u522b\u662f\u542b\u6709\u9ad8\u4ef7\u6001\u6c27\u5316\u8fd8\u539f\u5bf9\u7684Co3<\/sub>O4<\/sub>\uff0c\u6700\u8fd1\u5df2\u88ab\u8ba4\u4e3a\u662f\u5728\u78b1\u6027\u4ecb\u8d28\u4e2d\u6700\u6709\u5e0c\u671b\u66ff\u4ee3\u8d35\u91d1\u5c5e\u6c27\u5316\u7269\u7528\u4f5c\u9ad8\u6548OER\u3002\u7136\u800c\uff0c\u5df2\u62a5\u9053\u7684Co3<\/sub>O4<\/sub>\u57fa\u50ac\u5316\u5242\u7684\u6d3b\u6027\u5f88\u5c11\u80fd\u4e0e\u8d35\u91d1\u5c5e\u6c27\u5316\u7269\u7684\u9ad8\u6d3b\u6027\u76f8\u5ab2\u7f8e\u3002\u8868\u9762\u4fee\u9970\u662f\u4e00\u79cd\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u8c03\u6574\u5176\u8868\u9762\u7ed3\u6784\u548c\u7535\u5b50\u7279\u6027\u6765\u964d\u4f4e\u8fc7\u7535\u4f4d\u6240\u9700\u7684\u9ad8\u9a71\u52a8\u529b\uff0c\u4ece\u800c\u63d0\u9ad8\u50ac\u5316\u5242\u7684\u672c\u5f81\u6d3b\u6027\u3002\u5728\u5404\u79cd\u8868\u9762\u8c03\u8282\u7b56\u7565\uff0c\u5728TMOs\u7684\u6676\u683c\u4e2d\u52a0\u5165\u7b2c\u4e8c\u79cd\u91d1\u5c5e\u539f\u5b50\u5df2\u88ab\u8bc1\u660e\u80fd\u663e\u8457\u63d0\u9ad8\u5b83\u4eec\u7684\u50ac\u5316\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5c06\u5b64\u7acb\u7684\u91d1\u5c5e\u539f\u5b50\u5408\u7406\u5730\u5f15\u5165Co3<\/sub>O4<\/sub>\u7684\u6676\u683c\u4e2d\uff0c\u6709\u671b\u4fc3\u8fdb\u5176\u7535\u50ac\u5316OER\u6d3b\u6027\u3002\u53e6\u5916\uff0c\u8bbe\u8ba1\u548c\u6784\u5efa\u7279\u6b8a\u7ed3\u6784\u7684\u7535\u50ac\u5316\u5242\u6709\u5229\u4e8e\u66f4\u591a\u7535\u50ac\u5316\u6d3b\u6027\u4f4d\u70b9\u7684\u66b4\u9732\u4ee5\u53ca\u50ac\u5316\u5242\u7ed3\u6784\u7684\u7a33\u5b9a\u6027\uff0c\u7279\u522b\u5730\uff0c\u591a\u7ea7\u7a7a\u5fc3\u7eb3\u7c73\u7ed3\u6784\u517c\u5177\u4f4e\u7ef4\u7ed3\u6784\u548c\u7a7a\u5fc3\u7ed3\u6784\u7684\u4f18\u70b9\u3002\u8d85\u8584\u7eb3\u7c73\u7247\u4e0d\u4ec5\u53ef\u4ee5\u66b4\u9732\u51fa\u4e30\u5bcc\u7684\u50ac\u5316\u6d3b\u6027\u4f4d\u70b9\uff0c\u800c\u4e14\u53ef\u4ee5\u7f29\u77ed\u7535\u8377\u4f20\u8f93\u8ddd\u79bb\u3002\u6b64\u5916\uff0c\u5206\u7ea7\u7684\u5b8f\u89c2\/\u4ecb\u5b54\u7a7a\u5fc3\u7ed3\u6784\u7279\u522b\u6709\u5229\u4e8e\u63d0\u9ad8\u8d28\u91cf\u4f20\u8f93\u6548\u7387\uff0c\u4ece\u800c\u4fc3\u8fdb\u6c14\u76f8\u50ac\u5316\u4ea7\u7269\u7684\u5f62\u6210\u548c\u91ca\u653e\u3002\u540c\u65f6\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5728\u8fc7\u53bb\u7684\u4e8c\u5341\u5e74\u4e2d\uff0c\u91d1\u5c5e\u6709\u673a\u6846\u67b6\uff08MOFs\uff09\u5df2\u6210\u4e3a\u4e00\u4e2a\u5feb\u901f\u6269\u5c55\u7684\u7814\u7a76\u9886\u57df\uff0c MOF\u6700\u663e\u7740\u7684\u4f18\u52bf\u662f\u5b83\u4eec\u662f\u901a\u8fc7\u91d1\u5c5e\u79bb\u5b50\/\u7c07\u548c\u6709\u673a\u914d\u4f53\u7684\u6a21\u5757\u5316\u81ea\u7ec4\u88c5\u53cd\u5e94\u5f62\u6210\u7684\uff0c\u56e0\u6b64\u5176\u6846\u67b6\u5177\u6709\u6781\u5927\u7684\u53ef\u8c03\u63a7\u6027\u3002\u867d\u7136\u5b83\u4eec\u7684\u5316\u5b66\u4e0d\u7a33\u5b9a\u6027\u5f80\u5f80\u963b\u6b62\u5176\u76f4\u63a5\u7528\u4f5cOER\u7684\u50ac\u5316\u5242\uff0c\u4f46\u5176\u7ed3\u6784\u53ca\u7ec4\u6210\u7684\u53ef\u8c03\u63a7\u6027\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u8bb8\u591a\u901a\u8fc7\u5316\u5b66\u8f6c\u5316\u4e3a\u4e0d\u540c\u7684\u7eb3\u7c73\u7ed3\u6784\u7684\u53ef\u80fd\u6027\u3002<\/p>\n

\u8fd1\u65e5\uff0c\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u697c\u96c4\u6587\u6559\u6388<\/strong>\u4e0eXue Feng Lu\u535a\u58eb\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u62a5\u9053\u4e8613\u79cd\u4e0d\u540c\u91d1\u5c5e\u539f\u5b50\u63ba\u6742\u7684\u8d85\u8584Co3<\/sub>O4<\/sub>\u7eb3\u7c73\u7247\u7ec4\u6210\u7684\u4e00\u7cfb\u5217\u5206\u7ea7\u7a7a\u5fc3\u7eb3\u7c73\u677f\uff08HNNPs\uff09\u7684\u5408\u6210\uff0c\u8be5\u5408\u6210\u6d89\u53ca\u4e00\u79cd\u4ece\u6cb8\u77f3\u54aa\u5511\u9aa8\u67b6\u7eb3\u7c73\u677f\uff08ZIF-67 NPs\uff09\u5f00\u59cb\u7684\u534f\u540c\u523b\u8680-\u914d\u4f4d-\u91cd\u7ec4\u65b9\u6cd5\u3002\u5177\u4f53\u6765\u8bb2\uff0c\u9996\u5148\u901a\u8fc7\u8def\u6613\u65af\u9178\u8680\u523b\u548c\u91d1\u5c5e\u7269\u79cd\u914d\u4f4d\u8fc7\u7a0b\u5f62\u6210\u5177\u6709\u72ec\u7279\u4ea4\u8054\u4e92\u901a\u7684\u4e0d\u540c\u91d1\u5c5e\u539f\u5b50\u4fee\u9970\u7684\u7eb3\u7c73\u677f\uff08M-ZIF-67 NPs\uff09\uff1b \u7136\u540e\u901a\u8fc7\u6c34\u70ed\u53cd\u5e94\u5c06M-ZIF-67 NPs\u8f6c\u5316\u4e3a\u7531\u8d85\u8584\u7eb3\u7c73\u7247\u7ec4\u6210\u7684\u591a\u7ea7\u7a7a\u5fc3Co3<\/sub>O4<\/sub>\u7eb3\u7c73\u677f\uff08M-Co3<\/sub>O4<\/sub> HHNPs\uff09\u3002X\u884d\u5c04\u5149\u8c31\u53ca\u540c\u6b65\u8f90\u5c04\u6570\u636e\u8868\u660e\u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0c\u5ba2\u4f53\u91d1\u5c5e\u5143\u7d20\u88ab\u63ba\u6742\u5230Co3<\/sub>O4<\/sub>\u7684\u516b\u9762\u4f53\u4f4d\u70b9\u4e2d\u3002\u540c\u65f6\uff0c\u901a\u8fc7\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u8868\u660e\uff0c\u5728Co3<\/sub>O4<\/sub>\u8868\u9762\u9644\u8fd1\u63ba\u6742\u5c11\u91cfFe\u539f\u5b50\u53ef\u4ee5\u5927\u5927\u589e\u5f3aOER\u7684\u50ac\u5316\u6d3b\u6027\u3002\u5f97\u76ca\u4e8e\u7ed3\u6784\u548c\u6210\u5206\u4f18\u52bf\uff0c\u6240\u83b7\u5f97\u7684Fe-Co3<\/sub>O4 <\/sub>HNNPs\u5bf9OER\u5177\u6709\u4f18\u826f\u7684\u50ac\u5316\u6027\u80fd\uff0c\u78b1\u6027\u6eb6\u6db2\u4e2d\uff0c\u53ea\u9700\u8981262 mV\u7684\u8fc7\u7535\u4f4d\u5373\u53ef\u8fbe\u523010 mA cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\uff0cTafel\u659c\u7387\u4e3a43 mV dec-1<\/sup>\uff0c\u4e14\u5177\u6709\u826f\u597d\u7684\u7a33\u5b9a\u6027\uff0c\u5373\u4f7f\u5728100 mA cm-2<\/sup>\u7684\u9ad8\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u4e5f\u53ef\u4ee5\u6301\u7eed50\u5c0f\u65f6\uff0c\u6bd4Co3<\/sub>O4<\/sub> HHNPs\u751a\u81f3\u5546\u4e1aRuO2<\/sub>\u50ac\u5316\u5242\u7684\u7a33\u5b9a\u6027\u8981\u597d\u5f97\u591a\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cMetal Atom-Doped Co3<\/sub>O4<\/sub> Hierarchical Nanoplates for Electrocatalytic Oxygen Evolution<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Adv. Mater.<\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe\u4e00\u3001ZIF-67 NPs\uff0c\u4ea4\u8054\u4e92\u901a\u7684Fe-ZIF-67 NPs\u548cFe-Co3<\/sub>O4<\/sub>\u00a0HHNPs\u7684\u5408\u6210\u793a\u610f\u56fe\u548c\u7ed3\u6784\u8868\u5f81<\/strong>\"\"<\/p>\n

\uff08a\uff09Fe-Co3<\/sub>O4<\/sub>\u00a0HHNPs\u7684\u5408\u6210\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b-d\uff09ZIF-67 NPs\uff0c(e-g) Fe-ZIF-67 NPs\u548c\uff08h-k\uff09Fe-Co3<\/sub>O4 <\/sub>HHNPs\u7684FESEM\uff08b,e,h\uff09\u548cTEM\uff08c,d,f,g,i,j,k\uff09\u56fe\u50cf\uff1b<\/p>\n

\uff08l\uff09Fe-Co3<\/sub>O4 <\/sub>HHNPs\u7684HRTEM\u56fe\u50cf\uff1b<\/p>\n

\uff08m\uff09Fe\u2010Co3<\/sub>O4<\/sub>\u00a0HHNPs\u7684HAADF\u2010STEM\u56fe\u50cf\u548c\u5143\u7d20\u5206\u5e03\u56fe\u50cf\u3002<\/p>\n

\u00a0<\/strong>\u56fe\u4e8c\u3001Fe-ZIF-67 NPs\u548cFe-Co3<\/sub>O4<\/sub>\u00a0HHNPs\u7684\u7269\u76f8\u548c\u7ed3\u6784\u8868\u5f81<\/strong>\"\"<\/p>\n

\uff08a\uff09ZIF-67 NPs\u548cFe-ZIF-67 NPs\u7684XRD\u56fe\u8c31\uff1b<\/p>\n

\uff08b\uff09\u4ee5Fe\u7b94\u548cZIF-67\u4e3a\u53c2\u8003\uff0c\u7814\u7a76\u4e86Fe-ZIF-67\u7684EXAFS k3<\/sup>\u03c7(K<\/em>) FT\u5149\u8c31\uff1b<\/p>\n

\uff08c\uff09\u4ee5Fe\u7b94\uff0cCo\u7b94\u548cZIF-67\u4e3a\u53c2\u8003\u7684Fe-ZIF-67\u7684\u5f52\u4e00\u5316Fe K-\u8fb9\uff08\u4e0a\uff09\uff0cCo K-\u8fb9\uff08\u4e0b\uff09XANES\u5149\u8c31\uff1b<\/p>\n

\uff08d\uff09Co3<\/sub>O4 <\/sub>HHNPs\u548cFe-Co3<\/sub>O4 <\/sub>HHNPs\u7684XRD\u56fe\u8c31\u4e0eCo3<\/sub>O4<\/sub>\u7684\u6807\u51c6\u56fe\u8c31\u7684\u6bd4\u8f83\uff1b<\/p>\n

\uff08e\uff09\u4ee5Fe\u7b94\u548cCo3<\/sub>O4<\/sub>\u4e3a\u53c2\u8003\uff0c\u7814\u7a76\u4e86Fe-Co3<\/sub>O4<\/sub>\u7684EXAFS k3<\/sup>\u03c7(K<\/em>) FT\u5149\u8c31\uff1b<\/p>\n

\uff08f\uff09\u4ee5Fe\u7b94\u3001Co\u7b94\u548cCo3<\/sub>O4<\/sub>\u4e3a\u53c2\u8003\u7684Fe-Co3<\/sub>O4<\/sub>\u7684\u5f52\u4e00\u5316Fe K-\u8fb9\uff08\u4e0a\uff09\uff0cCo K-\u8fb9\uff08\u4e0b\uff09XANES\u5149\u8c31\u3002<\/p>\n

\u56fe\u4e09\u3001\u5408\u6210\u523b\u8680-\u914d\u4f4d\u548c\u6c34\u89e3\u8fc7\u7a0b<\/strong>\"\"<\/p>\n

\uff08a-e\uff09\u5355\u4e2aZIF-67 NPs\u53ca\u5728\u4e0d\u540c\u6d53\u5ea6\u768410mL FeCl2<\/sub>\u22194H2<\/sub>O\u4e59\u9187\u6eb6\u6db2\u4e2d\u523b\u8680\u5f97\u5230\u76f8\u5e94\u7684\u4ea7\u7269\u7684TEM\u56fe\u50cf\uff1a\uff08b\uff090.4 mg mL-1<\/sup>\uff0c\uff08c\uff090.8 mg mL-1<\/sup>\uff0c\uff08d\uff091.2 mg mL-1<\/sup>\u548c\uff08e\uff091.6 mg mL-1<\/sup>\u3002<\/p>\n

\uff08f-g\uff09\u57280.8 mg mL-1<\/sup>\u4e2d\u523b\u8680\u4e0d\u540c\u65f6\u95f4\u7684\u4ea4\u8054\u4e92\u901aFe-ZIF-67 NPs\u5f97\u5230\u7684\u4ea7\u7269TEM\u56fe\u50cf\uff1a\uff08f\uff090 min\uff0c\uff08g\uff093 min\uff0c\uff08h\uff096 min\uff0c\uff08i\uff099 min\u548c\uff08j\uff0915 min\u3002<\/p>\n

\u56fe\u56db\u3001\u534f\u540c\u8680\u523b-\u914d\u4f4d-\u91cd\u7ec4\u65b9\u6cd5\u7684\u666e\u904d\u6027<\/strong>\"\"<\/p>\n

\uff08a\uff09M-Co3<\/sub>O4<\/sub> HHNPs\u4e2d\u6d89\u53ca\u5230\u768413\u79cd\u91d1\u5c5e\u5143\u7d20\u5728\u5143\u7d20\u5468\u671f\u8868\u4e2d\u7684\u4f4d\u7f6e\uff1b<\/p>\n

\uff08b\uff09\u9664Fe\u5916\uff0c\u5176\u4ed612\u79cdM-ZIF-67 NPs\uff08\u5de6\uff09\u548cM-Co3<\/sub>O4 <\/sub>HHNPs\uff08\u53f3\uff09\u7684TEM\u56fe\u50cf\u3002<\/p>\n

\u56fe\u4e94\u3001\u7535\u50ac\u5316OER\u6027\u80fd<\/strong>\"\"<\/p>\n

\uff08a-c\uff09Fe-Co3<\/sub>O4 <\/sub>HHNPs\u3001Co3<\/sub>O4 <\/sub>HHNPs\u548c\u5546\u7528RuO2<\/sub>\u50ac\u5316\u5242\u7684LSV\u66f2\u7ebf\uff08a\uff09\uff0cTafel\u66f2\u7ebf\uff08b\uff09\u548c\u7535\u5316\u5b66\u6d3b\u6027\u9762\u79ef\uff08ECSA\uff09\u8bc4\u4f30\uff08c\uff09\uff1b<\/p>\n

\uff08d\uff09ECSA\u5f52\u4e00\u5316\u7684LSV\u66f2\u7ebf\uff1b<\/p>\n

\uff08e-f\uff09\u7535\u4f4d\u76f8\u5173\u7684TOF\u66f2\u7ebf\uff0cECSA\u5f52\u4e00\u5316\u7535\u6d41\u5bc6\u5ea6\uff08\u7ea2\u8272\uff09\u548cTOF\u503c\uff08\u84dd\u8272\uff09\u5728300mV\u7684\u8fc7\u7535\u4f4d\u4e0b\u7684\u5bf9\u5e94\u67f1\u72b6\u56fe\uff1b<\/p>\n

\uff08g\uff09\u4e0d\u540c\u50ac\u5316\u5242\u7684\u963b\u6297\u56fe\uff1b<\/p>\n

\uff08h\uff0ci\uff09\u7a33\u5b9a\u6027\u6d4b\u8bd5\u3002\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a10 mA cm-2<\/sup>\u65f6\uff0cFe-Co3<\/sub>O4 <\/sub>HHNPs\u548c\u5546\u7528RuO2<\/sub>\u7684\u8ba1\u65f6\u7535\u4f4d\u66f2\u7ebf\uff08h\uff09\uff0c\u4ee5\u53caFe-Co3<\/sub>O4 <\/sub>HHNPs\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a10\u300150\u3001100 mA cm-2<\/sup>\u65f6\u7684\u8ba1\u65f6\u7535\u4f4d\u66f2\u7ebf\uff08i\uff09\u3002<\/p>\n

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

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\u6587\u732e\u94fe\u63a5\uff1a\u201c<\/strong>Metal Atom-Doped Co3<\/sub>O4<\/sub> Hierarchical Nanoplates for Electrocatalytic Oxygen Evolution<\/strong><\/a>\u201d(Adv. Mater.\uff0c2020\uff0c10.1002\/adma.202002235)<\/strong><\/p>\n

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