{"id":152225,"date":"2018-09-01T06:07:52","date_gmt":"2018-08-31T22:07:52","guid":{"rendered":"\/\/m.iemloyee.com\/?p=152225"},"modified":"2018-08-31T21:08:10","modified_gmt":"2018-08-31T13:08:10","slug":"%e4%b8%ad%e7%a7%91%e5%a4%a7%e5%90%b4%e9%95%bf%e5%be%81%e6%95%99%e6%8e%88jacs%ef%bc%9a%e5%8f%8c%e9%92%99%e9%92%9b%e7%9f%bf%e7%9a%84%e7%94%b5%e5%ad%90%e6%8c%af%e5%8a%a8%e8%b6%85%e4%ba%a4%e6%8d%a2","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=152225","title":{"rendered":"\u4e2d\u79d1\u5927\u5434\u957f\u5f81\u6559\u6388JACS\uff1a\u53cc\u9499\u949b\u77ff\u7684\u7535\u5b50\u632f\u52a8\u8d85\u4ea4\u6362\u4f5c\u7528\u7528\u4e8e\u9ad8\u6548\u7535\u50ac\u5316\u7684\u6c27\u6790\u51fa\u53cd\u5e94"},"content":{"rendered":"

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

\u6790\u6c27\u53cd\u5e94\uff08OER\uff09\u662f\u7535\u50ac\u5316\u6c34\u5206\u89e3\u7684\u91cd\u8981\u534a\u53cd\u5e94\u4e4b\u4e00\uff0c\u4f46\u662fOER\u8fc7\u7a0b\u6d89\u53ca\u591a\u7535\u5b50\u8f6c\u79fb\u8fc7\u7a0b\uff0c\u56e0\u800c\u5177\u6709\u7f13\u6162\u7684\u52a8\u529b\u5b66\u901f\u7387\u548c\u9ad8\u7684\u8fc7\u7535\u4f4d\uff0c\u5bfc\u81f4\u6c34\u5206\u89e3\u7684\u603b\u6548\u7387\u7684\u663e\u8457\u964d\u4f4e\u3002\u540c\u65f6\uff0c\u76ee\u524d\u6700\u5148\u8fdb\u7684OER\u7535\u50ac\u5316\u5242\u662f\u8d35\u91d1\u5c5e\uff0c\u8fd9\u4e9b\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u4ef7\u683c\u6602\u8d35\uff0c\u542b\u91cf\u7a00\u7f3a\uff0c\u4e25\u91cd\u963b\u788d\u4e86\u5b83\u4eec\u7684\u5e7f\u6cdb\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u8bbe\u8ba1\u5177\u6709\u8f83\u4f4e\u8fc7\u7535\u52bf\u548c\u5854\u83f2\u5c14\u659c\u7387\u7684\u9ad8\u6027\u4ef7\u6bd4\u548c\u9ad8\u6548\u7387\u7684OER\u7535\u50ac\u5316\u5242\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u5177\u6709ABO3<\/sub>\u5f62\u5f0f\u7684\u9499\u949b\u77ff\u6c27\u5316\u7269\uff0c\u5176\u4e2dA\u548cB\u4f4d\u70b9\u901a\u5e38\u5206\u522b\u662f\u7a00\u571f\u91d1\u5c5e\u79bb\u5b50\u548c\u8fc7\u6e21\u91d1\u5c5e\u79bb\u5b50\uff0c\u7531\u4e8e\u5176\u72ec\u7279\u76843d\u7535\u5b50\u7ed3\u6784\u548c\u7ed3\u6784\u7075\u6d3b\u6027\uff0c\u88ab\u8ba4\u4e3a\u662f\u6709\u524d\u9014\u7684\u975e\u8d35\u91d1\u5c5e\u7535\u50ac\u5316\u5242\u3002\u5f53B\u4f4d\u91d1\u5c5e\u5177\u6709\u8d8b\u8fd1\u4e8eeg<\/sub>1<\/sup>\u7684\u7535\u5b50\u586b\u5145\u72b6\u6001\u65f6\uff0c\u9499\u949b\u77ff\u5c06\u8868\u73b0\u51fa\u6700\u4f18\u7684\u50ac\u5316\u6d3b\u6027\u3002\u5728\u53cc\u9499\u949b\u77ff\uff08A2<\/sub>BB’O6<\/sub>\uff09\u4e2d\uff0cB\u4f4d\u88ab\u4e0d\u540c\u7684\u9633\u79bb\u5b50B\u548cB’\u4ea4\u66ff\u5360\u636e\uff0c\u901a\u8fc7\u6c27\u6865\u952e\u8fde\u63a5\u7684B’\u548cB\u539f\u5b50\u5bf9\u5177\u6709\u72ec\u7279\u7684\u8026\u5408\u6548\u5e94\uff0c\u663e\u793a\u51fa\u5947\u5999\u7684\u7269\u7406\u548c\u5316\u5b66\u6027\u8d28\u3002B\u4f4d\u79bb\u5b50\u7684\u6709\u5e8f\u6392\u5217\u52a0\u5f3a\u4e86\u53cc\u9499\u949b\u77ff\u7684\u5173\u8054\u6548\u5e94\uff0c\u4e3a\u5176\u7535\u5b50\u7ed3\u6784\u548c\u7535\u8f93\u8fd0\u6027\u8d28\u521b\u9020\u4e86\u4e00\u79cd\u65b0\u7684\u8c03\u5236\u65b9\u6cd5\uff0c\u4e3a\u9499\u949b\u77ff\u7535\u50ac\u5316\u5242OER\u6027\u80fd\u4f18\u5316\u548c\u50ac\u5316\u673a\u7406\u7814\u7a76\u7684\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5728\u4e2d\u79d1\u5927\u5408\u80a5\u5fae\u5c3a\u5ea6\u7269\u8d28\u79d1\u5b66\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u5434\u957f\u5f81\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u56e2\u961f\u7684\u5e26\u9886\u4e0b\uff0c\u4ee5\u53cc\u9499\u949b\u77ffLa2<\/sub>NiMnO6<\/sub>\u4f5c\u4e3a\u6982\u5ff5\u9a8c\u8bc1\u7814\u7a76\uff0c\u8bc1\u660e\u4e86\u901a\u8fc7\u5c3a\u5bf8\u548c\u7535\u5b50\u7ec4\u6001\u4e4b\u95f4\u7684\u5173\u8054\u4f5c\u7528\uff0c\u53ef\u4ee5\u5c06B\u4f4d\u9633\u79bb\u5b50\u7684d\u7535\u5b50\u6784\u578b\u4eceMn4+<\/sup>-O-Ni2+<\/sup>\u9759\u6001\u8d85\u4ea4\u6362\u6548\u5e94\u91cd\u6574\u4e3aMn3+<\/sup>-O-Ni3+<\/sup>\u7535\u5b50\u632f\u52a8\u8d85\u4ea4\u6362\u6548\u5e94\uff0c\u8fd9\u79cd\u4f5c\u7528\u5f15\u8d77B\u4f4d\u79bb\u5b50\u7684eg\u7535\u5b50\u7ec4\u6001\u53d8\u5316\uff0c\u8fdb\u800c\u5728MnO6<\/sub>\u548cNiO6<\/sub>\u516b\u9762\u4f53\u4e2d\u4ea7\u751f\u5f3aJahn-Teller\u53d8\u5f62\uff0c\u5ef6\u957fM-O\u952e\uff0c\u6709\u52a9\u4e8e\u5728\u50ac\u5316\u5242\u8868\u9762\u4e0a\u5f62\u6210Mn\/Ni\u6c22\u6c27\u5316\u7269\/\u6c27\u5316\u7269\u7684\u6d3b\u6027\u7269\u8d28\u3002\u901a\u8fc7eg<\/sub>\u7535\u5b50\u586b\u5145\u72b6\u6001\u548c\u50ac\u5316\u5242\u8868\u9762\u7684\u4fc3\u8fdb\u6d3b\u5316\u7684\u534f\u540c\u4f5c\u7528\uff0c\u5177\u6709\u7eb3\u7c73\u5c3a\u5ea6\u76f4\u5f84\u7684La2<\/sub>NiMnO6<\/sub>\u7eb3\u7c73\u9897\u7c92\u5728\u78b1\u6027\u4ecb\u8d28\u4e2d\u663e\u793a\u51fa\u4f18\u5f02\u7684OER\u50ac\u5316\u6027\u80fd\u3002\u8fd9\u9879\u5de5\u4f5c\u63d0\u4f9b\u4e86\u4e00\u79cd\u57fa\u4e8e\u65b0\u5947\u7269\u7406\u73b0\u8c61\uff0c\u6fc0\u53d1\u9ad8\u6548\u7535\u50ac\u5316\u5242\u7684\u5408\u7406\u8bbe\u8ba1\u7684\u65b0\u7b56\u7565\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a\u201cVibronic Super-exchange in Double Perovskite Electrocatalyst for Efficient Electrocatalytic Oxygen Evolution<\/b><\/strong>\u201d\u53d1\u8868\u5728\u4e86JACS<\/b><\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe1 LNMO<\/b><\/strong>\u7684\u7ed3\u6784\u8868\u5f81<\/b><\/strong>\"\"<\/b><\/strong><\/p>\n

\uff08a\uff09\u7eb3\u7c73\u5c3a\u5bf8LNMO\u7684\u7cbe\u4feeXRD\u56fe\u8c31\uff0c\u5176\u4e2d\u7ea2\u70b9\u6807\u8bb0\u8868\u793a\u5b9e\u9a8c\u6570\u636e\uff0c\u9752\u8272\u7ebf\u8868\u793a\u8ba1\u7b97\u7ed3\u679c\uff0c\u7eff\u8272\u5782\u76f4\u6761\u7eb9\u8868\u793a\u5141\u8bb8\u7684\u5e03\u62c9\u683c\u53cd\u5c04\u4f4d\u7f6e\uff0c\u84dd\u7ebf\u8868\u793a\u5dee\u5f02\u66f2\u7ebf\u3002<\/p>\n

\uff08b\uff09\u7eb3\u7c73\u5c3a\u5bf8LNMO\u7684TEM\u56fe\u50cf\u3002<\/p>\n

\uff08c\uff09\u7eb3\u7c73\u5c3a\u5bf8LNMO\u7eb3\u7c73\u9897\u7c92\u7684\u7c92\u5ea6\u5206\u5e03\u56fe\u3002<\/p>\n

\uff08d\uff09LNMO\u6837\u54c1\u7684Mn 2p\u7684XPS\u5149\u8c31\u3002<\/p>\n

\uff08e\uff09LNMO\u6837\u54c1\u7684Mn K-edge XANES\u5149\u8c31\u3002<\/p>\n

\uff08f\uff09LNMO\u6837\u54c1\u7684Ni K-edge XANES\u5149\u8c31\u3002<\/p>\n

\u56fe2 <\/b><\/strong>LNMO\u7684\u78c1\u6027\u6d4b\u91cf<\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09ZFC\u4e0b\u78c1\u5316\uff08M-T\uff09\u66f2\u7ebf\u4e0e\u6e29\u5ea6\u7684\u51fd\u6570\u3002<\/p>\n

\uff08b\uff09\u5177\u6709\u4e0d\u540c\u7c92\u5f84\u7684LNMO\u6837\u54c1\u7684Tc1\/Tc2\u7684\u78c1\u5316\u7387\u3002<\/p>\n

\uff08c\uff09MnO6<\/sub>\u548cNiO6<\/sub>\u516b\u9762\u4f53\u53d8\u5f62\u7684\u793a\u610f\u56fe\u3002<\/p>\n

\u00a0<\/b><\/strong>\u56fe3<\/b><\/strong>\u00a0LNMO<\/b><\/strong>\u7535\u5316\u5b66<\/b><\/strong>\u8868\u5f81<\/b><\/strong>\"\"<\/b><\/strong><\/p>\n

\uff08a\uff09LNMO\u6837\u54c1\u7684OER\u6781\u5316\u66f2\u7ebf\u3002<\/p>\n

\uff08b\uff09LNMO\u6837\u54c1\u76f8\u5e94\u7684\u5854\u83f2\u5c14\u659c\u7387\u3002<\/p>\n

\uff08c\uff09LNMO\u6837\u54c1\u7684\u6d3b\u6027\uff08\u76f4\u65b9\u56fe\uff09\u548c\u5854\u83f2\u5c14\u659c\u7387\uff08\u5b9e\u7ebf\uff09\u7684\u76f4\u63a5\u6bd4\u8f83\u3002<\/p>\n

\uff08d\uff09\u7eb3\u7c73\u5c3a\u5bf8LNMO\u6837\u54c1\u7684\u7684\u8ba1\u65f6\u7535\u6d41\u54cd\u5e94\u3002<\/p>\n

\u56fe<\/b><\/strong>4 LNMO<\/b><\/strong>\u6837\u54c1CV\u5faa\u73af\u540e\u5f62\u8c8c\u7ed3\u6784\u8868\u5f81<\/b><\/strong>\"\"<\/b><\/strong><\/p>\n

\uff08a\uff09\u4e0d\u540c\u5faa\u73af\u6b21\u6570\u4e0b\u7eb3\u7c73\u5c3a\u5bf8LNMO\u6837\u54c1\u7684OER\u6781\u5316\u66f2\u7ebf\u3002<\/p>\n

\uff08b\uff09\u968f\u7740CV\u5faa\u73af\u6b21\u6570\u7684\u589e\u52a0\uff0c\u7535\u6d41\u5bc6\u5ea6\u548c\u8fc7\u7535\u4f4d\u7684\u53d8\u5316\u3002<\/p>\n

\uff08c\uff09\u4e3a\u539f\u59cb\u7eb3\u7c73\u5c3a\u5bf8LNMO\u6837\u54c1\uff08\u672a\u6d3b\u5316\uff09\u7684HRTEM\u56fe\u50cf\u3002<\/p>\n

\uff08d-f\uff09\u5206\u522b\u4e3a\u7eb3\u7c73\u5c3a\u5bf8LNMO\u6837\u54c1\u572850\uff0c100\u548c500\u5708\u5faa\u73af\u540e\u7684HRTEM\u56fe\u50cf\u3002<\/p>\n

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

\u603b\u4e4b\uff0c\u56e2\u961f\u5f3a\u8c03\u4e86\u53cc\u9499\u949b\u77ff\u7cfb\u7edf\u4e2d\u7684\u7535\u5b50\u632f\u52a8\u8d85\u4ea4\u6362\u6548\u5e94\uff0c\u4ee5\u4f18\u5316eg<\/sub>\u7535\u5b50\u586b\u5145\u72b6\u6001\uff0c\u540c\u65f6\u901a\u8fc7\u5c3a\u5bf8\u8c03\u8282\u4fc3\u8fdb\u50ac\u5316\u5242\u8868\u9762\u4e0a\u7684\u6d3b\u6027\u7269\u8d28\u5f62\u6210\u3002\u968f\u7740La2<\/sub>NiMnO6<\/sub>\u50ac\u5316\u5242\u7684\u7c92\u5f84\u51cf\u5c0f\u5230\u7ea633nm\uff0cLa2<\/sub>NiMnO6<\/sub>\u4e2d\u7684\u8d85\u4ea4\u6362\u76f8\u4e92\u4f5c\u7528\u4eceNi2+<\/sup>-O-Mn4+<\/sup>\u9759\u6001\u8d85\u4ea4\u6362\u8f6c\u53d8\u4e3aNi3+<\/sup>-O-Mn3+<\/sup>\u7684\u7535\u5b50\u632f\u52a8\u8d85\u4ea4\u6362\uff0cMn\u548cNi\u79bb\u5b50\u7684eg<\/sub>\u7535\u5b50\u586b\u5145\u72b6\u6001\u4e3a1\u3002\u6b64\u5916\uff0c\u4e09\u4ef7Mn\/Ni\u79bb\u5b50\u7684\u65b0\u578b\u8d85\u4ea4\u6362\u6a21\u578b\u6709\u52a9\u4e8e\u5728La2<\/sub>NiMnO6<\/sub>\u7eb3\u7c73\u9897\u7c92\u8868\u9762\u4e0a\u5f62\u6210Mn\/Ni\u6c27\u5316\/\u6c22\u6c27\u5316\u7269\u6d3b\u6027\u7269\u8d28\u3002\u53d7\u76ca\u4e8eeg<\/sub>\u7535\u5b50\u586b\u5145\u72b6\u6001\u7684\u4f18\u5316\u548c\u4fc3\u8fdb\u6d3b\u6027\u76f8\u7684\u5f62\u6210\uff0c\u7eb3\u7c73\u5c3a\u5bf8 La2<\/sub>NiMnO6<\/sub>\u7eb3\u7c73\u9897\u7c92\u5728\u78b1\u6027\u4ecb\u8d28\u4e2d\u663e\u793a\u51fa\u6700\u4f73\u7684OER\u50ac\u5316\u6027\u80fd\u3002\u56e2\u961f\u7684\u5de5\u4f5c\u53ef\u4ee5\u4e3a\u7406\u89e3OER\u7684\u6d3b\u6027\u76f8\u5f62\u6210\u63d0\u4f9b\u65b0\u7684\u89c1\u89e3\uff0c\u5e76\u4e3a\u8bbe\u8ba1\u65b0\u7684\u9ad8\u6027\u80fd\u7535\u50ac\u5316\u5242\u5f00\u8f9f\u65b0\u7684\u9014\u5f84\u3002<\/p>\n

\u00a0<\/b><\/strong>\u6587\u732e\u94fe\u63a5<\/b><\/strong>\uff1a<\/b><\/strong>Vibronic Super-exchange in Double Perovskite Electrocatalyst for Efficient Electrocatalytic Oxygen Evolution<\/u><\/a>\uff08JACS,2018,DOI\uff1a10.1021\/jacs.8b06108\uff09<\/p>\n

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