{"id":153394,"date":"2018-09-12T06:43:14","date_gmt":"2018-09-11T22:43:14","guid":{"rendered":"\/\/m.iemloyee.com\/?p=153394"},"modified":"2018-09-10T23:58:01","modified_gmt":"2018-09-10T15:58:01","slug":"%e4%ba%8e%e6%b3%a2%e3%80%81%e6%9c%b1%e5%bb%ba%e6%96%b0%e3%80%81%e5%88%98%e7%be%8e%e6%9e%97%e7%ad%89adv-energy-mater-%ef%bc%9a%e5%81%8f%e6%9e%90%e8%af%b1%e5%af%bc%e8%87%aa%e7%bb%84%e8%a3%85%e7%94%9f","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=153394","title":{"rendered":"\u4e8e\u6ce2\u3001\u6731\u5efa\u65b0\u3001\u5218\u7f8e\u6797\u7b49Adv. Energy Mater.\uff1a\u504f\u6790\u8bf1\u5bfc\u81ea\u7ec4\u88c5\u751f\u6210\u9ad8\u6d3b\u6027\u9499\u949b\u77ff\u52a0\u901fOER\u52a8\u529b\u5b66"},"content":{"rendered":"

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\u7814\u7a76\u8868\u660e\uff0c\u504f\u6790\u53cd\u5e94\u5728\u6750\u6599\u8868\u9762\u5e76\u4e0d\u662f\u5747\u5300\u8fdb\u884c\u7684\u3002\u4e00\u822c\u5730\uff0c\u6750\u6599\u8868\u9762\u7684\u7f3a\u9677\u4f4d\u70b9\u5904\uff08\u5982\u8868\u9762\u4f4d\u9519\u3001\u6676\u754c\u7b49\uff09\u66f4\u52a0\u5bb9\u6613\u53d1\u751f\u79bb\u5b50\u5bcc\u96c6\u4e0e\u504f\u6790\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u5178\u578b\u7684La0.6<\/sub>Sr0.4<\/sub>CoO3-\u03b4 <\/sub>\uff08LSC\uff09\u6c27\u7535\u6781\u6750\u6599\uff0c\u5176\u8868\u9762\u6676\u754c\u7684Sr\u79bb\u5b50\u5bcc\u96c6\u901f\u7387\u662f\u4f53\u76f8\u7684103<\/sup>\u500d\u3002\u56e0\u6b64\uff0c\u672c\u6587\u63d0\u51fa\uff0c\u6291\u5236\u504f\u6790\u53cd\u5e94\u7684\u5173\u952e\uff0c\u662f\u5728\u4e8e\u5bf9\u6750\u6599\u8868\u9762\u7f3a\u9677\u4f4d\u70b9\u7684\u9488\u5bf9\u6027\u4fee\u9970\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6e05\u534e\u5927\u5b66\u4e8e\u6ce2\u3001\u4e2d\u79d1\u9662\u6731\u5efa\u65b0\u548c\u4f50\u6cbb\u4e9a\u7406\u5de5\u5218\u7f8e\u6797\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u7b49\u5728\u56fd\u9645\u80fd\u6e90\u671f\u520aAdvanced Energy Materials<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cSegregation induced self-assembly of highly active perovskite for rapid oxygen reduction reaction<\/strong>\u201d \u7684\u7814\u7a76\u8bba\u6587\u3002\u7814\u7a76\u4eba\u5458\u5229\u7528\u4e0d\u540c\u6d53\u5ea6\u7684Sr(NO3<\/sub>)2<\/sub>\u6eb6\u6db2\u5bf9La0.6<\/sub>Sr0.4<\/sub>CoO3-\u03b4 <\/sub>\uff08LSC\uff09\u8584\u819c\u6c27\u7535\u6781\u8fdb\u884c\u4e86\u8868\u9762\u4fee\u9970\uff0c\u53d1\u73b0\u5c11\u91cfSr2+<\/sup>\u7684\u52a0\u5165\u53ef\u4ee5\u63d0\u9ad8\u7535\u6781\u8868\u9762\u6d3b\u6027\uff0c\u800c\u7ee7\u7eed\u52a0\u5165Sr2+<\/sup>\u5219\u4f1a\u964d\u4f4e\u7535\u6781\u6d3b\u6027\u3002\u66f4\u6709\u8da3\u7684\u662f\uff0c\u7ecf\u7531\u626b\u63cf\u7535\u955c\uff08SEM\uff09\u548c\u4fc4\u6b47\u7535\u5b50\u80fd\u8c31\uff08AES\uff09\u8868\u5f81\u540e\uff0c\u7814\u7a76\u4eba\u5458\u53d1\u73b0\uff0c\u5916\u52a0\u7684\u4e8c\u4ef7\u79bb\u5b50\uff08Sr2+<\/sup>\u6216Ba2+<\/sup>\uff09\u4e5f\u4f1a\u51fa\u73b0\u8868\u9762\u5bcc\u96c6\uff0c\u4e14\u5b83\u4eec\u7684\u5bcc\u96c6\u4f4d\u70b9\u4e0e\u6750\u6599\u5185\u90e8\u6613\u53d1\u751fSr\u504f\u6790\u7684\u4f4d\u70b9\u6070\u597d\u662f\u5b8c\u5168\u91cd\u5408\u7684\u3002\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08TEM\uff09\u548c\u5bfc\u7535\u539f\u5b50\u529b\u663e\u5fae\u955c\uff08C-AFM\uff09\u7684\u7ed3\u679c\u5219\u8fdb\u4e00\u6b65\u8868\u660e\uff0c\u8fd9\u4e9b\u5bcc\u96c6\u4e8e\u8868\u9762\u7684\u5916\u90e8\u79bb\u5b50\u5728\u9ad8\u6e29\u4e0b\u53ef\u53c2\u4e0e\u9499\u949b\u77ff\u7684\u6676\u683c\u5f62\u6210\u8fc7\u7a0b\uff0c\u8fdb\u800c\u5728\u6c27\u7535\u6781\u8868\u9762\u539f\u4f4d\u5f62\u6210\u65b0\u7684\u9499\u949b\u77ff\u6d3b\u6027\u4e2d\u5fc3\u3002\u8fd9\u4e9b\u9ad8\u6d3b\u6027\u9499\u949b\u77ff\u53d6\u4ee3\u4e86\u60f0\u6027\u7684\u8868\u9762\u504f\u6790\u76f8\uff0c\u4ece\u800c\u6781\u5927\u5730\u63d0\u5347\u6c27\u7535\u6781\u6750\u6599\u7684\u7535\u5316\u5b66\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002\u8be5\u7814\u7a76\u63d0\u51fa\u4e86\u4e00\u79cd\u5bf9\u6750\u6599\u8868\u9762\u7f3a\u9677\u4f4d\u70b9\u8fdb\u884c\u9488\u5bf9\u6027\u4fee\u9970\u3001\u8fdb\u800c\u63d0\u5347\u7535\u6781\u6027\u80fd\u7684\u65b9\u6cd5\uff0c\u5e76\u4e3a\u6750\u6599\u6027\u80fd\u63d0\u5347\u7684\u673a\u7406\u63d0\u4f9b\u4e86\u76f4\u89c2\u6709\u529b\u7684\u89e3\u91ca\u3002<\/p>\n

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

\u56fe1 \u7535\u6781\u6027\u80fd\u6d4b\u8bd5<\/p>\n

\"\"<\/p>\n

\uff08a,b\uff09\u7535\u6781\u7684\u7535\u5316\u5b66\u963b\u6297\u8c31\uff08EIS\uff09\u6d4b\u8bd5\u7ed3\u679c\uff1b<\/p>\n

\uff08c\uff09\u7535\u6781\u8868\u9762\u6c27\u4ea4\u6362\u901f\u7387\u5e38\u6570\u4e0e\u8868\u9762Sr\u5143\u7d20\u542b\u91cf\u7684\u706b\u5c71\u578b\u5173\u7cfb\u56fe\uff1b<\/p>\n

\uff08d\uff09\u7535\u6781\u6c27\u4ea4\u6362\u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c\u3002<\/p>\n

\u56fe2 XPS\u8868\u5f81<\/p>\n

\"\"<\/p>\n

\uff08a-c\uff09LSC\u7535\u6781\u8584\u819c\u7684XPS\u8868\u5f81\u7ed3\u679c\uff1b<\/p>\n

\uff08d\uff09\u6750\u6599\u8868\u9762 \u201c\u975e\u9499\u949b\u77ffSr\u201d\u4e0e\u201c\u9499\u949b\u77ffSr\u201d\u7684\u542b\u91cf\u5bf9\u6bd4\u3002<\/p>\n

\u56fe3 AES\u8868\u5f81<\/p>\n

\"\"<\/p>\n

\uff08a-c\uff09LSC\u7535\u6781\u8584\u819c\u7684AES\u8868\u5f81\u7ed3\u679c\uff1b<\/p>\n

\uff08d\uff09\u8868\u9762\u5b64\u5c9b\u5185\u5916\u79bb\u5b50\u542b\u91cf\u5bf9\u6bd4\u3002<\/p>\n

\u56fe4 DFT\u6a21\u62df\u7ed3\u679c<\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u4fee\u9970\u540e\u7684LSC\u7535\u6781\u8584\u819c\u8868\u9762Sr\u3001Ba\u79bb\u5b50\u5206\u5e03\u60c5\u51b5\u5bf9\u6bd4\uff1b<\/p>\n

\uff08b\uff09\u8868\u9762\u5b64\u5c9b\u5185\u5916\u5404\u79bb\u5b50\u542b\u91cf\u5bf9\u6bd4\uff1b<\/p>\n

\uff08c\uff09\u5404\u79cd\u72b6\u6001\u7684LSC\u8868\u9762\u4e0aSr\u79bb\u5b50\u8fc1\u79fb\u80fd\u6a21\u62df\u8ba1\u7b97\u7ed3\u679c\u3002<\/p>\n

\u56fe5 C-AFM\u8868\u5f81<\/p>\n

\"\"<\/p>\n

\uff08a-c\uff09LSC\u7535\u6781\u8584\u819c\u7684\u8868\u9762\u5f62\u8c8c\uff1b<\/p>\n

\uff08d-f\uff09LSC\u7535\u6781\u8584\u819c\u8868\u9762\u5bf9\u5e94\u533a\u57df\u7684\u5bfc\u7535\u6027\u6d4b\u8bd5\u7ed3\u679c\u3002<\/p>\n

\u56fe6 FIB-TEM\u8868\u5f81<\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u8868\u9762\u9499\u949b\u77ff\u5b64\u5c9b\u7684\u884d\u5c04\u82b1\u6837\uff1b<\/p>\n

\uff08b\uff09\u8868\u9762\u9499\u949b\u77ff\u533a\u57df\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

\uff08c\uff09LSC\u8584\u819c\u6a2a\u622a\u9762\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

\uff08d\uff09\u8868\u9762\u975e\u5b64\u5c9b\u533a\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

\uff08e\uff09\u8868\u9762\u975e\u5b64\u5c9b\u533a\u7684\u884d\u5c04\u82b1\u6837\u3002<\/p>\n

\u56fe7 \u6027\u80fd\u63d0\u5347\u673a\u7406\u793a\u610f\u56fe<\/p>\n

\"\"<\/p>\n

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

\u672c\u8bba\u6587\u5728LSC\u8868\u9762\u6d78\u6da6Sr(NO3<\/sub>)2<\/sub>\u6eb6\u6db2\u5bf9\u5176\u8fdb\u884c\u4fee\u9970\uff0c\u8ba9\u6eb6\u6db2\u4e2d\u5177\u6709\u66f4\u5f3a\u7684\u6d3b\u52a8\u6027\u7684Sr2+<\/sup>\u4f18\u5148\u5360\u636e\u8868\u9762\u7f3a\u9677\u4f4d\u70b9\uff0c\u4ee5\u6b64\u6291\u5236\u5185\u90e8Sr\u504f\u6790\u3002\u603b\u7684\u6765\u770b\uff0c\u8fd9\u79cd\u65b9\u6cd5\u5177\u6709\u4ee5\u4e0b\u4e09\u4e2a\u4eae\u70b9\uff1a\u2460\u201c\u501f\u52bf\u751f\u957f\u201d\uff1aTEM\u548cC-AFM\u7684\u7ed3\u679c\u8bc1\u5b9e\uff0c\u5916\u52a0\u7684Sr\u8fc1\u79fb\u5230\u7f3a\u9677\u4f4d\u70b9\u540e\uff0c\u80fd\u4ee5\u5e95\u90e8\u7684LSC\u6676\u4f53\u4e3a\u6a21\u677f\uff0c\u5728\u9ad8\u6e29\u4e0b\u901a\u8fc7\u539f\u4f4d\u81ea\u7ec4\u88c5\u5f62\u6210\u9ad8\u6d3b\u6027\u7684\u9499\u949b\u77ff\u7b2c\u4e8c\u76f8\uff1b\u2461\u201c\u5316\u654c\u4e3a\u53cb\u201d\uff1a\u8868\u9762\u4fee\u9970\u8f6c\u6362\u4e86\u504f\u6790\u53cd\u5e94\u8def\u5f84\uff0c\u4f7f\u5f97\u9ad8\u6d3b\u6027\u9499\u949b\u77ff\u53d6\u4ee3\u4e86\u60f0\u6027\u7684\u8868\u9762\u504f\u6790\u76f8\uff0c\u4ece\u800c\u6781\u5927\u5730\u63d0\u5347\u4e86\u6750\u6599\u7684\u7535\u5316\u5b66\u6d3b\u6027\uff1b\u2462\u201c\u5b64\u5c9b\u6548\u5e94\u201d\uff1a\u901a\u8fc7\u8fd9\u79cd\u8868\u9762\u4fee\u9970\uff0c\u5728\u8868\u9762\u5f62\u6210\u7684\u9499\u949b\u77ff\u5177\u6709\u5b64\u5c9b\u72b6\u5f62\u8c8c\uff0c\u5206\u6563\u4e86\u9499\u949b\u77ff\u7684\u6676\u683c\u5e94\u529b\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u8868\u9762\u7a33\u5b9a\u6027\u3002\u8be5\u6587\u7ae0\u63d0\u51fa\u7684\u8868\u9762\u6539\u6027\u65b9\u6cd5\u5bf9\u4e8e\u63d0\u5347\u9499\u949b\u77ff\u6c27\u7535\u6781\u6750\u6599\u7684\u6d3b\u6027\u4e0e\u7a33\u5b9a\u6027\u5177\u6709\u8f83\u5927\u7684\u6307\u5bfc\u4f5c\u7528\uff0c\u5e76\u4e3a\u6750\u6599\u6027\u80fd\u63d0\u5347\u7684\u673a\u7406\u63d0\u4f9b\u4e86\u76f4\u89c2\u6709\u529b\u7684\u89e3\u91ca\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1a\u201cSegregation induced self-assembly of highly active perovskite for rapid oxygen reduction reaction<\/a>\u201d (Advanced Energy Materials, 2018, DOI: 10.1002\/aenm.201801893)<\/p>\n

\u672c\u8bba\u6587\u7b2c\u4e00\u4f5c\u8005\u4e3a\u6e05\u534e\u5927\u5b66\u7684\u535a\u58eb\u7814\u7a76\u751f \u674e\u4e00\u67ab\u3002<\/p>\n

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