{"id":38399,"date":"2016-09-06T08:00:37","date_gmt":"2016-09-06T00:00:37","guid":{"rendered":"\/\/m.iemloyee.com\/?p=38399"},"modified":"2016-09-04T19:28:53","modified_gmt":"2016-09-04T11:28:53","slug":"science%ef%bc%9a%e9%ab%98%e6%b4%bb%e6%80%a7iroxsriro3%e6%9e%90%e6%b0%a7%e5%8f%8d%e5%ba%94%e5%82%ac%e5%8c%96%e5%89%82","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=38399","title":{"rendered":"Science\uff1a\u9ad8\u6d3b\u6027IrOx\/SrIrO3\u6790\u6c27\u53cd\u5e94\u50ac\u5316\u5242"},"content":{"rendered":"<p><strong><span style=\"color: #ff0000;\">\u3010\u5f15\u8a00\u3011<\/span><\/strong><\/p>\n<p>\u7535\u89e3\u6c34\u8fc7\u7a0b\u5305\u542b\u6790\u6c22\uff08HER\uff09\u548c\u6790\u6c27\uff08OER\uff09\u4e24\u4e2a\u534a\u53cd\u5e94\uff0c\u7531\u4e8e\u6790\u6c27\u53cd\u5e94\u8fc7\u7a0b\u53cd\u5e94\u52a8\u529b\u5b66\u7f13\u6162\uff0c\u6210\u4e3a\u4e86\u7535\u89e3\u6c34\u5236\u6c22\u7684\u74f6\u9888[<sup><a href=\"http:\/\/www.dicp.ac.cn\/xwzx\/kjdt\/201512\/t20151217_4498121.html\" target=\"_blank\">1<\/a><\/sup>]\u3002\u65e0\u8bba\u662fHER\u8fd8\u662fOER\uff0c\u5747\u9700\u8981\u50ac\u5316\u5242\u6765\u964d\u4f4e\u7535\u5316\u5b66\u53cd\u5e94\u8fc7\u7535\u4f4d\uff08\u8fc7\u7535\u4f4d\u662f\u7ed9\u5b9a\u7684\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\uff0c\u65bd\u52a0\u7684\u7535\u538b\u548c\u70ed\u529b\u5b66\u53cd\u5e94\u7535\u52a8\u52bf\u4e4b\u95f4\u7684\u5dee\u503c\uff09\u3002<\/p>\n<p>\u76ee\u524dOER\u50ac\u5316\u5242\u8981\u8fbe\u523010 mA cm<sup>-2<\/sup>\u7684\u6bd4\u6d3b\u6027\uff0c\u81f3\u5c11\u9700\u8981320 mV\u4ee5\u4e0a\u7684\u8fc7\u7535\u4f4d\u3002\u5728\u78b1\u6027\u7535\u89e3\u8d28\u4e2d\u8868\u73b0\u51fa\u9ad8\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u7684\u8d35\u91d1\u5c5e\u6216\u975e\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u8fc7\u591a\uff0c\u5728\u9178\u6027\u7535\u89e3\u8d28\u4e2d\uff0c\u4ec5\u6709IrO<sub>x<\/sub>\u548cRuO<sub>x<\/sub>\u8fd9\u4e24\u7c7b\u50ac\u5316\u5242\u53ef\u4ee5\u5728\u4f4e\u4e8e750 mV\u7684\u8fc7\u7535\u4f4d\u4e0b\u8fbe\u52305 mA cm<sup>-2<\/sup>\u7684\u6bd4\u6d3b\u6027[<sup><a href=\"http:\/\/pubs.acs.org\/doi\/abs\/10.1021\/ja510442p\" target=\"_blank\">2<\/a><\/sup>]\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/span><\/p>\n<p>\u6765\u81ea\u65af\u5766\u798f\u5927\u5b66\u7684Thomas F. Jaramillo\u6559\u6388\u7684\u7814\u7a76\u56e2\u961f\u56f4\u7ed5IrO<sub>x<\/sub>\/SrIrO<sub>3<\/sub>\uff0c\u5f00\u53d1\u4e86\u4e00\u79cd\u5728\u9178\u6027\u7535\u89e3\u8d28\u4e2d\u5177\u6709\u9ad8\u6d3b\u6027\u548c\u9ad8\u7a33\u5b9a\u6027\u7684OER\u50ac\u5316\u5242[<sup><a href=\"http:\/\/science.sciencemag.org\/content\/353\/6303\/1011\" target=\"_blank\">3<\/a><\/sup>]\u3002\u8be5\u50ac\u5316\u5242\u5728\u8fde\u7eed\u6d4b\u8bd530 h\u4e2d\uff0c\u8fc7\u7535\u4f4d\u4e3a270-290 mV\uff08\u6bd4\u6d3b\u6027\u4e3a10 mA cm<sup>-2<\/sup>\u65f6\uff09\u3002\u5728\u9178\u6027\u7535\u89e3\u8d28\u4e2d\uff0cOER\u6027\u80fd\u80dc\u8fc7\u5df2\u77e5\u7684IrO<sub>x<\/sub>\u548cRuO<sub>x<\/sub>\u50ac\u5316\u4f53\u7cfb\uff08320 mV<sup>2<\/sup>\uff09\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>\u56fe\u6587\u5bfc\u8bfb\uff1a<\/strong><\/span><\/p>\n<p><strong>\u56fe1\u00a0\u6750\u6599\u8868\u5f81<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-38447 size-full\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/F3.large_.jpg\" width=\"650\" height=\"288\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/F3.large_.jpg 650w, \/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/F3.large_-300x133.jpg 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<p>\u949b\u9178\u9536\u8584\u819c\u8868\u9762\u6c89\u79ef\u7684SrIrO<sub>3<\/sub>\u540e\uff0c30\u5c0f\u65f6\u7684OER\u53cd\u5e94\uff0c\u4f7f\u5f97\u8868\u9762\u7c97\u7cd9\u5ea6\u589e\u52a0\uff0cSr\u4eceSrIrO<sub>3<\/sub>\u8868\u9762\u6d78\u51fa\uff0c\u5207\u8868\u9762\u6709IrO<sub>3<\/sub>\u6216IrO<sub>2<\/sub>\u5f62\u6210\u3002<\/p>\n<p>(A) SrIrO3\u8584\u819cAFM\u7684\u9762\u626b\u548c\u7ebf\u626b\u56fe\uff08OER\u6d4b\u8bd530\u5c0f\u65f6\u524d\u540e\uff09\uff1b<\/p>\n<p>(B) \u949b\u9178\u9536\u548cIrO2\u6837\u54c1\u7684\u7c97\u7cd9\u5ea6\u56e0\u5b50\uff08RF\uff09\u548c\u7c97\u7cd9\u5ea6\u5747\u65b9\u6839(RMS)\uff08\u5355\u4f4d\u4e3a\u7eb3\u7c73\uff09\uff1b<\/p>\n<p>(C) 100\u7eb3\u7c73\u7684SrTiO3\u819c\u7684X\u5c04\u7ebf\u884d\u5c04\uff1b<\/p>\n<p>(D) 100\u7eb3\u7c73\u7684SrIrO<sub>3<\/sub>\u8584\u819cIr 4f \u548cSr 3d \u5cf0 \u5149\u7535\u5b50\u80fd\u8c31\uff08XPS\uff09\u4ee5\u53ca (E) OER\u6d4b\u8bd530\u5c0f\u65f6\u540e\uff0c\u8584\u819c\u8868\u9762\u7684\u5404\u5143\u7d20\u7684\u76f8\u5bf9\u91cf\u6df1\u5ea6\u6e85\u5c04\u4fe1\u606f\u3002<\/p>\n<p>\u3010\u6ce8\u3011a.u.\uff1a\u4efb\u610f\u5355\u4f4d\u3002<\/p>\n<p><strong>\u56fe2 \u7535\u50ac\u5316\u6570\u636e<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-38446 size-full\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/F1.large_.jpg\" width=\"650\" height=\"826\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/F1.large_.jpg 650w, \/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/F1.large_-236x300.jpg 236w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<p>\u5728\u9178\u6027\u7535\u89e3\u8d28\u4e2d\uff0cOER\u6d4b\u8bd530\u5c0f\u65f6\u524d\u540e\uff0c\u6bd4\u6d3b\u6027\u4e3a10 mA cm<sup>-2<\/sup>\u65f6\u7684\u8fc7\u7535\u4f4d\u5728270-290 mV\uff0c\u50ac\u5316\u6027\u80fd\u8fdc\u80dc\u5df2\u77e5\u7684IrO<sub>x<\/sub>\u548cRuO<sub>x<\/sub>\u50ac\u5316\u4f53\u7cfb\u3002<\/p>\n<p>(A) OER\u6d4b\u8bd530\u5c0f\u65f6\u524d\u540e\uff0c\u6bd4\u6d3b\u6027\u4e3a10 mA cm<sup>-2<\/sup>\u65f6\u7684\u7535\u4f4d\u6bd4\u8f83\uff1b<\/p>\n<p>(B) \u9178\u6027\u4ecb\u8d28OER\u53cd\u5e94\u4e2d\u7684\u5854\u8d39\u5c14\u66f2\u7ebf\u3002<\/p>\n<p><strong>\u56fe<\/strong><strong>3 DFT\u7406\u8bba\u8ba1\u7b97<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-38450\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/F2.large_.jpg\" alt=\"F2.large\" width=\"700\" height=\"269\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/F2.large_.jpg 700w, \/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/F2.large_-300x115.jpg 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>DFT\u8ba1\u7b97\u8868\u660e\uff0c\u5728\u7535\u5316\u5b66\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\uff0cSrIrO<sub>3<\/sub>\u8868\u9762\u5c42\u4e2d\u4f1a\u53d1\u751fSr\u6d78\u51fa\uff0c\u5728Sr\u6d78\u51fa\u540e\uff0c\u8868\u9762\u5f62\u6210IrO<sub>3<\/sub>\u6216\u8005\u91d1\u7ea2\u77f3\u578bIrO<sub>2<\/sub>\uff0c\u8868\u9762\u5c42\u5177\u6709\u9ad8\u6d3b\u6027\u3002<\/p>\n<p>(A) \u7406\u8bba\u8fc7\u7535\u4f4d(\u03b7) O* and OH* \u7ed3\u5408\u80fd\uff1b<\/p>\n<p>(B-I) IrO<sub>x<\/sub>\u548cSrIrO<sub>3<\/sub>\u8868\u9762\u53cd\u5e94\u8fc7\u7a0b\u7684\u7406\u8bba\u6a21\u578b(strontium, green; iridium, blue; oxygen, red)\uff1b<\/p>\n<p>(J) \u9ed1\u5708\u8868\u793aOH* and OOH* \u7ed3\u5408\u80fd\u7684\u6bd4\u4f8b\u5173\u7cfb\uff08\u7070\u7ebf\u53ca\u9634\u5f71\u533a\u57df\u603b\u7ed3\u81ea\u6587\u732e\u4e2d\u7684\u8fc7\u6e21\u91d1\u5c5e\u53ca\u5176\u6c27\u5316\u7269\uff09\uff1b<\/p>\n<p>\u3010\u6ce8\u3011G\uff1a\u5409\u5e03\u65af\u81ea\u7531\u80fd\uff1b ML\uff1a\u5355\u5c42\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>\u5c55\u671b\uff1a<\/strong><\/span><\/p>\n<p>\u6587\u7ae0\u4eae\u70b9\u5728\u4e8e\u6240\u5236\u5907\u7684IrO<sub>x<\/sub>\/SrIrO<sub>3<\/sub>\u50ac\u5316\u5242\u6709\u7740\u4f18\u5f02\u7684OER\u6027\u80fd\uff0c\u8868\u9762\u6790\u51fa\u7684IrO<sub>x<\/sub>\u7eb3\u7c73\u7c92\u5b50\u589e\u5f3a\u4e86\u50ac\u5316\u6d3b\u6027\u3002\u867d\u7136\u672a\u6709\u89e3\u91ca\u8868\u9762Sr\u7684\u6d78\u51fa\u4ee5\u53caIrO<sub>x<\/sub>\u50ac\u5316\u53cd\u5e94\u7684\u673a\u7406\uff0c\u4f46\u5176\u7406\u8bba\u8ba1\u7b97\u505a\u4e86\u50ac\u5316\u6027\u80fd\u589e\u5f3a\u7684\u6709\u529b\u8bc1\u660e\u3002\u8be5\u5de5\u4f5c\u4e3a\u7814\u7a76OER\u9178\u6027\u4ecb\u8d28\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u65b0\u7684\u65b9\u5411\uff0c\u7ee7\u7eed\u5c06\u7535\u89e3\u6c34\u5236\u6c22\u5de5\u4e1a\u5316\u5411\u524d\u63a8\u8fdb\u3002<\/p>\n<p><strong>\u6587\u732e\u94fe\u63a5\uff1a<\/strong> <a href=\"http:\/\/science.sciencemag.org\/content\/353\/6303\/1011\" target=\"_blank\">A Highly Active and Stable IrO<sub>x<\/sub>\/SrIrO<sub>3<\/sub> Catalyst for the Oxygen Evolution Reaction<\/a> (Science, 2016, DOI:10.1126\/science.aaf5050)<\/p>\n<p><span style=\"color: #000000;\"><strong>\u76f8\u5173\u6587\u732e\u94fe\u63a5\uff1a<\/strong><\/span><\/p>\n<p>[1]<a href=\"http:\/\/pubs.rsc.org\/en\/content\/articlelanding\/2015\/ee\/c5ee03316k#!divAbstract\" target=\"_blank\">Single layer graphene encapsulating non-precious metals as high-performance electrocatalysts for water oxidation<\/a><\/p>\n<p>[2]<a href=\"http:\/\/pubs.acs.org\/doi\/abs\/10.1021\/ja510442p\" target=\"_blank\">Benchmarking Hydrogen Evolving Reaction and Oxygen Evolving Reaction Electrocatalysts for Solar Water Splitting Devices.<\/a><\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u80fd\u6e90\u5b66\u672f\u7ec4 pamperhey \u4f9b\u7a3f\uff0c<a href=\"\/\/m.iemloyee.com\/25127.html\" target=\"_blank\">\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u3002<\/a><\/p>\n<p>\u6b22\u8fce\u5173\u6ce8\u5fae\u4fe1\u516c\u4f17\u53f7\uff0c\u5fae\u4fe1\u641c\u7d22\u201c\u65b0\u80fd\u6e90\u524d\u7ebf\u201d\u6216\u626b\u7801\u5173\u6ce8\u3002<img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-38380 aligncenter\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/weichat-300x300.jpg\" alt=\"new energy\" width=\"300\" height=\"300\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/weichat-300x300.jpg 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/weichat-150x150.jpg 150w, \/\/m.iemloyee.com\/wp-content\/uploads\/2016\/09\/weichat.jpg 340w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 \u7535\u89e3\u6c34\u8fc7\u7a0b\u5305\u542b\u6790\u6c22\uff08HER\uff09\u548c\u6790\u6c27\uff08OER\uff09\u4e24\u4e2a\u534a\u53cd\u5e94\uff0c\u7531\u4e8e\u6790\u6c27\u53cd\u5e94\u8fc7\u7a0b\u53cd\u5e94\u52a8\u529b\u5b66\u7f13\u6162\uff0c\u6210\u4e3a\u4e86\u7535\u89e3\u6c34\u5236\u6c22\u7684\u74f6\u9888[1]\u3002\u65e0\u8bba\u662fHER\u8fd8\u662fOER\uff0c\u5747\u9700\u8981\u50ac&#8230;<\/p>\n","protected":false},"author":1311,"featured_media":38450,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[155],"class_list":["post-38399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-science"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/38399"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/1311"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=38399"}],"version-history":[{"count":13,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/38399\/revisions"}],"predecessor-version":[{"id":38520,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/38399\/revisions\/38520"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/38450"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=38399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=38399"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=38399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}