{"id":95202,"date":"2017-08-07T15:00:18","date_gmt":"2017-08-07T07:00:18","guid":{"rendered":"\/\/m.iemloyee.com\/?p=95202"},"modified":"2017-08-07T15:00:18","modified_gmt":"2017-08-07T07:00:18","slug":"adv-mater-mn3o4mnxco3%e2%88%92xo4%e6%a0%b8%e5%a3%b3%e7%bb%93%e6%9e%84%e4%b8%8d%e9%a5%b1%e5%92%8c%e9%85%8d%e4%bd%8d%e7%9a%84%e8%be%b9%e7%bc%98%e4%bd%8d%e7%82%b9%e7%94%a8%e4%ba%8e%e7%94%b5%e5%82%ac","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=95202","title":{"rendered":"Adv. Mater. Mn3O4@MnxCo3\u2212xO4\u6838\u58f3\u7ed3\u6784\u4e0d\u9971\u548c\u914d\u4f4d\u7684\u8fb9\u7f18\u4f4d\u70b9\u7528\u4e8e\u7535\u50ac\u5316\u6c34\u6c27\u5316"},"content":{"rendered":"

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

\u76ee\u524d\u7535\u5316\u5b66\u6c34\u89e3\u4ea7\u6c22\u5df2\u7ecf\u88ab\u89c6\u4e3a\u4e00\u79cd\u89e3\u51b3\u65e5\u76ca\u589e\u957f\u7684\u80fd\u6e90\u9700\u6c42\u4ee5\u53ca\u73af\u5883\u95ee\u9898\u7684\u65b9\u5f0f\u3002\u4f46\u662f\uff0c\u6790\u6c27\u53cd\u5e94\u2014\u2014OER\uff0c\u56e0\u4e3a\u5176\u8f83\u5f31\u7684\u56fa\u6709\u52a8\u529b\u5b66\u800c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5904\u4e8e\u74f6\u9888\u7684\u72b6\u6001\u3002\u867d\u7136\u4e00\u4e9b\u8d35\u91d1\u5c5e\u6c27\u5316\u7269\u50ac\u5316\u5242\uff0c\u4f8b\u5982\u6c27\u5316\u948c\uff0c\u80fd\u591f\u5728\u76f8\u5bf9\u8f83\u4f4e\u7684\u8fc7\u7535\u4f4d\u4e0b\u8fdb\u884cOER\uff0c\u4f46\u662f\u5176\u9ad8\u6210\u672c\u4ee5\u53ca\u6709\u9650\u7684\u53ef\u7528\u6027\u9650\u5236\u4e86\u5546\u4e1a\u5316\u8fdb\u7a0b\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u4e00\u79cd\u4f4e\u6210\u672c\uff0c\u50a8\u91cf\u4e30\u5bcc\uff0cOER\u6027\u80fd\u7b26\u5408\u5de5\u4e1a\u5316\u7684\u50ac\u5316\u5242\u662f\u5f88\u5177\u6709\u610f\u4e49\u7684\u3002<\/p>\n

\u6700\u8fd1\uff0c\u8fc7\u5ea6\u91d1\u5c5e\u6c27\u5316\u7269\u56e0\u5176\u4ef7\u683c\u4f4e\u5ec9\uff0c\u50a8\u91cf\u4e30\u5bcc\u7b49\u4f18\u52bf\u5f15\u8d77\u4e86\u5e7f\u5927\u79d1\u5b66\u5bb6\u7684\u5173\u6ce8\uff0c\u4f5c\u4e3a\u4e00\u79cd\u65b0\u578b\u6709\u6548\u7684OER\u6750\u6599\uff0c\u8868\u9762\u5f62\u8c8c\u63a7\u5236\u548c\u7535\u5b50\u89c4\u5f8b\u662f\u63d0\u9ad8\u5176\u56fa\u6709\u50ac\u5316\u6027\u80fd\u7684\u4e24\u4e2a\u91cd\u8981\u56e0\u7d20\u3002\u6839\u636e\u8fd9\u4e00\u539f\u5219\u8bb8\u591a\u7814\u7a76\u4eba\u5458\u81f4\u529b\u4e8e\u63d0\u9ad8\u8868\u9762\u79ef\uff0c\u63a7\u5236\u6750\u6599\u7ed3\u6784\u4ee5\u53ca\u4f18\u5316\u50ac\u5316\u5242\u7684\u7ec4\u6210\u3002\u9664\u4e86\u4e0a\u8ff0\u63d0\u5230\u7684\u56e0\u7d20\uff0c\u4f4e\u914d\u4f4d\u7684\u8868\u9762\u8fb9\u7f18\u4f4d\u70b9\u4e5f\u80fd\u591f\u63d0\u9ad8\u50ac\u5316\u6d3b\u6027\u3002\u5bf9\u4e8e\u8d35\u91d1\u5c5e\uff0c\u50ac\u5316\u5242\u4e0d\u540c\u7684\u914d\u4f4d\u6570\u4e0e\u8fb9\u7f18\u4f4d\u70b9\u7684\u5173\u7cfb\u5bf9\u4e8e\u50ac\u5316\u5242\u6027\u80fd\u7684\u63d0\u5347\u7684\u7814\u7a76\u4e5f\u6709\u4e86\u5f88\u591a\u7684\u62a5\u9053\u3002\u4f46\u662f\uff0c\u5bf9\u4e8e\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u7eb3\u7c73\u7c92\u5b50\u7684\u8868\u9762\u8fb9\u7f18\u4f4d\u70b9\u7684\u91cd\u8981\u6027\u8fd8\u9c9c\u6709\u62a5\u9053\uff0c\u7279\u522b\u662f\u5728OER\u7535\u50ac\u5316\u5242\u9886\u57df\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6765\u81ea\u5929\u6d25\u5927\u5b66\u7684\u5de9\u91d1\u9f99\u6559\u6388\u7b49\u4eba<\/strong>\u5728Advanced Materials<\/strong>\u4e0a\u53d1\u6587\uff0c\u9898\u4e3a\uff1a\u201cEdge\u00a0Sites with Unsaturated Coordination on Core\u2013Shell\u00a0Mn3<\/sub>O4<\/sub>@Mnx<\/sub><\/em>Co3\u2212<\/sub>x<\/sub><\/em>O4<\/sub>\u00a0Nanostructures for Electrocatalytic\u00a0Water Oxidation<\/strong>\u201d\u3002\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u4e00\u79cd\u7b80\u5355\u7684\u6676\u79cd\u6cd5\u5b9e\u73b0\u5177\u6709\u591a\u8fb9\u7f18\u4f4d\u70b9\u7684Mn@Cox<\/sub><\/em>Mn3<\/sub>\u2212<\/sub>x<\/sub><\/em>O4<\/sub>\u7eb3\u7c73\u7c92\u5b50\u7684\u5408\u6210\u3002\u5728Mn3<\/sub>O4<\/sub>@Mnx<\/sub><\/em>Co3\u2212<\/sub>x<\/sub><\/em>O4<\/sub>\u7684\u8fb9\u7f18\u4f4d\u70b9\u4e0a\u4ea7\u751f\u4e0d\u9971\u548c\u914d\u4f4d\u5bf9\u4e8e\u8868\u9762\u7ed3\u6784\u7684\u526a\u5207\u5177\u6709\u79ef\u6781\u4f5c\u7528\u3002DFT\u8ba1\u7b97\u8868\u660e\u4e0d\u9971\u548c\u914d\u4f4d\u7684\u8fb9\u5728\u78b1\u6027\u6eb6\u6db2\u4e2d\u5bf9OH-\u5c55\u73b0\u51fa\u4e86\u6781\u5f3a\u7684\u5438\u5f15\u529b\uff0c\u8fd9\u6781\u5927\u5730\u4fc3\u8fdb\u4e86OER\u7535\u5316\u5b66\u6027\u80fd\u7684\u63d0\u9ad8\uff0c\u572810mA\/cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\u8fc7\u7535\u4f4d\u4e3a246mV\uff0c\u5e76\u4e14\u5854\u83f2\u5c14\u659c\u7387\u4e3a46mV dec-1<\/sup>\u3002<\/p>\n

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

\u56fe1\u00a0Mn@CoMnO\u7ed3\u6784\u8868\u5f81\u4ee5\u53ca\u5143\u7d20\u7ec4\u6210<\/strong><\/span><\/p>\n

\"\"<\/p>\n

A) Mn@CoMnO\u7eb3\u7c73\u7c92\u5b50\u7684TEM\u56fe\uff0c\u63d2\u56fe\u4e3a\u7ed3\u6784\u6a21\u578b\u56fe\uff1b<\/p>\n

B,C) Mn@CoMnO\u7eb3\u7c73\u7c92\u5b50\u4ee5\u53ca\u63d2\u56fe\uff1aFFT\u6a21\u578b\u548c\u653e\u5927\u90e8\u5206\u7684HRTEM\u56fe\uff1b<\/p>\n

D) Mn@CoMnO\u7eb3\u7c73\u7c92\u5b50\u4e2dMn, Co\u548cO\u7684HAADF-STEM\u2013EDS\u56fe\uff1b<\/p>\n

E) Mn, Co,\u548cO\u5143\u7d20\u7684EDS\u7ebf\u626b\uff1b<\/p>\n

\u56fe2 \u7ed3\u6784\u8f6c\u53d8\u8fc7\u7a0b\u56fe<\/strong><\/span><\/p>\n

\"\"<\/p>\n

A) \u901a\u8fc7\u4e00\u6b21\u5f62\u8c8c\u6f14\u53d8\u548cCox<\/sub>Mn3<\/sub>\u2212<\/sub>x<\/sub><\/em>O4<\/sub>\u4e8c\u6b21\u8868\u9762\u6c89\u6dc0\u5c55\u73b0\u51fa\u4ece\u7acb\u65b9Mn3<\/sub>O4<\/sub>\u5230\u6700\u7ec8\u7684Mn@CoMnO \u7eb3\u7c73\u7c92\u5b50\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

Mn@CoMnO\u7eb3\u7c73\u7c92\u5b50\u5728\u4e0d\u540c\u53cd\u5e94\u9636\u6bb5\u7684\u5f62\u8c8c\u6f14\u53d8: B) 10 min, C) 30 min,D) 90 min, E) 150 min, F) 240 min, \u6bd4\u4f8b\u5c3a\uff1a10 nm\uff1b<\/p>\n

\u56fe3 Mn@CoMnO\u7684XRD\u56fe\u8c31\uff0cXPS\u56fe\u4ee5\u53ca\u7ed3\u6784\u8bf4\u660e<\/strong><\/span><\/p>\n

\"\"<\/p>\n

A\uff09Mn@CoMnO\u7eb3\u7c73\u7c92\u5b50, Mn@CoMnO-150\u7eb3\u7c73\u7c92\u5b50, Mn@CoMnO-90\u7eb3\u7c73\u7c92\u5b50\u4ee5\u53caMn3<\/sub>O4<\/sub>\u6676\u79cd\u7684XRD\u56fe\uff1b<\/p>\n

B\uff09Mn\u00a02p\u7684XPS\u62df\u5408\uff1b\u00a0<\/p>\n

C) Co 2p\u7684XPS\u62df\u5408\uff1b<\/p>\n

D)\u5bcc\u96c6\u4e0d\u9971\u548c\u914d\u4f4d\u7684\u8fb9\u7f18\u4f4d\u70b9\u7684Mn@CoMnO\u7eb3\u7c73\u7c92\u5b50\u7ed3\u6784\u8bf4\u660e\u56fe\uff1b<\/p>\n

\u56fe4 OER\u6027\u80fd\u8868\u5f81<\/strong><\/span><\/p>\n

\"\"<\/p>\n

A) IR-\u8865\u507f\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

B) \u5854\u83f2\u5c14\u659c\u7387\uff1b.<\/p>\n

C) \u659c\u7387\u503c\uff1b<\/p>\n

D)\u00a0\u5728\u56db\u79cd\u4e0d\u540c\u7684\u9759\u6001\u8fc7\u7535\u4f4d\u4e0b\u65f6\u95f4\u4e0e\u7535\u6d41\u5bc6\u5ea6\u7684\u53d8\u5316\u5173\u7cfb\uff1b<\/p>\n

\u3010\u603b\u7ed3\u3011<\/strong><\/span><\/p>\n

\u4f5c\u8005\u4ecb\u7ecd\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\u5408\u6210\u5bcc\u96c6\u4e0d\u9971\u548c\u914d\u4f4d\u7684\u8fb9\u7f18\u4f4d\u70b9\u7684Mn@CoMnO\u7eb3\u7c73\u7c92\u5b50\u3002\u5728\u751f\u957f\u8fc7\u7a0b\u4e2d\uff0c\u7acb\u65b9Mn3<\/sub>O4<\/sub>\u9996\u5148\u8f6c\u5316\u4e3a\u591a\u622a\u9762\u7684\u516b\u9762\u4f53\u7ed3\u6784\uff0c\u7136\u540eCo\u539f\u5b50\u6c89\u79ef\u5728Mn3<\/sub>O4<\/sub>\u6676\u79cd\u4e0a\u5f62\u6210\u8fb9\u7f18\u4f4d\u70b9\u5bcc\u96c6\u7684\u58f3\u5c42\u3002\u5236\u5907\u6240\u5f97\u6750\u6599\u76f8\u6bd4\u4e8e\u5546\u4e1a\u5316\u7684RuO2<\/sub>\u50ac\u5316\u5242\u5177\u6709\u66f4\u597d\u5730OER\u6027\u80fd\u3002\u7eb3\u7c73\u7c92\u5b50\u572810mA\/cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\u53ea\u6709246mV\u7684\u8fc7\u7535\u4f4d\uff0c\u5854\u83f2\u5c14\u659c\u7387\u53ea\u670946 mV dec-1<\/sup>\u3002DFT\u8ba1\u7b97\u8868\u660e\u4e0d\u9971\u548c\u914d\u4f4d\u5bf9\u4e8eOER\u6027\u80fd\u7684\u63d0\u5347\u662f\u6709\u79ef\u6781\u610f\u4e49\u7684\u3002Mn@CoMnO\u7eb3\u7c73\u7c92\u5b50\u7684OER\u6027\u80fd\u4e5f\u56e0\u4f17\u591a\u7684\u6d3b\u6027\u4f4d\u70b9\u4ee5\u53ca\u5927\u7684\u8868\u9762\u6d3b\u6027\u9762\u79ef\u7684\u534f\u540c\u5f71\u54cd\u800c\u5f97\u5230\u63d0\u5347\u3002\u540c\u65f6Mn@CoMnO\u7eb3\u7c73\u7c92\u5b50\u5728\u957f\u65f6\u95f4\u7684\u7a33\u5b9a\u6027\u6d4b\u8bd5\u540e\u4ecd\u7136\u4fdd\u6301\u5176\u539f\u6709\u5f62\u8c8c\u3002\u00a0<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aEdge Sites with Unsaturated Coordination on Core\u2013Shell Mn3<\/sub>O4<\/sub>@Mnx<\/sub><\/em>Co3\u2212<\/sub>x<\/sub><\/em>O4<\/sub>\u00a0<\/sub>Nanostructures for Electrocatalytic Water Oxidation\u00a0(Advanced Materials, 2017, DOI:\u00a010.1002\/adma.201701820)<\/p>\n

\u672c\u6587\u7531\u65b0\u80fd\u6e90\u524d\u7ebfZ. Chen\u4f9b\u7a3f\uff0c\u6750\u6599\u725bXRsmile\u7f16\u8f91\u6574\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u76ee\u524d\u7535\u5316\u5b66\u6c34\u89e3\u4ea7\u6c22\u5df2\u7ecf\u88ab\u89c6\u4e3a\u4e00\u79cd\u89e3\u51b3\u65e5\u76ca\u589e\u957f\u7684\u80fd\u6e90\u9700\u6c42\u4ee5\u53ca\u73af\u5883\u95ee\u9898\u7684\u65b9\u5f0f\u3002\u4f46\u662f\uff0c\u6790\u6c27\u53cd\u5e94\u2014\u2014OER\uff0c\u56e0\u4e3a\u5176\u8f83\u5f31\u7684\u56fa\u6709\u52a8\u529b\u5b66\u800c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5904\u4e8e\u74f6\u9888\u7684\u72b6\u6001…<\/p>\n","protected":false},"author":1132,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-95202","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/95202"}],"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\/1132"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=95202"}],"version-history":[{"count":1,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/95202\/revisions"}],"predecessor-version":[{"id":95207,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/95202\/revisions\/95207"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=95202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=95202"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=95202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}