{"id":95068,"date":"2017-08-10T14:00:17","date_gmt":"2017-08-10T06:00:17","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=95068"},"modified":"2017-08-07T22:14:14","modified_gmt":"2017-08-07T14:14:14","slug":"adv-funct-mater-%e9%87%91%e5%b1%9e-%e6%9c%89%e6%9c%ba%e9%aa%a8%e6%9e%b6%e4%b8%ad%e5%8e%9f%e5%ad%90%e5%b0%ba%e5%ba%a6coox%e7%9a%84%e5%88%b6%e5%a4%87%e5%8f%8a%e5%85%b6%e5%af%b9%e6%9e%90%e6%b0%a7","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=95068","title":{"rendered":"Adv. Funct. Mater.: \u91d1\u5c5e-\u6709\u673a\u9aa8\u67b6\u4e2d\u539f\u5b50\u5c3a\u5ea6CoOx\u7684\u5236\u5907\u53ca\u5176\u5bf9\u6790\u6c27\u53cd\u5e94\u7684\u50ac\u5316"},"content":{"rendered":"

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

\u6790\u6c27\u53cd\u5e94(OER)\u662f\u91d1\u5c5e-\u7a7a\u6c14\u7535\u6c60\u548c\u6c34\u89e3\u88c5\u7f6e\u7684\u6838\u5fc3\u8fc7\u7a0b\uff0c\u53cd\u5e94\u52a8\u529b\u5b66\u7f13\u6162\uff0c\u56e0\u6b64\u5f00\u53d1\u9ad8\u6548\u7684OER\u7535\u50ac\u5316\u5242\u6210\u4e3a\u4e86\u8be5\u9886\u57df\u7684\u7814\u7a76\u70ed\u70b9\uff0c\u5176\u4e2d\u94b4(Co)\u7684\u6c27\u5316\u7269\u56e0\u5176\u4f18\u5f02\u7684\u50ac\u5316\u6027\u80fd\u5907\u53d7\u5173\u6ce8\u3002\u50ac\u5316\u5242\u7684\u6d3b\u6027\u5341\u5206\u4f9d\u8d56\u6d3b\u6027\u4f4d\u70b9\u6570\uff0c\u901a\u5e38\u53ef\u4ee5\u901a\u8fc7\u51cf\u5c0f\u50ac\u5316\u5242\u7684\u5c3a\u5bf8\u6765\u66b4\u9732\u66f4\u591a\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u4f8b\u5982\u5177\u6709\u8d85\u9ad8\u6d3b\u6027\u7684\u5355\u539f\u5b50\u50ac\u5316\u5242\u3002\u56e0\u6b64\uff0c\u5236\u5907\u539f\u5b50\u5c3a\u5ea6\u7684CoOx<\/sub><\/em>\u50ac\u5316\u5242\u6210\u4e3a\u4e86OER\u7535\u50ac\u5316\u9886\u57df\u7814\u7a76\u7684\u70ed\u70b9\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6e56\u5357\u5927\u5b66\u738b\u53cc\u5370\u6559\u6388\u3001\u897f\u5b89\u4ea4\u901a\u5927\u5b66\u6c88\u5c11\u534e\u6559\u6388<\/strong>\u548c\u6fb3\u5927\u5229\u4e9a\u4f0d\u4f26\u8d21\u5927\u5b66\u4fb4\u672f\u96f7\u6559\u6388<\/strong>(\u5171\u540c\u901a\u8baf\u4f5c\u8005)<\/strong>\u7b49\u4eba\u5728Adv. Funct. Mater.<\/strong>\u53d1\u8868\u4e86\u9898\u4e3a\u201cAtomic-Scale CoOx<\/sub><\/em> Species in Metal-Organic Frameworks for Oxygen Evolution Reaction\u201d<\/strong>\u7684\u7814\u7a76\u8bba\u6587\uff0c\u62a5\u9053\u4e86\u5229\u7528Co\u57faMOF\u5236\u5907\u539f\u5b50\u5c3a\u5ea6OER\u7535\u50ac\u5316\u5242\u7684\u6700\u65b0\u7814\u7a76\u6210\u679c\u3002\u7814\u7a76\u56e2\u961f\u4ee5ZIF-67 (Co\u57faMOFs)\u4e3a\u539f\u6599\uff0c\u901a\u8fc7O2<\/sub>\u7b49\u79bb\u5b50\u4f53\u5904\u7406\u6210\u529f\u539f\u4f4d\u5236\u5907\u4e86CoOx<\/sub><\/em>-ZIF\u50ac\u5316\u5242\u3002ZIF-67\u5177\u6709\u4e30\u5bcc\u7684\u5b54\u9053\u7ed3\u6784\uff0c\u4e3aO2<\/sub>\u8fdb\u5165ZIF\u6d3b\u5316Co2+<\/sup>\u83b7\u5f97\u539f\u5b50\u5c3a\u5ea6\u7684CoOx<\/sub><\/em>\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u901a\u9053\uff1b\u7ecfO2<\/sub>\u7b49\u79bb\u5b50\u4f53\u5904\u7406\u540e\u4ecd\u7136\u4fdd\u6301\u4e86ZIF-67\u7684\u591a\u5b54\u7ed3\u6784\u548c\u5927\u7684\u8868\u9762\u79ef\uff0c\u975e\u5e38\u6709\u5229\u4e8eOER\u4e2d\u7269\u8d28\u7684\u4f20\u8f93\u3002\u6240\u5236\u5907\u7684\u539f\u5b50\u5c3a\u5ea6\u7684CoOx<\/sub><\/em>-ZIF\u50ac\u5316\u5242\u5bf9OER\u7684\u50ac\u5316\u6027\u80fd\u4f18\u4e8e\u8d35\u91d1\u5c5e\u50ac\u5316\u5242RuO2<\/sub>\u3002<\/p>\n

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

\u56fe<\/strong>1 CoOx<\/sub><\/em>-ZIF<\/strong>\u7684\u5408\u6210\u4e0e\u8868\u5f81<\/strong><\/p>\n

\"\"a)CoO<\/span>x<\/sub><\/em>-ZIF\u7684\u5236\u5907\uff1b<\/span><\/p>\n

b)ZIF-67\u548cc)CoO<\/span>x<\/sub><\/em>-ZIF\u7684SEM\u56fe\u3002\u63d2\u56fe\u4e3a\u653e\u5927SEM\u56fe\uff0c\u6807\u5c3a\u4e3a200nm\uff1b<\/span><\/p>\n

d)ZIF-67\u548cCoO<\/span>x<\/sub><\/em>-ZIF\u7684XRD\u8c31\u56fe\uff1b<\/span><\/p>\n

e)ZIF-67\u548cCoO<\/span>x<\/sub><\/em>-ZIF\u4e2dCo\u76842p 3\/2 XPS\u5cf0\u3002<\/span><\/p>\n

\u56fe<\/strong>2 CoOx<\/sub><\/em>-ZIF<\/strong>\u7684\u5fae\u89c2\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

a-c)CoOx<\/sub><\/em>-ZIF\u7684TEM\u548cHAADF-STEM\u56fe\u4ee5\u53ca\u76f8\u5e94\u7684SAED\u82b1\u6837\uff1b<\/p>\n

d)CoOx<\/sub><\/em>-ZIF\u4e2dCo\u3001O\u3001C\u548cN\u7684\u5143\u7d20\u5206\u5e03\uff1b<\/p>\n

e-f)CoOx<\/sub><\/em>-ZIF\u7684\u653e\u5927HAADF-STEM\u56fe\uff1b\u5176\u4e2dCo\u539f\u5b50\u7531\u7ea2\u8272\u5706\u5708\u6807\u51fa\u3002<\/span><\/p>\n

\u56fe<\/strong>3 ZIF-67<\/strong>\u4e2d<\/strong>Co<\/strong>\u7684\u7cbe\u7ec6\u7ed3\u6784\u53ca\u6c27\u5316\u6001\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

a)ZIF-67\u3001CoOx<\/sub><\/em>-ZIF\u548c\u6587\u732e\u4e2d\u91d1\u5c5eCo\u3001CoO\u3001Co3<\/sub>O4<\/sub>\u7684Co K-\u8fb9XANES\u8c31\uff1b<\/p>\n

b)ZIF-67\u548cCoOx<\/sub><\/em>-ZIF\u7684\u91cd\u53e0XANES\u8c31\uff1b<\/p>\n

c)ZIF-67\u548cCoOx<\/sub><\/em>-ZIF\u7684Co K-\u8fb9\u5085\u91cc\u53f6\u53d8\u6362\u8c31\u548ck<\/em>3<\/sup>\u03c7 EXAFS\u632f\u52a8\u8c31(\u63d2\u56fe)\u3002<\/span><\/p>\n

\u56fe<\/strong>4 CoOx<\/sub><\/em>-ZIF<\/strong>\u5bf9<\/strong>OER<\/strong>\u7684\u7535\u50ac\u5316\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

a)ZIF-67\u3001CoOx<\/sub><\/em>-ZIF\u3001CoOx<\/sub><\/em>-ZIF \/C\u548cRuO2<\/sub>\u4e0aOER\u7684\u7ebf\u626b\u63cf\u4f0f\u5b89 (LSV)\u66f2\u7ebf\uff1b<\/p>\n

b)\u7531BET\u8868\u9762\u79ef\u8ba1\u7b97\u7684CoOx<\/sub><\/em>-ZIF\u548cZIF-67\u4e0a\u7684\u5f52\u4e00\u5316LSV\u66f2\u7ebf\uff1b<\/p>\n

c)LSV\u66f2\u7ebf\u5bf9\u5e94\u7684Tafel\u56fe\uff1b<\/p>\n

d)\u5229\u7528\u53ef\u9006\u6c22\u7535\u6781(RHE)\u57281.55V\u6052\u7535\u4f4d\u4e0b\u6d4b\u5f97\u7684CoOx<\/sub><\/em>-ZIF\u548cZIF-67\u7684\u7535\u5316\u5b66\u963b\u6297\u8c31(EIS)\uff1b<\/p>\n

e)\u5728O2<\/sub>\u9971\u548c\u76841 M KOH\u6eb6\u6db2\u4e2d\uff0c\u73af\u7535\u4f4d\u4e3a1.5V\u7684\u65cb\u8f6c\u73af-\u76d8\u7535\u6781(RRDE)\u4e0aCoOx<\/sub><\/em>-ZIF\u7684\u73af\u7535\u6d41\uff1b<\/p>\n

f)\u5728N2<\/sub>\u9971\u548c\u76841 M KOH\u6eb6\u6db2\u4e2d\uff0c\u73af\u7535\u4f4d\u4e3a0.40V\u7684RRDE\u4e0aCoOx<\/sub><\/em>-ZIF\u7684\u73af\u7535\u6d41\u3002<\/span><\/p>\n

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

\u672c\u6587\u901a\u8fc7O2<\/sub>\u7b49\u79bb\u5b50\u5904\u7406ZIF-67\u6210\u529f\u5236\u5907\u4e86\u539f\u5b50\u5c3a\u5ea6\u7684CoOx<\/sub><\/em>\u50ac\u5316\u5242\uff0c\u80fd\u4e3a\u6790\u6c27\u53cd\u5e94\u63d0\u4f9b\u4e30\u5bcc\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u5176\u7535\u50ac\u5316\u6027\u80fd\u8d85\u8fc7\u4e86\u8d35\u91d1\u5c5e\u50ac\u5316\u5242RuO2<\/sub>\u3002\u8be5\u6587\u63d0\u4f9b\u7684\u5236\u5907\u7b56\u7565\u9996\u6b21\u5b9e\u73b0\u4e86\u5728MOFs\u4e2d\u539f\u4f4d\u76f4\u63a5\u83b7\u5f97\u539f\u5b50\u5c3a\u5ea6\u7684\u7535\u50ac\u5316\u5242\uff0c\u4e3a\u539f\u5b50\u5c3a\u5ea6\u7535\u50ac\u5316\u5242\u7684\u4fbf\u6377\u5236\u5907\u63d0\u4f9b\u4e86\u5d2d\u65b0\u7684\u601d\u8def\u3002<\/p>\n

\u3010\u901a\u8baf\u4f5c\u8005\u7b80\u4ecb\u3011<\/span><\/strong><\/p>\n

\u738b\u53cc\u5370<\/strong>\uff0c\u6e56\u5357\u5927\u5b66\u6559\u6388\uff0c\u9752\u5e74\u5343\u4eba\u8ba1\u5212\u5165\u9009\u8005\u3002\u8fd1\u5e74\u6765\u4e3b\u8981\u7814\u7a76\u7535\u50ac\u5316\u5242\u7684\u7f3a\u9677\u8c03\u63a7\uff1a\u5b9e\u73b0\u4e86\u78b3\u6750\u6599\u63ba\u6742\u7f3a\u9677\u7684\u8c03\u63a7\uff0c\u7528\u4f5c\u6c27\u8fd8\u539f\u53cd\u5e94\u7535\u50ac\u5316\u5242(\u00a0Angew. Chem. Int. Ed.\u00a02015. 54, 1888\uff1b 2012, 51, 4209\uff1b 2011, 50,\u00a011756\uff1b Journal of the American Chemical Society, 2011, 133, 5182\uff1b Energy & Environmental Science,\u00a02016,\u00a09\uff0c1320)\uff1b\u9996\u6b21\u5229\u7528\u7535\u5316\u5b66\u5fae\u64cd\u4f5c\u5e73\u53f0\u76f4\u89c2\u5730\u8bc1\u660e\u4e86\u8fb9\u7f18\u3001\u7f3a\u9677\u78b3\u7684\u672c\u5f81\u50ac\u5316ORR\u80fd\u529b\uff0c\u4e3a\u78b3\u57fa\u975e\u91d1\u5c5e\u50ac\u5316ORR\u7684\u673a\u7406\u63d0\u4f9b\u4e86\u8fdb\u4e00\u6b65\u7684\u8ba4\u8bc6(Angew. Chem. Int. Ed. 2014, 53, 10804\uff1b Advanced Materials, 2017, DOI:\u00a010.1002\/ adma.201606207)\uff1b\u901a\u8fc7\u7b49\u79bb\u5b50\u4f53\u6280\u672f\u5b9e\u73b0\u4e86\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u8868\u9762\u6c27\u7a7a\u7a74\u7684\u8c03\u63a7(Angew. Chem. Int. Ed.\u00a02016,\u00a055, 5277)\uff0c\u7528\u4ee5\u50ac\u5316\u6c27\u6790\u51fa\u53cd\u5e94(OER)\uff0c\u5e76\u5728\u6b64\u57fa\u7840\u4e0a\u4e86\u5b9e\u73b0\u4e86\u5c42\u72b6\u53cc\u91d1\u5c5e\u6c22\u6c27\u5316\u7269\u7684\u591a\u5143\u7f3a\u9677\u8c03\u63a7(Angew. Chem. Int. Ed. 2017, \u00a0DOI: 10.1002\/anie.201701477\uff1bAdvanced Materials,\u00a02017, DOI:10.1002\/adma. 201701546)\u3002\u8fd1\u671f\uff0c\u56f4\u7ed5\u7535\u50ac\u5316\u5242\u7f3a\u9677\u5316\u5b66\u8c03\u63a7\u64b0\u5199\u4e86\u76f8\u5173\u7efc\u8ff0\uff1aAdvanced Materials,\u00a02017,\u00a0DOI \uff1a10.1002\/adma.201606459\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aAtomic-Scale CoOx<\/sub><\/em> Species in Metal-Organic Frameworks for Oxygen Evolution Reaction<\/a> (Adv. Funct. Mater., 2017, DOI: 10.1002\/adfm.201702546)<\/p>\n

\u7531\u8877\u611f\u8c22\u738b\u53cc\u5370\u6559\u6388\u5bf9\u672c\u6587\u7684\u65a7\u6b63\u548c\u5bf9\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7684\u6307\u5bfc\uff01<\/strong><\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7eb3\u7c73\u5b66\u672f\u7ec4Roay\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6750\u6599\u4eba\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

\u6750\u6599\u4eba\u7f51\u5411\u5404\u5927\u56e2\u961f\u8bda\u5fc3\u7ea6\u7a3f\uff0c\u8bfe\u9898\u7ec4\u6700\u65b0\u6210\u679c\u3001\u65b9\u5411\u603b\u7ed3\u3001\u56e2\u961f\u8bbf\u8c08\u3001\u5b9e\u9a8c\u6280\u80fd\u7b49\u7686\u53ef\u6295\u7a3f\uff0c\u6295\u7a3f\u8bf7\u8054\u7cfb\uff1a\u90ae\u7bb1tougao@cailiaoren.com \u6216 QQ\uff1a97482208\u3002<\/p>\n

\u4eea\u5668\u8bbe\u5907\u3001\u8bd5\u5242\u8017\u6750\u3001\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u627e\u6750\u6599\u4eba<\/a>\u3001\u4e0a\u6d4b\u8bd5\u8c37<\/a>\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

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