{"id":123904,"date":"2018-02-02T06:30:08","date_gmt":"2018-02-01T22:30:08","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=123904"},"modified":"2018-01-31T14:45:26","modified_gmt":"2018-01-31T06:45:26","slug":"adv-mater-%e5%88%86%e7%ba%a7z%e5%9e%8b%ce%b1-fe2o3g-c3n4%e5%a4%8d%e5%90%88%e6%9d%90%e6%96%99%e7%94%a8%e4%ba%8e%e5%a2%9e%e5%bc%ba%e5%85%89%e5%82%ac%e5%8c%96co2%e8%bf%98%e5%8e%9f","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=123904","title":{"rendered":"Adv. Mater. : \u5206\u7ea7Z\u578b\u03b1-Fe2O3\/g-C3N4\u590d\u5408\u6750\u6599\u7528\u4e8e\u589e\u5f3a\u5149\u50ac\u5316CO2\u8fd8\u539f"},"content":{"rendered":"

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

\u77f3\u58a8\u76f8\u6c2e\u5316\u78b3(g-C3<\/sub>N4<\/sub>)\u7531\u4e8e\u5176\u5ec9\u4ef7\u3001\u6613\u5f97\u7684\u4f18\u70b9\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5149\u50ac\u5316\u5236\u6c22\u4ee5\u53ca\u964d\u89e3\u6c61\u67d3\u7269\u7b49\u9886\u57df\uff0c\u4f46\u7531\u4e8e\u5176\u5149\u751f\u8f7d\u6d41\u5b50\u6613\u4e8e\u590d\u5408\uff0c\u9650\u5236\u4e86\u5176\u5149\u50ac\u5316\u6d3b\u6027\u8fdb\u4e00\u6b65\u63d0\u5347\u3002\u5c06g-C3<\/sub>N4<\/sub>\u4e0e\u5176\u4ed6\u7a84\u5e26\u9699\u534a\u5bfc\u4f53\u590d\u5408\u4f5c\u4e3a\u63d0\u5347\u5176\u5149\u50ac\u5316\u6d3b\u6027\u7684\u7b56\u7565\u4e4b\u4e00\uff0c\u80fd\u62d3\u5bbd\u5149\u8c31\u54cd\u5e94\u8303\u56f4\uff0c\u901a\u8fc7\u6709\u6548\u7684\u7535\u8377\u8f6c\u79fb\u8fdb\u800c\u6291\u5236\u5149\u751f\u7535\u5b50-\u7a7a\u7a74\u5bf9\u7684\u590d\u5408\uff0c\u5176\u4e2d\u6784\u7b51\u76f4\u63a5Z\u578bg-C3<\/sub>N4<\/sub>\u57fa\u590d\u5408\u6750\u6599\u5438\u5f15\u4e86\u4f17\u591a\u5173\u6ce8\u3002\u7a84\u5e26\u9699(2.2 eV)n\u578b\u534a\u5bfc\u4f53\u4e09\u6c27\u5316\u4e8c\u94c1(\u03b1-Fe2<\/sub>O3<\/sub>)\uff0c\u7531\u4e8e\u5176\u5ec9\u4ef7\u3001\u70ed\u529b\u5b66\u7a33\u5b9a\u6027\u548c\u73af\u5883\u53cb\u597d\u7684\u7279\u70b9\uff0c\u662f\u4e00\u79cd\u6f5c\u5728\u7684\u53ef\u89c1\u5149\u50ac\u5316\u5242\u3002\u7136\u800c\uff0c\u5149\u751f\u8f7d\u6d41\u5b50\u5bff\u547d\u8f83\u77ed\u4ee5\u53ca\u7a7a\u7a74\u7684\u6269\u6563\u957f\u5ea6\u77ed(2-4 nm)\u963b\u788d\u4e86\u5176\u5728\u5149\u50ac\u5316\u9886\u57df\u7684\u5e7f\u6cdb\u5e94\u7528\u3002\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u5c06\u5206\u7ea7\u03b1-Fe2<\/sub>O3<\/sub>\u4e0e\u5176\u4ed6\u6750\u6599\u590d\u5408\u662f\u6784\u5efa\u9ad8\u6548\u7684\u5149\u50ac\u5316\u5242\u7b56\u7565\u4e4b\u4e00\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u9999\u6e2f\u4e2d\u6587\u5927\u5b66\u738b\u4fdd\u5f3a\u6559\u6388\u3001\u6fb3\u5927\u5229\u4e9a\u683c\u91cc\u83f2\u65af\u5927\u5b66\u8d75\u60e0\u519b\u6559\u6388(\u5171\u540c\u901a\u8baf\u4f5c\u8005)\u7b49<\/strong>\u6784\u7b51\u4e86\u7531\u6d77\u80c6\u72b6\u8d64\u94c1\u77ff\u548c\u6c2e\u5316\u78b3\u7ec4\u6210\u7684\u5206\u7ea7\u76f4\u63a5Z\u578b\u4f53\u7cfb\uff0c\u5176\u5c06CO2<\/sub>\u8fd8\u539f\u4e3aCO\u7684\u5149\u50ac\u5316\u6d3b\u6027\u5f97\u5230\u589e\u5f3a\uff0c\u5e76\u5728Adv. Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cA Hierarchical Z-Scheme \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub> Hybrid for Enhanced Photocatalytic CO2<\/sub> Reduction<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u4e0a\u8ff0\u4f53\u7cfb\u5728\u65e0\u52a9\u50ac\u5316\u5242\u548c\u727a\u7272\u8bd5\u5242\u7684\u60c5\u51b5\u4e0b\uff0cCO\u4ea7\u751f\u901f\u7387\u8fbe\u523027.2 \u03bcmol\u00b7g-1<\/sup>\u00b7h-1<\/sup>\uff0c\u662fg-C3<\/sub>N4<\/sub>\u76842.2\u500d(10.3 \u03bcmol\u00b7g-1<\/sup>\u00b7h-1<\/sup>)\u3002Z\u578b\u590d\u5408\u6750\u6599\u7684\u5149\u50ac\u5316\u6d3b\u6027\u589e\u5f3a\u5e94\u5f52\u56e0\u4e8e\uff1a(1) \u6d77\u80c6\u72b6\u8d64\u94c1\u77ff\u7684\u4e09\u7ef4\u5206\u7ea7\u7ed3\u6784\u548c\u66f4\u591a\u78b1\u6027\u4f4d\u70b9\u4fc3\u8fdb\u4e86CO2\u5438\u9644\uff1b(2)\u72ec\u7279\u7684Z\u578b\u673a\u7406\u6709\u6548\u5730\u4fc3\u8fdb\u7535\u5b50-\u7a7a\u7a74\u5bf9\u7684\u5206\u79bb\uff0c\u63d0\u9ad8\u4e86g-C3N4\u5bfc\u5e26\u4e2d\u7535\u5b50\u7684\u8fd8\u539f\u6027\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u56fe1 \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684\u5f62\u8c8c\u548c\u5143\u7d20\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

a,b) \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

c) \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u7684HRTEM\u56fe\u50cf(\u5185\u63d2\uff1aFFT\u56fe\u50cf)\uff1b<\/p>\n

d) \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u7684HAADF-STEM\u548cEDX\u5143\u7d20\u5206\u5e03\uff1b<\/p>\n

e) \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u7684EELS\u5206\u5e03\u3002<\/p>\n

\u56fe2 \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684\u8868\u9762\u5143\u7d20\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

a) g-C3<\/sub>N4<\/sub>\u548c\u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u7684N 1s XPS\u8c31\u56fe\uff1b<\/p>\n

b) \u03b1-Fe2<\/sub>O3<\/sub>\u548c\u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u7684Fe 2p XPS\u8c31\u56fe\uff1b<\/p>\n

c) \u03b1-Fe2<\/sub>O3<\/sub>\u548c\u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u7684O 1s XPS\u8c31\u56fe\u3002<\/p>\n

\u56fe3 \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684\u5149\u50ac\u5316CO2<\/sub>\u8fd8\u539f\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

a) \u5149\u50ac\u5316CO\u4ea7\u751f\u91cf\u968f\u65f6\u95f4\u53d8\u5316\uff1b<\/p>\n

b) g-C3<\/sub>N4<\/sub>\u3001\u03b1-Fe2<\/sub>O3<\/sub>\u548c\u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684\u5e73\u5747CO\u4ea7\u751f\u901f\u7387\uff1b<\/p>\n

c) \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff1b<\/p>\n

d) \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599QE\u7684\u6ce2\u957f\u4f9d\u8d56\u6027\u3002<\/p>\n

\u56fe4 \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684\u6d3b\u6027\u4f4d\u70b9\u589e\u5f3a\u8868\u5f81\u548c\u8ba1\u7b97<\/strong><\/p>\n

\"\"<\/p>\n

a) g-C3<\/sub>N4<\/sub>\u3001\u03b1-Fe2<\/sub>O3<\/sub>\u548c\u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684CO2<\/sub>\u5438\u9644\uff1b<\/p>\n

b) g-C3<\/sub>N4<\/sub>\u3001\u03b1-Fe2<\/sub>O3<\/sub>\u548c\u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684CO2<\/sub>-TPD\u66f2\u7ebf\uff1b<\/p>\n

c) g-C3<\/sub>N4\u3001\u03b1-Fe2<\/sub>O3<\/sub>\u548c\u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684CO2<\/sub>\u5438\u9644\u4f18\u5316\u51e0\u4f55\u6784\u578b\u548c\u7ed3\u5408\u80fd\uff1b<\/p>\n

d) g-C3<\/sub>N4<\/sub>\u3001\u03b1-Fe2<\/sub>O3<\/sub>\u548c\u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684CO\u5438\u9644\u4f18\u5316\u51e0\u4f55\u6784\u578b\u548c\u7ed3\u5408\u80fd\u3002<\/p>\n

\u56fe5 \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684\u7535\u5316\u5b66\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

a) g-C3<\/sub>N4<\/sub>\u3001\u03b1-Fe2<\/sub>O3<\/sub>\u548c\u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u53ef\u89c1\u5149\/\u6697\u5904\u4e0b\u7684\u4f0f\u5b89\u56fe\uff1b<\/p>\n

b) g-C3<\/sub>N4<\/sub>\u3001\u03b1-Fe2<\/sub>O3<\/sub>\u548c\u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u7684\u5f00\u8def\u7535\u538b\u3002<\/p>\n

\u56fe6 \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599Z\u578b\u673a\u7406<\/strong><\/p>\n

\"\"<\/p>\n

a,b) g-C3<\/sub>N4<\/sub>\u3001\u03b1-Fe2<\/sub>O3<\/sub>\u548c\u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599\u53ef\u89c1\u5149\u4e0b\u00b7OH\u548c\u00b7O2<\/sub>–<\/sup> \u7684ESR\u68c0\u6d4b\uff1b<\/p>\n

c,d) \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub>\u590d\u5408\u6750\u6599Z\u578b\u673a\u7406\u793a\u610f\u56fe\u3002<\/p>\n

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

\u7814\u7a76\u4eba\u5458\u6784\u7b51\u4e86\u75313D \u6d77\u80c6\u72b6\u03b1-Fe2<\/sub>O3<\/sub>\u548cg-C3<\/sub>N4<\/sub>\u7ec4\u6210\u7684\u5206\u7ea7\u76f4\u63a5Z\u578b\u590d\u5408\u6750\u6599\uff0c\u5728\u4e0d\u4f7f\u7528\u4efb\u4f55\u727a\u7272\u5242\u4ee5\u53ca\u52a9\u50ac\u5316\u5242\u7684\u60c5\u51b5\u4e0b\u5149\u50ac\u5316\u8fd8\u539fCO2<\/sub>\u30023D \u03b1-Fe2<\/sub>O3<\/sub>\u7684\u5f15\u5165\u53ef\u4ee5\u589e\u52a0\u5149\u5438\u6536(\u964d\u4f4e\u5e26\u9699)\uff0c\u8ba9\u66f4\u591a\u7684\u5149\u80fd\u91cf\u53c2\u4e0e\u5230CO2<\/sub>\u8fd8\u539f\uff0c\u8fd8\u53ef\u4ee5\u589e\u52a0CO2<\/sub>\u5728\u590d\u5408\u6750\u6599\u8868\u9762\u7684\u7ed3\u5408\u80fd\/\u5438\u9644\u5bb9\u91cf\uff0c\u4f7f\u5f97CO2<\/sub>\u53ef\u4ee5\u5927\u91cf\u7684\/\u957f\u65f6\u95f4\u53c2\u4e0e\u53cd\u5e94\u3002\u4f5c\u8005\u4e0d\u4ec5\u57fa\u4e8e\u5b9e\u9a8c\u6570\u636e\u5bf9\u5206\u7ea7Z\u578b\u7ed3\u6784\u663e\u8457\u4f18\u52bf\u7684\u8d77\u6e90\u8fdb\u884c\u4e86\u89e3\u91ca\uff0c\u800c\u4e14\u901a\u8fc7\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u5efa\u6a21\u7814\u7a76\u4e86\u5728\u4e09\u4e2a\u4e0d\u540c\u7684\u539f\u5b50\u7ea7\u8868\u9762CO2<\/sub>\u548cCO\u7684\u5438\u9644\u3002\u4e0a\u8ff0\u5de5\u4f5c\u53ef\u4e3a\u4eba\u5de5\u76f4\u63a5Z\u578b\u91d1\u5c5e\u6c27\u5316\u7269\u57fa\u5149\u50ac\u5316\u5242\u7528\u4e8e\u5149\u50ac\u5316CO2<\/sub>\u8fd8\u539f\u63d0\u4f9b\u65b0\u7684\u89c1\u89e3\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aA Hierarchical Z-Scheme \u03b1-Fe2<\/sub>O3<\/sub>\/g-C3<\/sub>N4<\/sub> Hybrid for Enhanced Photocatalytic CO2<\/sub> Reduction<\/a><\/strong> (Adv. Mater., 2018, DOI: 10.1002\/adma.201706108)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u80fd\u6e90\u5c0f\u7ec4abc940504\u7f16\u8bd1\u6574\u7406\uff0c\u53c2\u4e0e\u65b0\u80fd\u6e90\u8bdd\u9898\u8ba8\u8bba\u8bf7\u52a0\u5165\u201c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u6750\u6599\u4ea4\u6d41\u7fa4 422065953\u201d\u3002<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1aRDD-2011-CHERISH\uff0c\u4efb\u4e39\u4e39\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/strong><\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\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><\/strong>\u3002\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/p>\n

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