{"id":100988,"date":"2017-09-11T06:30:47","date_gmt":"2017-09-10T22:30:47","guid":{"rendered":"\/\/m.iemloyee.com\/?p=100988"},"modified":"2017-09-10T14:03:08","modified_gmt":"2017-09-10T06:03:08","slug":"nano-energy-%e9%80%9a%e8%bf%87%e7%95%8c%e9%9d%a2%e8%83%bd%e5%b8%a6%e5%bc%af%e6%9b%b2%e5%ae%9e%e7%8e%b0c3n4w18o49%e7%94%b1ii-%e5%9e%8b%e5%90%91z%e5%9e%8b%e8%bd%ac%e5%8c%96%e5%b9%b6%e7%94%a8%e4%ba%8e","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=100988","title":{"rendered":"Nano Energy : \u901a\u8fc7\u754c\u9762\u80fd\u5e26\u5f2f\u66f2\u5b9e\u73b0C3N4\/W18O49\u7531II \u578b\u5411Z\u578b\u8f6c\u5316\u5e76\u7528\u4e8e\u9ad8\u6548\u5149\u50ac\u5316\u5236\u6c22"},"content":{"rendered":"

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

\u6784\u7b51\u4ee5\u9ad8\u6548\u5206\u89e3\u6c34\u4e3a\u76ee\u6807\u7684\u65b0\u578b\u534a\u5bfc\u4f53\u50ac\u5316\u5242\u5728\u53d1\u5c55\u53ef\u6301\u7eed\u6e05\u6d01\u6c22\u80fd\u6e90\u4e2d\u53d1\u6325\u4e86\u91cd\u8981\u7684\u4f5c\u7528\u3002\u7528\u4e8e\u5236\u6c22\u7684\u7406\u60f3\u5149\u50ac\u5316\u5242\u5e94\u5177\u6709\u5438\u6536\u8303\u56f4\u5bbd\u3001\u7a33\u5b9a\u6027\u5f3a\u3001\u7535\u8377\u5206\u79bb\u6548\u7387\u9ad8\u4ee5\u53ca\u8f83\u5f3a\u7684\u6c27\u5316\u8fd8\u539f\u80fd\u529b\u7b49\u5173\u952e\u7279\u6027\u3002\u7136\u800c\uff0c\u5355\u7ec4\u5206\u7684\u5149\u50ac\u5316\u5242\u5f88\u96be\u5177\u5907\u4e0a\u8ff0\u6240\u6709\u7279\u6027\u3002\u56e0\u6b64\uff0c\u590d\u5408\u5149\u50ac\u5316\u4f53\u7cfb(\u4e3b\u8981\u5305\u62ecII\u578b\u548cZ\u578b\u5149\u751f\u7535\u8377\u8f6c\u79fb\u9014\u5f84)\u5e7f\u6cdb\u7528\u4e8e\u63d0\u9ad8\u7535\u8377\u5206\u79bb\u6548\u7387\u3002\u5149\u751f\u7535\u8377\u5728II\u578b\u5f02\u8d28\u7ed3\u4e0a\u53ef\u5b9e\u73b0\u7a7a\u95f4\u5206\u79bb\uff0c\u4f46\u7535\u5b50\u548c\u7a7a\u7a74\u7684\u6c27\u5316\u8fd8\u539f\u80fd\u529b\u88ab\u524a\u5f31\uff0c\u4e0d\u5229\u4e8e\u9700\u8981\u5177\u5907\u9ad8\u6c27\u5316\u8fd8\u539f\u7535\u4f4d\u7684\u6790\u6c22\u53cd\u5e94(HER)\u3002\u76f8\u53cd\uff0cZ\u578b\u590d\u5408\u7ed3\u6784\u4f5c\u4e3a\u7406\u60f3\u7684\u5149\u50ac\u5316\u5236\u6c22\u4f53\u7cfb\u4e4b\u4e00\uff0c\u53ef\u4ee5\u4fdd\u7559\u5149\u751f\u7535\u8377\u4e14\u4e24\u79cd\u534a\u5bfc\u4f53\u5177\u6709\u66f4\u5f3a\u7684\u6c27\u5316\u8fd8\u539f\u80fd\u529b\uff0c\u4ece\u800c\u6ee1\u8db3\u5236\u6c22\u7684\u8981\u6c42\uff0c\u4f46\u5982\u4f55\u8bbe\u8ba1\u548c\u6784\u7b51Z\u578b\u4f53\u7cfb\u4ecd\u5b58\u5728\u5de8\u5927\u6311\u6218\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5929\u6d25\u5927\u5b66\u90b9\u5409\u519b\u6559\u6388<\/strong>(<\/strong>\u901a\u8baf\u4f5c\u8005<\/strong>)<\/strong>\u7b49\u8bc1\u5b9eII\u578b\u673a\u7406\u7684C3<\/sub>N4<\/sub>-W18<\/sub>O49<\/sub>\u590d\u5408\u6750\u6599\u53ef\u901a\u8fc7\u8c03\u8282\u754c\u9762\u80fd\u5e26\u5f2f\u66f2\u8f6c\u4e3a\u76f4\u63a5Z\u578b\u673a\u7406\uff0c\u5e76\u5728Nano Energy<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cSwitching Charge Transfer of C3<\/sub>N4<\/sub>\/W18<\/sub>O49<\/sub> from Type-II to Z-Scheme by Interfacial Band Bending for Highly Efficient Photocatalytic Hydrogen Evolution<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u5b9e\u9a8c\u548cDFT\u8ba1\u7b97\u7ed3\u679c\u8868\u660e\uff0c\u5438\u9644\u4e8eC3<\/sub>N4<\/sub>\u8868\u9762\u7684\u4e09\u4e59\u9187\u80fa(TEOA)\u5c06C3<\/sub>N4<\/sub>\u7684\u8d39\u7c73\u80fd\u7ea7\u663e\u8457\u4e0a\u79fb\uff0c\u8fde\u7eed\u754c\u9762\u80fd\u5e26\u5f2f\u66f2\u9006\u8f6c\uff0c\u56e0\u6b64\uff0c\u5728\u65e0\u7535\u5b50\u4ecb\u5bfc\u8f85\u52a9\u4e0b\u7531II\u578b\u673a\u7406\u8f6c\u4e3aZ\u578b\u673a\u7406\u3002\u91cd\u8981\u7684\u662f\uff0c\u76f8\u6bd4\u4e8e\u7eafC3<\/sub>N4<\/sub>\u8be5Z\u578bC3<\/sub>N4<\/sub>\/W18<\/sub>O49<\/sub>\u590d\u5408\u6750\u6599\u5177\u5907\u66f4\u597d\u7684\u5149\u50ac\u5316\u5236\u6c22\u6d3b\u6027\uff0c\u4ea7\u6c22\u901f\u7387\u4e3a8597\u03bcmol\u00b7h-1<\/sup>\u00b7g-1<\/sup>\uff0c420nm\u5904AQY\u8fbe\u523039.1%(\u4ee5Pt\u4e3a\u52a9\u50ac\u5316\u5242\uff0cTEOA\u4e3a\u727a\u7272\u8bd5\u5242)\u3002\u6839\u636e\u8fd9\u4e00\u5047\u8bbe\uff0c\u7814\u7a76\u8005\u4e5f\u6210\u529f\u5730\u89e3\u91ca\u4e86\u4e3a\u4f55\u5177\u5907\u672c\u5f81Z\u578b\u673a\u7406\u7684C3<\/sub>N4<\/sub>\/WO3<\/sub>\u6027\u80fd\u4e0d\u5982C3<\/sub>N4<\/sub>\/W18<\/sub>O49<\/sub>\u4ee5\u53ca\u4e3a\u4f55TEOA\u662f\u6700\u9002\u5408C3<\/sub>N4<\/sub>\u7684\u727a\u7272\u8bd5\u5242\u3002<\/p>\n

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

\u56fe<\/strong>1 II<\/strong>\u578b\u673a\u7406\u4e0e<\/strong>Z<\/strong>\u578b\u673a\u7406\u7684\u6bd4\u8f83<\/strong><\/p>\n

\"\"<\/p>\n

a,b) II\u578b\u548cZ-scheme\u5149\u50ac\u5316\u7cfb\u7edf\u7684\u7535\u8377\u8f6c\u79fb\u539f\u7406\u793a\u610f\u56fe\uff1b<\/p>\n

c,d) \u534a\u5bfc\u4f53\u590d\u5408\u6750\u6599\u7684\u80fd\u5e26\u56fe(\u4e0d\u540c\u8d39\u7c73\u80fd\u7ea7\u5bf9\u51c6)(EC<\/sub> \u4e3a\u5bfc\u5e26\u80fd\u7ea7\uff0cEV<\/sub>\u4e3a\u4ef7\u5e26\u80fd\u7ea7\uff0cEF<\/sub>\u4e3a\u8d39\u7c73\u80fd\u7ea7)\u3002<\/p>\n

\u56fe<\/strong>2\u00a0 <\/strong>\u8d39\u7c73\u80fd\u7ea7\u53d8\u5316\u7684\u5b9e\u9a8c\u548c\u7406\u8bba\u8ba1\u7b97\u8bc1\u5b9e<\/strong><\/p>\n

\"\"<\/p>\n

a) C3<\/sub>N4<\/sub>\u548cW18<\/sub>O49<\/sub>\u5728\u5438\u9644\u4e0d\u540c\u7269\u8d28\u524d\u540e\u8d39\u7c73\u80fd\u7ea7\u5dee(\u0394EF<\/sub>)(\u901a\u8fc7OCP\u6d4b\u8bd5\u5f97\u5230)\uff1b<\/p>\n

b) C3<\/sub>N4<\/sub>\u548cW18<\/sub>O49<\/sub>\u5728\u5438\u9644\u4e0d\u540c\u7269\u8d28\u540e\u7ecfDFT \u8ba1\u7b97\u7684\u8d39\u7c73\u80fd\u7ea7\u5dee(\u0394EF<\/sub>)\uff1b<\/p>\n

c,d) \u5728\u771f\u7a7a\u4e2dC3<\/sub>N4<\/sub>\u548cW18<\/sub>O49<\/sub>\u8868\u9762\u5438\u9644TEOA\u524d\u540eDFT\u8ba1\u7b97\u56fe\u3002<\/p>\n

\u56fe<\/strong>3 Z<\/strong>\u578b\u673a\u7406\u7684\u5149\u8fd8\u539f\u91d1\u5c5e<\/strong>(<\/strong>\u6c27\u5316\u7269<\/strong>)<\/strong>\u8bc1\u5b9e<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

a,b) \u5728\u7eaf\u6c34\u4e2d\u5149\u6c89\u79efAu\u4e8eC3<\/sub>N4<\/sub>-W18<\/sub>O49<\/sub>\u590d\u5408\u7269\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

c,d) \u5728\u7eaf\u6c34\u4e2d\u5149\u6c89\u79efPbO2<\/sub>\u4e8eC3<\/sub>N4<\/sub>-W18<\/sub>O49<\/sub>\u590d\u5408\u7269\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

e,f) \u5728TEOA\u6eb6\u6db2\u4e2d\u5149\u6c89\u79efAu\u4e8eC3<\/sub>N4<\/sub>-W18<\/sub>O49<\/sub>\u590d\u5408\u7269\u7684TEM\u56fe\u50cf\u3002<\/p>\n

\u56fe<\/strong>4 <\/strong>\u590d\u5408\u6750\u6599\u7684<\/strong>XPS<\/strong>\u8c31\u56fe\u6bd4\u8f83<\/strong><\/p>\n

\"\"<\/p>\n

a) W18<\/sub>O49<\/sub>\u3001C3<\/sub>N4<\/sub>\/(10 wt%)W18<\/sub>O49<\/sub>\u4ee5\u53ca\u5438\u9644\u4e86TEOA\u7684C3<\/sub>N4<\/sub>\/(10 wt%)W18<\/sub>O49<\/sub>\u7684O 1s XPS\u8c31\u56fe\uff1b<\/p>\n

b) C3<\/sub>N4<\/sub>\u3001C3<\/sub>N4<\/sub>\/(10 wt%)W18<\/sub>O49<\/sub>\u4ee5\u53ca\u5438\u9644\u4e86TEOA\u7684C3<\/sub>N4<\/sub>\/(10 wt%)W18<\/sub>O49<\/sub>\u7684N 1s XPS\u8c31\u56fe\u3002<\/p>\n

\u56fe<\/strong>5 C3<\/sub>N4<\/sub>-(10 wt%)W18<\/sub>O49<\/sub><\/strong>\u590d\u5408\u6750\u6599\u7684\u5149\u50ac\u5316\u5236\u6c22\u6d3b\u6027<\/strong><\/p>\n

\"\"<\/p>\n

a) \u53ef\u89c1\u5149\u4e0bC3<\/sub>N4<\/sub>-(10 wt%)W18<\/sub>O49<\/sub>\u5728\u4e0d\u540c\u727a\u7272\u8bd5\u5242\u4e2d\u7684\u5149\u50ac\u5316\u5236\u6c22\u6d3b\u6027\uff1b<\/p>\n

b) \u53ef\u89c1\u5149\u4e0b\u5177\u6709\u4e0d\u540c\u542b\u91cfW18<\/sub>O49<\/sub>\u7684(3 wt%)Pt\/C3<\/sub>N4<\/sub>-W18<\/sub>O49<\/sub>\u5728TEOA\u4e2d\u7684\u5149\u50ac\u5316\u5236\u6c22\u6d3b\u6027\u3002<\/p>\n

\u56fe<\/strong>6\u00a0 C3<\/sub>N4<\/sub>\/W18<\/sub>O49<\/sub><\/strong>\u590d\u5408\u6750\u6599\u7684\u754c\u9762\u4ee5\u53ca\u5236\u6c22\u7a33\u5b9a\u6027<\/strong><\/p>\n

\"\"<\/p>\n

a,b) C3<\/sub>N4<\/sub>\/W18<\/sub>O49<\/sub>\u590d\u5408\u6750\u6599\u7684(HR)TEM\u56fe\uff1b<\/p>\n

c) \u5149\u50ac\u5316\u5236\u6c22\u540e\u56de\u6536\u7684C3<\/sub>N4<\/sub>\/W18<\/sub>O49<\/sub>\u590d\u5408\u6750\u6599\u7684TEM\u56fe\uff1b<\/p>\n

d) \u53ef\u89c1\u5149\u4e0bC3<\/sub>N4<\/sub>\/W18<\/sub>O49<\/sub>\u548cC3<\/sub>N4<\/sub>\/WO3<\/sub>\u5728TEOA\u6eb6\u6db2\u4e2d\u7684\u5149\u50ac\u5316\u5236\u6c22\u6d3b\u6027\uff1b<\/p>\n

e) C3<\/sub>N4<\/sub>\/(10 wt%)W18<\/sub>O49<\/sub>\u590d\u5408\u6750\u6599\u5149\u50ac\u5316\u5236\u6c22\u957f\u6548\u7a33\u5b9a\u6027\u3002<\/p>\n

\u56fe<\/strong>7\u00a0 <\/strong>W18<\/sub>O49<\/sub>\/WO3<\/sub><\/strong>\u8868\u9762<\/strong>\u5438\u9644\u4e09\u4e59\u9187\u80fa<\/strong>\u7684\u6700\u4f18\u5316\u5206\u5b50\u6a21\u578b<\/strong><\/p>\n

\"\"<\/p>\n

a) W18<\/sub>O49<\/sub>\u8868\u9762\u5438\u9644\u4e09\u4e59\u9187\u80fa\u7684\u6700\u4f18\u5316\u5206\u5b50\u6a21\u578b\uff1b<\/p>\n

b) WO3<\/sub>\u8868\u9762\u5438\u9644\u4e09\u4e59\u9187\u80fa\u7684\u6700\u4f18\u5316\u5206\u5b50\u6a21\u578b\u3002<\/p>\n

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

\u8be5\u7814\u7a76\u8bc1\u5b9e\u4e86\u754c\u9762\u80fd\u5e26\u5f2f\u66f2\u662f\u534a\u5bfc\u4f53-\u534a\u5bfc\u4f53\u754c\u9762II\u578b\u548cZ\u578b\u7535\u8377\u8f6c\u79fb\u9014\u5f84\u7684\u5185\u5728\u9a71\u52a8\u529b\u3002\u5b9e\u9a8c\u548c\u8ba1\u7b97\u7ed3\u679c\u8868\u660e\uff0c\u5438\u9644\u4e8eC3<\/sub>N4<\/sub>\u8868\u9762\u7684\u4e09\u4e59\u9187\u80fa(TEOA)\u5c06C3<\/sub>N4<\/sub>\u7684\u8d39\u7c73\u80fd\u7ea7\u663e\u8457\u4e0a\u79fb\uff0c\u8fde\u7eed\u754c\u9762\u80fd\u5e26\u5f2f\u66f2\u9006\u8f6c\uff0c\u7531II\u578b\u673a\u7406\u8f6c\u4e3aZ\u578b\u673a\u7406\u3002\u91cd\u8981\u7684\u662f\uff0c\u76f8\u6bd4\u4e8e\u7eafC3<\/sub>N4<\/sub>\u8be5Z\u578bC3<\/sub>N4<\/sub>\/W18<\/sub>O49<\/sub>\u590d\u5408\u6750\u6599\u5177\u5907\u66f4\u597d\u7684\u5149\u50ac\u5316\u5236\u6c22\u6d3b\u6027\uff0c\u4ea7\u6c22\u901f\u7387\u4e3a8597\u03bcmol\u00b7h-1<\/sup>\u00b7g-1<\/sup>\uff0c420nm\u5904AQY\u8fbe\u523039.1%(\u4ee5Pt\u4e3a\u52a9\u50ac\u5316\u5242\uff0cTEOA\u4e3a\u727a\u7272\u8bd5\u5242)\uff0c\u5e94\u5f52\u56e0\u4e8eZ\u578b\u673a\u7406\u800c\u4e0d\u662fII\u578b\u673a\u7406\u3002\u8be5\u5de5\u4f5c\u6709\u52a9\u4e8e\u6df1\u5165\u7406\u89e3\u534a\u5bfc\u4f53\u590d\u5408\u6750\u6599\u7684\u7535\u8377\u8f6c\u79fb\u4ee5\u53ca\u8bbe\u8ba1\u7528\u4e8e\u9ad8\u6548\u5149\u50ac\u5316\u5236\u6c22\u7684Z\u578b\u5149\u50ac\u5316\u5242\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Switching Charge Transfer of C3<\/sub>N4<\/sub>\/W18<\/sub>O49<\/sub> from Type-II to Z-Scheme by Interfacial Band Bending for Highly Efficient Photocatalytic Hydrogen Evolution. <\/a>(Nano Energy, 2017, DOI: 10.1016\/j.nanoen.2017.08.032)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u8096\u6770\u7f16\u8bd1\uff0c\u8d75\u98de\u9f99\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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