{"id":155857,"date":"2018-10-10T06:00:28","date_gmt":"2018-10-09T22:00:28","guid":{"rendered":"\/\/m.iemloyee.com\/?p=155857"},"modified":"2018-10-11T10:20:25","modified_gmt":"2018-10-11T02:20:25","slug":"%e6%ad%a6%e6%b1%89%e7%90%86%e5%b7%a5%e5%a4%a7%e5%ad%a6%e6%9d%8e%e8%83%bd%e5%8e%a6%e9%97%a8%e5%a4%a7%e5%ad%a6%e9%a9%ac%e6%9d%a5%e8%a5%bf%e4%ba%9a%e5%88%86%e6%a0%a1%e7%8e%8b%e4%bc%9f%e4%bf%8achem","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=155857","title":{"rendered":"\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u674e\u80fd&\u53a6\u95e8\u5927\u5b66\u9a6c\u6765\u897f\u4e9a\u5206\u6821\u738b\u4f1f\u4fcaChem\u7efc\u8ff0\uff1a \u4e8c\u7ef4MXenes\u53ca\u5176\u7eb3\u7c73\u590d\u5408\u6750\u6599\u7684\u8868\u9762\u4e0e\u5f02\u8d28\u8868\u9762\u5de5\u7a0b-\u7535\u50ac\u5316\u4e0e\u5149\u50ac\u5316\u7814\u7a76"},"content":{"rendered":"
\u3010\u5f15\u8a00<\/strong>\u3011<\/p>\n \u968f\u7740\u79d1\u5b66\u6280\u672f\u7684\u53d1\u5c55\uff0c\u65e5\u76ca\u4e25\u91cd\u7684\u73af\u5883\u6c61\u67d3\u95ee\u9898\u53ca\u80fd\u6e90\u77ed\u7f3a\u6210\u4e3a\u6211\u4eec\u4e9f\u5f85\u89e3\u51b3\u7684\u96be\u9898\uff0c\u800c\u50ac\u5316\u88ab\u8ba4\u4e3a\u662f\u89e3\u51b3\u8fd9\u4e9b\u96be\u9898\u7684\u5173\u952e\u6027\u6280\u672f\u4e4b\u4e00\u3002\u4f20\u7edf\u7684\u50ac\u5316\u5242\u5e7f\u6cdb\u5b58\u5728\u50ac\u5316\u9009\u62e9\u6027\u5dee\u3001\u50ac\u5316\u5242\u7a33\u5b9a\u6027\u4e0d\u597d\u53ca\u50ac\u5316\u6548\u7387\u4f4e\u7684\u7f3a\u70b9\uff0c\u5bfb\u627e\u9ad8\u6548\uff0c\u7a33\u5b9a\u6027\u597d\u7684\u65b0\u578b\u50ac\u5316\u5242\u6709\u975e\u5e38\u91cd\u8981\u7684\u610f\u4e49\u3002\u65b0\u578b\u8fc7\u6e21\u91d1\u5c5e\u78b3\u5316\u7269(MXene)\u4ee5\u5176\u5177\u6709\u672c\u5f81\u7eb3\u7c73\u7ea7\u5c42\u72b6\u7ed3\u6784\u3001\u5de8\u5927\u7684\u6bd4\u8868\u9762\u79ef\u548c\u826f\u597d\u7684\u4eb2\u6c34\u6027\uff0c\u4f18\u5f02\u7684\u5bfc\u7535\u6027\uff0c\u4f7f\u5f97\u5176\u5728\u73af\u5883\u4e0e\u80fd\u6e90\u50ac\u5316\u65b9\u9762\u6709\u7740\u5de8\u5927\u7684\u6f5c\u529b\u3002\u674e\u80fd\u6559\u6388\u53ca\u5176\u5408\u4f5c\u56e2\u961f\u5728\u8be5\u9886\u57df\u5b9e\u73b0\u4e86\u4e00\u7cfb\u5217\u7684\u8fdb\u5c55\uff0c\u9996\u6b21\u7cfb\u7edf\u7814\u7a76\u4e86MXene\u50ac\u5316\u8fd8\u539f\u4e8c\u6c27\u5316\u78b3\u7684\u5206\u5b50\u7535\u5b50\u673a\u5236(ACS Nano 2017, 11, 10825-10833)\uff1b\u9996\u6b21\u62a5\u9053MXene\u4eba\u5de5\u56fa\u6c2e(Energy Environ. Sci. 2016, 9, 2545-2549)\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb<\/strong>\u3011<\/p>\n \u8fd1\u65e5\uff0c\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u674e\u80fd\u6559\u6388\u8054\u5408\u53a6\u95e8\u5927\u5b66\u9a6c\u6765\u897f\u4e9a\u5206\u6821\u738b\u4f1f\u4fca(Wee-Jun Ong)\u6559\u6388\u5e94\u9080\u5728\u56fd\u9645\u8457\u540d\u520a\u7269\u300a\u7ec6\u80de\u300b\uff08Cell\uff09\u7684\u5b50\u520a\u300aChem\u300b\u4e0a\u64b0\u5199\u9898\u4e3a\u201cSurface and Heterointerface Engineering of Two-Dimensional MXenes and their Nanocomposites: Insights into Electro- and Photo-catalysis\u201d (Doi: 10.1016\/j.chempr.2018.08.037 )\u7684\u7efc\u8ff0\u8bba\u6587\u3002\u5728\u8be5\u7efc\u8ff0\u6587\u7ae0\u4e2d\uff0c\u4f5c\u8005\u9996\u5148\u4ecb\u7ecd\u5404\u79cdMXenes\u6750\u6599\u7684\u5408\u6210\u65b9\u6cd5\uff0c\u5e76\u8be6\u5c3d\u5217\u4e3e\u51fa\u4e86\u5df2\u7ecf\u5b9e\u9a8c\u5236\u5907\u51fa\u6765\u7684\u4e8c\u5341\u591a\u79cdMXenes\u6750\u6599\uff0c\u4f7f\u8bfb\u8005\u5bf9MXenes\u6750\u6599\u6709\u4e86\u4e00\u5b9a\u7684\u8ba4\u8bc6\u4e0e\u4e86\u89e3\u3002\u7d27\u63a5\u7740\u4f5c\u8005\u4eceMXenes\u7684\u7535\u5b50\u6027\u8d28\u5165\u624b\uff0c\u5206\u6790\u4e86MXenes\u6750\u6599\u7684\u80fd\u5e26\u7ed3\u6784\uff0c\u4ece\u80fd\u5e26\u6027\u8d28\u65b9\u9762\u5bf9MXenes\u6750\u6599\u7684\u50ac\u5316\u6027\u80fd\u8fdb\u884c\u4e86\u7b80\u8981\u7684\u5206\u6790\u3002\u540c\u65f6\uff0c\u4f5c\u8005\u4e5f\u5bf9MXenes\u6750\u6599\u5728\u4ea7\u6c22\u50ac\u5316(HER)\uff0c\u6790\u6c27\u50ac\u5316(OER)\uff0cCO2<\/sub>\u8fd8\u539f\u50ac\u5316(CO2RR)\u7b49\u65b9\u9762\u7684\u524d\u6cbf\u7814\u7a76\u8fdb\u884c\u4e86\u4ecb\u7ecd\u53ca\u8ba8\u8bba\uff0c\u603b\u7ed3\u4e86\u4e0d\u540cMXenes\u6750\u6599\u7684\u50ac\u5316\u6027\u80fd\u53ca\u7279\u70b9\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb<\/strong>\u3011<\/p>\n \u56fe1. MXene\u6750\u6599\u7814\u7a76\u8fdb\u5c55\u7684\u65f6\u95f4\u8f74<\/p>\n 1.1 \u542b\u6c1f\u8bd5\u5242\u523b\u8680\u5408\u6210MXene<\/b><\/strong><\/p>\n MXene\u901a\u5e38\u662f\u4ece\u5b83\u4eec\u76f8\u5e94\u7684\u4e09\u7ef4(3D)\u5c42\u72b6\u4e09\u5143\u78b3\u5316\u7269\u6216\u6c2e\u5316\u7269(MAX\u76f8)\u9009\u62e9\u6027\u5730\u8680\u523b\u201cA\u201d\u5143\u7d20\u4ea7\u751f\u3002\u57282011\u5e74\uff0cNaguib\u7b49\u4eba\u6210\u529f\u5229\u7528HF\u523b\u8680Ti3<\/sub>AlC2<\/sub>\u76f8\u7684\u5230\u4e86MXene\u6750\u6599TI3<\/sub>C2<\/sub>\uff0c\u968f\u540e\u4ed6\u4eec\u901a\u8fc7\u523b\u8680\u4e0d\u540cMAX\u76f8\u5f97\u5230\u4e86\u591a\u79cd\u4e0d\u540c\u7684MXene\u6750\u6599\uff0c\u5305\u62ec\u4e86Ti3<\/sub>C2<\/sub>\u3001Ti2<\/sub>C\u3001Ta4<\/sub>C3<\/sub>\u3001TiNbC,\u4ee5\u53caTi3<\/sub>CN\u3002\u9664\u4e86\u4f7f\u7528HF\uff0c\u5229\u7528\u6c22\u6c1f\u5316\u7269\u4ee5\u53ca\u6c1f\u5316\u7269\u4e0e\u9178\u6df7\u5408\u6eb6\u6db2\u4f5c\u4e3a\u523b\u8680\u5242\u4e5f\u90fd\u80fd\u6709\u6548\u7684\u523b\u8680\u6389\u201cA\u201d\u76f8\u3002\u76f8\u6bd4\u4e8eHF\uff0c\u5229\u7528\u6c22\u6c1f\u5316\u7269\u4ee5\u53ca\u6c1f\u5316\u7269\u4e0e\u9178\u6df7\u5408\u6eb6\u6db2\u4f5c\u4e3a\u523b\u8680\u5242\u4e5f\u66f4\u4e3a\u7684\u5b89\u5168\uff0c\u5e76\u4e14\u4e0d\u540c\u7684\u5408\u6210\u65b9\u6cd5\u4e5f\u5bfc\u81f4\u4e86MXene\u6750\u6599\u5728\u6027\u80fd\u65b9\u9762\u7684\u5dee\u5f02\u3002<\/p>\n \u56fe2. MXene\u6750\u6599\u7ed3\u6784\u793a\u610f\u56fe<\/p>\n \u56fe3. \u901a\u8fc7HF\u523b\u8680\u5f97\u5230\u7684\u51e0\u79cd\u4e0d\u540c\u7684MXene\u6750\u6599\u3002<\/p>\n 1.2 \u5176\u4ed6\u5408\u6210\u65b9\u6cd5<\/b><\/strong><\/p>\n \u4f7f\u7528\u542b\u6c1f\u8bd5\u5242\u523b\u8680\u5408\u6210MXene\u4e0d\u4ec5\u5bf9\u73af\u5883\u6c61\u67d3\u8f83\u5927\u800c\u4e14\u5728\u5b9e\u9a8c\u65b9\u9762\u4e5f\u5b58\u5728\u4e0d\u5b89\u5168\u56e0\u7d20\uff0c\u5bf9\u4eba\u4f53\u5371\u5bb3\u8f83\u5927\u3002\u968f\u7740\u5bf9MXene\u6750\u6599\u7814\u7a76\u7684\u6df1\u5165\uff0c\u5404\u79cd\u65b0\u7684MXene\u5408\u6210\u65b9\u6cd5\u4e5f\u63a5\u8e35\u800c\u81f3\u3002\u5176\u4e2d\uff0c\u5229\u7528CVD\u6280\u672f\u5408\u6210MXene\u6750\u6599\u53ef\u4ee5\u6709\u6548\u7684\u63a7\u5236MXene\u4e2d\u7684\u7f3a\u9677\u6570\u91cf\uff0c\u662f\u4e00\u79cd\u9ad8\u6548\u5b89\u5168\u7684\u5408\u6210\u65b9\u6cd5\u3002<\/p>\n 2.MXene\u5728\u50ac\u5316\u65b9\u9762\u7684\u7814\u7a76<\/b><\/strong>\u8fdb\u5c55<\/b><\/strong><\/p>\n \u56fe4.\u00a0MXene\u6750\u6599\u5728\u73af\u5883\u4e0e\u80fd\u6e90\u8f6c\u6362\u65b9\u9762\u7684\u5e94\u7528\u3002<\/p>\n 2.1 MXene\u5728OER\u3001ORR\u50ac\u5316<\/b><\/strong><\/p>\n \u56fe5.\u00a0MXene\u6750\u6599OER\u53caORR\u65b9\u9762\u7684\u5e94\u7528\u3002<\/p>\n \u4f5c\u4e3a\u71c3\u6599\u7535\u6c60\u7684\u5173\u952e\u6280\u672f\uff0c\u5bf9\u4e8eOER\u4ee5\u53caORR\u50ac\u5316\u7684\u7814\u7a76\u6709\u52a9\u4e8e\u71c3\u6599\u7535\u6c60\u9886\u57df\u7684\u7814\u7a76\u53d1\u5c55\u3002\u901a\u8fc7\u5c1d\u8bd5\u5c06MXene\u6750\u6599\u4e0e\u5176\u4ed6\u534a\u5bfc\u4f53\u6750\u6599\u7684\u7ed3\u5408\uff0c\u79d1\u5b66\u5bb6\u4eec\u81f4\u529b\u4e8e\u5bfb\u627e\u4e00\u79cd\u66f4\u4e3a\u5408\u7406\u4e0e\u9ad8\u6548\u7684OER\u3001ORR\u50ac\u5316\u5242\u3002\u4f46\u662f\u5173\u4e8eMXene\u5728OER\u3001ORR\u50ac\u5316\u65b9\u9762\u7684\u7814\u7a76\u8fd8\u5904\u4e8e\u521d\u7ea7\u9636\u6bb5\uff0c\u5404\u7c7b\u7814\u7a76\u8fd8\u5e76\u4e0d\u662f\u5341\u5206\u5145\u5206\uff0c\u5728\u8fd9\u4e00\u9886\u57df\u4e0a\u4ecd\u7136\u6709\u5341\u5206\u5e7f\u9614\u7684\u7814\u7a76\u524d\u666f\u3002<\/p>\n 2.2 HER\u50ac\u5316\u7814\u7a76<\/b><\/strong><\/p>\n \u56fe6. MXene\u5728HER\u65b9\u9762\u7684\u7406\u8bba\u7814\u7a76<\/p>\n \u5728HER\u7684\u7406\u8bba\u7814\u7a76\u65b9\u9762\uff0c\u7814\u7a76\u8005\u4eec\u81f4\u529b\u4e8e\u63a2\u7a76MXene\u5728HER\u5e94\u7528\u4e0a\u7684\u53ef\u80fd\u6027\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u901a\u8fc7\u5728MXene\u8868\u9762\u5438\u9644\u8fc7\u6e21\u91d1\u5c5e\u539f\u5b50\u4f7f\u5f97\u6750\u6599\u7684\u6c22\u5438\u9644\u81ea\u7531\u80fd\u66f4\u52a0\u63a5\u8fd1\u4e8e\u96f6\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u5347MXene\u6750\u6599\u7684HER\u50ac\u5316\u6027\u80fd\u3002\u5728HER\u5b9e\u9a8c\u7814\u7a76\u65b9\u9762\uff0c\u4e54\u4e16\u748b\u8bfe\u9898\u7ec4[5<\/a>]\u5408\u6210\u4e86\u91d1\u5c5e\u786b\u5316\u7269\/Ti3<\/sub>C2<\/sub>\uff08\u91d1\u5c5e\u786b\u5316\u7269\uff1aCdS\u3001ZnS\u548cZnx<\/sub>Cd1-x<\/sub>S\uff09\u7eb3\u7c73\u6742\u5316\u5149\u50ac\u5316\u5242\u3002\u8fd9\u79cd\u5149\u50ac\u5316\u5242\u7684\u6027\u80fd\u5341\u5206\u4f18\u5f02\uff0c\u5728420 nm\u6ce2\u957f\u4e0b\uff0c\u8868\u89c2\u91cf\u5b50\u901f\u7387\u8fbe\u5230\u4e8640.1%\uff0c\u53ef\u89c1\u5149\u4e0b\u4ea7\u6c22\u901f\u7387\u8fbe\u5230\u4e8614,342 \u03bcmol h-1<\/sup>\u00a0g-1<\/sup>\u3002<\/p>\n \u56fe7. MXene\u590d\u5408\u4f53\u7cfbHER\u7814\u7a76<\/p>\n
1.MXene\u5408\u6210\u7684\u4e0d\u540c\u65b9\u6cd5<\/b><\/strong><\/p>\n
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