{"id":202405,"date":"2020-05-25T06:19:26","date_gmt":"2020-05-24T22:19:26","guid":{"rendered":"\/\/m.iemloyee.com\/?p=202405"},"modified":"2020-05-24T16:19:36","modified_gmt":"2020-05-24T08:19:36","slug":"%e5%bc%a0%e5%bc%9b%e6%9c%89%e5%ba%a6-%e2%94%80-%e7%b4%a7%e5%af%86%e9%87%8d%e5%a0%86%e5%8f%a0%e5%8f%af%e6%8f%90%e5%8d%871t%e7%9b%b8mos2%e4%ba%8c%e7%bb%b4%e7%ba%b3","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=202405","title":{"rendered":"\u201c\u5f20\u201d\u201c\u5f1b\u201d\u6709\u5ea6 \u2500 \u7d27\u5bc6\u91cd\u5806\u53e0\u53ef\u63d0\u53471T\u76f8MoS2\u4e8c\u7ef4\u7eb3\u7c73\u7247\u7684\u7535\u50ac\u5316\u6d3b\u6027"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n 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\u4f8b\u5982\uff0c\u5728\u57fa\u4e8e\u786b\u5316\u94bc\uff08MoS2<\/sub>\uff09\u7684\u7535\u50ac\u5316\u6750\u6599\u4e2d\uff0c\u7edd\u5927\u591a\u6570\u7814\u7a76\u5747\u8ba4\u4e3a\u9632\u6b62MoS2<\/sub>\u7eb3\u7c73\u7247\u7684\u7d27\u5bc6\u5806\u53e0\uff08\u6269\u5927\u5c42\u95f4\u8ddd\uff09\u80fd\u591f\u63d0\u5347\u5176\u7535\u50ac\u5316\u6d3b\u6027\uff0c\u800c\u4e00\u5c0f\u90e8\u5206\u7814\u7a76\u5219\u5448\u73b0\u4e86\u76f8\u53cd\u7684\u7ed3\u679c\u3002\u8fd9\u7c7b\u7814\u7a76\u6700\u5927\u7684\u6311\u6218\u5728\u4e8eMoS2<\/sub>\u7535\u50ac\u5316\u4f53\u7cfb\u7684\u590d\u6742\u6027\uff0c\u5373\u5176\u6d3b\u6027\u53d6\u51b3\u4e8e\u5316\u5b66\u7ec4\u6210\u30011T\/2H\u76f8\u6bd4\u4f8b\u3001\u7535\u5bfc\u7387\u3001\u4f20\u8d28\u7b49\u56e0\u7d20\u7684\u5171\u540c\u4f5c\u7528\u3002\u5728\u4ee5\u5f80\u7684\u7814\u7a76\u4e2d\uff0c\u8c03\u63a7MoS2<\/sub>\u5806\u53e0\u7684\u6761\u4ef6\u8f83\u4e3a\u82db\u523b\uff0c\u7531\u6b64\u9020\u6210\u4e86\u5728\u8c03\u63a7\u524d\u540e\uff0cMoS2<\/sub>\u7eb3\u7c73\u7247\u7684\u8bb8\u591a\u7269\u7406\u548c\u5316\u5b66\u6027\u8d28\u7684\u6539\u53d8\uff0c\u4f7f\u5f97\u7814\u7a76\u5806\u53e0\u5bf9MoS2<\/sub>\u7535\u50ac\u5316\u6027\u80fd\u7684\u5f71\u54cd\u5341\u5206\u56f0\u96be\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5357\u4eac\u7406\u5de5\u5927\u5b66\u5316\u5de5\u5b66\u9662\u6731\u4fca\u6b66\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\u8bfe\u9898\u7ec4\u7684\u94b1\u60fa\u60a6\uff08\u6587\u7ae0\u4e00\u4f5c\uff09\u4ee5\u53ca\u58a8\u5c14\u672c\u5927\u5b66\u5316\u5de5\u7cfb\u674e\u4e39\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\u8bfe\u9898\u7ec4\u7684\u8c22\u514b\uff08\u5171\u540c\u4e00\u4f5c\uff09\u62a5\u9053\u4e86\u91cd\u5806\u53e0\u5bf91T\u76f8MoS2<\/sub>\u7eb3\u7c73\u7247\u7535\u5316\u5b66\u4ea7\u6c22\uff08HER\uff09\u6027\u80fd\u7684\u5f71\u54cd\u3002\u5f53\u6392\u9664\u4e86\u5404\u79cd\u56e0\u7d20\u7684\u5e72\u6270\u4ee5\u540e\uff0c\u4f5c\u8005\u4eec\u53d1\u73b0\uff0c\u76f8\u6bd4\u4e8e\u5728\u91cd\u5806\u53e0\u8fc7\u7a0b\u4e2d\u5f62\u6210\u8f83\u4e3a\u758f\u677e\uff08\u5c42\u95f4\u8ddd\u7ea61 nm\uff09\u7ed3\u6784\u7684MoS2<\/sub>\uff0c\u91cd\u5806\u53e0\u4e3a\u6700\u7d27\u5bc6\uff08\u5c42\u95f4\u8ddd0.62 nm\uff09\u7ed3\u6784\u7684MoS2<\/sub>\u610f\u5916\u5730\u663e\u793a\u51fa\u8f83\u9ad8\u7684HER\u6d3b\u6027\u3002DFT\u8ba1\u7b97\uff08\u7531\u5357\u4eac\u7406\u5de5\u5927\u5b66\u6750\u6599\u5b66\u9662\u5f20\u80dc\u5229\u6559\u6388\u8bfe\u9898\u7ec4\u7684\u90ed\u8bd7\u9896\u5b8c\u6210\uff09\u8868\u660e\uff0cMoS2<\/sub>\u7eb3\u7c73\u7247\u7684\u5c42\u95f4\u7535\u5b50\u76f8\u4e92\u4f5c\u7528\u662f\u5bfc\u81f4\u8fd9\u4e00\u7ed3\u679c\u7684\u4e3b\u8981\u539f\u56e0\u3002\u672c\u6587\u5bf9\u4e8c\u7ef4\u6750\u6599\u9886\u57df\u7814\u7a76\u7684\u63d0\u793a\u5728\u4e8e\uff0c\u5728\u63a7\u5236\u4e8c\u7ef4\u6750\u6599\u91cd\u5806\u53e0\u65f6\u5e94\u5f53\u8003\u8651\u5176\u5bf9\u603b\u4f53\u6027\u80fd\u7684\u5f71\u54cd\u800c\u5e76\u975e\u4e00\u5473\u5730\u9632\u6b62\u5806\u53e0\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cBeneficial Restacking of 2D Nanomaterials for Electrocatalysis: A Case of MoS2<\/sub> Membranes\u201d\u4e3a\u6807\u9898\u53d1\u8868\u5728\u8fd1\u671f\u7684Chemical Communications\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00 MoS2<\/sub>\u591a\u5c42\u7ed3\u6784\u91cd\u5806\u53e0\u7684\u8c03\u63a7<\/p>\n MoS2<\/sub>\u591a\u5c42\u7ed3\u6784\u901a\u8fc7\u5206\u6563-\u91cd\u5806\u53e0\u7684\u65b9\u5f0f\u5408\u6210\u3002\u91cd\u5806\u53e0\u7684MoS2<\/sub>\u53ef\u5229\u7528\u79bb\u5b50\u6db2\u4f53\u8c03\u63a7\u5c42\u95f4\u8ddd\uff0c\u79bb\u5b50\u6db2\u4f53\u5728\u5b8c\u6210\u540e\u53ef\u5b8c\u5168\u9664\u53bb\u3002\u8c03\u63a7\u8fc7\u7a0b\u5168\u7a0b\u5728\u5e38\u6e29\u5e38\u538b\u4e0b\u8fdb\u884c\u3002<\/p>\n \u56fe\u4e8c MoS2<\/sub>\u591a\u5c42\u7ed3\u6784\u7684\u7535\u50ac\u5316\u6d3b\u6027\u6d4b\u8bd5\uff0c\u5176\u4e2dTS-\u4e3a\u7d27\u5bc6\u5806\u53e0\u800cLS1-\u548cLS2-\u4e3a\u758f\u677e\u5806\u53e0\u7684MoS2<\/sub><\/p>\n a)HER\u6781\u5316\u66f2\u7ebf\uff0c\u7535\u6d41\u7ea6\u5316\u4e3a\u7535\u6781\u51e0\u4f55\u9762\u79ef\u3002<\/p>\n b)HER\u6781\u5316\u66f2\u7ebf\uff0c\u7535\u6d41\u7ea6\u5316\u4e3a\u7b49\u6548\u7535\u5316\u5b66\u8868\u9762\u79ef\u3002<\/p>\n c)Tafel\u66f2\u7ebf\u3002<\/p>\n d)\u8d77\u59cb\u7535\u4f4d\u548cTafel\u659c\u7387\u968f\u5c42\u95f4\u8ddd\u7684\u53d8\u5316\u3002<\/p>\n \u56fe\u4e09 MoS2<\/sub>\u591a\u5c42\u7ed3\u6784\u7684\u5149\u8c31\u8868\u5f81\uff0c\u8868\u660e\u8c03\u63a7\u524d\u540e\u5176\u5316\u5b66\u7ec4\u6210\uff0c1T\u76f8\u5360\u6bd4\uff0c\u7f3a\u9677\u7b49\u6027\u8d28\u5747\u6ca1\u6709\u53d1\u751f\u660e\u663e\u53d8\u5316\uff0c\u6240\u6709\u6837\u54c1\u7535\u5bfc\u7387\u5747\u9ad8\u4e8e130 S\/m\uff0c\u79bb\u5b50\u6db2\u4f53\u5728\u7535\u5316\u5b66\u6d4b\u8bd5\u524d\u53ef\u5b8c\u5168\u53bb\u9664\u800c\u4e0d\u5f71\u54cd\u5c42\u95f4\u8ddd\u3002<\/p>\n a)XRD\u8c31\uff0c\u8c03\u63a7\u540e\u5c42\u95f4\u8ddd\u6269\u5927\u4e3a\u5c06\u8fd11 nm\u3002<\/p>\n b)XPS\u8c31\uff0c\u8c03\u63a7\u524d\u540e\uff0c1T\u76f8\u6bd4\u4f8b\u53d8\u5316\u4f4e\u4e8e5%\u3002<\/p>\n c)Raman\u8c31\uff0c\u8c03\u63a7\u524d\u540e\u4fe1\u53f7\u65e0\u660e\u663e\u53d8\u5316\u3002<\/p>\n d)FT-IR\u8c31\uff0c\u6240\u6709\u6837\u54c1\u4e2d\u90fd\u6ca1\u6709\u68c0\u6d4b\u5230\u79bb\u5b50\u6db2\u4f53\u7684\u7ea2\u5916\u5438\u6536\u3002<\/p>\n \u56fe\u56db \u5bf9\u4e0d\u540cMoS2<\/sub>\u591a\u5c42\u7ed3\u6784\u7684HER\u6027\u80fd\u7684DFT\u8ba1\u7b97\u3002<\/p>\n a)\u7535\u8377\u5bc6\u5ea6\u5206\u5e03\u968f\u5c42\u95f4\u8ddd\u53d8\u5316\u60c5\u51b5\uff0c\u968f\u7740\u5c42\u95f4\u8ddd\u589e\u52a0MoS2<\/sub>\u7eb3\u7c73\u7247\u4e4b\u95f4\u7535\u5b50\u76f8\u4e92\u4f5c\u7528\u964d\u4f4e\uff0c\u5176\u8fb9\u7f18\u5bf9\u6c22\u7684\u5438\u9644\u589e\u5f3a\u3002<\/p>\n b)\u7528\u4e8eDFT\u8ba1\u7b97HER\u6027\u80fd\u7684\u6a21\u578b\u56fe\uff0c\u53ef\u89c1HER\u53cd\u5e94\u5728MoS2<\/sub>\u7eb3\u7c73\u7247\u8fb9\u7f18\u53d1\u751f\u3002<\/p>\n c)\u53cd\u5e94\u81ea\u7531\u80fd\u5bf9\u53cd\u5e94\u8fdb\u7a0b\u56fe\uff0c\u6700\u7d27\u5bc6\u5806\u53e0\uff08\u5c42\u95f4\u8ddd62 nm\uff09\u7684MoS2<\/sub>\u76f8\u5bf9\u5c42\u95f4\u8ddd\u6269\u5927\u7684\u6837\u54c1\u5177\u6709\u8f83\u9ad8\u6027\u80fd\u3002<\/p>\n d)PDOS\u5206\u5e03\uff0c\u8fdb\u4e00\u6b65\u8868\u660e\u6700\u7d27\u5bc6\u5806\u53e0\u7684MoS2<\/sub>\u7684HER\u6027\u80fd\u8f83\u9ad8\u3002<\/p>\n e)Bader\u7535\u8377\u5206\u5e03\u5206\u6790\uff0c\u4f50\u8bc1\u4ecec)\u4e2d\u7684\u7ed3\u679c\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u7531\u4ee5\u4e0a\u5185\u5bb9\u53ef\u4ee5\u770b\u51fa\uff0c\u672c\u4f5c\u5b9e\u73b0\u4e86\u7528\u4e00\u79cd\u6e29\u548c\u7684\u624b\u6bb5\u8c03\u63a71T\u76f8MoS2<\/sub>\u591a\u5c42\u7ed3\u6784\u7684\u5c42\u95f4\u8ddd\u5e76\u4e14\u907f\u514d\u4e86MoS2<\/sub>\u7eb3\u7c73\u7247\u7406\u5316\u6027\u8d28\u7684\u660e\u663e\u53d8\u5316\uff0c\u4ece\u800c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5e73\u53f0\u4ee5\u7814\u7a76MoS2<\/sub>\u591a\u5c42\u7ed3\u6784\u7684\u6027\u80fd\u4e0e\u5c42\u95f4\u8ddd\u5173\u7cfb\u3002\u672c\u4f5c\u4ee5MoS2<\/sub>\u7684HER\u6027\u80fd\u4e3a\u4f8b\uff0c\u5f53\u6392\u9664\u4e86\u5e38\u89c1\u7684\u5f71\u54cd\u56e0\u7d20\u4ee5\u540e\uff0c1T\u76f8MoS2<\/sub>\u591a\u5c42\u7ed3\u6784\u7684HER\u6027\u80fd\u53d7\u5230\u5c42\u95f4\u8ddd\u5f71\u54cd\uff0c\u800c\u5c42\u95f4\u8ddd\u7684\u6269\u5927\u4ee4\u4eba\u610f\u5916\u5730\u964d\u4f4e\u4e86\u5176HER\u6027\u80fd\u3002DFT\u7406\u8bba\u5206\u6790\u8868\u660eMoS2<\/sub>\u7eb3\u7c73\u7247\u5c42\u95f4\u7535\u5b50\u76f8\u4e92\u4f5c\u7528\u662f\u9020\u6210\u6b64\u7ed3\u679c\u7684\u4e3b\u8981\u539f\u56e0\u3002\u63a7\u5236\u91cd\u5806\u53e0\u8fc7\u7a0b\u662f\u4e8c\u7ef4\u6750\u6599\u7814\u7a76\u5f53\u4e2d\u7684\u91cd\u4e2d\u4e4b\u91cd\uff0c\u800c\u6b64\u524d\u7684\u7814\u7a76\u91cd\u5fc3\u4e3b\u8981\u5728\u4e8e\u9632\u6b62\u4e8c\u7ef4\u6750\u6599\u7684\u91cd\u5806\u53e0\u3002\u672c\u6587\u7684\u7ed3\u679c\u663e\u793a\u5f53\u8003\u8651\u4e86\u7eb3\u7c73\u7247\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u540e\uff08\u5c42\u95f4\u8ddd\uff0c\u5806\u53e0\u6a21\u5f0f\uff0c\u5806\u53e0\u89d2\u5ea6\u7b49\uff09\uff0c\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\u7d27\u5bc6\u5806\u53e0\u7684\u4e8c\u7ef4\u6750\u6599\u53ef\u80fd\u5bf9\u5176\u603b\u4f53\u6027\u80fd\u6709\u6240\u63d0\u5347\uff0c\u7531\u6b64\u63d0\u793a\u7814\u7a76\u8005\u4eec\u5e94\u5f53\u5bf9\u4e8c\u7ef4\u6750\u6599\u7684\u91cd\u5806\u53e0\u4f5c\u5168\u65b9\u4f4d\u8003\u5bdf\u800c\u975e\u4e00\u5473\u5730\u9632\u6b62\u5806\u53e0\u3002<\/p>\n
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