{"id":254356,"date":"2023-10-08T06:34:23","date_gmt":"2023-10-07T22:34:23","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=254356"},"modified":"2023-10-07T16:34:34","modified_gmt":"2023-10-07T08:34:34","slug":"nature%ef%bc%9a%e7%9b%b8%e4%be%9d%e8%b5%96pt%e5%8e%9f%e5%ad%90%e8%b4%9f%e8%bd%bd%e5%9c%a8mos2%e7%ba%b3%e7%b1%b3%e7%89%87%e7%94%a8%e4%bd%9c%e6%9c%89%e6%95%88%e7%9a%84%e6%9e%90%e6%b0%a2%e5%8f%8d","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=254356","title":{"rendered":"Nature\uff1a\u76f8\u4f9d\u8d56Pt\u539f\u5b50\u8d1f\u8f7d\u5728MoS2\u7eb3\u7c73\u7247\u7528\u4f5c\u6709\u6548\u7684\u6790\u6c22\u53cd\u5e94"},"content":{"rendered":"<p>\u3010\u5bfc\u8bfb\u3011<\/p>\n<p>\u7eb3\u7c73\u79d1\u5b66\u4e0e\u7eb3\u7c73\u6280\u672f\u9886\u57df\u7684\u4e0d\u65ad\u53d1\u5c55\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u4f7f\u6211\u4eec\u80fd\u591f\u7cbe\u786e\u5730\u8bbe\u8ba1\u548c\u5236\u5907\u65b0\u578b\u7eb3\u7c73\u6750\u6599\uff0c\u4ee5\u6ee1\u8db3\u65e5\u76ca\u589e\u957f\u7684\u79d1\u5b66\u548c\u5de5\u7a0b\u9700\u6c42\u3002\u5728\u8fd9\u4e2a\u9886\u57df\u4e2d\uff0c\u4e8c\u7ef4\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u5316\u7269\uff08TMDs\uff09\u4f5c\u4e3a\u4e00\u7c7b\u5177\u6709\u6781\u5927\u6f5c\u529b\u7684\u7eb3\u7c73\u6750\u6599\uff0c\u5f15\u8d77\u4e86\u5e7f\u6cdb\u7684\u5173\u6ce8\u3002TMDs\u662f\u7531\u8fc7\u6e21\u91d1\u5c5e\u5c42\u548c\u786b\u539f\u5b50\u5c42\u4ea4\u66ff\u6392\u5217\u800c\u6210\u7684\u4e8c\u7ef4\u6676\u683c\u7ed3\u6784\uff0c\u62e5\u6709\u51fa\u8272\u7684\u7535\u5b66\u3001\u5149\u5b66\u548c\u529b\u5b66\u6027\u8d28\uff0c\u4f7f\u5176\u5728\u7535\u5b50\u5668\u4ef6\u3001\u80fd\u6e90\u5b58\u50a8\u548c\u50ac\u5316\u9886\u57df\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n<p>\u5728TMDs\u7684\u50ac\u5316\u9886\u57df\uff0c\u7279\u522b\u662f\u5728\u7535\u50ac\u5316\u4e2d\uff0c\u94c2\uff08Pt\uff09\u662f\u4e00\u79cd\u5907\u53d7\u63a8\u5d07\u7684\u50ac\u5316\u5242\u6750\u6599\uff0c\u56e0\u5176\u51fa\u8272\u7684\u7535\u50ac\u5316\u6027\u80fd\u800c\u5907\u53d7\u9752\u7750\u3002\u7136\u800c\uff0c\u4f20\u7edf\u7684\u94c2\u50ac\u5316\u5242\u901a\u5e38\u662f\u4ee5\u94c2\u7eb3\u7c73\u9897\u7c92\u7684\u5f62\u5f0f\u5b58\u5728\u7684\uff0c\u8fd9\u4e9b\u7eb3\u7c73\u9897\u7c92\u5728\u7535\u50ac\u5316\u53cd\u5e94\u4e2d\u8868\u73b0\u51fa\u51fa\u8272\u7684\u50ac\u5316\u6027\u80fd\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u4e0d\u5bb9\u5ffd\u89c6\u7684\u95ee\u9898\uff0c\u5982\u7a33\u5b9a\u6027\u548c\u539f\u6599\u6210\u672c\u3002\u56e0\u6b64\uff0c\u5bfb\u627e\u65b0\u7684\u65b9\u6cd5\u6765\u6539\u5584\u94c2\u50ac\u5316\u5242\u7684\u6027\u80fd\uff0c\u5e76\u964d\u4f4e\u5176\u4f7f\u7528\u6210\u672c\uff0c\u4e00\u76f4\u662f\u7814\u7a76\u4eba\u5458\u5173\u6ce8\u7684\u91cd\u8981\u95ee\u9898\u4e4b\u4e00\u3002<\/p>\n<p>\u8fd1\u5e74\u6765\uff0c\u7814\u7a76\u4eba\u5458\u63d0\u51fa\u4e86\u4e00\u79cd\u6709\u671b\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898\u7684\u65b0\u601d\u8def\uff0c\u5373\u5c06\u94c2\u5355\u539f\u5b50\u5206\u6563\u5728TMD\u6750\u6599\u7684\u8868\u9762\uff0c\u4ee5\u5f62\u6210\u5355\u539f\u5b50\u5206\u6563\u94c2\u50ac\u5316\u5242\u3002\u4e0e\u4f20\u7edf\u7684\u94c2\u7eb3\u7c73\u9897\u7c92\u76f8\u6bd4\uff0c\u5355\u539f\u5b50\u5206\u6563\u94c2\u50ac\u5316\u5242\u5177\u6709\u66f4\u9ad8\u7684\u539f\u5b50\u5229\u7528\u7387\u3001\u66f4\u9ad8\u7684\u50ac\u5316\u6027\u80fd\u548c\u66f4\u4f18\u8d8a\u7684\u7a33\u5b9a\u6027\uff0c\u8fd9\u4f7f\u5b83\u4eec\u6210\u4e3a\u7535\u50ac\u5316\u548c\u5176\u4ed6\u50ac\u5316\u53cd\u5e94\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n<p>\u7136\u800c\uff0c\u8981\u6210\u529f\u5236\u5907\u5355\u539f\u5b50\u5206\u6563\u94c2\u50ac\u5316\u5242\uff0c\u9700\u8981\u89e3\u51b3\u4e00\u7cfb\u5217\u590d\u6742\u7684\u79d1\u5b66\u95ee\u9898\u3002\u5176\u4e2d\u4e4b\u4e00\u662f\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684TMD\u6676\u76f8\u4ee5\u5b9e\u73b0\u5355\u539f\u5b50\u5206\u6563\u94c2\u7684\u6709\u6548\u8d1f\u8f7d\u3002\u4e0d\u540c\u7684TMD\u6676\u76f8\u53ef\u80fd\u4f1a\u5f71\u54cd\u94c2\u7684\u751f\u957f\u65b9\u5f0f\u548c\u539f\u5b50\u5206\u6563\u5ea6\uff0c\u4ece\u800c\u76f4\u63a5\u5f71\u54cd\u50ac\u5316\u6027\u80fd\u3002\u7136\u800c\uff0cTMD\u6676\u76f8\u5982\u4f55\u5f71\u54cd\u6b21\u751f\u6750\u6599\u7684\u751f\u957f\u5c1a\u4e0d\u6e05\u695a\uff0c\u5c24\u5176\u662f\u5bf9\u50ac\u5316\u5242\u5f00\u53d1\u800c\u8a00\u975e\u5e38\u91cd\u8981\u3002\u4ee5Pt\u7eb3\u7c73\u9897\u7c92\u5728\u4e8c\u7ef4MoS<sub>2<\/sub>\u7eb3\u7c73\u7247\u4e0a\u4f5c\u4e3a\u4ea7\u6c22\u53cd\u5e94\u7684\u7535\u50ac\u5316\u5242\u4e3a\u4f8b\uff0c\u4ec5\u6709\u5927\u7ea6\u4e09\u5206\u4e4b\u4e8c\u7684Pt\u7eb3\u7c73\u9897\u7c92\u662f\u5728\u7531\u91d1\u5c5e\/\u534a\u91d1\u5c5e1T\/1T\u2032\u76f8\u7ec4\u6210\u4f46\u6df7\u6709\u70ed\u529b\u5b66\u7a33\u5b9a\u4e14\u7535\u5bfc\u6027\u5dee\u76842H\u76f8\u7684MoS<sub>2<\/sub>\u6a21\u677f\u4e0a\u5916\u5ef6\u751f\u957f\u7684\u3002<\/p>\n<p>\u3010\u6210\u679c\u63a0\u5f71\u3011<\/p>\n<p>\u9274\u4e8e\u6b64\uff0c\u9999\u6e2f\u57ce\u5e02\u5927\u5b66\u5316\u5b66\u7cfb\u5f20\u534e\u6559\u6388\u548c\u4f26\u6566\u5e1d\u56fd\u7406\u5de5\u5b66\u9662\u5316\u5b66\u7cfbAnthony R. J. Kucernak\u6559\u6388\u7b49\u4eba\u8054\u5408\u62a5\u9053\u4e86\u4e8c\u7ef4\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u5316\u7269\uff08TMDs\uff09\u7684\u6676\u76f8\u5bf9\u4e8e\u50ac\u5316\u6750\u6599\u751f\u957f\u7684\u5f71\u54cd\uff0c\u7279\u522b\u5173\u6ce8\u4e86Pt\u7eb3\u7c73\u9897\u7c92\u5728\u7528\u4f5c\u7535\u50ac\u5316\u5242\u7684\u4e8c\u7ef4MoS<sub>2<\/sub>\u7eb3\u7c73\u7247\u4e0a\u7684\u751f\u957f\u8fc7\u7a0b\u3002TMD\u6750\u6599\u5e7f\u6cdb\u7528\u4e8e\u591a\u79cd\u5e94\u7528\uff0c\u5305\u62ec\u7eb3\u7c73\u6750\u6599\u6784\u5efa\u548c\u652f\u6301\u91d1\u5c5e\u50ac\u5316\u5242\u5236\u5907\u3002\u7136\u800c\uff0c\u76ee\u524d\u6211\u4eec\u5bf9TMD\u6676\u76f8\u5982\u4f55\u5f71\u54cd\u6b21\u751f\u6750\u6599\u751f\u957f\u7684\u7406\u89e3\u4ecd\u7136\u6709\u9650\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u50ac\u5316\u5242\u5f00\u53d1\u800c\u8a00\u3002\u672c\u7814\u7a76\u7684\u5173\u952e\u521b\u65b0\u70b9\u5728\u4e8e\u6210\u529f\u5236\u5907\u4e86\u9ad8\u76f8\u7eaf\u5ea6\u76841T\u2032-MoS<sub>2<\/sub>\u4e0a\u7eb3\u7c73\u7247\uff0c\u5e76\u5c55\u793a\u4e862H\u76f8\u6a21\u677f\u4fc3\u8fdb\u4e86\u94c2\u7eb3\u7c73\u9897\u7c92\u7684\u5916\u5ef6\u751f\u957f\uff0c\u800c1T\u2032\u76f8\u5219\u652f\u6301\u4e86\u8d1f\u8f7d\u94c2\u7684\u5355\u539f\u5b50\u5206\u6563\u7ed3\u6784\u3002\u901a\u8fc7\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\uff0c\u6211\u4eec\u8fd8\u53d1\u73b0\u57281T\u2032-MoS<sub>2<\/sub>\u4e0a\uff0c\u8d1f\u8f7d\u7684\u94c2\u539f\u5b50\u5360\u636e\u4e09\u4e2a\u4e0d\u540c\u7684\u4f4d\u7f6e\uff0c\u8fd9\u53ef\u80fd\u6709\u52a9\u4e8e\u5728\u9178\u6027\u4ecb\u8d28\u4e2d\u9ad8\u6548\u7684\u7535\u50ac\u5316\u6c22\u6c14\u6790\u51fa\u53cd\u5e94\u3002\u8fd9\u9879\u7814\u7a76\u7ed3\u679c\u4e3a\u8bbe\u8ba1\u9ad8\u6027\u80fd\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u6709\u4ef7\u503c\u7684\u6d1e\u5bdf\u529b\uff0c\u5e76\u5728\u9178\u6027\u4ecb\u8d28\u4e2d\u53d6\u5f97\u4e86\u5353\u8d8a\u7684\u7535\u50ac\u5316\u6027\u80fd\uff0c\u4e3a\u672a\u6765\u91cd\u8981\u53cd\u5e94\u7684\u50ac\u5316\u5242\u7814\u53d1\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cPhase-dependent growth of Pt on MoS<sub>2<\/sub> for highly efficient H<sub>2 <\/sub>evolution\u201d\u4e3a\u9898\uff0c\u53d1\u8868\u5728\u9876\u7ea7\u671f\u520a\u300aNature\u300b\u4e0a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-254357\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/41.png\" alt=\"\" width=\"1055\" height=\"360\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/41.png 1055w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/41-300x102.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/41-768x262.png 768w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/41-1024x349.png 1024w\" sizes=\"(max-width: 1055px) 100vw, 1055px\" \/><\/p>\n<p>\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/p>\n<p>\u672c\u6587\u7684\u6838\u5fc3\u521b\u65b0\u70b9\u662f\u6210\u529f\u5236\u5907\u4e86\u5355\u539f\u5b50\u5206\u6563\u7684\u94c2\u50ac\u5316\u5242\uff08s-Pt\uff09\u5e76\u5c06\u5176\u8d1f\u8f7d\u5728MoS<sub>2<\/sub>\u7eb3\u7c73\u7247\u4e0a\uff0c\u5b9e\u73b0\u4e86\u5728\u9178\u6027\u4ecb\u8d28\u4e2d\u5177\u6709\u5353\u8d8a\u6027\u80fd\u7684\u6c22\u6c14\u6790\u51fa\u53cd\u5e94\uff08HER\uff09\u50ac\u5316\u6d3b\u6027\uff0c\u540c\u65f6\u4fdd\u6301\u4e86\u957f\u671f\u7684\u7a33\u5b9a\u6027\u548c\u9ad8\u7535\u6d41\u5bc6\u5ea6\u3002<\/p>\n<p>\u3010\u6570\u636e\u6982\u89c8\u3011<\/p>\n<p><strong>\u56fe1. <\/strong><strong>\u5236\u5907\u548c\u8868\u5f81\u5265\u79bb\u76841T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7eb3\u7c73\u7247\u3002a<\/strong><strong>\uff0c\u5236\u59071T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7eb3\u7c73\u7247\u7684\u793a\u610f\u56fe\uff0c\u4eceKxMoS<sub>2<\/sub><\/strong><strong>\u6676\u4f53\u901a\u8fc7\u7535\u5316\u5b66\u63d2\u5c42\uff08\u6b65\u9aa41<\/strong><strong>\uff09\u548c\u968f\u540e\u7684\u5265\u79bb\uff08\u6b65\u9aa42<\/strong><strong>\uff09\u3002b<\/strong><strong>\u3001c<\/strong><strong>\uff0c\u5265\u79bb\u76841T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7eb3\u7c73\u7247\u7684\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08TEM<\/strong><strong>\uff09\u56fe\u50cf\uff08b<\/strong><strong>\uff09\u548c\u539f\u5b50\u529b\u663e\u5fae\u955c\uff08AFM<\/strong><strong>\uff09\u56fe\u50cf\uff08c<\/strong><strong>\uff09\u3002c<\/strong><strong>\uff0c1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7eb3\u7c73\u7247\u7684\u9ad8\u5ea6\u5256\u9762\u548c\u6d4b\u5f97\u7684\u539a\u5ea6\uff08\u63d2\u56fe\uff09\u3002d<\/strong><strong>\uff0c\u901a\u8fc7AFM<\/strong><strong>\u6d4b\u5f97\u76841T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7eb3\u7c73\u7247\u7684\u539a\u5ea6\u5206\u5e03\u76f4\u65b9\u56fe\uff081.4 nm<\/strong><strong>\u662f\u5e73\u5747\u539a\u5ea6\uff0c0.4 nm<\/strong><strong>\u662f\u6807\u51c6\u5dee\uff09\u3002e<\/strong><strong>\uff0c\u5178\u578b1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7eb3\u7c73\u7247\u7684HAADF-STEM<\/strong><strong>\u56fe\u50cf\u3002\u63d2\u56fe\u663e\u793a\u4e86\u76f8\u5e94\u7684\u5feb\u901f\u5085\u7acb\u53f6\u53d8\u6362\u56fe\u6848\u3002f<\/strong><strong>\uff0c\u5265\u79bb\u76841T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7eb3\u7c73\u7247\u548c1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7eb3\u7c73\u7247\u7684XPS<\/strong><strong>\u5149\u8c31\u3002\u5b9e\u9a8cXPS<\/strong><strong>\u6570\u636e\u548c\u76f8\u5e94\u7684\u5206\u89e3\u5149\u8c31\u5206\u522b\u7531\u7a7a\u5fc3\u70b9\u548c\u5b9e\u7ebf\u66f2\u7ebf\u8868\u793a\u3002g<\/strong><strong>\uff0c\u5265\u79bb\u76841T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7eb3\u7c73\u7247\u548c1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7eb3\u7c73\u7247\u7684\u62c9\u66fc\u5149\u8c31\u3002<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-254358\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/42.png\" alt=\"\" width=\"694\" height=\"750\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/42.png 694w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/42-278x300.png 278w\" sizes=\"(max-width: 694px) 100vw, 694px\" \/><\/p>\n<p><strong>\u56fe2. s-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7684\u7ed3\u6784\u8868\u5f81a<\/strong><strong>\uff0cs-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7684TEM<\/strong><strong>\u56fe\u50cf\u3002\u63d2\u56fe\u663e\u793a\u4e86\u76f8\u5e94\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04\uff08SAED<\/strong><strong>\uff09\u56fe\u6848\u3002b<\/strong><strong>\uff0cs-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7684STEM<\/strong><strong>\u56fe\u50cf\u4ee5\u53ca\u76f8\u5e94\u7684EDS<\/strong><strong>\u5143\u7d20\u5206\u5e03\u56fe\u3002c<\/strong><strong>\uff0cs-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7684\u539f\u5b50\u5206\u8fa8\u7387HAADF-STEM<\/strong><strong>\u56fe\u50cf\uff0c\u663e\u793a\u4e86\u5b64\u7acb\u7684Pt<\/strong><strong>\u5355\u539f\u5b50\u5206\u6563\u57281T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7eb3\u7c73\u7247\u4e0a\u3002\u767d\u8272\u865a\u7ebf\u77e9\u5f62\u6846\u5708\u51fa\u4e86\u4e09\u79cd\u5355\u539f\u5b50\u5206\u6563\u7684Pt<\/strong><strong>\uff0c\u5206\u522b\u6807\u8bb0\u4e3aPt<sub>sub<\/sub><\/strong><strong>\u3001P<sub>tads-S<\/sub><\/strong><strong>\u548cP<sub>tads-Mo<\/sub><\/strong><strong>\u3002d-f<\/strong><strong>\uff0c\u6a21\u62df\u7684\u539f\u5b50\u7ed3\u6784\uff08d(i)<\/strong><strong>\u2013f(i)<\/strong><strong>\uff09\uff0c\u76f8\u5e94\u7684\u6a21\u62dfSTEM<\/strong><strong>\u56fe\u50cf\uff08d(ii)<\/strong><strong>\u2013f(ii)<\/strong><strong>\uff09\u4ee5\u53ca\u5f3a\u5ea6\u5256\u9762\uff08d(iii)<\/strong><strong>\u2013f(iii)<\/strong><strong>\uff09Pt<sub>sub<\/sub><\/strong><strong>\uff08d<\/strong><strong>\uff09\uff0cPt<sub>ads-S<\/sub><\/strong><strong>\uff08e<\/strong><strong>\uff09\u548cPt<sub>ads-Mo<\/sub><\/strong><strong>\uff08f<\/strong><strong>\uff09\u3002d(i)<\/strong><strong>\u2013f(i)<\/strong><strong>\u4e2d\u7684\u9ec4\u8272\u3001\u84dd\u8272\u548c\u7ea2\u8272\u5c0f\u7403\u5206\u522b\u8868\u793aS<\/strong><strong>\u3001Mo<\/strong><strong>\u548cPt<\/strong><strong>\u539f\u5b50\u3002d(iii)<\/strong><strong>\u2013f(iii)<\/strong><strong>\u4e2d\u6a21\u62df\u5f3a\u5ea6\u5256\u9762\u7684\u865a\u7ebf\u66f2\u7ebf\u53d6\u81ea\u76f8\u5e94\u7684\u6a21\u62dfSTEM<\/strong><strong>\u56fe\u50cf\uff08d(ii)<\/strong><strong>\u2013f(ii)<\/strong><strong>\uff09\u4e2d\u7684\u76f8\u5e94\u767d\u8272\u865a\u7ebf\u77e9\u5f62\u6846\u4e2d\u3002d(iii)<\/strong><strong>\u2013f(iii)<\/strong><strong>\u4e2d\u7684\u5b9e\u9a8c\u5f3a\u5ea6\u5256\u9762\u7684\u76f4\u65b9\u56fe\u53d6\u81eac<\/strong><strong>\u4e2d\u76f8\u5e94\u7684\u767d\u8272\u865a\u7ebf\u77e9\u5f62\u6846\u4e2d\u3002<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-254359\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/43.png\" alt=\"\" width=\"921\" height=\"672\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/43.png 921w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/43-300x219.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/43-768x560.png 768w\" sizes=\"(max-width: 921px) 100vw, 921px\" \/><\/p>\n<p><strong>\u56fe3. s-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7684\u7535\u5b50\u7ed3\u6784\u8868\u5f81a,b<\/strong><strong>\uff0cs-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7684Pt L<sub>3<\/sub>&#8211;<\/strong><strong>\u8fb9X<\/strong><strong>\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784\uff08XANES<\/strong><strong>\uff09\uff08a<\/strong><strong>\uff09\u548c\u5085\u91cc\u53f6\u53d8\u6362\u7684\u6269\u5c55X<\/strong><strong>\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784\uff08EXAFS<\/strong><strong>\uff09\u5149\u8c31\uff08b<\/strong><strong>\uff09\u3002FT<\/strong><strong>\uff0c\u5085\u91cc\u53f6\u53d8\u6362\u3002c,d<\/strong><strong>\uff0cs-Pt1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u548cPtNPs\/2H-MoS<sub>2<\/sub><\/strong><strong>\u7684Pt 4f<\/strong><strong>\uff08c<\/strong><strong>\uff09\u548cMo 3d XPS<\/strong><strong>\u5149\u8c31\uff08d<\/strong><strong>\uff09\u3002c<\/strong><strong>\u548cd<\/strong><strong>\u4e2d\u7684\u7a7a\u5fc3\u70b9\u548c\u66f2\u7ebf\u663e\u793a\u4e86\u5b9e\u9a8cXPS<\/strong><strong>\u6570\u636e\u548c\u76f8\u5e94\u7684\u5206\u89e3\u5149\u8c31\u3002<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-254360\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/44.png\" alt=\"\" width=\"711\" height=\"604\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/44.png 711w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/44-300x255.png 300w\" sizes=\"(max-width: 711px) 100vw, 711px\" \/><\/p>\n<p><strong>\u56fe4. <\/strong><strong>\u7535\u50ac\u5316\u5236\u6c22\u7684\u6d4b\u91cfa<\/strong><strong>\uff0c\u6f02\u6d6e\u7535\u6781\u8bbe\u7f6e\u7684\u793a\u610f\u56fe\u3002b<\/strong><strong>\uff0cs-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\uff08E1<\/strong><strong>\uff09\u548cHiSPEC 9100 Pt\/C<\/strong><strong>\uff08E2<\/strong><strong>\uff09\u7684HER<\/strong><strong>\u6781\u5316\u66f2\u7ebf\uff0c\u63d2\u56fe\u663e\u793a\u4e86s-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7684\u5faa\u73af\u4f0f\u5b89\u56fe\u3002c<\/strong><strong>\uff0cs-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\uff08E1<\/strong><strong>\uff09\u548cHiSPEC 9100 Pt\/C<\/strong><strong>\uff08E2<\/strong><strong>\uff09\u7684HER<\/strong><strong>\u6781\u5316\u66f2\u7ebf\uff0c\u663e\u793a\u4e86\u8d28\u91cf\u6807\u51c6\u5316\u7535\u6d41\u5bc6\u5ea6\u3002d<\/strong><strong>\uff0cs-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u548cHiSPEC 9100 Pt\/C<\/strong><strong>\u5728\u8fc7\u7535\u4f4d\u4e3a-50 mV<\/strong><strong>\uff08\u03b7 = -50 mV<\/strong><strong>\uff09\u65f6\u7684\u8d28\u91cf\u6d3b\u6027\u4e0e\u5148\u524d\u62a5\u9053\u7684Pt<\/strong><strong>\u57fa\u7535\u50ac\u5316\u5242\u7684\u6bd4\u8f83\u3002d<\/strong><strong>\u4e2ds-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u548cHiSPEC 9100 Pt\/C<\/strong><strong>\u7684\u8bef\u5dee\u68d2\u662f\u4ece\u4e09\u6279\u6d6e\u52a8\u7535\u6781\uff08\u5373s-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7684E1<\/strong><strong>\u3001E3<\/strong><strong>\u548cE5<\/strong><strong>\u4ee5\u53caHiSPEC 9100 Pt\/C<\/strong><strong>\u7684E2<\/strong><strong>\u3001E4<\/strong><strong>\u548cE6<\/strong><strong>\uff09\u4e0a\u7684\u72ec\u7acbHER<\/strong><strong>\u6d4b\u91cf\u4e2d\u83b7\u5f97\u7684\u6807\u51c6\u504f\u5dee\u3002e<\/strong><strong>\uff0cs-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u7684\u8d28\u91cf\u6d3b\u6027\u548c\u76f8\u5e94\u7684\u62df\u5408\u7ed3\u679c\uff0c\u4ee5\u5bf9\u6570\u7535\u6d41\u523b\u5ea6\u7ed8\u5236\u3002\u62df\u5408\u540c\u65f6\u9488\u5bf9s-Pt\/1T<\/strong><strong>\u2032-MoS2<\/strong><strong>\u7684\u4e09\u4e2a\u6d6e\u52a8\u7535\u6781\uff08E1<\/strong><strong>\u3001E3<\/strong><strong>\u548cE5<\/strong><strong>\uff09\u4e0a\u7684\u6570\u636e\u8fdb\u884c\u3002f<\/strong><strong>\uff0cHiSPEC 9100 Pt\/C<\/strong><strong>\u7684\u8d28\u91cf\u6d3b\u6027\u548c\u76f8\u5e94\u7684\u62df\u5408\u7ed3\u679c\uff0c\u4ee5\u5bf9\u6570\u7535\u6d41\u523b\u5ea6\u7ed8\u5236\u3002\u62df\u5408\u540c\u65f6\u9488\u5bf9HiSPEC 9100 Pt\/C<\/strong><strong>\u7684\u4e09\u4e2a\u6d6e\u52a8\u7535\u6781\uff08E2<\/strong><strong>\u3001E4<\/strong><strong>\u548cE6<\/strong><strong>\uff09\u4e0a\u7684\u6570\u636e\u8fdb\u884c\u3002g<\/strong><strong>\uff0cs-Pt\/1T<\/strong><strong>\u2032-MoS<sub>2<\/sub><\/strong><strong>\u548cHiSPEC 9100 Pt\/C<\/strong><strong>\u7684j<sub>0,mass<\/sub><\/strong><strong>\u4e0e\u901a\u8fc7\u4e0d\u540c\u6280\u672f\u6d4b\u91cf\u7684\u5148\u524d\u62a5\u9053\u7684\u7535\u50ac\u5316\u5242\u8fdb\u884c\u6bd4\u8f83\u3002<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-254361\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/45.png\" alt=\"\" width=\"773\" height=\"802\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/45.png 773w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/45-289x300.png 289w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/09\/45-768x797.png 768w\" sizes=\"(max-width: 773px) 100vw, 773px\" \/><\/p>\n<h2 style=\"text-align: center;\">05. \u6210\u679c\u542f\u793a<\/h2>\n<p>\u672c\u7814\u7a76\u63a2\u8ba8\u4e86\u4e8c\u7ef4\u8fc7\u6e21\u91d1\u5c5e\u4e8c\u786b\u5316\u7269\uff08TMDs\uff09\u7684\u6676\u76f8\u5bf9\u4e8e\u50ac\u5316\u6750\u6599\u751f\u957f\u7684\u5f71\u54cd\uff0c\u7279\u522b\u5173\u6ce8\u4e86\u94c2\u7eb3\u7c73\u9897\u7c92\u5728\u7528\u4f5c\u7535\u50ac\u5316\u5242\u7684\u4e8c\u7ef4MoS<sub>2<\/sub>\u7eb3\u7c73\u7247\u4e0a\u7684\u751f\u957f\u8fc7\u7a0b\u3002TMD\u6750\u6599\u5e7f\u6cdb\u7528\u4e8e\u591a\u79cd\u5e94\u7528\uff0c\u5305\u62ec\u7eb3\u7c73\u6750\u6599\u6784\u5efa\u548c\u652f\u6301\u91d1\u5c5e\u50ac\u5316\u5242\u5236\u5907\u3002\u7136\u800c\uff0c\u76ee\u524d\u6211\u4eec\u5bf9TMD\u6676\u76f8\u5982\u4f55\u5f71\u54cd\u6b21\u751f\u6750\u6599\u751f\u957f\u7684\u7406\u89e3\u4ecd\u7136\u6709\u9650\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u50ac\u5316\u5242\u5f00\u53d1\u800c\u8a00\u3002\u672c\u7814\u7a76\u7684\u5173\u952e\u521b\u65b0\u70b9\u5728\u4e8e\u6210\u529f\u5236\u5907\u4e86\u9ad8\u76f8\u7eaf\u5ea6\u76841T\u2032-MoS<sub>2<\/sub>\u7eb3\u7c73\u7247\uff0c\u5e76\u5c55\u793a\u4e862H\u76f8\u6a21\u677f\u4fc3\u8fdb\u4e86\u94c2\u7eb3\u7c73\u9897\u7c92\u7684\u5916\u5ef6\u751f\u957f\uff0c\u800c1T\u2032\u76f8\u5219\u652f\u6301\u4e86\u8d1f\u8f7d\u94c2\u7684\u5355\u539f\u5b50\u5206\u6563\u7ed3\u6784\u3002\u901a\u8fc7\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\uff0c\u6211\u4eec\u8fd8\u53d1\u73b0\u57281T\u2032-MoS<sub>2<\/sub>\u4e0a\uff0c\u8d1f\u8f7d\u7684\u94c2\u539f\u5b50\u5360\u636e\u4e09\u4e2a\u4e0d\u540c\u7684\u4f4d\u7f6e\uff0c\u8fd9\u53ef\u80fd\u6709\u52a9\u4e8e\u5728\u9178\u6027\u4ecb\u8d28\u4e2d\u9ad8\u6548\u7684\u7535\u50ac\u5316\u6c22\u6c14\u6790\u51fa\u53cd\u5e94\u3002\u8fd9\u9879\u7814\u7a76\u7ed3\u679c\u4e3a\u8bbe\u8ba1\u9ad8\u6027\u80fd\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u6709\u4ef7\u503c\u7684\u6d1e\u5bdf\u529b\uff0c\u5e76\u5728\u9178\u6027\u4ecb\u8d28\u4e2d\u53d6\u5f97\u4e86\u5353\u8d8a\u7684\u7535\u50ac\u5316\u6027\u80fd\uff0c\u4e3a\u672a\u6765\u91cd\u8981\u53cd\u5e94\u7684\u50ac\u5316\u5242\u7814\u53d1\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002<\/p>\n<p>\u539f\u6587\u8be6\u60c5\uff1a<\/p>\n<p>Shi, Z., Zhang, X., Lin, X. et al. Phase-dependent growth of Pt on MoS2 for highly efficient H2 evolution. Nature 621, 300\u2013305 (2023). <a href=\"https:\/\/doi.org\/10.1038\/s41586-023-06339-3\">https:\/\/doi.org\/10.1038\/s41586-023-06339-3<\/a>.<\/p>\n<p>\u672c\u6587\u7531Andy\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5bfc\u8bfb\u3011 \u7eb3\u7c73\u79d1\u5b66\u4e0e\u7eb3\u7c73\u6280\u672f\u9886\u57df\u7684\u4e0d\u65ad\u53d1\u5c55\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u4f7f\u6211\u4eec\u80fd\u591f\u7cbe\u786e\u5730\u8bbe\u8ba1\u548c\u5236\u5907\u65b0\u578b\u7eb3\u7c73\u6750\u6599\uff0c\u4ee5\u6ee1\u8db3\u65e5\u76ca\u589e\u957f\u7684\u79d1\u5b66\u548c\u5de5\u7a0b\u9700\u6c42\u3002\u5728\u8fd9\u4e2a\u9886\u57df\u4e2d\uff0c\u4e8c&#8230;<\/p>\n","protected":false},"author":52460,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-254356","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/254356"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/52460"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=254356"}],"version-history":[{"count":3,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/254356\/revisions"}],"predecessor-version":[{"id":254923,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/254356\/revisions\/254923"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=254356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=254356"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=254356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}