{"id":221184,"date":"2021-04-28T06:41:13","date_gmt":"2021-04-27T22:41:13","guid":{"rendered":"\/\/m.iemloyee.com\/?p=221184"},"modified":"2021-04-27T18:42:14","modified_gmt":"2021-04-27T10:42:14","slug":"%e6%b7%b1%e5%a4%a7%e3%80%81%e6%96%b0%e5%8a%a0%e5%9d%a1%e5%9b%bd%e5%a4%a7%e5%8f%8a%e5%8d%97%e6%b4%8b%e7%90%86%e5%b7%a5nat-commun-%ef%bc%9a%e5%8d%95%e5%8e%9f%e5%ad%90te%e7%a9%ba%e4%bd%8d%e7%9a%84","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=221184","title":{"rendered":"\u6df1\u5927\u3001\u65b0\u52a0\u5761\u56fd\u5927\u53ca\u5357\u6d0b\u7406\u5de5Nat. Commun.\uff1a\u5355\u539f\u5b50Te\u7a7a\u4f4d\u7684\u6709\u5e8f\u8c03\u63a7\u63d0\u5347\u539f\u5b50\u7ea7\u8584\u7684PtTe2\u7535\u50ac\u5316\u4ea7\u6c22\u6027\u80fd"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u76ee\u524d\u80fd\u6e90\u9700\u6c42\u589e\u52a0\u3001\u73af\u5883\u6c61\u67d3\u548c\u5730\u7403\u8d44\u6e90\u6709\u9650\u7b49\u5168\u7403\u6027\u6311\u6218\u5a01\u80c1\u7740\u4eba\u7c7b\u7684\u53ef\u6301\u7eed\u53d1\u5c55\u3002\u56e0\u6b64\u5229\u7528\u5148\u8fdb\u7684\u6750\u6599\u548c\u7eff\u8272\u6280\u672f\uff08\u4f8b\u5982\u7535\u50ac\u5316\uff09\u5c06\u53ef\u6301\u7eed\u8d44\u6e90\uff08\u4f8b\u5982H2<\/sub>O\u3001CO2<\/sub>\u3001N2<\/sub>\u548c\u592a\u9633\u80fd\uff09\u8f6c\u5316\u4e3a\u9ad8\u9644\u52a0\u503c\u4ea7\u54c1\uff08\u4f8b\u5982H2<\/sub>\u3001O2<\/sub>\u3001\u78b3\u6c22\u5316\u5408\u7269\u548cNH3<\/sub>\uff09\u6709\u671b\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002\u867d\u7136\u8fc7\u6e21\u91d1\u5c5e\u78f7\u5316\u7269\u7535\u50ac\u5316\u6c34\u5206\u89e3\u4ea7\u751f\u6c22\u6c14\u80fd\u529b\u4e0e\u94c2\uff08Pt\uff09\u6d3b\u6027\u76f8\u5f53\u3002\u7136\u800c\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\u4ecd\u8feb\u5207\u9700\u8981\u8bbe\u8ba1\u548c\u5236\u5907\u9ad8\u6d3b\u6027\u548c\u9ad8\u7a33\u5b9a\u6027\u7684\u7535\u50ac\u5316\u5242\u3002\u5bf9\u539f\u5b50Pt\u4f4d\u70b9\u53ca\u5176\u5c40\u90e8\u7ed3\u6784\u73af\u5883\u7684\u50ac\u5316\u884c\u4e3a\u8fdb\u884c\u89e3\u8bfb\uff0c\u6709\u52a9\u4e8e\u63d0\u9ad8\u50ac\u5316\u6027\u80fd\u3002\u591a\u79cd\u7b56\u7565\u53ef\u4ee5\u7528\u6765\u786e\u5b9a\u5f71\u54cd\u7535\u5316\u5b66\u53cd\u5e94\u8fc7\u7a0b\u4e2dPt\u4f4d\u70b9\u50ac\u5316\u884c\u4e3a\u7684\u51b3\u5b9a\u6027\u56e0\u7d20\u3002\u66b4\u9732\u4e0d\u534f\u8c03\u7684Pt\u4f4d\uff0c\u4f18\u5316\u53cd\u5e94\u4e2d\u95f4\u4f53\uff08\u4f8b\u5982H*\u3001O*\u3001OH*\u548cOOH*\uff09\u5bf9Pt\u4f4d\u7684\u5438\u9644\u80fd\u591f\u5927\u5e45\u63d0\u9ad8\u7535\u50ac\u5316\u6d3b\u6027\u3002\u9178\u8680\u7684Pt-Ni\u5408\u91d1\u4e5f\u53ef\u4ee5\u63d0\u4f9b\u8db3\u591f\u7684\u548c\u53ef\u63a5\u8fd1\u7684Pt\u4f4d\uff0c\u5e76\u4e14\u7535\u5b50\u6548\u5e94\u548c\u5e94\u53d8\u6548\u5e94\u6709\u52a9\u4e8e\u524a\u5f31Pt\u90e8\u4f4d\u4e0e\u6c27\u5316\u7269\u79cd\u7684\u7ed3\u5408\u5f3a\u5ea6\uff0c\u4ece\u800c\u63d0\u9ad8ORR\u6d3b\u6027\u3002\u5c3d\u7ba1\u5df2\u7ecf\u53d6\u5f97\u4e86\u5f88\u5927\u7684\u8fdb\u6b65\uff0c\u4f46\u662f\u540c\u65f6\u5b9e\u73b0\u4e0d\u534f\u8c03\u7684Pt\u4f4d\u7684\u786e\u5b9a\u548c\u7a33\u5b9a\u5316\uff0c\u4ee5\u53ca\u4f18\u5316\u539f\u5b50\u7ea7Pt\u4f4d\u7684\u7535\u5b50\u7ed3\u6784\u3001\u5438\u9644\u80fd\u548c\u50ac\u5316\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\u4ecd\u7136\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u6311\u6218\uff0c\u56e0\u4e3a\u7cbe\u786e\u539f\u5b50\u7ea7Pt\u4f4d\u70b9\u79cd\u7c7b\u662f\u975e\u5e38\u56f0\u96be\u7684\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u4e2d\u56fd\u6df1\u5733\u5927\u5b66\u82cf\u9648\u826f\u6559\u6388\u3001\u65b0\u52a0\u5761\u56fd\u7acb\u5927\u5b66<\/strong>Jiong Lu<\/strong>\u6559\u6388\u4ee5\u53ca\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u5927\u5b66<\/strong> Bin Liu<\/strong>\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u5236\u5907\u4e86\u4e8c\u7ef4\u539f\u5b50\u7ea7PtTe2<\/sub>\u8584\u7eb3\u7c73\u7247\uff0c\u5176\u5177\u6709\u5206\u6563\u7684\u5355\u539f\u5b50Te\u7a7a\u4f4d\uff08Te-SAVs\uff09\u548c\u539f\u5b50\u7ea7\u914d\u4f4d\u4e0d\u8db3\u7684Pt\u4f4d\u4f5c\u4e3a\u7535\u50ac\u5316\u5242\u3002\u53d7\u70ed\u5904\u7406\u9a71\u52a8\u7684Te-SAVs\u8fc1\u79fb\uff0c\u4ee5\u5f62\u6210\u70ed\u529b\u5b66\u7a33\u5b9a\u7684\u6709\u5e8fTe-SAV\u7c07\uff0c\u65e2\u964d\u4f4e\u4e86\u8d39\u7c73\u80fd\u7ea7\u9644\u8fd1\u672a\u914d\u4f4d\u7684Pt\u4f4d\u70b9\u7684\u6001\u5bc6\u5ea6\uff0c\u53c8\u964d\u4f4e\u4e86Pt\u4f4d\u70b9\u7684\u76f8\u4e92\u4f5c\u7528\u8f68\u9053\u533a\u57df\u3002\u6709\u6548\u5730\u964d\u4f4e\u4e86\u539f\u5b50\u7ea7Pt\u6d3b\u6027\u4f4d\u70b9\u4e0eH\u4e2d\u95f4\u4f53\u7684\u7ed3\u5408\u5f3a\u5ea6\uff0c\u8fd9\u4f7f\u5f97PtTe2<\/sub>\u7eb3\u7c73\u7247\u5728\u7535\u50ac\u5316\u6790\u6c22\u53cd\u5e94\u4e2d\u5177\u6709\u5f88\u9ad8\u7684\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201c<\/strong>Ordered clustering of single atomic Te vacancies in atomically thin PtTe2<\/sub> promotes hydrogen evolution catalysis<\/strong>\u201d\u53d1\u8868\u5728Nature Communications<\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe<\/strong> 1 PtTe2<\/sub> NSs<\/strong>\u7684\u5236\u5907\u548c\u8868\u5f81<\/strong><\/p>\n \uff08a\uff09\u4e0d\u540c\u7a7a\u4f4d\u7ed3\u6784\u7684\u539f\u5b50\u7ea7PtTe2<\/sub> NS\u8584\u7247\u7684\u5236\u5907\u793a\u610f\u56fe\uff1b<\/p>\n \uff08b\uff09\u6beb\u7c73\u7ea7PtTe2<\/sub>\u6676\u4f53\u7684\u6570\u7801\u7167\u7247\uff1b<\/p>\n \uff08c\uff09\u5757\u72b6PtTe2<\/sub>\u6676\u4f53\u548c\u5265\u79bb\u7684PtTe2<\/sub> NS\u7684XRD\u56fe\u8c31\uff1b<\/p>\n \uff08d\uff09\u539f\u5b50\u7ea7PtTe2<\/sub> NSs\u8584\u7247\u7684AFM\u56fe\u50cf\uff1b<\/p>\n \uff08e\uff09\u5c11\u5c42PtTe2<\/sub> NS\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n \uff08f\uff09\u591a\u5c42PtTe2<\/sub> NS\u7684\u9ad8\u5206\u8fa8\u7387HAADF-STEM\u56fe\u50cf\u4ee5\u53ca\u76f8\u5e94\u7ed3\u6784\u6a21\u578b\uff1b<\/p>\n \uff08g\uff09\u5265\u79bb\u7684PtTe2<\/sub> NS\u7684HAADF-STEM\u56fe\u50cf\u53ca\u76f8\u5e94\u5143\u7d20\u6620\u5c04\u56fe\u50cf\u3002<\/p>\n \u56fe<\/strong> 2 <\/strong>\u70ed\u5904\u7406\u5f15\u8d77<\/strong>PtSe2<\/sub><\/strong>\u4e2d<\/strong>Te-SAC<\/strong>\u7684\u8fc1\u79fb<\/strong><\/p>\n \uff08a\uff09\u5728VS<\/sub> = -2.0 V\u548cI<\/em> = 30 pA\u4e0b\uff0cPtTe2<\/sub>\u8584\u7247\u7684\u4f4e\u500dSTM\u56fe\u50cf\uff1b<\/p>\n \uff08b\uff09PtTe2<\/sub>\u8584\u7247\u8868\u9762\u4e0a\u7684\u4e09\u4e2a\u5355\u72ecTe-SAV\u7684STM\u56fe\u50cf\u53ca\u5176\u7ed3\u6784\u6a21\u578b\uff1b<\/p>\n \uff08c\uff09\u70ed\u5904\u7406\u524d\uff0cPtTe2<\/sub>\u8584\u7247\u4e2d\u76f8\u90bbTe-SAV\u7684\u7edf\u8ba1\u8ddd\u79bb\u56fe\uff1b<\/p>\n \uff08d\uff09\u70ed\u5904\u7406\u540e\uff0cPtTe2<\/sub>\u8584\u7247\u7684\u4f4e\u500dSTM\u56fe\u50cf\uff1b<\/p>\n \uff08e\uff09\u70ed\u5904\u7406\u540e\uff0cPtTe2<\/sub>\u8584\u7247\u8868\u9762\u4e0a\u6709\u5e8f\u7684\u4e09\u89d2\u5f62Te-SAV\u7c07\u7684STM\u56fe\u50cf\u53ca\u5176\u7ed3\u6784\u6a21\u578b\uff1b<\/p>\n \uff08f\uff09\u70ed\u5904\u7406\u540e\uff0cPtTe2<\/sub>\u8584\u7247\u4e2d\u76f8\u90bbTe-SAVs\u7684\u7edf\u8ba1\u8ddd\u79bb\u56fe\uff1b<\/p>\n \uff08g\uff09\u4ece\u5ba4\u6e29-600\u2103\u7684\u6c26\u6c14\u4e2d\uff0cPtTe2<\/sub> NS\u7684\u539f\u4f4dPt L3\u8fb9\u7f18XANES\u5149\u8c31\u7684\u53e0\u52a0\u56fe\uff08\u5de6\uff09\uff0c\u4ee5\u53ca\u539f\u4f4dPt L3\u8fb9\u7f18XANES\u5149\u8c31\u7684\u76f8\u5e942D\u7b49\u9ad8\u7ebf\u56fe\uff08\u53f3\uff09\uff1b<\/p>\n \uff08h\uff09PtTe2<\/sub> NSs\u3001PtTe2<\/sub>-600 NSs\u548cPt\u7b94\u7684\u5f52\u4e00\u5316Pt L3-edge XANES\u5149\u8c31\uff1b<\/p>\n \uff08i\uff09\u5bf9PtTe2<\/sub> NS\u3001PtTe2<\/sub>-600 NS\u548cPt\u7b94\u7684\u5085\u7acb\u53f6\u53d8\u6362\u7684k3\u52a0\u6743EXAFS\u5149\u8c31\u3002<\/p>\n \u56fe<\/strong> 3 HER<\/strong>\u6027\u80fd<\/strong><\/p>\n \uff08a\uff09\u5757\u4f53PtTe2<\/sub>\u6676\u4f53\u3001PtTe2<\/sub> NSs\u3001PtTe2<\/sub>-200 NSs\u3001PtTe2<\/sub>-400 NSs\u3001PtTe2<\/sub>-600 NSs\u548cPt\/C\u7684LSV\u66f2\u7ebf\u56fe\uff1b<\/p>\n \uff08b\uff09\u4e3a\uff08a\uff09\u4e2d\u66f2\u7ebf\u5bf9\u5e94\u7684\u5854\u83f2\u5c14\u56fe\uff1b<\/p>\n \uff08c\uff0910 mA cm-2<\/sup>\u7684\u8fc7\u7535\u52bf\u548cJ0<\/sub> ECSA<\/sub>\u7684\u6bd4\u8f83\u56fe\uff1b<\/p>\n \uff08d\uff09PtTe2<\/sub> NSs\u3001PtTe2<\/sub>-200 NSs\u3001PtTe2<\/sub>-400 NSs\u548cPtTe2<\/sub>-600 NSs\u7684\u7535\u52bf-TOF\u66f2\u7ebf\uff1b<\/p>\n \uff08e\uff09PtTe2<\/sub>-600 NSs\u4e0e\u5df2\u62a5\u9053\u7684\u8d35\u91d1\u5c5e\u57faHER\u50ac\u5316\u5242\u57281.0 M KOH\u4e2d\u5177\u6709\u9ad8\u6d3b\u6027\u7684\u6027\u80fd\u6bd4\u8f83\u56fe\uff1b<\/p>\n \uff08f\uff09\u5728100 mV\u7684\u8fc7\u7535\u4f4d\u4e0b\uff0c\u6d4b\u5f97\u7684EIS\u56fe\uff1b<\/p>\n \uff08g\uff09\u5728\u5927\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0cPtTe2<\/sub>-600 NSs\u548cPt\/C\u7684LSV\u66f2\u7ebf\u6bd4\u8f83\u56fe\uff1b<\/p>\n \uff08h\uff09\u572820000\u5708\u52a0\u901fCV\u6d4b\u8bd5\u524d\u548c\u540e\uff0cPtTe2<\/sub>-600 NSs\u548cPt\/C\u7684LSV\u66f2\u7ebf\u56fe\uff1b<\/p>\n \uff08i\uff09\u5728200 mA cm-2<\/sup>\u4e0b\uff0c\u8ba1\u65f6\u7535\u4f4d\u6cd5\u6d4b\u91cf24 h\u7684V-t\u66f2\u7ebf\u56fe\u3002<\/p>\n \u56fe<\/strong> 4 <\/strong>H<\/strong>\u7684\u7535\u5b50\u7ed3\u6784\u548c\u7ed3\u5408\u5f3a\u5ea6<\/strong><\/p>\n \uff08a\uff09\u53cc\u5c42PtTe2<\/sub>-3Te\u3001PtTe2<\/sub>-2Te\u3001PtTe2<\/sub>-1Te\u548cPtTe2<\/sub>-0Te\u7ed3\u6784\u7684\u5f62\u6210\u80fd\uff1b<\/p>\n \uff08b\uff09\u8ba1\u7b97\u7684PtTe2<\/sub>\u4e2d\u4e0d\u540c\u914d\u4f4d\u7684Pt\u4f4d\u7684\u6c22\u5438\u9644\u81ea\u7531\u80fd\uff1b<\/p>\n \uff08c\uff09\u6c22\u5438\u9644\u81ea\u7531\u80fd\u5bf9\u5404\u79cdPtTe2<\/sub>\u7ed3\u6784\u4e2dPt\u4f4d\u70b9\u7684\u8d39\u7c73\u67d4\u8f6f\u5ea6\u7684\u4f9d\u8d56\u6027\uff1b<\/p>\n \uff08d\uff09PtTe2<\/sub>-3Te\u3001PtTe2<\/sub>-2Te\u548cPtTe2<\/sub>-1Te\u7ed3\u6784\u4e2dPt\u4f4d\u70b9\u7684DOS\u66f2\u7ebf\uff1b<\/p>\n \uff08e\uff09\u76f8\u5e94\u7684\u90e8\u5206\u5dee\u5206\u7535\u8377\u56fe\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u672c\u6587\u5f00\u53d1\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u5265\u843d\u6280\u672f\uff0c\u7ed3\u5408\u70ed\u9000\u706b\u65b9\u6cd5\uff0c\u4ee5\u8bbe\u8ba1\u539f\u5b50\u7ea7PtTe2<\/sub> NSs\u8584\u7247\u4e2d\u7684\u7f3a\u9677\u4f5c\u4e3a\u50ac\u5316\u5242\uff0c\u660e\u786e\u539f\u5b50\u7ea7Pt\u4f4d\u70b9\u7684\u7535\u5b50\u7ed3\u6784\u3001\u5438\u9644\u80fd\u548c\u6c22\u6790\u51fa\u6d3b\u6027\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u3002\u8131\u843d\u7684PtTe2<\/sub> NS\u4e2d\u7684Te-SAVs\u5728\u70ed\u5904\u7406\u8fc7\u7a0b\u4e2d\u8fc1\u79fb\u5f62\u6210\u6709\u5e8f\u7684\u4e09\u89d2\u5f62Te-SAV\u7c07\uff0c\u4ece\u800c\u6709\u6548\u964d\u4f4e\u4e86\u6c22\u7684\u5438\u9644\u80fd\u5e76\u4fc3\u8fdb\u4e86HER\u7684\u52a8\u529b\u5b66\u3002\u53e6\u5916\uff0c\u5f97\u76ca\u4e8e\u66b4\u9732\u7684\u539f\u5b50\u7ea7PtTe2<\/sub>\u8584\u4e2dPt\u914d\u4f4d\u4e0d\u8db3\u7684\u4f4d\u70b9\uff0c\u4e0e\u5546\u7528Pt\/C\u50ac\u5316\u5242\u76f8\u6bd4\uff0c\u6240\u5f97\u50ac\u5316\u5242\u8868\u73b0\u51fa\u4f18\u5f02\u7684HER\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002\u672c\u6587\u63d0\u4f9b\u4e86\u4e00\u79cd\u539f\u5b50\u7f3a\u9677\u7684\u805a\u96c6\u5de5\u7a0b\u6765\u8bbe\u8ba1\u51e0\u4f55\u5f62\u72b6\u4ee5\u53ca\u660e\u786e\u5b9a\u4e49\u7684\u6d3b\u6027\u4f4d\u70b9\u7684\u7b56\u7565\uff0c\u4f7f\u4eba\u4eec\u80fd\u591f\u4e86\u89e3\u50ac\u5316\u4e2d\u5fc3\u7684\u7535\u5b50\u7ed3\u6784\u4e0e\u50ac\u5316\u6027\u80fd\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u3002<\/p>\n<\/p>\n
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