{"id":221746,"date":"2021-05-10T06:12:30","date_gmt":"2021-05-09T22:12:30","guid":{"rendered":"\/\/m.iemloyee.com\/?p=221746"},"modified":"2021-05-09T19:12:56","modified_gmt":"2021-05-09T11:12:56","slug":"%e5%8d%97%e6%b4%8b%e7%90%86%e5%b7%a5%e5%a4%a7%e5%ad%a6%e6%a5%bc%e9%9b%84%e6%96%87sci-adv-%e7%ba%b3%e7%b1%b3%e5%b0%ba%e5%ba%a6cu-mof%e8%a1%a8%e9%9d%a2%e6%9a%b4%e9%9c%b2%e9%85%8d%e4%bd%8d%e4%b8%8d","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=221746","title":{"rendered":"\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u697c\u96c4\u6587Sci. Adv.:\u7eb3\u7c73\u5c3a\u5ea6Cu-MOF\u8868\u9762\u66b4\u9732\u914d\u4f4d\u4e0d\u9971\u548c\u7684Cu1-O2\u4f4d\u70b9\u4ee5\u6709\u6548\u5730\u7535\u50ac\u5316\u5236\u6c22"},"content":{"rendered":"

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

\u7535\u5316\u5b66\u6c34\u89e3\u5236\u6c22\u5df2\u88ab\u8ba4\u4e3a\u662f\u6709\u671b\u89e3\u51b3\u5168\u7403\u80fd\u6e90\u548c\u73af\u5883\u95ee\u9898\u7684\u4e00\u4e2a\u6709\u6548\u9014\u5f84\u3002\u76ee\u524d\u5de5\u4e1a\u5236\u6c22\u4e3b\u8981\u662f\u57fa\u4e8e\u78b1\u6027\u7535\u89e3\u69fd\u901a\u8fc7\u7535\u9a71\u52a8\u6c34\u89e3\u5b9e\u73b0\u3002\u7531\u4e8e\u6c34\u5206\u5b50H-O\u952e\u7684\u6d3b\u5316\u80fd\u5792\u8f83\u9ad8\uff0c\u56e0\u6b64\u78b1\u6027\u6761\u4ef6\u4e0b\u6790\u6c22\u53cd\u5e94\uff08HER\uff09\u52a8\u529b\u5b66\u76f8\u5f53\u8fdf\u7f13\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0c\u94c2\uff08Pt\uff09\u57fa\u6750\u6599\u5df2\u88ab\u8ba4\u4e3a\u662f\u5546\u4e1a\u7535\u89e3\u69fd\u4e2d\u6700\u5177\u50ac\u5316\u6d3b\u6027\u7684\u6790\u6c22\u50ac\u5316\u5242\uff0c\u7136\u800c\u5b83\u4eec\u7684\u7a00\u7f3a\u6027\u548c\u6602\u8d35\u7684\u4ef7\u683c\u963b\u788d\u4e86\u5de5\u4e1a\u7535\u89e3\u69fd\u5236\u6c22\u7684\u89c4\u6a21\u5316\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u8feb\u5207\u9700\u8981\u5bfb\u627e\u4e00\u79cd\u9ad8\u6d3b\u6027\uff0c\u9ad8\u7a33\u5b9a\u6027\u4e14\u5730\u7403\u50a8\u91cf\u4e30\u5bcc\u7684\u6750\u6599\u4f5c\u4e3aPt\u57fa\u50ac\u5316\u5242\u7684\u66ff\u4ee3\u54c1\uff0c\u4fc3\u8fdb\u78b1\u6027\u6761\u4ef6\u4e0b\u9ad8\u6548\u5730\u7535\u89e3\u6c34\u4ea7\u6c22\u3002<\/p>\n

\u5bfc\u7535\u91d1\u5c5e\u6709\u673a\u9aa8\u67b6\uff08MOF\uff09\u6750\u6599\u5177\u6709\u9ad8\u5ea6\u5206\u6563\u7684\u5e73\u9762\u91d1\u5c5e\u7ed3\u70b9\u548c\u72ec\u7279\u7684\u4e8c\u7ef4\u03c0\u5171\u8f6d\u7ed3\u6784\uff0c\u662f\u4e00\u79cd\u6f5c\u5728\u7684\u3001\u5f88\u6709\u524d\u9014\u7684\u7535\u50ac\u5316\u5242\uff0c\u5728\u7535\u89e3\u6c34\u5236\u6c22\uff0c\u7535\u5316\u5b66\u6790\u6c27\u548c\u6c27\u8fd8\u539f\uff0c\u7535\u80fd\u5b58\u50a8\u7b49\u9886\u57df\u6709\u5e7f\u6cdb\u5e94\u7528\u524d\u666f\u3002\u7136\u800c\u7531\u4e8e\u5757\u4f53\u5bfc\u7535MOF\u6750\u6599\u5927\u90e8\u5206\u7684\u91d1\u5c5e\u8282\u70b9\u90fd\u5904\u4e8e\u914d\u4f4d\u9971\u548c\u72b6\u6001\uff0c\u66b4\u9732\u5728\u8868\u9762\u7684\u6d3b\u6027\u4f4d\u70b9\u6570\u91cf\u6781\u5c11\uff0c\u56e0\u6b64\u5757\u4f53\u5bfc\u7535MOF\u6750\u6599\u7684\u6c27\u5316\u8fd8\u539f\u80fd\u529b\u548cHER\u50ac\u5316\u6d3b\u6027\u90fd\u4e0d\u9ad8\u3002\u8d85\u8584\u5bfc\u7535MOF\u7eb3\u7c73\u7247\u5177\u6709\u5927\u91cf\u8868\u9762\u6d3b\u6027\u4f4d\u70b9\uff0c\u4f46\u5b83\u4eec\u901a\u5e38\u9700\u8981\u7ecf\u8fc7\u7cbe\u786e\u63a7\u5236\u6db2-\u6db2\u6216\u6c14-\u6db2\u53cd\u5e94\u8fc7\u7a0b\u624d\u80fd\u5b9e\u73b0\uff0c\u5236\u5907\u8fc7\u7a0b\u975e\u5e38\u5177\u6709\u6311\u6218\u6027\u4e14\u603b\u4f53\u4ea7\u91cf\u8f83\u4f4e\u3002\u6b64\u5916\uff0c\u5728\u5de5\u4f5c\u8fc7\u7a0b\u4e2d\uff0c\u5bfc\u7535MOF\u8d85\u8584\u7eb3\u7c73\u7247\u7ec4\u88c5\u7684\u7535\u6781\u4f1a\u53d7\u524d\u9a71\u7269\u6216\u4ea7\u7269\u6c14\u6ce1\u6e17\u900f\u7684\u5f71\u54cd\uff0c\u5bfc\u81f4\u7535\u6781\u8868\u9762\u50ac\u5316\u5242\u7684\u8131\u843d\uff0c\u9020\u6210\u7535\u6781\u7684\u4e0d\u7a33\u5b9a\u3002\u4e3a\u4e86\u514b\u670d\u8fd9\u4e9b\u95ee\u9898\uff0c\u628a\u5177\u6709\u9ad8\u5ea6\u66b4\u9732\u6d3b\u6027\u91d1\u5c5e\u4e2d\u5fc3\u7684\u5bfc\u7535MOF\u8d85\u8584\u5c42\u951a\u56fa\u5728\u5177\u6709\u7279\u5b9a\u7ed3\u6784\u7684\u652f\u67b6\u4e0a\u5c06\u662f\u4e00\u79cd\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002\u8fd1\u6765\uff0c\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u6216\u6c22\u6c27\u5316\u7269\u4e2d\u7a7a\u7eb3\u7c73\u7ed3\u6784\u5177\u6709\u5927\u7684\u6bd4\u8868\u9762\u79ef\u548c\u9ad8\u7684\u7ed3\u6784\u7a33\u56fa\u7279\u6027\uff0c\u975e\u5e38\u9002\u5408\u8868\u9762\u6d3b\u6027\u4f4d\u70b9\u7684\u951a\u5b9a\uff0c\u662f\u4e00\u4e2a\u5f88\u6709\u7528\u7684\u7ed3\u6784\u652f\u67b6\u3002\u56e0\u6b64\uff0c\u5408\u7406\u8bbe\u8ba1\u7531\u8d85\u8584MOF\u5916\u8868\u5c42\u548c\u575a\u56fa\u7684\u8fc7\u6e21\u91d1\u5c5e\u6c22\u6c27\u5316\u7269\u5185\u58f3\u7ec4\u6210\u7684\u4e2d\u7a7a\u7eb3\u7c73\u7ed3\u6784\uff0c\u5c06\u6709\u76ca\u4e8e\u63d0\u9ad8\u5bfc\u7535MOF\u6750\u6599\u7684\u672c\u5f81\u7535\u50ac\u5316\u6d3b\u6027\u548c\u7ed3\u6784\u7a33\u5b9a\u6027\uff0c\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u7535\u5316\u5b66\u4ea7\u6c22\u3002<\/p>\n

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

\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u697c\u96c4\u6587<\/b><\/strong>\u6559\u6388\u56e2\u961f<\/b><\/strong>\u62a5\u9053\u4e86\u6c22\u6c27\u5316\u94c1[Fe(OH)x]\u7eb3\u7c73\u76d2[NBs]\u8868\u9762\u5305\u8986\u5bfc\u7535\u94dc\u57faMOF\u8d85\u8584\u5c42\uff08Cu-MOF\uff09\u50ac\u5316\u5242\u7684\u7cbe\u7ec6\u8bbe\u8ba1\u548c\u5408\u6210\u3002Fe(OH)x@Cu-MOF\u91c7\u7528\u6eb6\u5242\u70ed\u53cd\u5e94\u7ed3\u5408\u540e\u671f\u7684\u6c27\u5316\u8fd8\u539f\u8680\u523b\u7b56\u7565\u5236\u5907\u5408\u6210\u3002X\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784\uff08XAFS\uff09\u8c31\u548cX\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\uff08XPS\uff09\u5206\u6790\u663e\u793a\uff0c\u5728Fe(OH)x@Cu-MOF NB\u4e2d\u5b58\u5728\u5927\u91cf\u914d\u4f4d\u4e0d\u9971\u548c\u7684Cu1<\/sub>-O2<\/sub>\u4e2d\u5fc3\u3002\u51ed\u501f\u9ad8\u5ea6\u66b4\u9732\u7684\u6d3b\u6027Cu\u4e2d\u5fc3\u548c\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u6750\u6599\u7ed3\u6784\uff0c\u6240\u5408\u6210\u7684Fe(OH)x@Cu-MOF NB\u5728\u78b1\u6027\u6eb6\u6db2\u4e2d\u8868\u73b0\u51fa\u4f18\u5f02\u7684HER\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\uff0c10 mA\/cm\u7535\u6d41\u5bc6\u5ea6\u5bf9\u5e94\u7684\u8fc7\u7535\u52bf\u53ea\u6709112 mV\uff0c\u76f8\u5e94\u7684Tafel\u659c\u7387\u4e3a76 mV\/dec\uff0c\u662f\u8fc4\u4eca\u4e3a\u6b62\u62a5\u9053\u7684\u6700\u597d\u7684MOF\u57faHER\u7535\u50ac\u5316\u5242\u4e4b\u4e00\u3002\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\u8868\u660e\uff0cCu-MOF\u5c42\u4e2d\u914d\u4f4d\u4e0d\u9971\u548cCu1-O2\u4e2d\u5fc3\u7684\u5c40\u90e8\u7535\u5b50\u6781\u5316\u6709\u52a9\u4e8e\u4fc3\u8fdb*H\u53cd\u5e94\u4e2d\u95f4\u4f53\u7684\u5f62\u6210\uff0c\u4ece\u800c\u663e\u8457\u52a0\u901f\u4e86HER\u52a8\u529b\u5b66\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201c<\/strong>Exposing unsaturated Cu<\/strong>1<\/sub><\/strong>-O<\/strong>2<\/sub><\/strong>\u00a0sites in nanoscale Cu-MOF for efficient electrocatalytic hydrogen evolution<\/strong>\u201d<\/strong>\u53d1\u8868\u5728Sci. Adv.<\/b><\/strong>\u4e0a<\/strong>\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n

\u56fe<\/b><\/strong>1.<\/b><\/strong>Fe<\/b><\/strong>(<\/b><\/strong>OH<\/b><\/strong>)<\/b><\/strong>x<\/b><\/sub><\/em><\/strong>@Cu-MOF NB\u5408\u6210\u793a\u610f\u56fe<\/b><\/strong><\/p>\n

\"\"<\/p>\n

\u56fe2. Fe<\/b><\/strong>(<\/b><\/strong>OH<\/b><\/strong>)<\/b><\/strong>x@Cu-MOF NB<\/b><\/strong>\u5f62\u6001\u548c\u7ed3\u6784\u8868\u5f81<\/b><\/strong><\/p>\n

\"\"<\/p>\n

\uff08A\uff0cB\uff09Cu2<\/sub>O@Cu-MOF\u7eb3\u7c73\u7acb\u65b9\u5757\u7684FESEM\u56fe\u50cf\uff0c\uff08C\uff0cD\uff09Cu2O@Cu-MOF\u7eb3\u7c73\u7acb\u65b9\u5757\u7684TEM\u56fe\u50cf\uff0c\uff08E\uff0cF\uff09Fe(OH)x<\/sub><\/em>@Cu-MOF NBs\u7684FESEM\u56fe\u50cf\uff0c\uff08G\uff0cH\uff09Fe(OH)x<\/sub><\/em>@Cu-MOF NBs\u7684TEM\u56fe\u50cf\uff0c\uff08I\uff09Fe(OH)x@Cu-MOF NBs\u7684HAADF-STEM\u56fe\u50cf\u548c\u76f8\u5e94\u7684\u5143\u7d20\u5206\u5e03\u56fe\u50cf\u3002<\/p>\n

\u56fe<\/strong>3. <\/b><\/strong>Fe<\/b><\/strong>(<\/b><\/strong>OH<\/b><\/strong>)<\/b><\/strong>x@Cu-MOF NB<\/b><\/strong>\u00a0<\/b><\/strong>XAFS\u548cXPS\u8868\u5f81<\/b><\/strong><\/p>\n

\"\"<\/p>\n

\uff08A\uff0cB\uff09Cu K \u8fb9 XAFS\u66f2\u7ebf\u548c\u76f8\u5e94\u7684\u5085\u91cc\u53f6\u53d8\u6362\u66f2\u7ebf\uff0c\uff08C\uff0cD\uff09Cu 2p \u548c Fe 2p XPS\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/b><\/strong>4. <\/b><\/strong>\u7535\u50ac\u5316\u6027\u80fd<\/b><\/strong><\/p>\n

\"\"<\/p>\n

\uff08A\uff0cB\uff09Pt\/C\uff0cFe(OH)x NB\uff0cCu-MOF NP\uff0cFe(OH)x+Cu-MOF\u548cFe(OH)x@Cu-MOF NB\u7684LSV\u66f2\u7ebf\u53ca\u76f8\u5e94\u7684Tafel\u66f2\u7ebf\uff0c\uff08C\uff09Cu-MOF NP\uff0cFe(OH)x+Cu-MOF\u548cFe(OH)x@Cu-MOF NB\u7684\u8868\u9762\u7535\u5bb9\u7ed3\u679c\uff0c\uff08D\uff09Fe(OH)x<\/sub><\/em>@Cu-MOF NBs\u548cPt\/C\u50ac\u5316\u5242\u7684I-t\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/b><\/strong>5<\/b><\/strong>.<\/b><\/strong>\u00a0<\/b><\/strong>DFT\u6a21\u62df<\/b><\/strong><\/p>\n

\"\"<\/p>\n

\uff08A\uff09\u914d\u4f4d\u4e0d\u9971\u548cCu-MOF [Cu3(HHTP)2]\u7684\u6676\u4f53\u7ed3\u6784\u53ca\u76f8\u5e94\u7684Cu1-O4\u548cCu1-O2\u4f4d\u70b9\u7684\u5dee\u5206\u7535\u8377\u5bc6\u5ea6\u56fe\uff0c\uff08B\uff0cC\uff09\u914d\u4f4d\u9971\u548cCu-MOF\u548c\u90e8\u5206\u914d\u4f4d\u4e0d\u9971\u548cCu-MOF\u7684\u90e8\u5206\u6001\u5bc6\u5ea6\uff08PDOS\uff09\u66f2\u7ebf\uff0c\uff08D\uff09Cu1-O4\u548cCu1-O2\u4f4d\u70b9\u7684*H\u5438\u9644\u81ea\u7531\u80fd\u3002<\/p>\n

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

\u8be5\u6587\u7ae0\u62a5\u9053\u4e86\u5728\u6c22\u6c27\u5316\u94c1\u7eb3\u7c73\u76d2\uff08Fe(OH)x\u00a0NBs\uff09\u8868\u9762\u4e0a\u5408\u7406\u751f\u957f\u7eb3\u7c73\u7ea7\u539a\u5ea6\u7684\u5bfc\u7535Cu-MOFs\u00a0\u6750\u6599\uff0c\u4f5c\u4e3a\u9ad8\u6d3b\u6027\u9ad8\u7a33\u5b9a\u7684\u7535\u5316\u5b66\u6790\u6c22\u50ac\u5316\u5242\u3002\u5408\u6210\u8fc7\u7a0b\u6d89\u53ca\u6eb6\u5242\u70ed\u53cd\u5e94\u548c\u540e\u671f\u7684\u6c27\u5316\u8fd8\u539f\u8680\u523b\u5904\u7406\u8fc7\u7a0b\u3002\u540c\u6b65\u8f90\u5c04\u8868\u5f81\u548c\u7406\u8bba\u8ba1\u7b97\u8868\u660e\uff0c\u9ad8\u5ea6\u66b4\u9732\u7684\u914d\u4f4d\u4e0d\u9971\u548cCu1<\/sub>-O2<\/sub>\u4e2d\u5fc3\u6709\u5229\u4e8e*H\u53cd\u5e94\u4e2d\u95f4\u4f53\u5f62\u6210\uff0c\u6709\u6548\u4fc3\u8fdbHER\u53cd\u5e94\u52a8\u529b\u5b66\u8fc7\u7a0b\uff0c\u8fd9\u662fFe(OH)x@Cu-MOF NBs\u7684HER\u6027\u80fd\u663e\u8457\u63d0\u9ad8\u7684\u4e3b\u8981\u539f\u56e0\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u4f18\u5316\u8bbe\u8ba1\u548c\u53ef\u63a7\u5408\u6210\u9ad8\u6548\u3001\u5ec9\u4ef7\u7684MOF\u57fa\u7535\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u548c\u65b9\u5411\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/b><\/strong>\uff1ahttps:\/\/advances.sciencemag.org\/content\/7\/18\/eabg2580<\/p>\n

Exposing unsaturated Cu1<\/sub>-O2<\/sub>\u00a0sites in nanoscale Cu-MOF for efficient electrocatalytic hydrogen evolution. Sci. Adv., <\/em>202<\/strong>1<\/strong>, DOI:10.1126\/sciadv.abg2580<\/p>\n

\u672c\u6587\u7531tt\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

\u7814\u7a76\u56e2\u961f\u7b80\u4ecb<\/b><\/strong><\/p>\n

\u697c\u96c4\u6587<\/b><\/strong>\uff0c\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u5316\u5b66\u4e0e\u751f\u7269\u533b\u5b66\u5de5\u7a0b\u5b66\u9662Cheng Tsang Man\u8bb2\u5ea7\u6559\u6388\uff0c\u4e3b\u8981\u7814\u7a76\u65b9\u5411\u662f\u7eb3\u7c73\u7ed3\u6784\u6750\u6599\u7684\u8bbe\u8ba1\u5408\u6210\u53ca\u5176\u5728\u7535\u6c60\u3001\u7535\u50ac\u5316\u548c\u5149\u50ac\u5316\u9886\u57df\u7684\u5e94\u7528\u3002\u697c\u96c4\u6587\u6559\u6388\u4e13\u6ce8\u4e8e\u65b0\u80fd\u6e90\u6750\u6599\u4e0e\u5668\u4ef6\u7814\u7a76\uff0c\u5e76\u53d6\u5f97\u4e86\u5353\u8d8a\u7684\u7814\u7a76\u6210\u679c\u3002\u4ed6\u73b0\u4e3aScience Advances<\/i><\/em>\u526f\u4e3b\u7f16\u3001Journal of Materials Chemistry A<\/i><\/em>\u7f16\u8f91\u3001Small Methods, Chemical Science, Nano Letters <\/i><\/em>\u7b49\u6742\u5fd7\u7f16\u59d4\u3002\u697c\u96c4\u6587\u6559\u6388\u5728\u5305\u62ec\u5982Science<\/i><\/em>\u00a0(1\u7bc7)\u3001Nature Energy<\/i><\/em>\u00a0(1\u7bc7)\u3001Science Advances<\/i><\/em>\u00a0(12\u7bc7)\u3001Chem<\/i><\/em>\u00a0(4 \u7bc7)\u3001Joule<\/i><\/em>\u00a0(4 \u7bc7)\u3001Nature Communications<\/i><\/em>\u00a0(6\u7bc7)\u3001Energy & Environmental Science<\/i><\/em>\u00a0(33\u7bc7)\u3001Journal of the American Chemical Society<\/i><\/em>\u00a0(17\u7bc7)\u3001Angewandte Chemie <\/i><\/em>\u2013<\/i><\/b><\/em><\/strong>\u00a0International Edition<\/i><\/em>\u00a0(67\u7bc7)\u3001Advanced Materials<\/i><\/em>\u00a0(54\u7bc7)\u3001Advanced Energy Materials<\/i><\/em>\u00a0(19\u7bc7)\u3001Advanced Functional Materials<\/i><\/em>\u00a0(13\u7bc7)\u7b49\u56fd\u9645\u9876\u7ea7\u671f\u520a\u53d1\u8868\u8bba\u6587340\u4f59\u7bc7\uff0c\u7d2f\u8ba1\u5f15\u7528\u6b21\u6570\u8d85\u8fc787000\u6b21\uff0cH\u6307\u6570\u9ad8\u8fbe175\u3002<\/p>\n

\u8bfe\u9898\u7ec4\u4e3b\u9875: https:\/\/personal.ntu.edu.sg\/xwlou\/<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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