{"id":239184,"date":"2022-07-04T06:30:22","date_gmt":"2022-07-03T22:30:22","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=239184"},"modified":"2022-07-03T20:35:57","modified_gmt":"2022-07-03T12:35:57","slug":"%ef%bc%88%e5%b7%b2%e6%a0%a1%e7%a8%bf%e4%bb%b6%ef%bc%89%e6%9c%80%e6%96%b0-nature-materials%ef%bc%9a100%e9%80%89%e6%8b%a9%e6%80%a7%ef%bc%81pmof-rufeoh%e5%82%ac%e5%8c%96%e7%94%b2%e7%83%b7%e5%88%b6","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=239184","title":{"rendered":"\u6700\u65b0 Nature Materials\uff1a100%\u9009\u62e9\u6027\uff01PMOF-RuFe(OH)\u50ac\u5316\u7532\u70f7\u5236\u7532\u9187"},"content":{"rendered":"

\u3010\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u5929\u7136\u6c14\u7684\u4e3b\u8981\u6210\u5206\u662f\u7532\u70f7\uff08CH4<\/sub>\uff09\uff0c\u5176\u5728\u73af\u5883\u6761\u4ef6\u4e0b\u5177\u6709\u76f8\u5bf9\u8f83\u4f4e\u7684\u80fd\u91cf\u5bc6\u5ea6\uff08~36 kJ L-1<\/sup>\uff09\u3002\u5f53\u90e8\u5206\u6c27\u5316CH4<\/sub>\u4e3a\u7532\u9187\uff08CH3<\/sub>OH\uff09\u65f6\uff0c\u80fd\u91cf\u5bc6\u5ea6\u53ef\u4ee5\u63d0\u5347\u81f3~17 MJ L-1<\/sup>\uff0c\u5e76\u4fc3\u8fdb\u5927\u91cf\u5316\u5b66\u54c1\u7684\u751f\u4ea7\u3002\u5728\u8fdb\u884c\u8be5\u53cd\u5e94\u65f6\uff0c\u7532\u70f7\uff08CH4<\/sub>\uff09\u4e2dC-H\u952e\u7684\u6d3b\u5316\u662f\u50ac\u5316\u7684\u4e3b\u8981\u76ee\u6807\u3002\u5747\u76f8\u50ac\u5316\u5242\u4e2d\uff0c\u8fc7\u6e21\u91d1\u5c5e\u914d\u5408\u7269\u548c\/\u6216\u591a\u91d1\u5c5e\u6c27\u9178\u76d0\u5747\u53ef\u6fc0\u6d3bCH4<\/sub>\u4e2dC-H\u952e\uff0c\u4f46\u8fd9\u4e9b\u7cfb\u7edf\u4e25\u91cd\u4f9d\u8d56\u9ad8\u8150\u8680\u6027\u6c27\u5316\u5242\uff0c\u5bf9\u73af\u5883\u4ea7\u751f\u4e86\u4e25\u91cd\u5f71\u54cd\u3002\u867d\u7136\u81ea\u7136\u754c\u4e2d\u901a\u8fc7\u5177\u6709\u4e8c\u94c1\u4f4d\u70b9\u7684\u7532\u70f7\u5355\u52a0\u6c27\u9176\u53ef\u5b9e\u73b0CH4\u90e8\u5206\u6c27\u5316\u4e3aCH3<\/sub>OH\uff0c\u4f46\u7531\u4e8eCH4<\/sub>\u4e2dC-H\u952e\u7684\u89e3\u79bb\u80fd\u9ad8\uff08439 kJ mol-1<\/sup>\uff09\u548cCH3<\/sub>OH\u5bb9\u6613\u8fc7\u6c27\u5316\u751f\u6210CO\u548cCO2<\/sub>\uff0c\u5176\u5728\u4eba\u5de5\u7cfb\u7edf\u4e2d\u6a21\u62df\u5374\u6781\u5177\u6311\u6218\u6027\u3002\u867d\u7136\u4f7f\u7528\u8fc7\u6c27\u5316\u6c22\uff08H2<\/sub>O2<\/sub>\uff09\u53ef\u4ee5\u5728\u8f83\u6e29\u548c\u6761\u4ef6\u4e0b\u9a71\u52a8\u8be5\u53cd\u5e94\uff0c\u4f46\u5176\u9ad8\u6210\u672c\u963b\u788d\u4e86\u5927\u89c4\u6a21\u5e94\u7528\u3002O2<\/sub>\u662f\u4e00\u79cd\u5ec9\u4ef7\u6613\u5f97\u7684\u6c27\u5316\u5242\uff0c\u4f46\u5229\u7528\u6c27\u6c14\u6c27\u5316\u7532\u70f7\u7684\u53cd\u5e94\u901a\u5e38\u9700\u8981\u5728\u9ad8\u6e29\u9ad8\u538b\u6761\u4ef6\u4e0b\u8fdb\u884c\uff0c\u5728\u6b64\u6761\u4ef6\u4e0b\u7532\u70f7\u6216\u4ea7\u751f\u7684\u7532\u9187\u6781\u6613\u8fc7\u5ea6\u6c27\u5316\u751f\u6210CO\u6216\u8005CO2<\/sub>\u3002\u56e0\u6b64\uff0c\u5728\u6e29\u548c\u6761\u4ef6\u4e0b\uff0c\u5229\u7528\u4f4e\u6210\u672c\u7684\u6c27\u6c14\u4f5c\u4e3a\u6c27\u5316\u5242\u9009\u62e9\u6027\u6c27\u5316\u7532\u70f7\u5230\u7532\u9187\u4ecd\u662f\u4e00\u4e2a\u96be\u9898\u3002<\/p>\n

\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\u57282022\u5e746\u670830\u65e5\uff0c\u82f1\u56fd\u66fc\u5f7b\u65af\u7279\u5927\u5b66\u6768\u56db\u6d77\u548cMartin Schr\u00f6der\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u62a5\u9053\u4e86\u4e00\u79cd\u91d1\u5c5e\u6709\u673a\u9aa8\u67b6\uff08PMOF-RuFe(OH)\uff09\u50ac\u5316\u5242\uff0c\u5176\u542b\u6709\u5355\u94c1\uff08Fe\uff09\u7f9f\u57fa\u4f4d\u70b9\uff0c\u5229\u7528MOF\u81ea\u8eab\u7684\u5438\u5149\u6027\u80fd\u5728\u5149\u7167\u548c\u5e38\u6e29\u5e38\u538b\u7684\u6761\u4ef6\u4e0b\u5b9e\u73b0CH4<\/sub>\u76f4\u63a5\u90e8\u5206\u6c27\u5316\u4e3a\u7532\u9187\uff08CH3<\/sub>OH\uff09\u3002\u5c24\u5176\u662f\u5728H2O\u548c\u539f\u6599\u6c14\u7684\u6d41\u52a8\u6761\u4ef6\u4e0b\uff0cPMOF-RuFe(OH)\u5c06CH4<\/sub>\u6c27\u5316\u4e3aCH3<\/sub>OH\u7684\u9009\u62e9\u6027\u8fbe\u5230100%\uff0c\u5e76\u4e14\u65f6\u95f4\u4ea7\u7387\u4e3a8.81\u00b10.34 mmol gcat<\/sub>–1<\/sup> h-1<\/sup>\uff08\u621618908\u00b1\u2009730 mmol molFe<\/sub>-1<\/sup> h-1<\/sup>\uff09\uff0c\u9ad8\u4e8e\u7532\u70f7\u5355\u52a0\u6c27\u9176\u7684\u65f6\u95f4\u4ea7\u7387\uff085.05 mmol gcat<\/sub>-1<\/sup> h-1<\/sup>\uff09\u3002\u6b64\u5916\uff0cPMOF-RuFe(OH)\u7684Fe\u5468\u8f6c\u6570\u9ad8\u8fbe2269\u00b188\u3001\u7a33\u5b9a\u6027\u8d85\u8fc7120 h\u3002\u901a\u8fc7\u4f7f\u7528\u539f\u4f4d\u5149\u8c31\u7ed3\u5408\u7406\u8bba\u8ba1\u7b97\uff0c\u4f5c\u8005\u53d1\u73b0\u951a\u5b9a\u7684\u5355Fe\u7f9f\u57fa\u4f4d\u70b9\u901a\u8fc7\u5f62\u6210[Fe-OH\u00b7\u00b7\u00b7CH4<\/sub>]\u4e2d\u95f4\u4f53\u4e0eCH4<\/sub>\u7ed3\u5408\uff0c\u4ece\u800c\u964d\u4f4e\u4e86C-H\u952e\u6d3b\u5316\u80fd\u5792\uff0c\u5b9e\u73b0\u7532\u9187\u7684\u9ad8\u9009\u62e9\u6027\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cDirect photo-oxidation of methane to methanol over a mono-iron hydroxyl site\u201d<\/strong>\u53d1\u5e03\u5728\u56fd\u9645\u8457\u540d\u671f\u520aNature Materials<\/em>\u4e0a\u3002<\/p>\n

 <\/p>\n

\"\"<\/p>\n

\n \u3010\u6838\u5fc3\u521b\u65b0\u3011<\/strong><\/p>\n

1\u3001\u57fa\u4e8eMOF\u81ea\u7ec4\u88c5\u4f18\u52bf\uff0c\u951a\u5b9a\u5728PMOF-RuFe(OH)\u4e2d\u7684\u5355\u94c1\u7f9f\u57fa\u4f4d\u70b9\u53ef\u5728\u5149\u7167\u6761\u4ef6\u4e0b\uff0c\u5229\u7528H2<\/sub>O\u548cO2<\/sub>\u4f5c\u4e3a\u6c27\u5316\u5242\uff0c\u5b9e\u73b0\u5e38\u6e29\u5e38\u538b\u4e0b\u6d3b\u5316\u7532\u70f7\u9009\u62e9\u6027\u6c27\u5316\u5230CH3<\/sub>OH\uff1b\u5e76\u5229\u7528\u539f\u4f4d\u4e2d\u5b50\u6563\u5c04\u3001EPR\u548c\u7ea2\u5916\u7b49\u8868\u5f81\u6280\u672f\u7ed3\u5408\u7406\u8bba\u8ba1\u7b97\uff0c\u89c2\u5bdf\u5230CH4<\/sub>\u5438\u9644\u53ca\u6d3b\u5316\u8fc7\u7a0b\u3002<\/p>\n

2\u3001\u5229\u7528\u8bbe\u8ba1\u7684\u6d41\u52a8\u88c5\u7f6e\uff0cPMOF-RuFe(OH)\u5b9e\u73b0\u7532\u70f7100%\u8f6c\u5316\u4e3aCH3<\/sub>OH\uff0cFe\u5468\u8f6c\u6570\u9ad8\u8fbe2269\u00b188\u3001\u7a33\u5b9a\u6027\u8d85\u8fc7120 h\uff0c\u65f6\u95f4\u4ea7\u7387\u4e3a8.81\u00b10.34 mmol gcat<\/sub>-1<\/sup> h-1<\/sup>\uff08\u621618908\u00b1\u2009730 mmol molFe<\/sub>-1<\/sup> h-1<\/sup>\uff09\u6d3b\u6027\u9ad8\u4e8e\u7532\u70f7\u5355\u52a0\u6c27\u9176\uff085.05 mmol gcat<\/sub>-1<\/sup> h-1<\/sup>\uff09\u3002<\/p>\n

\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n

\u56fe\u4e00\u3001\u5408\u6210PMOF-RuFe(OH)\u50ac\u5316\u5242\u53ca\u5149\u6c27\u5316CH4<\/sub>\u5236CH3<\/sub>OH\u7684\u6d41\u52a8\u53cd\u5e94\u5668<\/strong>\u00a92022 Springer Nature Limited
\n \"\"\u00a0\uff08a\uff09\u5728UiO-67\u7684\u5b54\u5185\u7ed3\u5408\u5355\u94c1\u7f9f\u57fa\u3001[RuII<\/sup>(bpy)2<\/sub>(bpydc)]\u548c[PW9<\/sub>V3<\/sub>O40<\/sub>]6-<\/sup>\u7269\u79cd\u7684PMOF-RuFe(OH)\u7684\u7ed3\u6784\u89c6\u56fe\uff1b<\/p>\n

\uff08b\uff09\u5728\u6c27\u6c14\u548c\u6c34\u5b58\u5728\u4e0b\uff0cPMOF-RuFe(OH)\u50ac\u5316CH4<\/sub>\u4e2d\u7684C-H\u952e\u9009\u62e9\u6027\u5149\u6d3b\u5316\u4e3aCH3<\/sub>OH\u7684\u534f\u540c\u4f5c\u7528\uff1b<\/p>\n

\uff08c\uff09\u5728PMOF-RuFe(OH)\u4e0a\u5c06\u5149\u50ac\u5316CH4<\/sub>\u8f6c\u5316\u4e3aCH3<\/sub>OH\u7684\u8fde\u7eed\u6d41\u52a8\u53cd\u5e94\u5668\u89c6\u56fe\u3002<\/p>\n

\u56fe\u4e8c\u3001PMOF-RuFe(OH)\u7684\u8868\u5f81<\/strong>\u00a92022 Springer Nature Limited
\n \"\"
\n \uff08a\uff09PMOF-RuFe(OH)\u3001PMOF-Ru\u548cPMOF-RuFe(Cl)\u7684\u7c89\u672bX\u5c04\u7ebf\u884d\u5c04\u56fe\u548c\u6a21\u62df\u56fe\uff1b<\/p>\n

\uff08b\uff09\u6f2b\u53cd\u5c04UV-vis-NIR\u5149\u8c31\uff1b<\/p>\n

\uff08c\uff09PMOF-RuFe(OH)\u3001Fe2<\/sub>O3<\/sub>\u3001Fe\u7b94\u548cFeCl3<\/sub>\u7684\u5f52\u4e00\u5316Fe K-edge XANES\u5149\u8c31\uff1b<\/p>\n

\uff08d\uff09PMOF-RuFe(OH)\u4e2d\uff0cFe K-edge\u7684R\u7a7a\u95f4\u4e2d\u7684EXAFS\u5149\u8c31\u53ca\u5176\u6a21\u62df\u5149\u8c31\uff08\u6a21\u578b\uff1a[(bpy)Fe(OH)(H2<\/sub>O)3<\/sub>]2+<\/sup>\uff09\uff1b<\/p>\n

\uff08e-f\uff09k2-\u52a0\u6743Fe K-edge EXAFS\u5149\u8c31\u548cPMOF-RuFe(OH)\u3001Fe2<\/sub>O3<\/sub>\u548cFe\u7b94\u7684\u5c0f\u6ce2\u53d8\u6362\u3002<\/p>\n

\u56fe\u4e09\u3001\u5149\u50ac\u5316\u6027\u80fd<\/strong>\u00a92022 Springer Nature Limited
\n \"\"\uff08a\uff09\u5728PMOF-RuFe(OH)\u4e0a\u5c06CH4<\/sub>\u5149\u6c27\u5316\u4e3aCH3<\/sub>OH\u7684\u50ac\u5316\u6d3b\u6027\u4e0e\u5176\u5b83\u5149\u50ac\u5316\u5242\u7684\u6bd4\u8f83\uff1b<\/p>\n

\uff08b\uff09\u91dc\u5f0f\u6761\u4ef6\u4e0b\uff0c\u5404\u79cdMOF\u57fa\u50ac\u5316\u5242\u7684\u50ac\u5316\u6d3b\u6027\uff1b<\/p>\n

\uff08c-d\uff09\u6d41\u52a8\u6a21\u5f0f\u4e0bPMOF-RuFe(OH)\u4e0a\u5728120\u2009h\u5185\u5f62\u6210CH3<\/sub>OH\u65f6\uff0cCH3<\/sub>OH\u9009\u62e9\u6027\u3001CH4<\/sub>\u8f6c\u5316\u7387\u548c\u65f6\u95f4\u4ea7\u7387\u3002<\/p>\n

\u56fe\u56db\u3001\u5355\u94c1\u7f9f\u57fa\u4f4d\u70b9\u6d3b\u5316C-H\u952e\u7684\u7814\u7a76<\/strong>\u00a92022 Springer Nature Limited
\n \"\"\u00a0\uff08a\uff09CH4\u5728PMOF-RuFe(OH)\u3001PMOF-Ru\u548cMOF-RuFe(OH)\u4e2d\u7684\u5438\u9644\uff08ads\uff09\/\u89e3\u5438\uff08des\uff09\u7b49\u6e29\u7ebf\uff0c\u6d4b\u8bd5\u6e29\u5ea6\u4e3a298\u2009K\uff1b<\/p>\n

\uff08b\uff09PMOF-RuFe(OH)\u3001PMOF-Ru\u548cMOF-RuFe(OH) INS\u5149\u8c31\u7684\u5dee\u8c31\uff08diff\uff09\uff1aCH4<\/sub>\u5438\u9644\u548c\u771f\u7a7a\u8131\u9644\u7684\u540eINS\u5dee\u8c31\u7684\u5bf9\u6bd4\uff1b<\/p>\n

\uff08c\uff09\u4e0d\u540c\u6761\u4ef6\u4e0b\uff0cPMOF-RuFe(OH)\u7684EPR\u5149\u8c31\uff1b<\/p>\n

\uff08d\uff09DFT\u8ba1\u7b97CH4<\/sub>\u4e2dC-H\u952e\u5728\u5355\u94c1\u7f9f\u57fa\u4f4d\u70b9\u4e0a\u6d3b\u5316\u7684\u80fd\u91cf\u53d8\u5316\u3002<\/p>\n

\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

\u603b\u4e4b\uff0cCH4<\/sub>\u662f\u4e00\u79cd\u975e\u5e38\u4e30\u5bcc\u7684\u78b3\u57fa\u80fd\u6e90\uff0c\u4f46\u4f5c\u4e3a\u6e29\u5ba4\u6c14\u4f53\uff0c\u5b83\u5bf9\u73af\u5883\u4ea7\u751f\u91cd\u5927\u5f71\u54cd\uff1b\u5176\u76f4\u63a5\u5149\u8f6c\u5316\u4e3aCH3<\/sub>OH\u662f\u5229\u7528\u8fd9\u79cd\u78b3\u539f\u6599\u7684\u91cd\u8981\u66ff\u4ee3\u9014\u5f84\u3002\u5c06\u5355\u94c1\u7f9f\u57fa\u4f4d\u70b9\u951a\u5b9a\u5728\u591a\u5b54\u91d1\u5c5e\u6709\u673a\u9aa8\u67b6\u57fa\u8d28PMOF-RuFe(OH)\uff0c\u5728\u5149\u6d3b\u6027\u53d7\u4f53\u5e2e\u52a9\u4e0b\uff0c\u53ef\u5b9e\u73b0\u6e29\u548c\u6761\u4ef6\u4e0b\u6fc0\u6d3bCH4<\/sub>\u4e2d\u7684C-H\u952e\uff1b\u5e76\u5229\u7528\u5ec9\u4ef7\u7684\u6c27\u5316\u5242\u9ad8\u9009\u62e9\u6027\u548c\u7a33\u5b9a\u6027\u7684\u6c27\u5316\u751f\u6210CH3<\/sub>OH\u3002\u672a\u6765\u5c06\u81f4\u529b\u4e8e\u8bc4\u4f30\u5176\u5728\u5de5\u4e1a\u5e94\u7528\u4e2d\u7684\u524d\u666f\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aDirect photo-oxidation of methane to methanol over a mono-iron hydroxyl site<\/a><\/strong>. Nature Materials<\/em>, 2022<\/strong>, DOI: 10.1038\/s41563-022-01279-1.<\/p>\n

\u672c\u6587\u7531CQR\u7f16\u8bd1\u3002<\/p>\n

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