{"id":159851,"date":"2018-11-27T06:30:03","date_gmt":"2018-11-26T22:30:03","guid":{"rendered":"\/\/m.iemloyee.com\/?p=159851"},"modified":"2018-11-26T18:51:26","modified_gmt":"2018-11-26T10:51:26","slug":"%e5%8a%a0%e5%b7%9e%e5%a4%a7%e5%ad%a6%e4%bc%af%e5%85%8b%e5%88%a9%e5%88%86%e6%a0%a1nat-chem-%ef%bc%9a%e8%af%86%e5%88%ab%e9%87%91%e5%b1%9e%e6%9c%89%e6%9c%ba%e6%a1%86%e6%9e%b6%e5%9b%ba%e4%bd%93%e9%85%b8","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=159851","title":{"rendered":"\u52a0\u5dde\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821Nat. Chem. \uff1a\u8bc6\u522b\u91d1\u5c5e\u6709\u673a\u6846\u67b6\u56fa\u4f53\u9178\u50ac\u5316\u5242\u4e2d\u7684\u5f3a\u5e03\u5fcd\u53f8\u7279\u9178\u4f4d\u70b9"},"content":{"rendered":"

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

\u56fa\u4f53\u9178\u50ac\u5316\u5242\u8868\u9762\u7684\u5316\u5b66\u6027\u8d28\u5bf9\u5de5\u4e1a\u50ac\u5316\u5e94\u7528\u81f3\u5173\u91cd\u8981\uff0c\u4f46\u8fd9\u4e9b\u8868\u9762\u7684\u7cbe\u786e\u5206\u5b50\u56fe\u50cf\u4ecd\u4e0d\u6e05\u695a\u3002\u4e3a\u4e86\u83b7\u5f97\u56fa\u4f53\u9178\uff08\u5982\u786b\u9178\u5316\u6c27\u5316\u9506\uff09\u4e2d\u5e03\u5fcd\u53f8\u7279\u9178\u4f4d\u70b9\u89c6\u56fe\uff0c\u5df2\u7ecf\u63d0\u51fa\u4e86\u591a\u79cd\u6a21\u578b\uff0c\u90e8\u5206\u539f\u56e0\u662f\u96be\u4ee5\u8868\u5f81\u8fd9\u4e9b\u6750\u6599\u7684\u8868\u9762\u7ed3\u6784\uff0c\u4f46\u4e5f\u56e0\u4e3a\u6839\u636e\u5236\u5907\u6761\u4ef6\u7684\u4e0d\u540c\uff0c\u5176\u6027\u8d28\u53d8\u5316\u5f88\u5927\u3002\u8bc6\u522b\u8d1f\u8d23\u56fa\u4f53\u9178\u50ac\u5316\u5242\u6d3b\u6027\u7684\u5206\u5b50\u7ed3\u6784\u4e3a\u8fd9\u4e9b\u6750\u6599\u7684\u529f\u80fd\u7279\u6027\u548c\u50ac\u5316\u673a\u7406\u63d0\u4f9b\u4e86\u66f4\u4e30\u5bcc\u7684\u89c2\u70b9\uff0c\u5e76\u9610\u660e\u4e86\u4e0e\u5206\u5b50\u7ed3\u6784\u53ca\u5176\u529f\u80fd\u76f8\u5173\u7684\u57fa\u672c\u8868\u9762\u5316\u5b66\u3002\u6700\u8fd1\uff0c\u62a5\u9053\u4e86\u91d1\u5c5e-\u6709\u673a\u6846\u67b6\uff08MOF\uff09\u56fa\u4f53\u9178\u50ac\u5316\u5242\u7684\u5408\u6210\uff0c\u901a\u8fc7\u7528\u786b\u9178\u5904\u7406Zr\u57faMOF\u548cMOF-808\uff0c\u5f97\u5230\u56fa\u4f53\u9178MOF\uff0cMOF-808-SO4<\/sub>\uff0c\u7ed3\u679c\u8868\u660e\u8be5\u50ac\u5316\u5242\u80fd\u8fdb\u884c\u591a\u79cd\u9178\u50ac\u5316\u53cd\u5e94\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5728\u7f8e\u56fd\u52a0\u5dde\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821Omar M. Yaghi<\/b><\/strong>\u6559\u6388\u56e2\u961f\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u5e26\u9886\u4e0b\uff0c\u4e0e\u52b3\u4f26\u65af\u4f2f\u514b\u5229\u56fd\u5bb6\u5b9e\u9a8c\u5ba4<\/b><\/strong>\u3001\u65af\u5766\u798f\u5927\u5b66<\/b><\/strong>\u548c\u6a61\u6811\u5cad\u56fd\u5bb6\u5b9e\u9a8c\u5ba4<\/b><\/strong>\u5408\u4f5c\uff0c\u56e2\u961f\u901a\u8fc7\u4e00\u7cfb\u5217\u7684\u5149\u8c31\u3001\u6676\u4f53\u5b66\u548c\u8ba1\u7b97\u8868\u5f81\u6280\u672f\u6765\u63a2\u6d4b\u5176\u9178\u5ea6\u7684\u6765\u6e90\u3002\u663e\u793a\u6700\u5f3a\u7684\u5e03\u5fcd\u53f8\u7279\u9178\u4f4d\u70b9\u7531\u9506\u7c07\u4e0a\u7684\u5438\u9644\u6c34\u548c\u786b\u9178\u76d0\u90e8\u5206\u7684\u7279\u5b9a\u6392\u5217\u7ec4\u6210\u3002\u5f53\u6c34\u5206\u5b50\u5438\u9644\u5728\u4e00\u4e2a\u9506\u539f\u5b50\u4e0a\u65f6\uff0c\u5b83\u4e0e\u76f8\u90bb\u9506\u539f\u5b50\u87af\u5408\u7684\u786b\u9178\u76d0\u90e8\u5206\u5f62\u6210\u6c22\u952e\uff1b\u53cd\u8fc7\u6765\uff0c\u8fd9\u5c06\u5bfc\u81f4\u5f3a\u9178\u6027\u8d28\u5b50\u7684\u5b58\u5728\u3002\u8131\u6c34\u540e\uff0c\u8fd9\u79cd\u7269\u8d28\u5931\u53bb\u4e86\u9178\u6027\u3002MOF-808-SO4<\/sub>\u5bf9\u5f02\u4e01\u70ef\uff082-\u7532\u57fa-1-\u4e19\u70ef\uff09\u7684\u4e8c\u805a\u53cd\u5e94\u5177\u6709\u826f\u597d\u7684\u50ac\u5316\u6027\u80fd\uff0c\u5bf9C8\u4ea7\u54c1\u5177\u6709100\uff05\u7684\u9009\u62e9\u6027\uff0c\u8f6c\u5316\u6548\u7387\u9ad8\u3002\u540c\u65f6\uff0c\u6750\u6599\u7684\u8131\u6c34\u663e\u8457\u964d\u4f4e\u4e86\u50ac\u5316\u6d3b\u6027\uff0c\u8fd9\u4e5f\u8bc1\u5b9e\u4e86\u6c34\u5bf9\u4e8e\u5f3a\u9178\u6027\u4f4d\u70b9\u7684\u4f5c\u7528\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a\u201cIdentification of the strong Br\u00f8nsted acid site in a metal\u2013organic framework solid acid catalyst<\/b><\/strong>\u201d<\/b><\/strong>\u53d1\u8868\u5728\u4e86Nat. Chem.<\/b><\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe1<\/b><\/strong>\u00a0<\/b><\/strong>MOF-808\uff0cMOF-808-SO<\/b><\/strong>4<\/b><\/sub><\/strong>\u548c\u5206\u5b50\u4fee\u9970\u5dee\u5f02\u7684\u53ef\u89c6\u5316<\/b><\/strong>\"\"<\/p>\n

a\uff0c\u539f\u59cbMOF-808\u5305\u542b\u516d\u4e2a\u8fde\u63a5\u7684\u9506\u57fa\u91d1\u5c5e\u7c07\uff0c\u5176\u5305\u542b\u4e94\u4e2a\u7532\u9178\u76d0\u57fa\u56e2\uff0c\u901a\u8fc7BTC\u8fde\u63a5\u5230\u6240\u63cf\u7ed8\u7684spn\u62d3\u6251\u6846\u67b6\u4e2d\u3002<\/p>\n

b\uff0c\u8fd9\u4e9b\u7532\u9178\u76d0\u53ef\u4ee5\u88ab\u786b\u9178\u6839\u9634\u79bb\u5b50\u53d6\u4ee3\uff0c\u786b\u9178\u6839\u9634\u79bb\u5b50\u4ee5\u53cc\u9f7f\u65b9\u5f0f\u4e0e\u9506\u914d\u4f4d\uff0c\u6216\u8005\u4ee5\u87af\u5408\u65b9\u5f0f\u4e0e\u5355\u4e2a\u9506\u539f\u5b50\u914d\u4f4d\uff0c\u6216\u8005\u4ee5\u6865\u8fde\u65b9\u5f0f\u4e0e\u4e24\u4e2a\u9506\u539f\u5b50\u914d\u4f4d\u3002\u786b\u9178\u76d0\u5728\u6eb6\u5242\u5316MOF\u4e2d\u4e3b\u8981\u5904\u4e8e\u6865\u63a5\u6a21\u5f0f\uff0c\u5e76\u4e14\u5728\u52a8\u6001\u771f\u7a7a\u4e0b\u52a0\u70ed\u6d3b\u5316\u540e\u4ec5\u8f6c\u5316\u4e3a\u87af\u5408\u6a21\u5f0f\u3002<\/p>\n

\u6a21\u62df\u7684\u9506\u56e2\u7c07\u7684\u4e24\u79cd\u8868\u73b0\u5f62\u5f0f(BTC\u94fe\u63a5\u7269\u7701\u7565\u4e86\u914d\u4f4d\u7fa7\u9178\u76d0\u57fa\u56e2\u4e4b\u5916)\u7a81\u51fa\u4e86\u6574\u4f53\u7ed3\u6784\u4e2d\u4e0d\u540c\u56e2\u7c07\u5206\u5b50\u88c5\u9970\u7684\u5dee\u5f02\u3002<\/p>\n

c\uff0c\u6a21\u62df\u7684\u9506\u56e2\u7c07\u7684\u4e24\u79cd\u8868\u73b0\u5f62\u5f0f\uff08\u5728\u914d\u4f4d\u7fa7\u9178\u76d0\u57fa\u56e2\u4e4b\u5916\u7701\u7565\u4e86BTC\u63a5\u5934\uff09\uff0c\u7a81\u51fa\u4e86\u6574\u4e2a\u7ed3\u6784\u4e2d\u4e0d\u540c\u7c07\u4e4b\u95f4\u5206\u5b50\u4fee\u9970\u7684\u5dee\u5f02\u3002\u6bcf\u4e2a\u7c07\u4e0a\u5b58\u5728\u7c7b\u4f3c\u7684\u6c22\u6c27\u5316\u7269\uff0c\u6c34\u548c\u786b\u9178\u76d0\u57fa\u56e2\u7684\u5316\u5b66\u8ba1\u91cf\uff0c\u4f46\u8fd9\u4e9b\u57fa\u56e2\u7684\u5c40\u90e8\u6392\u5217\u548c\u5206\u914d\u4e0d\u540c\u3002Zr\u57fa\u56e2\u7c07 (Zr6<\/sub>O5<\/sub>(OH)3<\/sub>)\uff0c\u84dd\u8272\u591a\u9762\u4f53\uff1bO\uff0c\u7ea2\u8272\uff1bC\uff0c\u7070\u8272\uff1bS\uff0c\u9ec4\u8272\uff1bH\uff0c\u767d\u8272\uff1b\u5b54\u9699\uff0c\u5927\u9ec4\u8272\u7403\u4f53\u3002\u5728a\u548cb\u4e2d\uff0c\u4e3a\u6e05\u695a\u8d77\u89c1\u7701\u7565\u4e86\u6c22\u539f\u5b50\u3002au\uff0c\u4efb\u610f\u5355\u4f4d\u3002<\/p>\n

\u56fe2<\/b><\/strong>\u00a0<\/b><\/strong>Rietveld\u7cbe\u4fee\u7684MOF-808-SO<\/b><\/strong>4<\/b><\/sub><\/strong>\u7684\u7ed3\u6784\u8868\u5f81\u4ee5\u53caNMR<\/b><\/strong>\u8868\u5f81<\/b><\/strong>\"\"<\/p>\n

a\uff0c\u5c06\u4ecePND\u83b7\u5f97\u7684\u6570\u636e\u4e0e\u6765\u81ea\u7ed3\u6784\u6a21\u578b\u7684\u8ba1\u7b97\u6a21\u5f0f\u53ca\u5176\u5dee\u5f02\u8fdb\u884c\u6bd4\u8f83\u3002 Rietveld\u7cbe\u4fee\u4e2d\u7684R\u56e0\u5b50\uff1aRwp<\/sub>\u00a0= 2.91\uff05\uff0cRp<\/sub>\u00a0= 9.59\uff05\u3002<\/p>\n

b\uff0c\u5438\u9644\u5230MOF-808-SO4<\/sub>\uff08\u84dd\u8272\uff09\uff08i\uff09\u548c\u8131\u6c34MOF-808-SO4<\/sub>\uff08\u7ea2\u8272\uff09\uff08ii\uff09\u4e2d\u7684TMPO\u768431<\/sup>P MAS\u56fa\u6001NMR\u5149\u8c31\u3002\u5206\u914d\u7ed9TMPO\u4e0e\u5f3a\u5e03\u6717\u65af\u53f0\u5fb7\u9178\u4f4d\u70b9\u76f8\u4e92\u4f5c\u7528\u768469ppm\u5cf0\u503c\u5728\u8131\u6c34\u65f6\u4e27\u5931\u3002\u4ee542ppm\u4e3a\u4e2d\u5fc3\u7684\u5cf0\u662f\u7531\u4e8e\u8fc7\u91cf\u7684TMPO\u4e0d\u80fd\u76f4\u63a5\u4e0e\u9178\u6027\u4f4d\u70b9\u76f8\u4e92\u4f5c\u7528\u3002\u5149\u8c31\u4e2d\u7684\u5176\u4ed6\u5cf0\u5c5e\u4e8e\u5438\u9644\u5728\u5404\u79cd\u03bc1<\/sup>-OH\uff0c\u03bc3<\/sup>-OH\u548c\u672b\u7aef\u6c34\u4f4d\u70b9\u7684TMPO\u3002<\/p>\n

\u56fe3<\/b><\/strong>\u00a0<\/b><\/strong>\u901a\u8fc7DFT\u7ed3\u6784\u4f18\u5316\u786e\u5b9aMOF-808-SO<\/b><\/strong>4<\/b><\/sub><\/strong>\u4e2d\u7684\u9506\u7c07\u548c\u5e03\u6717\u65af\u53f0\u5fb7\u9178\u4f4d\u70b9<\/b><\/strong>\"\"<\/p>\n

a\uff0c\u6574\u4e2a\u56e2\u7c07\u3002<\/p>\n

b\uff0c\u76f8\u5173\u952e\u957f\u548c\u89d2\u5ea6\u7684\u9178\u6027\u4f4d\u70b9\u7684\u8fd1\u89c6\u56fe\uff0c\u4ee5\u53ca\u53c2\u4e0e\u6c22\u952e\u7684\u9178\u6027\u8d28\u5b50\uff0c\u6807\u8bb0\u4e3aHa<\/sub>\uff0c\u53e6\u4e00\u4e2a\u4e3aHb<\/sub>\u3002Zr\uff0c\u84dd\u8272\uff1bO\uff0c\u7ea2\u8272\uff1bS\uff0c\u9ec4\u8272\uff1bH\uff0c\u767d\u8272\uff1b\u4e0d\u76f4\u63a5\u5c5e\u4e8e\u6d3b\u52a8\u90e8\u4f4d\u7684\u539f\u5b50\u662f\u6d45\u7070\u8272\u7684\u3002<\/p>\n

\u56fe4<\/b><\/strong>\u00a0<\/b><\/strong>\u4f7f\u7528<\/b><\/strong>1<\/b><\/sup><\/strong>H\u56fa\u6001NMR\u6bd4\u8f83\u8131\u6c34\u524d\u540e\u7684MOF-808-SO<\/b><\/strong>4<\/b><\/sub><\/strong>\"\"<\/b><\/strong><\/p>\n

a\uff0cMOF-808-SO4<\/sub>\u57286kHz MAS\uff08\u84dd\u8272\uff09\u4e0b\u76841<\/sup>H MAS NMR\u5149\u8c31\u548c\u57286kHz MAS\uff08\u7ea2\u8272\uff09\u4e0b\u8131\u6c34\u7684MOF-808-SO4<\/sub>\u76841<\/sup>H MAS NMR\u5149\u8c31\uff0c\u663e\u793a\u4e86\u4e24\u4e2a\u663e\u8457\u7684\u5cf0\u7684\u635f\u5931\u5206\u914d\u7ed9\u6c34\u5206\u5b50\u4e0a\u7684\u4e24\u4e2a\u4e0d\u7b49\u4ef7\u8d28\u5b50\u4e0e\u786b\u9178\u76d0\u6c22\u952e\u7ed3\u5408\u3002<\/p>\n

b\uff0c\u5177\u6709SQ\u548cDQ\u5929\u9645\u7ebf\u6295\u5f71\u7684MOF-808-SO4<\/sub>\u76841<\/sup>H DQ-MAS NMR\u5149\u8c31\uff08\u84dd\u8272\uff09\u3002\u9891\u8c31\u4ee512.5kHz\u8bb0\u5f55\uff0c\u5177\u6709\u4e24\u4e2a\u5faa\u73af\u7684\u80cc\u9760\u80cc\u91cd\u65b0\u8026\u5408\u5e8f\u5217\uff0c\u7528\u4e8e\u6fc0\u53d1\u548c\u91cd\u65b0\u8f6c\u6362DQ\u76f8\u5e72\u6027\u3002\u5728\u8131\u6c34\u65f6\u635f\u5931\u7684\u4e24\u4e2a\u5cf0\u51fa\u73b0\u57282.5\u548c8.7ppm\u5904\uff0c\u5e76\u4e14\u572811.2ppm\u5904\u8868\u73b0\u51faDQ\u76f8\u5e72\u6027\uff0c\u5e76\u4e14\u88ab\u6307\u5b9a\u4e3a\u672b\u7aef\u6c34\u4e2d\u7684\u4e0d\u7b49\u4ef7\u8d28\u5b50\u6c22\u952e\u5408\u5230\u87af\u5408\u786b\u9178\u76d0\u4e0a\u3002\u6cbf\u77405ppm\u7684\u81ea\u76f8\u5173\u5bf9\u89d2\u7ebf\u7684\u7a81\u51fa\u5cf0\u88ab\u6307\u5b9a\u4e3a\u9506\u7c07\u4e0a\u5176\u4ed6\u4f4d\u7f6e\u7684\u672b\u7aef\u6c34\uff0c\u4e0d\u4e0e\u786b\u9178\u76d0\u76f8\u90bb\u3002<\/p>\n

\u00a0<\/b><\/strong>\u56fe<\/b><\/strong>5<\/b><\/strong>\u00a0MOF-808-SO<\/b><\/strong>4<\/b><\/sub><\/strong>\u548c\u8131\u6c34MOF-808-SO<\/b><\/strong>4<\/b><\/sub><\/strong>\u50ac\u5316\u5242\u7684\u50ac\u5316\u8f6c\u5316\u7387<\/b><\/strong>\u3001<\/b><\/strong>\u9009\u62e9\u6027\u548c\u957f\u671f\u7a33\u5b9a\u6027\u7684\u6bd4\u8f83<\/b><\/strong>\"\"<\/b><\/strong><\/p>\n

a\uff0c\u5f02\u4e01\u70ef\uff082-\u7532\u57fa-1-\u4e19\u70ef\uff09\u4e8c\u5f02\u5316\u6210\u5f02\u8f9b\u70ef\uff082,4,4-\u4e09\u7532\u57fa-1-\u620a\u70ef\u548c2,4,4-\u4e09\u7532\u57fa-2-\u620a\u70ef\uff09\u7684\u4e00\u822c\u53cd\u5e94\u65b9\u6848\u3002<\/p>\n

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

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\u6587\u732e\u94fe\u63a5\uff1a<\/b><\/strong>Identification of the strong Br\u00f8nsted acid site in a metal\u2013organic framework solid acid catalyst<\/u><\/a>\uff08Nat. Chem. , 2018, DOI: 10.1038\/s41557-018-0171-z\uff09<\/p>\n

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