{"id":122666,"date":"2018-01-27T14:00:20","date_gmt":"2018-01-27T06:00:20","guid":{"rendered":"\/\/m.iemloyee.com\/?p=122666"},"modified":"2018-01-24T10:57:22","modified_gmt":"2018-01-24T02:57:22","slug":"nature%e5%ad%90%e5%88%8a%ef%bc%9a%e4%ba%8c%e7%bb%b4mxene%e5%88%86%e5%ad%90%e7%ad%9b%e8%86%9c%e5%ae%9e%e7%8e%b0h2co2%e7%9a%84%e9%ab%98%e6%95%88%e5%88%86%e7%a6%bb","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=122666","title":{"rendered":"Nature\u5b50\u520a\uff1a\u4e8c\u7ef4MXene\u5206\u5b50\u7b5b\u819c\u5b9e\u73b0H2\/CO2\u7684\u9ad8\u6548\u5206\u79bb"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong><\/p>\n \u9010\u6e10\u53d1\u5c55\u8d77\u6765\u7684\u4e8c\u7ef4\uff082D\uff09\u819c\u5177\u6709\u5145\u8db3\u548c\u5747\u5300\u7684\u7eb3\u7c73\u901a\u9053\uff0c\u53ef\u4ee5\u6253\u7834\u5206\u79bb\u8fc7\u7a0b\u4e2d\u6e17\u900f\u7387-\u9009\u62e9\u6027\u4e4b\u95f4\u7684\u5e73\u8861\u9650\u5236\uff08trade-off\uff09\uff0c\u4e8c\u7ef4\u6750\u6599\u4e5f\u6210\u4e3a\u6c14\u4f53\u9ad8\u6548\u5206\u79bb\u7684\u7406\u60f3\u6750\u6599\uff0c\u5e76\u4e14\u4e3a\u5206\u79bb\u819c\u7684\u53d1\u5c55\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002\u901a\u5e38\uff0c\u4e8c\u7ef4\u5c42\u72b6\u819c\u7531\u76f8\u90bb\u4e8c\u7ef4\u7eb3\u7c73\u7247\u5806\u53e0\u5f62\u6210\uff0c\u5176\u95f4\u7684\u5c42\u95f4\u7eb3\u7c73\u901a\u9053\u63d0\u4f9b\u4f20\u8d28\u5206\u79bb\u9014\u5f84\u3002\u7136\u800c\uff0c\u4e8c\u7ef4\u7eb3\u7c73\u7247\u7684\u968f\u673a\u5806\u53e0\u5f62\u6210\u7684\u65e0\u5e8f\u5c42\u95f4\u7eb3\u7c73\u901a\u9053\u5374\u4e0d\u5229\u4e8e\u6c14\u4f53\u7684\u9ad8\u6548\u5206\u79bb\u3002\u56e0\u6b64\uff0c\u5236\u5907\u9ad8\u5ea6\u6709\u5e8f\u7684\u4e8c\u7ef4\u7eb3\u7c73\u901a\u9053\u7ed3\u6784\uff0c\u5b9e\u73b0\u5feb\u901f\u7cbe\u786e\u7684\u5206\u5b50\u7b5b\u5206\uff0c\u5bf9\u4e8e\u5c42\u72b6\u819c\u800c\u8a00\u4ecd\u7136\u662f\u91cd\u5927\u7684\u6311\u6218\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u534e\u5357\u7406\u5de5\u5927\u5b66\u738b\u6d77\u8f89\u6559\u6388<\/strong>\u548c\u5fb7\u96f7\u8d5b\u5c14\u5927\u5b66<\/strong>Yury Gogotsi<\/strong>\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u56e2\u961f\u5728Nat. Commun.<\/strong>\u6742\u5fd7\u5728\u7ebf\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a\u201cMXene molecular sieving membranes for highly efficient gas separation<\/strong> \u201d\u7684\u6587\u7ae0\uff0c\u4ecb\u7ecd\u4e86\u4e00\u79cd\u5177\u6709\u9ad8\u5ea6\u6709\u5e8f\u7684\u4e9a\u7eb3\u7c73\u901a\u9053\u4e8c\u7ef4\u5c42\u72b6\u5206\u5b50\u7b5b\u819cMXene\uff0c\u5229\u7528MXene\u7eb3\u7c73\u7247\u8868\u9762\u4e30\u5bcc\u4e14\u5206\u5e03\u5747\u5300\u7684\u672b\u7aef\u57fa\u56e2\u652f\u6491\u5f62\u6210\u9ad8\u5ea6\u6709\u5e8f\u7684\u4e8c\u7ef4\u5c42\u72b6\u7eb3\u7c73\u5b54\u9053\uff0c\u5b9e\u73b0\u5feb\u901f\u3001\u7cbe\u51c6\u7684\u6c14\u4f53\u5206\u79bb\u80fd\u529b\uff1aH2<\/sub>\u6e17\u900f\u901a\u91cf\u8fbe\u52302200 Barrer\uff0cH2<\/sub>\/CO2<\/sub>\u7684\u5206\u79bb\u9009\u62e9\u6027\u8fbe\u5230160\uff1b\u5e76\u5229\u7528\u5206\u5b50\u52a8\u529b\u5b66\u5b9a\u91cf\u6a21\u62df\u9a8c\u8bc1\u5b9e\u9a8c\u7ed3\u679c\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe1. \u5265\u79bb\u7684<\/strong>MXene(Ti3<\/sub>C2<\/sub>TX<\/sub>)<\/strong>\u7eb3\u7c73\u7247\u7684\u5f62\u6001\u7ed3\u6784\u548c\u5806\u53e0\u578b<\/strong>MXene<\/strong>\u819c\u7684\u5f62\u8c8c\u548c\u7ed3\u6784\u8868\u5f81<\/strong> a\uff09 \u7f6e\u4e8e\u591a\u5b54\u6c27\u5316\u94dd\u4e0aMXene\u7eb3\u7c73\u7247\u7684SEM\u56fe\uff08\u63d2\u56fe\u4e3aMXene\u80f6\u4f53\u6eb6\u6db2\u7684\u4e01\u8fbe\u5c14\u6563\u5c04\u6548\u5e94\u5c55\u793a\u56fe\uff0c\u6807\u5c3a\uff1a1 \u03bcm\uff09\uff1b<\/p>\n b\uff09 MXene\u7eb3\u7c73\u7247\u7684HRTEM\u7167\u7247\uff08\u63d2\u56fe\u4e3aSAED\u8868\u5f81\uff0c\u6807\u5c3a\uff1a5 nm\uff09\uff1b<\/p>\n c\uff09 MXene\u7eb3\u7c73\u7247\u5728\u88c2\u89e3\u4e91\u6bcd\u4e0a\u7684AFM\u8868\u5f81\uff0c\u7eb3\u7c73\u7247\u5c42\u9ad8\u5ea6\u4e0e\u84dd\u8272\u865a\u7ebf\u5bf9\u5e94\uff08\u6807\u5c3a\uff1a500 nm\uff09\uff1b<\/p>\n d\uff09 MXene\u819c\u8868\u9762\u7684SEM\u8868\u5f81\uff08\u63d2\u56fe\u4e3aMXene\u819c\u7684\u7167\u7247\uff09\uff1b<\/p>\n e\uff09 MXene\u819c\u7684\u6a2a\u622a\u9762\u7684SEM\u56fe\u50cf\uff08\u6807\u5c3a\uff1a1 \u03bcm\u63d2\u56fe\u4e3aMXene\u819c\u5f2f\u66f2\u7684\u7167\u7247\uff09\uff1b<\/p>\n f\uff09 \u5177\u67092\u7ef4\u901a\u9053\u7684MXene\u819c\u6a2a\u65ad\u9762\u7684TEM\u56fe\uff08\u6807\u5c3a\uff1a10 nm\uff09\uff1b<\/p>\n g\uff09 MAX\uff08Ti3<\/sub>AlC2<\/sub>\uff09\u7c89\u672b\u548cMXene\uff08Ti3<\/sub>C2<\/sub>TX<\/sub>\uff09\u819c\u7684XRD\u8c31\u56fe\uff1b<\/p>\n h\uff09 \u5206\u5b50\u7b5b\u819c\u4e0a\u76f8\u90bb\u7eb3\u7c73\u7247\u5c42\u95f4\u8ddd\u793a\u610f\u56fe\u3002<\/p>\n \u56fe2.<\/strong> MXene<\/strong>\u819c\u6c14\u4f53\u5206\u79bb\u6027\u80fd\u7684\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u4e0e\u5b9e\u9a8c\u7ed3\u679c\u6bd4\u8f83<\/strong><\/p>\n a\uff09 \u5355\u5206\u5b50\u6c14\u4f53\u900f\u8fc72\u03bcm\u539a\u7684MXene\u819c\u7684\u6e17\u900f\u7cfb\u6570\u4e0e\u6c14\u4f53\u52a8\u529b\u5b66\u76f4\u5f84\u7684\u51fd\u6570\u5173\u7cfb\uff0825\u2103\uff0c1bar\uff09\uff0c\u63d2\u56fe\u4e3a\u5355\u5206\u5b50\u6c14\u4f53\u548c\u7b49\u6469\u5c14\u6bd4\u6df7\u5408\u6c14\u4f53\u6e17\u900f\u7814\u7a76\u4e2dH2<\/sub>\u76f8\u5bf9\u4e8e\u5176\u4ed6\u6c14\u4f53\u7684\u9009\u62e9\u6027\uff1b<\/p>\n b\uff09 H2<\/sub>\/CO2<\/sub>\u548cH2<\/sub>\/N2<\/sub>\u5355\u4e00\u6c14\u4f53\u548c\u6df7\u5408\u6c14\u4f53\u6e17\u900f\u9009\u62e9\u6027\u5b9e\u9a8c\u7ed3\u679c\u548cMD\u6a21\u62df\u7ed3\u679c\u6bd4\u8f83\uff1b<\/p>\n c\uff09 MD\u6a21\u62df\u901a\u8fc7MXene\u819c\u7684\u6c14\u4f53\u5206\u5b50\u7684\u6570\u91cf\u4e0e\u5355\u5206\u5b50\u6c14\u4f53\u6e17\u900f\u65f6\u95f4\u7684\u51fd\u6570\uff1b\u7531\u4e8eH2<\/sub>\u7684\u5feb\u901f\u6e17\u900f\uff0c\u4ec5\u663e\u793a\u6a21\u62df\u7684\u524d10 ns\u7684\u6570\u636e\uff1b\u5728CO2<\/sub>\u6216N2<\/sub>\u7684200 ns\u957f\u7684\u6a21\u62df\u4e2d\uff0c\u53ea\u6709\u4e24\u4e2a\u5206\u5b50\u901a\u8fc7MXene\u819c\uff0c\u7531\u4e8eCO2<\/sub>\u5728MXene\u819c\u4e0a\u7684\u5438\u9644-\u89e3\u5438\u800c\u51fa\u73b0\u66f2\u7ebf\u7684\u6ce2\u52a8;<\/p>\n d\uff09 \uff08H2<\/sub>+CO2<\/sub>\uff09\u548c\uff08H2<\/sub>+N2<\/sub>\uff09\u4e24\u79cd\u6df7\u5408\u6c14\u4f53\u5728\u6e17\u900f\u7cfb\u7edf\u4e2d0\uff0c30\uff0c100\u548c300 ns\u7b49\u65f6\u95f4\u70b9\u4e0b\u7684\u6a21\u62df\u5feb\u7167\uff1b\u5176\u4e2dH2<\/sub>\u5229\u7528\u8054\u5408\u539f\u5b50\u529b\u573a\u6a21\u62df\uff0cMXene\u819c\u7531\u4e24\u4e2a\u7eb3\u7c73\u7247\u7ec4\u6210\uff0c\u81ea\u7531\u95f4\u9694\uff080.35nm\uff09\u4f4d\u4e8e\u6a21\u62df\u7cfb\u7edf\u4e2d\u95f4\uff1b\u5728\u5f00\u59cb\u65f6\uff08t = 0 ns\uff09\uff0c\u8fdb\u6599\u5ba4\u4e2d\u5b58\u572830\u4e2aH2<\/sub>\u548c30\u4e2aCO2<\/sub>\uff08\u6216N2<\/sub>\uff09\u5206\u5b50\uff0c\u5176\u901a\u8fc7MXene\u819c\u6e17\u900f\u5230\u62bd\u7a7a\u7684\u6e17\u900f\u5ba4\u3002<\/p>\n \u56fe3. <\/strong>MXene<\/strong>\u819c\u7684\u6c14\u4f53\u5206\u79bb\u6027\u80fd<\/strong><\/p>\n a\uff09 \u5355\u7ec4\u4efd\u6c14\u4f53\u900f\u8fc7\u4e0d\u540c\u539a\u5ea6MXene\u819c\u7684\u5206\u79bb\u6027\u80fd\uff0825\u2103\uff0c1bar\uff09\uff1b<\/p>\n b\uff09 \u7b49\u6469\u5c14H2<\/sub>\/CO2<\/sub>\u6df7\u5408\u6c14\u4f53\u900f\u8fc72 \u03bcm\u539a\u7684MXene\u819c\u65f6\u5206\u79bb\u6027\u80fd\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\uff1b<\/p>\n c\uff09 2 \u03bcm\u539a\u7684MXene\u819c\u5206\u79bb\u7b49\u6469\u5c14H2<\/sub>\/CO2<\/sub>\u6df7\u5408\u6c14\u4f53\u7684\u7a33\u5b9a\u6027\u6d4b\u8bd5\uff0825\u2103\uff0c1bar\uff09\uff1b<\/p>\n d\uff09 MXene\u819c\u4e0e\u73b0\u6709\u7684\u6c14\u4f53\u5206\u79bb\u819c\u5bf9H2<\/sub>\/CO2<\/sub>\u5206\u79bb\u6027\u80fd\u7684\u6bd4\u8f83\uff08\u9ed1\u7ebf\uff1a2008\u5e74\u9ad8\u5206\u5b50\u819c\u5206\u79bbH2<\/sub>\/CO2<\/sub>\u6df7\u5408\u6c14\u4f53\u7684Robeson\u4e0a\u9650\uff1b\u6a59\u8272\u865a\u7ebf\uff1a\u622a\u81f32017\u5e74\u73b0\u6709\u7684\u819c\u5206\u79bb\u6280\u672f\u7528\u4e8eH2<\/sub>\/CO2<\/sub>\u6df7\u5408\u6c14\u4f53\u5206\u79bb\u7684Robeson\u4e0a\u9650\uff09\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u5c06\u5177\u6709\u4e8c\u7ef4\u7ed3\u6784\u548c\u7269\u7406\u5316\u5b66\u6027\u8d28\u53ef\u8c03\u7684MXene\u4e8c\u7ef4\u6750\u6599\u5f00\u53d1\u4e3a\u65b0\u578b\u5206\u5b50\u7b5b\u819c\u4e3a\u819c\u5206\u79bb\u9886\u57df\u63d0\u4f9b\u4e86\u6fc0\u52a8\u4eba\u5fc3\u7684\u673a\u4f1a\u3002\u73b0\u5728\u5df2\u7ecf\u670930\u591a\u7c7bMXenes\u6750\u6599\u53ef\u4ee5\u4f7f\u7528\uff0c\u5e76\u4e14\u8fd8\u6709\u51e0\u5341\u4e2aMXenes\u53ef\u4ee5\u5236\u5907\u51fa\u6765\uff0c\u8fd9\u4e3a\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5176\u5206\u79bb\u6027\u80fd\u63d0\u4f9b\u4e86\u5f88\u5927\u7684\u7a7a\u95f4\u3002\u672c\u6587\u7814\u53d1\u7684MXene\u819c\u5bf9\u4e8e\u6c14\u4f53\u7684\u5206\u79bb\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u4f8b\u5982\u7532\u9187\u91cd\u6574\u8fc7\u7a0b\u4e2d\u7684H2<\/sub>\u51c0\u5316\uff0c\u96f6\u6392\u653e\u5316\u77f3\u71c3\u6599\u53d1\u7535\u8fc7\u7a0b\u4e2dCO2<\/sub>\u6355\u96c6\uff0c\u6c28\u751f\u4ea7\u4e2dH2<\/sub>\u56de\u6536\u7b49\u3002\u6b64\u5916\uff0c\u6587\u7ae0\u8fd8\u5c55\u793a\u4e86\u5173\u4e8e\u4e8c\u7ef4\u5206\u5b50\u7b5b\u819c\u7ed3\u6784\u8bbe\u8ba1\u7684\u65b0\u6982\u5ff5\uff0c\u5373\uff1a\u91c7\u7528\u9ad8\u5ea6\u6709\u5e8f\u7684\u4e8c\u7ef4\u7eb3\u7c73\u901a\u9053\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5feb\u901f\u3001\u7cbe\u786e\u7684\u5206\u5b50\u7b5b\u5206\uff0c\u7a81\u7834trade-off\u9650\u5236\uff0c\u63d0\u9ad8\u5206\u79bb\u6548\u7387\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>MXene molecular sieving membranes for highly efficient gas separation<\/strong><\/a>\uff08Nat. Commun.<\/strong>\uff0c<\/strong>2017<\/strong>\uff0c<\/strong>DOI: 10.1038\/s41467-017-02529-6<\/strong>\uff09<\/p>\n \u3010\u901a\u8baf\u4f5c\u8005\u53ca\u56e2\u961f\u7b80\u4ecb\u3011<\/strong><\/p>\n \u738b\u6d77\u8f89\u6559\u6388\uff0c1975\u5e74\u751f\uff0c\u534e\u5357\u7406\u5de5\u5927\u5b66\u6559\u6388\uff0c\u535a\u58eb\u751f\u5bfc\u5e08\uff0c\u6770\u9752\uff0c\u82f1\u56fd\u7687\u5bb6\u5316\u5b66\u4f1aFellow\u30022003\u5e74\u6bd5\u4e1a\u4e8e\u4e2d\u56fd\u79d1\u5b66\u9662\u5927\u8fde\u5316\u5b66\u7269\u7406\u7814\u7a76\u6240\uff0c\u83b7\u535a\u58eb\u5b66\u4f4d\u3002\u5148\u540e\u5728\u5fb7\u56fd\u6c49\u8bfa\u5a01\u5927\u5b66\u505a\u6d2a\u5821\u5b66\u8005\u548c\u535a\u58eb\u540e\u7814\u7a76\u4eba\u5458\u30022011\u5e74\u5165\u9009\u5e7f\u4e1c\u7701\u73e0\u6c5f\u5b66\u8005\u7279\u8058\u6559\u6388\uff0c2012\u5e74\u83b7\u5f97\u56fd\u5bb6\u6770\u51fa\u9752\u5e74\u57fa\u91d1\u83b7\u5f97\u8005\uff0c2015\u5e74\u5165\u9009\u79d1\u6280\u90e8\u4e2d\u9752\u5e74\u79d1\u6280\u521b\u65b0\u9886\u519b\u4eba\u624d\uff0c2016\u5e74\u5165\u9009\u82f1\u56fd\u7687\u5bb6\u5316\u5b66\u4f1aFellow\u3002\u5728AIChE Journal\uff0cAngwante Chemie International Edit\uff0cJACS\uff0cAdvanced Materials, Chemical Science\u7b49\u5b66\u672f\u671f\u520a\u4e0a\uff0c\u53d1\u8868\u8bba\u6587170\u4f59\u7bc7\uff0c\u8bba\u6587\u88ab\u5f15\u75287499\u6b21\uff08Google Scholar, 2017\u5e743\u670829\u65e5\uff09\uff0cH\u56e0\u5b50\uff1a51\uff0c\u81ea2014\u5e74\u8d77\u8fde\u7eed\u5165\u9009\u7231\u601d\u552f\u5c14\u4e2d\u56fd\u9ad8\u88ab\u5f15\u5b66\u8005\uff08\u5316\u5b66\u5de5\u7a0b\u9886\u57df\uff09<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5357\u6e21\u7f16\u8bd1\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n
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