{"id":83867,"date":"2017-05-29T06:30:20","date_gmt":"2017-05-28T22:30:20","guid":{"rendered":"\/\/m.iemloyee.com\/?p=83867"},"modified":"2017-05-29T10:10:29","modified_gmt":"2017-05-29T02:10:29","slug":"%e7%a7%91%e6%8a%80%e8%b5%84%e8%ae%af%e5%86%99%e4%bd%9c%e5%a4%a7%e8%b5%9b%ef%bd%9cnature%e5%ad%90%e5%88%8a%e6%96%b0%e7%aa%81%e7%a0%b4-%e6%88%b4%e6%b4%aa%e5%85%b4%e6%96%b0%e5%8d%97unsw%ef%bc%9a","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=83867","title":{"rendered":"\u79d1\u6280\u8d44\u8baf\u5199\u4f5c\u5927\u8d5b\uff5cNature\u5b50\u520a\u65b0\u7a81\u7834 \u6234\u6d2a\u5174&\u65b0\u5357UNSW\uff1a\u4e09\u7ef4\u5927\u5b54\u65ad\u88c2\u518d\u7ec4\u88c5\u7684\u516d\u8db3\u866b\u7eb3\u7c73\u9499\u949b\u77ff"},"content":{"rendered":"

\"\"<\/p>\n

\u6750\u6599\u4eba\u9996\u5c4a\u79d1\u6280\u8d44\u8baf\u5199\u4f5c\u5927\u8d5b\u81ea5\u670813\u65e5\u53d1\u5e03\u5f81\u7a3f\u901a\u77e5\u4ee5\u6765\uff08\u53c2\u8d5b\u8be6\u60c5\u8bf7\u6233\u6211<\/a>\uff09\uff0c\u53d7\u5230\u8bfb\u8005\u4eec\u7684\u5e7f\u6cdb\u5173\u6ce8\u3002\u672c\u6587\u7531Helena\u6295\u7a3f\u3002<\/p>\n

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

\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u66ff\u4ee3\u8d35\u91d1\u5c5e\u8d1f\u8f7d\u578b\u50ac\u5316\u5242\u6c27\u5316\u7532\u70f7\u7684\u7814\u7a76\u4e00\u76f4\u662f\u70ed\u70b9\u95ee\u9898\u3002\u76ee\u524d\u5546\u4e1a\u5316\u7684\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\uff08Pt\u548cPd\uff09\u5b58\u5728\u6210\u672c\u9ad8\u4e14\u70ed\u7a33\u5b9a\u6027\u5dee\uff08\u8d35\u91d1\u5c5e\u9897\u7c92\u9ad8\u6e29\u56e2\u805a\u5931\u6d3b\uff09\u7b49\u7f3a\u70b9\u3002\u9499\u949b\u77ff\u578b\u50ac\u5316\u5242\uff08ABO3<\/sub>\uff09\u4f5c\u4e3a\u4e00\u79cd\u6df7\u5408\u578b\u6c27\u5316\u7269\uff0c\u7531\u4e8e\u5176\u7279\u6b8a\u7684\u6676\u4f53\u7ed3\u6784\uff0c\u5177\u6709\u4f18\u79c0\u7684\u50ac\u5316\u7a33\u5b9a\u6027\u3002\u4f5c\u4e3a\u9ad8\u6548\u50ac\u5316\u5242\uff0c\u9499\u949b\u77ff\u7684\u7814\u7a76\u5173\u952e\u5728\u4e8e\u5982\u4f55\u63d0\u9ad8\u5176\u50ac\u5316\u6027\u80fd\uff0c\u4f7f\u5f97\u7532\u70f7\u80fd\u591f\u5728\u8f83\u4f4e\u6e29\u5ea6\u4e0b\u5b8c\u5168\u6c27\u5316\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5317\u4eac\u5de5\u4e1a\u5927\u5b66\u6234\u6d2a\u5174\u6559\u6388<\/strong>\uff08Prof. Hongxing Dai<\/strong>\uff09\u518d\u5ea6\u8054\u624b\u6fb3\u6d32\u65b0\u5357\u5a01\u5c14\u58eb\u5927\u5b66Prof. Rose Amal<\/strong>, Dr. Hamid Arandiyan, Dr. Jason Scott, Dr. Hassan Tahini<\/strong> \u548cProf. Sean Smith<\/strong>\uff0c<\/strong>\u4ee5\u53ca\u79d1\u5ef7\u5927\u5b66Curtin Institute for Computation\u7684Prof. Julian Gale and Prof. Andrew Rohl<\/strong>\u5728Nature Communications<\/em><\/strong>\u5408\u4f5c\u53d1\u8868\u9898\u4e3a\u201cThe Controlled Disassembly of Mesostructured Perovskites as An Avenue to Fabricating High Performance Nanohybrid Catalysts<\/em><\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\uff08\u7b2c\u4e00\u4f5c\u8005\uff0cYuan Wang<\/strong>\uff09\uff0c\u5c06\u4e09\u7ef4\u6709\u5e8f\u5927\u5b54\u9567\u57fa\u9499\u949b\u77ff\uff08La0.6<\/sub>Sr0.4<\/sub>MnO3<\/sub>, LSMO\uff09\u7ed3\u6784\u7528\u8d85\u58f0\u79bb\u5fc3\u6cd5\u65ad\u88c2\u518d\u7ec4\u88c5\u6210\u516d\u8db3\u866b\u7eb3\u7c73\u4ecb\u5b54\u50ac\u5316\u5242\uff083D-hm LSMO\uff09\u3002Pt\u4f5c\u4e3a\u76ee\u524d\u7532\u70f7\u50ac\u5316\u6c27\u5316\u7684\u5546\u4e1a\u50ac\u5316\u5242\u867d\u7136\u5177\u6709\u8f83\u597d\u7684\u50ac\u5316\u6027\u80fd\uff0c\u4f46\u662f\u5177\u6709\u6210\u672c\u9ad8\u548c\u9ad8\u6e29\u7a33\u5b9a\u6027\u6b20\u4f73\u7b49\u7f3a\u70b9\u3002\u516d\u8db3\u866b\u7eb3\u7c73\u4ecb\u5b54LSMO\u9499\u949b\u77ff\u53ef\u4ee5\u5728\u8f83\u4f4e\u6e29\u5ea6\u4e0b\u8fdb\u884c\u7532\u70f7\u6c27\u5316\u53cd\u5e94\uff08\u5728438 \u00b0C\u4ea7\u751f90% \u8f6c\u6362\u7387\uff0c\u53cd\u5e94\u901f\u73874.84\u00d710\u20137<\/sup> mol m-2<\/sup> s-1<\/sup>\uff09\u5e76\u4e14\u5728\u9ad8\u6e29\u53cd\u5e94\u4e0b\u5177\u6709\u957f\u6548\u7684\u50ac\u5316\u7a33\u5b9a\u6027\uff08\u5728650 \u00b0C\u8fde\u7eed\u53cd\u5e9450\u5c0f\u65f6\u65e0\u6d3b\u6027\u964d\u4f4e\uff09\u3002\u8be5\u7814\u7a76\u5927\u5927\u63a8\u52a8\u4e86\u4e09\u7ef4\u9499\u949b\u77ff\u6750\u6599\u7684\u5e94\u7528\u3002<\/p>\n

\u8be5\u7814\u7a76\u6307\u51fa\uff0c\u76f8\u6bd4\u4e09\u7ef4\u5927\u5b54LSMO\u516d\u8db3\u866b\u7eb3\u7c73\u4ecb\u5b54LSMO\u9499\u949b\u77ff\u7684\u6bd4\u8868\u9762\u79ef\u6709\u6240\u63d0\u9ad8\uff0c\u7136\u800c\u901a\u8fc7\u8ba1\u7b97\u5355\u4f4d\u8868\u9762\u79ef\u50ac\u5316\u5242\u7684\u53cd\u5e94\u901f\u7387\u53d1\u73b0\u9ad8\u6bd4\u8868\u9762\u79ef\u5e76\u4e0d\u662f\u50ac\u5316\u5242\u6d3b\u6027\u63d0\u9ad8\u7684\u51b3\u5b9a\u6027\u56e0\u7d20\u3002\u4f5c\u8005\u901a\u8fc7\u9ad8\u5206\u8fa8\u900f\u5c04\u7535\u955c\u53d1\u73b0\uff0c\u516d\u8db3\u866b\u7eb3\u7c73\u9897\u7c92\u7684\u65ad\u88c2\u9762\u51fa\u73b0\u65b0\u7684\u6676\u9762\uff08001\uff09\u66b4\u9732\u3002\u56e0\u6b64\uff0c\u4f5c\u8005\u5229\u7528DFT\u8ba1\u7b97\u7814\u7a76\u4e86\u4e09\u7ef4\u5927\u5b54LSMO\u8868\u9762\u7684\u5e38\u89c4\u66b4\u9732\u6676\u9762\uff08110\uff09\u548c\u516d\u8db3\u866b\u7eb3\u7c73\u4ecb\u5b54LSMO\u8868\u9762\u65b0\u66b4\u9732\u6676\u9762\uff08001\uff09\u5bf9\u7532\u70f7\u5206\u5b50\u4e2d\u78b3\u6c22\u952e\uff08C-H\uff09\u7684\u65ad\u88c2\uff0c\u4ee5\u53ca\u8fd9\u4e24\u79cd\u6676\u9762\u5bf9\u6c27\u6c14\u5206\u5b50\u7684\u5438\u9644\u548c\u6d3b\u5316\uff0c\u53d1\u73b0\u65b0\u66b4\u9732\u6676\u9762\uff08110\uff09\u9700\u8981\u66f4\u4f4e\u7684\u80fd\u91cf\u65ad\u88c2C-H\u952e\u3002\u7531\u6b64\u53ef\u4ee5\u901a\u8fc7\u65ad\u88c2\u518d\u7ec4\u88c5LSMO\u9499\u949b\u77ff\uff0c\u66b4\u9732\u65b0\u6d3b\u6027\u6676\u9762\uff08110\uff09\uff0c\u63d0\u9ad8\u6750\u6599\u7684\u50ac\u5316\u53cd\u5e94\u901f\u7387\u5e76\u964d\u4f4e\u8868\u9762\u6d3b\u5316\u80fd\uff08Ea<\/sub><\/em>\u4ece102 kJ mol-1<\/sup>\u964d\u4f4e\u523067 kJ mol-1<\/sup>\uff09\u3002<\/p>\n

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Featured Image of Nature Communications<\/strong><\/p>\n

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

\u56fe<\/strong>1<\/strong>\uff1a\u516d\u8db3\u866b\u7eb3\u7c73\u4ecb\u5b54<\/strong>LSMO<\/strong>\u50ac\u5316\u5242\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u516d\u8db3\u866b\u7eb3\u7c73\u4ecb\u5b54LSMO\u4ee5\u4e09\u7ef4\u6709\u5e8f\u5927\u5b54LSMO\uff08PMMA\u6a21\u677f\u6cd5\u5236\u5907\uff09\u4e3a\u524d\u9a71\u6750\u6599\uff0c\u91c7\u7528\u8d85\u58f0\u79bb\u5fc3\u5206\u79bb\u6cd5\u5236\u5907\u800c\u6210\uff1a\u8d85\u58f0\u65ad\u88c2\u79bb\u5fc3\u5206\u79bb\u518d\u7ec4\u88c5\u3002<\/p>\n

\u56fe<\/strong>2<\/strong>\uff1a<\/strong>LSMO<\/strong>\u50ac\u5316\u5242\u7535\u955c\u900f\u5c04\u56fe\u7247<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a-b\uff09\u4e09\u7ef4\u6709\u5e8f\u5927\u5b54LSMO\uff1b<\/p>\n

\uff08d-f\uff09\u516d\u8db3\u866b\u7eb3\u7c73\u4ecb\u5b54LSMO\uff1b<\/p>\n

\uff08g\uff09\u516d\u8db3\u866b\u7eb3\u7c73\u4ecb\u5b54LSMO\u5f62\u8c8c\u56fe\uff08topography\uff09\uff1b<\/p>\n

\uff08h\uff09\u516d\u8db3\u866b\u7eb3\u7c73\u4ecb\u5b54LSMO EDS\u5143\u7d20\u5206\u5e03\u56fe\uff1b<\/p>\n

\uff08c\uff09\u4e09\u7ef4\u6709\u5e8f\u5927\u5b54LSMO\u8868\u9762\u6676\u683c\uff08110\uff09\uff1b<\/p>\n

\uff08i\uff09\u516d\u8db3\u866b\u7eb3\u7c73\u4ecb\u5b54LSMO\u8868\u9762\u6676\u683c\uff08001\uff09\uff1b<\/p>\n

\u6807\u5c3a\u8bf4\u660e\uff1a\u56fea, d, e\u8868\u793a300 nm. \u56fe b, f, h\u8868\u793a20 nm. \u56fe c, i\u8868\u793a5 nm\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\uff1a<\/strong> HAADF-STEM<\/strong>\u900f\u5c04\u7535\u955c\u56fe\u7247\uff08\u4e00\uff09<\/strong><\/p>\n

\"\"<\/p>\n

\u6807\u5c3a\u8bf4\u660e\uff1a\u56fea, b\u8868\u793a10 nm\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>\uff1a<\/strong>HAADF-STEM<\/strong>\u900f\u5c04\u7535\u955c\u56fe\u7247\uff08\u4e8c\uff09<\/strong><\/p>\n

\"\"<\/p>\n

\u6807\u5c3a\u8bf4\u660e\uff1a\u56fea\u8868\u793a5 nm\u3002<\/p>\n

HAADF-STEM \u56fe\u7247\u8bc1\u660e\u4e86\u5728\u516d\u8db3\u866b\u7ed3\u6784\u8868\u9762\u548c\u65ad\u9762\u66b4\u9732\u7684\u4e0d\u540c\u6676\u9762\u3002<\/p>\n

\u56fe<\/strong>5<\/strong>\uff1a<\/strong> LSMO<\/strong>\u8868\u9762\u7269\u79cd\u548c\u50ac\u5316\u6027\u80fd\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

A\uff1aXPS\u663e\u793aLSMO\u50ac\u5316\u5242\u8868\u9762\u6c27\u7269\u79cd\u5206\u5e03\uff1b<\/p>\n

B\uff1a\u7532\u70f7\u8f6c\u6362\u7387\u548c\u53cd\u5e94\u901f\u7387\u968f\u53cd\u5e94\u6e29\u5ea6\u7684\u53d8\u5316\uff1b<\/p>\n

C\uff1aO2<\/sub>-TPO\u663e\u793aLSMO\u50ac\u5316\u5242\u8868\u9762\u5438\u9644\u6c27\u7269\u79cd\u7684\u5206\u5e03\u4ee5\u53ca\u6676\u683c\u6c27\u7269\u79cd\u7684\u79fb\u52a8\u6027\uff1b<\/p>\n

D\uff1a\u4e0d\u540c\u7ed3\u6784\u7684LSMO\u50ac\u5316\u5242\u8868\u9762\u6c27\u7269\u79cd\u5206\u5e03\uff0c\u6d3b\u5316\u80fd\uff0c\u6bd4\u8868\u9762\u79ef\u548c\u53cd\u5e94\u901f\u7387\u7684\u5173\u7cfb\u56fe\uff1b<\/p>\n

\u56fe<\/strong>6<\/strong>\uff1a<\/strong>DFT<\/strong>\u5206\u6790\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

CH4<\/sub>\u7ed3\u6784\u5728\u4e0d\u540c\u6676\u9762\uff08001\uff09\u548c\uff08110\uff09\u4e0a\u7684\u7a33\u5b9a\u5438\u9644\u3002<\/p>\n

\uff08a\uff09\u663e\u793a\u4e86CH4<\/sub>\u5206\u5b50\u5728Mn\u4e0a\u7684\u5438\u9644\uff1b<\/p>\n

\uff08b\uff09\u4e3aCH4<\/sub>\u5206\u5b50\u5728\uff08001\uff09MnO2<\/sub>\u5438\u9644\u8868\u9762\u4e0a\u7684O\u7684\u5438\u9644\uff1b<\/p>\n

\uff08c\uff09\u4e3aCH4<\/sub>\u5206\u5b50\u5728\uff08001\uff09SrO\u5438\u9644\u8868\u9762\u4e0a\u7684O\u7684\u5438\u9644\uff1b<\/p>\n

\uff08d\uff09\u4e3aCH4<\/sub>\u5206\u5b50\u5728\uff08110\uff09\u8868\u9762\u7684\u5438\u9644\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>The controlled disassembly of mesostructured perovskites as an avenue to fabricating high performance nanohybrid catalysts<\/a>(Yuan Wang, Hamidreza Arandiyan, Hassan A. Tahini, Jason Scott, Xin Tan, Hongxing Dai, Julian D. Gale, Andrew L. Rohl, Sean C. Smith & Rose Amal,<\/em> Nature Communications<\/strong>, 2017<\/em>, 8, 15553, doi:10.1038\/ncomms15553)<\/p>\n

\u4f5c\u8005\u5176\u4ed6\u76f8\u5173\u8bba\u6587\uff1a<\/u><\/strong><\/p>\n