{"id":230078,"date":"2021-11-27T06:30:01","date_gmt":"2021-11-26T22:30:01","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=230078"},"modified":"2021-11-26T17:20:22","modified_gmt":"2021-11-26T09:20:22","slug":"%ef%bc%88%e5%b7%b2%e6%a0%a1%e7%a8%bf%e4%bb%b6%ef%bc%89%e4%b8%8a%e7%a7%91%e5%a4%a7%e8%8b%8f%e9%bb%8e%e4%b8%96%e8%81%94%e9%82%a6%e7%90%86%e5%b7%a5-nature-catalysis%ef%bc%9a%e5%8d%95%e5%8e%9f","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=230078","title":{"rendered":"\u4e0a\u79d1\u5927&\u82cf\u9ece\u4e16\u8054\u90a6\u7406\u5de5 Nature Catalysis\uff1a\u5355\u539f\u5b50\u50ac\u5316\u6700\u65b0\u8fdb\u5c55\uff01"},"content":{"rendered":"

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u5355\u539f\u5b50\u5206\u6563\u91d1\u5c5e\u50ac\u5316\u5242\uff08\u5373\u5355\u539f\u5b50\u50ac\u5316\u5242\uff0cSACs\uff09\u5177\u6709\u72ec\u7279\u7684\u7ed3\u6784\u548c\u6027\u80fd\uff0c\u56e0\u800c\u8fd1\u5e74\u6765\u53d7\u5230\u5e7f\u6cdb\u7684\u5173\u6ce8\u3002\u5176\u4e2d\uff0c\u6700\u5927\u5316\u7684\u91d1\u5c5e\u5206\u6563\u5ea6\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u8d35\u91d1\u5c5e\u5229\u7528\u7684\u539f\u5b50\u6548\u7387\uff0c\u800c\u4e14\u8fd8\u4e3a\u6d3b\u6027\u4e2d\u5fc3\u63d0\u4f9b\u4e86\u975e\u5e38\u89c4\u7684\u51e0\u4f55\u548c\u7535\u5b50\u7ed3\u6784\uff0c\u4f7f\u5f97\u5355\u539f\u5b50\u5206\u6563\u91d1\u5c5e\u50ac\u5316\u5242\u5177\u6709\u72ec\u7279\u7684\u50ac\u5316\u6027\u80fd\u3002\u867d\u7136\u4eba\u4eec\u5728\u5f00\u53d1\u5408\u6210\u65b9\u6cd5\u548c\u63cf\u8ff0\u50ac\u5316\u884c\u4e3a\u65b9\u9762\u505a\u4e86\u5927\u91cf\u7814\u7a76\uff0c\u4f46\u662f\u5728\u539f\u5b50\u5c3a\u5ea6\u4e0a\u7406\u89e3\u5355\u539f\u5b50\u5206\u6563\u50ac\u5316\u5242\u7684\u7ed3\u6784-\u529f\u80fd\u5173\u7cfb\u4ecd\u7136\u662f\u4e00\u4e2a\u6311\u6218\u3002\u5176\u96be\u70b9\u5728\u4e8e\u63a7\u5236\u548c\u8868\u5f81\u5355\u4e2a\u539f\u5b50\u5468\u56f4\u7684\u914d\u4f4d\u73af\u5883\uff0c\u800c\u5176\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u51b3\u5b9a\u4e86\u50ac\u5316\u6027\u80fd\u3002<\/p>\n

\u8fd9\u4e00\u96be\u9898\u4e3b\u8981\u6709\u4ee5\u4e0b\u56e0\u7d20\u5bfc\u81f4\uff1a\uff081\uff09\u8f7d\u4f53\u8868\u9762\u7684\u4e0d\u5747\u4e00\u6027\uff0c\u4f8b\u5982\u7ed3\u5408\u4f4d\u70b9\uff08\u89d2\u3001\u8fb9\u548c\u9762\uff09\u3001\u7f3a\u9677\u4f4d\u70b9\uff08\u7a7a\u4f4d\u3001\u53f0\u9636\u3001\u6676\u754c\u7b49\uff09\u548c\u975e\u6676\u6001\u7ed3\u6784\uff08\u6c34\u5408\u5c42\u3001\u975e\u6676\u6001\u8f7d\u4f53\u7b49\uff09\uff1b\uff082\uff09\u4f20\u7edf\u50ac\u5316\u5242\u5236\u5907\u65b9\u6cd5\u6d89\u53ca\u7684\u8868\u9762\u5316\u5b66\u7684\u590d\u6742\u6027\uff1b\uff083\uff09\u5355\u539f\u5b50\u7684\u52a8\u6001\u884c\u4e3a\uff1b\uff084\uff09\u7f3a\u4e4f\u53ef\u7528\u7684\u8868\u5f81\u6280\u672f\u6765\u63a2\u6d4b\u4e0e\u5355\u539f\u5b50\u76f4\u63a5\u7ed3\u5408\u7684\u914d\u4f53\u539f\u5b50\uff08\u4e3b\u8981\u662fC\u3001N\u548c\/\u6216O\uff09\u3002\u914d\u4f53\uff08\u8f7d\u4f53\uff09\u548c\u91d1\u5c5e\u4e2d\u5fc3\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u6709\u5f85\u8fdb\u4e00\u6b65\u7684\u6df1\u5165\u7406\u89e3\u3002
\n \"\"<\/p>\n

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

\u8fd1\u65e5\uff0c\u745e\u58eb\u82cf\u9ece\u4e16\u8054\u90a6\u7406\u5de5\u5927\u5b66Christophe Cop\u00e9ret\u548c\u4e0a\u6d77\u79d1\u6280\u5927\u5b66\u5218\u670b\u6615\u7814\u7a76\u5458\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u62a5\u9053\u4e86\u4f7f\u7528\u5355\u6676MgO\uff08111\uff09\u4e8c\u7ef4\uff082D\uff09\u7eb3\u7c73\u7247\u548c\u8868\u9762\u6709\u673a\u91d1\u5c5e\u5316\u5b66\uff08SOMC\uff09\u65b9\u6cd5\uff0c\u63cf\u8ff0\u4e86\u5177\u6709\u660e\u786e\u914d\u4f4d\u7ed3\u6784\u7684\u9ad8\u5ea6\u5206\u6563\u7684\u4e09\u4ef7\u94f1\uff08Ir(III)\uff09\u50ac\u5316\u5242\uff080.1 wt%\u65f6\u5355\u539f\u5b50\u5206\u6563\uff0c1 wt%\u65f6\u4e3a\u5355\u539f\u5b50\uff0c\u53cc\u539f\u5b50\u548c\u4e09\u539f\u5b50\u56e2\u7c07\uff09\u7684\u5f62\u6210\u3002\u5176\u4e2d\uff0c\u5355\u6676MgO\uff08111\uff092D\u7eb3\u7c73\u7247\u4f5c\u4e3a\u8f7d\u4f53\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u6bd4\u8868\u9762\u79ef\u3001\u5f3a\u7ed3\u5408\u4f4d\u70b9\u548c\u5747\u5300\u7684\u914d\u4f4d\u73af\u5883\uff1b\u8868\u9762\u6709\u673a\u91d1\u5c5e\u5316\u5b66\u6cd5\uff08SOMC\uff09\u901a\u8fc7\u63a5\u679d\u53ef\u4ee5\u9009\u62e9\u6027\u5730\u951a\u5b9a\u6d3b\u6027\u4e2d\u5fc3\uff1b\u7814\u7a76\u53d1\u73b0\uff0c\u8be5\u50ac\u5316\u5242\u5728\u82ef\u548c\u4e59\u70ef\u7684\u5076\u8054\u53cd\u5e94\u4e2d\u663e\u793a\u51fa\u72ec\u7279\u7684\u50ac\u5316\u6027\u80fd\uff0c\u4ea7\u7269\u4e3a\u82ef\u4e59\u70ef\uff0c\u800c\u4e0d\u662f\u5e38\u89c4\u5747\u76f8\u548c\u975e\u5747\u76f8Ir\u57fa\u50ac\u5316\u5242\u4f53\u7cfb\u4e2d\u751f\u6210\u7684\u4e59\u82ef\u3002\u53e6\u5916\uff0c\u9ad8\u8d1f\u8f7d\u548c\u4f4e\u8d1f\u8f7d\u50ac\u5316\u5242\u7684\u76f8\u4f3c\u6d3b\u6027\u8868\u660e\uff0cIr\u4f4d\u70b9\uff0c\u65e0\u8bba\u662f\u5355\u5206\u6563\u7684\u8fd8\u662f\u4ee5\u56e2\u7c07\u7684\u5f62\u5f0f\uff08\u5982Ir3\uff09\u90fd\u5177\u6709\u76f8\u4f3c\u7684\u6d3b\u6027\uff0c\u8fd9\u63d0\u793a\u4e86\u8868\u9762\u7684\u52a8\u6001\u8fc7\u7a0b\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cAtomically dispersed iridium on MgO(111) nanosheets catalyses benzene-ethylene coupling towards styrene\u201d<\/strong>\u53d1\u5e03\u5728\u56fd\u9645\u8457\u540d\u671f\u520aNature Catalysisy<\/strong>\u4e0a\u3002
\n \"\"\u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n

\u56fe\u4e00\u3001\u6750\u6599\u5236\u5907\u548c\u8868\u5f81<\/strong>
\n \"\"\uff08a\uff09\u5728MgO-NS\u4e0a\u63a5\u679dIr(COD)(acac)\uff0c\u7136\u540e\u7145\u70e7\u5f62\u6210Ir\/MgO-cal\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b\uff09\u8f7d\u4f53\u3001\u63a5\u679d\u548c\u7145\u70e7\u6750\u6599\u7684\u7ea2\u5916\u8868\u5f81\uff1b<\/p>\n

\uff08c\uff09\u5728MgO-NS\u4e0a\u63a5\u679dIr(COD)(acac)\u7684FT\u6269\u5c55X\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784\u5149\u8c31\uff1b<\/p>\n

\uff08d-e\uff090.1 wt%\u548c1 wt% Ir\/MgO-cal\u50ac\u5316\u5242\u7684\u4ee3\u8868\u6027ADF-STEM\u56fe\u50cf\u3002<\/p>\n

\u56fe\u4e8c\u3001Ir\/MgO-cal\u7684\u8868\u5f81<\/strong>
\n \"\"\uff08a_b\uff09Ir LIII\u8fb9\u7f18XANES\u548cFT\u6269\u5c55\u4e861 wt% Ir\/MgO-cal\u7684X\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784\u5149\u8c31\uff0c\u4ee5\u5757\u72b6Ir\u548cIrO2<\/sub>\u4f5c\u4e3a\u53c2\u8003\uff1b<\/p>\n

\uff08c\uff091 wt% Ir\/MgO-cal\u76844f XPS\u5149\u8c31\uff1b<\/p>\n

\uff08d\uff09\u793a\u610f\u56fe\u7684\u9876\u89c6\u56fe\u548c\u4fa7\u89c6\u56fe\uff0c\u663e\u793a\u4e86Ir\u4e09\u805a\u4f53\u548c\u5355\u4f53\u5728MgO(111)\u4e0a\u7684\u53ef\u80fd\u914d\u4f4d\u7ed3\u6784\u3002<\/p>\n

\u56fe\u4e09\u3001\u53cd\u5e94\u673a\u7406\u7814\u7a76<\/strong>
\n \"\"\uff08a\uff09\u4f7f\u75283.2 mm\u63a2\u9488\u548c16 kHz MAS\u5728400 MHz\u4e0b\u8bb0\u5f55\u7528\u8fc7\u7684Ir\/MgO-cal\u76842D-1<\/sup>H 13<\/sup>C\u6838\u78c1\u5171\u632f\u8c31\uff1b<\/p>\n

\uff08b\uff09\u82ef\u548c\u4e59\u70ef\u5076\u8054\u5f62\u6210\u82ef\u4e59\u70ef\u7684\u53ef\u80fd\u50ac\u5316\u5faa\u73af\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe\u56db\u3001\u53cd\u5e94\u540e\u50ac\u5316\u5242\u7684\u8868\u5f81<\/strong>
\n \"\"\uff08a-b\uff09\u4f7f\u7528\u8fc7\u76841 wt%\u548c0.1 wt% Ir\/MgO-cal\u50ac\u5316\u5242\u7684\u4ee3\u8868\u6027ADF-STEM\u56fe\u50cf\u3002<\/p>\n

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

\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u4f7f\u7528SOMC\u65b9\u6cd5\u548c\u7ed3\u6784\u660e\u786e\u7684MgO(111)\u7eb3\u7c73\u7247\uff0c\u5236\u5907\u4e86\u539f\u5b50\u5206\u6563\u7684\u94f1\uff08Ir\uff09\u3002\u57281 wt%\u7684\u8d1f\u8f7d\u91cf\u4e0b\uff0c\u4e3b\u8981\u7269\u79cd\u4e3a\u5355\u539f\u5b50\u5206\u6563Ir\u5355\u539f\u5b50\u548c\u7531O-\u6865\u63a5\u7684Ir\u4e8c\u805a\u4f53\u548c\u4e09\u805a\u4f53\uff1b\u800c\u5728\u8d1f\u8f7d\u91cf\u8f83\u4f4e\u7684\u60c5\u51b5\u4e0b\uff0c\u7531\u4e8e\u8f7d\u4f53\u7684\u5747\u5300\u8868\u9762\u7ed3\u6784\uff0c\u6240\u6709Ir\u5355\u539f\u5b50\u90fd\u5177\u6709\u76f8\u540c\u7684\u914d\u4f4d\u7ed3\u6784\u3002\u8fd9\u4e24\u79cd\u50ac\u5316\u5242\u5728\u82ef\u548c\u4e59\u70ef\u5076\u8054\u5f62\u6210\u82ef\u4e59\u70ef\u4e2d\u5747\u8868\u73b0\u51fa\u6d3b\u6027\uff0c\u8fd9\u4e0d\u540c\u4e8e\u5747\u76f8\u50ac\u5316\u5242\u548c\u5176\u4ed6\u5355\u539f\u5b50\u5206\u6563\u7684Ir\u50ac\u5316\u5242\u7684\u884c\u4e3a\u3002\u901a\u8fc7XAS\u3001XPS\u548cADF-STEM\u8868\u660e\uff0c\u50ac\u5316\u53cd\u5e94\u540eIr\u7269\u79cd\u7684\u5355\u539f\u5b50\u5206\u6563\u4fdd\u6301\u4e0d\u53d8\uff0c\u53ef\u80fd\u662f\u7531\u4e8eIr\u548cMgO(111)\u8f7d\u4f53\u4e4b\u95f4\u7684\u5f3a\u79bb\u5b50\u76f8\u4e92\u4f5c\u7528\u3002\u8be5\u7814\u7a76\u8bf4\u660e\u4e86SOMC\u65b9\u6cd5\u4e0e\u6676\u4f532D\u8f7d\u4f53\u76f8\u7ed3\u5408\u7684\u529b\u91cf\u8fd9\u79cd\u65b9\u6cd5\u5f00\u8f9f\u4e86\u66f4\u597d\u5730\u7406\u89e3\u7ed3\u6784\u529f\u80fd\u5173\u7cfb\u7684\u53ef\u80fd\u6027\uff0c\u4e0d\u4ec5\u63d0\u4f9b\u4e86\u5f25\u5408\u5747\u76f8\u548c\u975e\u5747\u76f8\u50ac\u5316\u4e4b\u95f4\u5dee\u8ddd\u7684\u673a\u4f1a\uff0c\u800c\u4e14\u8fd8\u63d0\u4f9b\u4e86\u53d1\u73b0\u65b0\u53cd\u5e94\u7684\u673a\u4f1a<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aAtomically dispersed iridium on MgO(111) nanosheets catalyses benzene-ethylene coupling towards styrene<\/a><\/strong>. Nature Catalysis<\/em>, 2021<\/strong>, DOI: 10.1038\/s41929-021-00700-3.<\/p>\n

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

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1\uff1atougao@cailiaoren.com.<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu.<\/p>\n","protected":false},"excerpt":{"rendered":"

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