{"id":247585,"date":"2023-02-27T06:09:26","date_gmt":"2023-02-26T22:09:26","guid":{"rendered":"\/\/m.iemloyee.com\/?p=247585"},"modified":"2023-02-24T16:09:43","modified_gmt":"2023-02-24T08:09:43","slug":"%e6%9c%80%e6%96%b0nat-catal-%e8%b6%85%e5%b0%8f%e6%97%a0%e5%ae%9a%e5%bd%a2%e6%b0%a7%e5%8c%96%e9%94%86%e7%ba%b3%e7%b1%b3%e9%a2%97%e7%b2%92%e5%82%ac%e5%8c%96%e8%81%9a%e7%83%af%e7%83%83%e6%b0%a2%e8%a7%a3","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=247585","title":{"rendered":"\u6700\u65b0Nat.Catal: \u8d85\u5c0f\u65e0\u5b9a\u5f62\u6c27\u5316\u9506\u7eb3\u7c73\u9897\u7c92\u50ac\u5316\u805a\u70ef\u70c3\u6c22\u89e3"},"content":{"rendered":"

\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong><\/span><\/p>\n

\u00a0 \u8fd1\u5e74\u6765\uff0c\u65e5\u76ca\u4e25\u91cd\u7684\u5168\u7403\u5851\u6599\u5783\u573e\uff08\u767e\u5146\u5428\uff09\u5371\u673a\u4fc3\u4f7f\u4e86\u805a\u70ef\u70c3\u6c22\u89e3\u50ac\u5316\u5242\u7684\u7814\u7a76\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u4e0d\u53ef\u8fd8\u539f\u91d1\u5c5e\u6c27\u5316\u7269\u539f\u4f4d\u8f6c\u5316\u4e3a\u91d1\u5c5e\u6c22\u5316\u7269\u548c\u91d1\u5c5e\u70f7\u57fa\uff0c\u7279\u522b\u662f\u5728\u5177\u6709\u5171\u5b9a\u4f4d\u8868\u9762\u9178\u4f4d\u70b9\u7684\u6750\u6599\u4e2d\uff0c\u53ef\u4ee5\u4ea7\u751f\u72ec\u7279\u7684\u591a\u529f\u80fd\u53cd\u5e94\u673a\u5236\u3002\u8fd9\u79cd\u6709\u673a\u91d1\u5c5e\u6c27\u5316\u7269\u50ac\u5316\u5242\u5bf9\u4e8e\u78b3\u6c22\u5316\u5408\u7269\u4e2d\u78b3-\u78b3\u952e\u9009\u62e9\u6027\u88c2\u89e3\u5177\u6709\u91cd\u8981\u7684\u610f\u4e49\u3002\u7136\u800c\uff0c\u6709\u5173\u6709\u673a\u9506\u4ecb\u5bfc\u7684\u03b2-\u70f7\u57fa\u6d88\u9664\u78b3-\u78b3\u952e\u88c2\u89e3\u7684\u7814\u7a76\u5341\u5206\u7a00\u5c11\u3002\u56e0\u6b64\uff0c\u5408\u7406\u8bbe\u8ba1\u548c\u5b9e\u73b0\u9ad8\u50ac\u5316\u6d3b\u6027\u7684\u6709\u673a\u9506\u4ecb\u5bfc\u7684\u78b3\u6c22\u5316\u5408\u7269\u6c22\u89e3\u662f\u4e00\u9879\u91cd\u8981\u7684\u7814\u7a76\u3002<\/p>\n

\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/span><\/p>\n

\u00a0 \u8fd1\u65e5\uff0c\u7231\u8377\u534e\u5dde\u7acb\u5927\u5b66Wenyu Huang\u3001Aaron D. Sadow\u4ee5\u53ca\u5357\u5361\u7f57\u6765\u7eb3\u5927\u5b66Andreas Heyden\u7b49\u4eba\u53d1\u73b0\u5e76\u8bc1\u660e\u5730\u7403\u4e0a\u542b\u91cf\u4e30\u5bcc\u7684\u3001\u4e0d\u53ef\u8fd8\u539f\u7684\u8d85\u5c0f\u65e0\u5b9a\u5f62\u6c27\u5316\u9506\u80fd\u591f\u50ac\u5316\u805a\u70ef\u70c3\u7684\u6c22\u89e3\uff0c\u5176\u6d3b\u6027\u4e0e\u8d35\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\u76f8\u5f53\u3002\u76f8\u5173\u7684\u7814\u7a76\u6210\u679c\u4ee5\u201cUltrasmall amorphous zirconia nanoparticles catalyse polyolefin hydrogenolysis<\/em><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nature Catalysis<\/em><\/strong>\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/span><\/p>\n

\u00a0 1\u3001<\/strong>\u4f5c\u8005\u8bbe\u8ba1\u51fa\u65b0\u578b\u7684\u50ac\u5316\u5242\u7ed3\u6784\u3002\u901a\u8fc7\u8d85\u5c0f\u7684\u65e0\u5b9a\u5f62\u6c27\u5316\u9506\u7eb3\u7c73\u9897\u7c92\u56fa\u5b9a\u5728\u4e24\u4e2a\u878d\u5408\u7684\u4ecb\u5b54\u4e8c\u6c27\u5316\u7845\u8584\u7247\u4e4b\u95f4\uff08<\/strong>L-ZrO2\u00a0<\/sub>@mSiO2<\/sub>\uff09\u3002\u8be5\u7ed3\u6784\u589e\u5f3a\u4e86\u6c27\u5316\u9506\u7684\u50ac\u5316\u6d3b\u6027\uff0c\u4f7f\u5176\u4e0ePt\/C<\/strong>\u76f8\u5f53\uff0c\u5e76\u63d0\u9ad8\u4e86\u5176\u5bf9\u6db2\u4f53\u4ea7\u7269\u7684\u9009\u62e9\u6027\u3002<\/strong><\/p>\n

\u00a0 2<\/strong>\u3001\u7814\u7a76\u53d1\u73b0\u5927\u5206\u5b50\u901a\u8fc7\u5f84\u5411\u4ecb\u5b54\u4ece\u672c\u4f53\u8f6c\u79fb\u5230\u9ad8\u5ea6\u6d3b\u6027\u7684\u6c27\u5316\u9506\u9897\u7c92\u4e0a\uff0c\u5e76\u7ecf\u5386\u9009\u62e9\u6027\u7684\u6c22\u88c2\u89e3\uff0c\u5f62\u6210\u7a84\u7684<\/strong>C18<\/sub><\/strong>\u4e2d\u5fc3\u3002<\/strong> \u6b64\u5916\uff0c\u8ba1\u7b97\u8868\u660e\u4e0d\u9971\u548c\u8868\u9762\u4f4d\u7f6e\u7684<\/strong>Zr(O)2<\/sub>\u7ed3\u6784\u7684<\/strong>Zr\u2013O<\/strong>\u952e\u4e0a\u7684<\/strong>C\u2013H<\/strong>\u952e\u5f02\u88c2\u4ea7\u751f\u4e86\u4e00\u4e2a\u70c3\u57fa\u9506\uff0c\u5176\u901a\u8fc7<\/strong>\u03b2-<\/strong>\u70f7\u57fa\u6d88\u9664\u88c2\u89e3<\/strong>C\u2013C<\/strong>\u952e\u3002<\/strong><\/p>\n

\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/span><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>1<\/strong> \u00a0L-ZrO2\u00a0<\/sub>@mSiO2<\/sub>\u7684\u5236\u5907\u3002L-ZrO2\u00a0<\/sub>@mSiO2<\/sub>\u7684\u5236\u5907\u5305\u62ec\u4e09\u4e2a\u6b65\u9aa4\uff1a(1) ZrOx <\/sub>(OH)4\u20132\u00a0x<\/sub>\u7eb3\u7c73\u9897\u7c92\u6c89\u6dc0-\u6c89\u79ef\u5230\u6c27\u5316\u77f3\u58a8\u70ef\u4e0a\uff0c(2a) mSiO2<\/sub>\u6d82\u5c42\u5230ZrOx <\/sub>(OH)4\u20132\u00a0x<\/sub>\/\u6c27\u5316\u77f3\u58a8\u70ef\u548c(2b)\u5728550 \u00b0C\u4e0b\u7145\u70e7\u3002\u00a92023 The Author(s)<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2<\/strong> \u00a0ZrO2<\/sub>\u50ac\u5316\u5242\u7684\u7535\u5b50\u663e\u5fae\u955c\u548cX\u5c04\u7ebf\u5438\u6536\u5149\u8c31\u8868\u5f81\u3002L-ZrO2\u00a0<\/sub>@mSiO2<\/sub>\u7684\u4f4e\u500d\u7387 (\u00a0a\u00a0) \u548c\u9ad8\u500d\u7387 (\u00a0b\u00a0) \u9ad8\u89d2\u5ea6\u73af\u5f62\u6697\u573a (HAADF) STEM \u56fe\u50cf\u3002\u901a\u8fc7\u663e\u5fae\u5207\u7247\u5236\u5907\u7684L-ZrO2\u00a0<\/sub>@mSiO2<\/sub>\u9897\u7c92\u6a2a\u622a\u9762\u7684\u4f4e\u500d\u7387(\u00a0c\u00a0)\u548c\u9ad8\u5206\u8fa8\u7387(\u00a0d )HAADF STEM \u56fe\u50cf\u3002\u9ad8\u500d HAADF STEM \u56fe\u50cf( e )\u548c\u76f8\u5e94\u7684\u80fd\u91cf\u8272\u6563X\u5c04\u7ebf\u5149\u8c31\u5143\u7d20\u6620\u5c04\u3002L-ZrO2\u00a0<\/sub>@mSiO2<\/sub>\u548c\u5bf9\u7167\u6837\u54c1\u7684\u5f52\u4e00\u5316 Zr k-edge X \u5c04\u7ebf\u5438\u6536\u8fd1\u8fb9\u7ed3\u6784\u5149\u8c31 (\u00a0g\u00a0) \u548ck2<\/sub>-weighted \u7684EXAFS \u5149\u8c31(\u00a0h )\u3002\u00a92023 The Author(s)<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>3<\/strong> ZrO2<\/sub>\u50ac\u5316\u5242\u7684\u56fa\u6001 NMR \u5149\u8c31\u3002L-ZrO2\u00a0<\/sub>@mSiO2<\/sub>\u00a0(\u00a0a\u00a0) \u548c\u5355\u659cZrO2<\/sub>-30\u7eb3\u7c73\u9897\u7c92(\u00a0b\u00a0)\u7684\u76f4\u63a5 DNP \u589e\u5f3a17<\/sup>O Hahn\u56de\u6ce2\u5149\u8c31\u3002 L-ZrO2\u00a0<\/sub>@mSiO2<\/sub> (\u00a0c\u00a0) \u548cZrO2<\/sub>-30\u7eb3\u7c73\u9897\u7c92(\u00a0d\u00a0)\u7684\u95f4\u63a5DNP \u589e\u5f3a\u768417<\/sup>O{1<\/sup>H} PRESTO NMR\u5149\u8c31\u3002\u00a92023 The Author(s)<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4<\/strong>\u00a0 L-ZrO2\u00a0<\/sub>@mSiO2<\/sub>\u548c\u5bf9\u7167\u50ac\u5316\u5242\u7684\u6c22\u89e3\u7ed3\u679c\u3002\uff08a\uff09\u805a\u4e59\u70ef\u7684\u65f6\u95f4\u4f9d\u8d56\u6027\u8f6c\u5316\u7387\uff0c\u6db2\u4f53\u4ea7\u7387\u548c\u6325\u53d1\u7269\u4ea7\u7387\u3002\uff08b\uff09L-ZrO2\u00a0<\/sub>@mSiO2<\/sub>\u50ac\u5316\u805a\u4e59\u70ef\u6c22\u89e32\u30014\u30016\u30018\u300112\u548c20 h\u540e\u6db2\u6001\u4ea7\u7269\u7684\u78b3\u6570\u5206\u5e03\u3002\uff08c\uff09C\u2013C \u952e\u88c2\u89e3\u6d3b\u6027\u548c\u805a\u4e59\u70ef\u8f6c\u5316\u7387\u3002\uff08d\uff09 L-ZrO2\u00a0<\/sub>@mSiO2<\/sub>\u50ac\u5316\u6c22\u89e3\u4e2d\u77ed\u3001\u957f\u548c\u8d85\u9ad8\u5206\u5b50\u91cf\u9ad8\u5bc6\u5ea6\u805a\u4e59\u70ef\uff08UHMWPE\uff09\u4ee5\u53ca\u7ebf\u6027\u548c\u652f\u5316\u805a\u5408\u7269\u7684C-C\u952e\u65ad\u88c2\u53cd\u5e94\u6027\u6bd4\u8f83\u3002\uff08e\uff09\u7531L-ZrO2\u00a0<\/sub>@mSiO2<\/sub>\uff0cZrO2<\/sub>-30, Imp-ZrO2\u00a0<\/sub>\/mSiO2<\/sub>\u548cZrO2<\/sub>-6\/mSiO2<\/sub>\u50ac\u5316\u7684\u6db2\u6001\u4ea7\u7269\u7684\u78b3\u6570\u5206\u5e03\u3002\u00a92023 The Author(s)<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>5<\/strong> \u8ba1\u7b97\u7684ZrO2<\/sub>\u952e\u6fc0\u6d3b\u3002Zr(O)2<\/sub>\/ZrO2<\/sub>\u00a0( a0 ) \u548cHZr(OH)(O)\/ZrO2<\/sub>\u00a0(\u00a0b0\u00a0) \u539f\u5b50\u6a21\u578b\u4e0a\u5df1\u70f7\u521d\u59cb C-H \u952e\u6d3b\u5316\u7684\u4e2d\u95f4\u4f53\u548c\u8fc7\u6e21\u6001 (TS) \u4f18\u5316\u7ed3\u6784\u7684\u4fa7\u89c6\u56fe\uff0c\u5747\u5f62\u6210 H13<\/sub>C6<\/sub>Zr(OH)(O)\/ZrO2\u00a0(\u00a0a2\u00a0)\u3002\u00a92023 The Author(s)<\/p>\n

\"\"<\/p>\n

\u56fe6 \u78b3\u6c22\u5316\u5408\u7269\u6c22\u89e3\u7684\u8ba1\u7b97\u673a\u7406\u6a21\u578b\u3002\uff08a\uff09Zr(O)2<\/sub>\u00a0\/m-ZrO2<\/sub>\u548c H\u2013Zr(O)(OH)\/m-ZrO2<\/sub>\u6a21\u578b\u4e0a\u8003\u8651\u7684\u6b63\u5df1\u70f7\u6c22\u89e3\u53cd\u5e94\u8def\u5f84\u793a\u610f\u56fe\u3002\uff08b\uff09\u76f8\u5e94\u7684\u81ea\u7531\u80fd\u66f2\u7ebf\u3002\uff08c\uff09\u4e3a C-C \u952e\u89e3\u79bb\u8ba1\u7b97\u7684\u8fc7\u6e21\u6001\u3002 \u00a92023 The Author(s)<\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/span><\/p>\n

\u00a0 \u7efc\u4e0a\u6240\u8ff0\uff0c\u4ece\u4e00\u5b9a\u610f\u4e49\u4e0a\u8bf4\uff0cL-ZrO2<\/sub>@mSiO2<\/sub>\u7684\u6c22\u89e3\u662f\u8868\u9762\u6709\u673a\u91d1\u5c5e\u5316\u5b66\uff08SOMC\uff09\u50ac\u5316C-C\u88c2\u89e3\u8fc7\u7a0b\u7684\u4e00\u79cd\u4ee5\u524d\u672a\u88ab\u8ba4\u8bc6\u5230\u7684\u975e\u5747\u76f8\u7c7b\u4f3c\u7269\u3002\u4ece\u5b9e\u7528\u89d2\u5ea6\u6765\u770b\uff0cL-ZrO2<\/sub>@mSiO2<\/sub>\u53ef\u4ee5\u5728\u4e00\u5b9a\u73af\u5883\u6761\u4ef6\u4e0b\u5904\u7406\uff0c\u5e76\u4e3a\u805a\u70ef\u70c3\u6c22\u89e3\u63d0\u4f9b\u4e00\u79cd\u5177\u6709\u7ade\u4e89\u529b\u7684\u3001\u5730\u7403\u8d44\u6e90\u4e30\u5bcc\u7684\u548c\u4f4e\u6210\u672c\u7684\u8d35\u91d1\u5c5e\u6c22\u89e3\u50ac\u5316\u5242\u66ff\u4ee3\u54c1\u3002 <\/strong><\/p>\n

 <\/p>\n

\u539f\u6587\u8be6\u60c5\uff1a<\/strong> https:\/\/doi.org\/10.1038\/s41929-023-00910-x<\/a><\/p>\n

\u672c\u6587\u7531K . L\u64b0\u7a3f\u3002<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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