{"id":245143,"date":"2022-12-28T06:00:13","date_gmt":"2022-12-27T22:00:13","guid":{"rendered":"\/\/m.iemloyee.com\/?p=245143"},"modified":"2022-12-27T14:57:50","modified_gmt":"2022-12-27T06:57:50","slug":"%e5%a4%a7%e8%bf%9e%e5%8c%96%e7%89%a9%e6%89%80%e6%9c%80%e6%96%b0nature-catalysis%ef%bc%9a%e8%a7%a3%e6%9e%90%e5%a4%96%e5%9b%b4n%e5%af%b9ru%e5%8d%95%e5%8e%9f%e5%ad%90%e5%82%ac%e5%8c%96%e4%b8%ad%e5%bf%83","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=245143","title":{"rendered":"\u5927\u8fde\u5316\u7269\u6240\u6700\u65b0Nature Catalysis\uff1a\u89e3\u6790\u5916\u56f4N\u5bf9Ru\u5355\u539f\u5b50\u50ac\u5316\u4e2d\u5fc3\u5f71\u54cd\uff0c\u5b9e\u73b0\u9ad8\u6548\u4e19\u70f7\u8131\u6c22"},"content":{"rendered":"

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

\u00a0 \u00a0 \u00a0 \u00a0 \u5f00\u53d1\u4f4e\u6210\u672c\u3001\u9ad8\u7a33\u5b9a\u6027\u7684\u50ac\u5316\u5242\u6765\u53d6\u4ee3\u5de5\u4e1apt\u57fa\u50ac\u5316\u5242\u662f\u4e19\u70f7\u8131\u6c22\uff08PDH\uff09\u5236\u4e19\u70ef\u53cd\u5e94\u4e9f\u9700\u89e3\u51b3\u7684\u95ee\u9898\u3002Ru\u91d1\u5c5e\u5728\u8d35\u91d1\u5c5e\u4e2d\u76f8\u5bf9\u4fbf\u5b9c\uff0c\u540c\u65f6\u7531\u4e8e\u5355\u539f\u5b50\u4f4d\u70b9\u7684\u7279\u6b8a\u50ac\u5316\u6027\u80fd\uff0c\u5355\u539f\u5b50Ru\u4e0e\u5757\u4f53\u91d1\u5c5e\u4e0d\u540c\uff0c\u8fd9\u4f7f\u5f97\u5355\u539f\u5b50Ru\u5728\u4e0e\u6291\u5236\u7126\u70ad\u5f62\u6210\u6709\u5173\u7684\u53cd\u5e94\u4e2d\u5177\u6709\u5f88\u9ad8\u7684\u9009\u62e9\u6027\u3002\u7136\u800c\uff0c\u5f00\u53d1\u7a33\u5b9a\u7684Ru SACs\u7528\u4e8e\u9ad8\u6548\u3001\u9ad8\u6e29PDH\u53cd\u5e94\u4ecd\u7136\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u6311\u6218\uff0c\u9700\u8981\u66f4\u6df1\u5165\u5730\u4e86\u89e3\u8fd9\u79cd\u50ac\u5316\u5242\u7684\u7ed3\u6784-\u6d3b\u6027\u6027\u8d28\u3002M-N-C\u6750\u6599\u6700\u8fd1\u5728\u7a33\u5b9aSACs\u7684\u5408\u7406\u8bbe\u8ba1\u4e2d\u53d7\u5230\u5e7f\u6cdb\u5173\u6ce8\u3002\u7136\u800c\uff0c\u8fc4\u4eca\u4e3a\u6b62\uff0c\u5927\u591a\u6570\u7814\u7a76\u90fd\u96c6\u4e2d\u5728N\u7684\u5185\u5c42\u914d\u4f4d\u7684\u8c03\u63a7\u4e0a\uff0c\u800c\u5916\u5c42N\u5bf9\u5355\u539f\u5b50\u4f4d\u7f6e\u548c\u50ac\u5316\u6027\u80fd\u7684\u5f71\u54cd\u5374\u5f88\u5c11\u53d7\u5230\u5173\u6ce8\u3002<\/p>\n

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

\u00a0 \u00a0 \u00a0 \u00a0 \u8fd1\u65e5\uff0c\u4e2d\u79d1\u9662\u5927\u8fde\u5316\u7269\u6240\u5f20\u6d9b\u9662\u58eb\uff0c\u7814\u7a76\u5458\u738b\u6653\u4e1c\u3001\u738b\u7231\u7434\u3001\u6797\u575a\u56e2\u961f\uff0c\u4e0e\u798f\u5dde\u5927\u5b66\u6559\u6388\u6797\u68ee<\/strong>\u7b49\u5408\u4f5c\u5f00\u53d1\u4e86\u4e00\u79cd\u57fa\u4e8e\u6c2e\u63ba\u6742\u78b3\u4e0a\u7684Ru\u5355\u539f\u5b50(Ru1<\/sub>\/NC)\u9ad8\u7a33\u5b9a\u4e19\u70f7\u8131\u6c22\u50ac\u5316\u5242\u3002Ru1<\/sub>\/NC\u7684\u8f6c\u6362\u9891\u7387\u6bd4Ru\u7eb3\u7c73\u9897\u7c92\u7684\u7ffb\u8f6c\u9891\u7387\u81f3\u5c11\u9ad83\u500d\u3002\u5b9e\u9a8c\u548c\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u7814\u7a76\u63ed\u793a\u4e86Ru1<\/sub>\u4e2d\u5fc3\u5468\u56f4\u6c2e\u7684\u91cd\u8981\u4f5c\u7528\u3002\u5185\u5c42N\u7a33\u5b9a\u4e86\u539f\u5b50\u5206\u6563\u7684Ru\uff0c\u6291\u5236\u4e86\u4e19\u70f7\u88c2\u89e3\uff0c\u800c\u5916\u5c42N\u4fc3\u8fdb\u4e86Ru1<\/sub>\u4e2d\u5fc3\u7684\u7535\u5b50\u79ef\u7d2f\uff0c\u4f7fRu1<\/sub>\u4e0e\u4e19\u70ef\u4e4b\u95f4\u4ea7\u751f\u660e\u663e\u7684\u7535\u8377\u6392\u65a5\uff0c\u4fc3\u8fdb\u4e86\u5176\u89e3\u5438\u3002\u5728\u5355\u539f\u5b50Ru\u4f4d\u70b9\u4e0a\uff0c\u5185\u5c42\u548c\u5916\u5c42N\u7684\u7ec4\u5408\u4f5c\u7528\u6709\u52a9\u4e8eRu1<\/sub>\/NC\u7684\u9ad8\u6548\u7387\u3002\u8be5\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cPeripheral-nitrogen effects on the Ru1<\/sub> centre for highly efficient propane dehydrogenation<\/em>\u201d\u53d1\u8868\u5728\u56fd\u9645\u671f\u520aNature Catalysis<\/em>\u4e0a\u3002<\/p>\n

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

    \n
  1. \u8be5\u5de5\u4f5c\u5f00\u53d1\u4e86\u4e00\u79cd\u9ad8\u6548\u7a33\u5b9a\u7684\u9ad8\u6e29PDH\u53cd\u5e94\u7684Ru1<\/sub>\/NC SAC\u50ac\u5316\u5242\u3002<\/li>\n
  2. \u901a\u8fc7\u5b9e\u9a8c\u548c\u7406\u8bba\u6a21\u62df\u8bc1\u5b9e\uff0c\u5185\u58f3N\u6709\u52a9\u4e8e\u63d0\u9ad8\u4e19\u70f7\u8f6c\u5316\u7684\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u800c\u5916\u5c42N\u5219\u63d0\u9ad8\u4e86\u5bf9\u4e19\u70ef\u7684\u9009\u62e9\u6027\u3002<\/li>\n
  3. \u8be5\u50ac\u5316\u5242\u5728\u9ad8\u6e29PDH\u53cd\u5e94\u5c55\u793a\u51fa\u4f18\u8d8a\u7684\u9ad8\u6548\u6027\u3001\u7a33\u5b9a\u6027\u548c\u9009\u62e9\u6027\u3002<\/li>\n<\/ol>\n

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

    \"\"\u56fe<\/strong>1.<\/strong> Ru1<\/sub>\/NC\u7684\u5408\u6210\u53ca\u7ed3\u6784\u8868\u5f81\u3002\u00a9 2022 Nat Catal<\/strong><\/p>\n

    \u00a0 \u00a0 \u00a0 \u00a0 \u56fe<\/strong>1<\/strong>a\u6240\u793a\u4e3aRu1<\/sub>\/NC\u7684\u5408\u6210\u8fc7\u7a0b\u3002\u91c7\u7528\u7403\u78e8\u6cd5\u5c06\u524d\u9a71\u4f53\u6df7\u5408\u5747\u5300\uff0c\u7136\u540e\u5728N2<\/sub>\u6c14\u6c1b\u4e0b900\u2103\u70ed\u89e3\u3002\u4e3a\u4e86\u8fdb\u884c\u6bd4\u8f83\uff0c\u91c7\u7528\u6d78\u6e0d\u6cd5\u5408\u6210\u4e86\u4e0d\u540cRu\u542b\u91cf\u7684\u50ac\u5316\u5242\uff0c\u5206\u522b\u4e3a1RuNP\/NC\u548c6RuNP\/NC\u3002\u9ad8\u89d2\u5ea6\u73af\u5f62\u6697\u573a\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c(HAADF-STEM)\u663e\u793aRu1<\/sub>\/NC(\u56fe<\/strong>1<\/strong>b)\u672a\u51fa\u73b0\u4efb\u4f55Ru\u7eb3\u7c73\u9897\u7c92\u3002\u6b64\u5916\uff0c\u7ecf\u8fc7\u50cf\u5dee\u6821\u6b63\u7684HAADF-STEM (AC-HAADF-STEM)\u663e\u793a\uff0c\u5728Ru1<\/sub>\/NC\u4e0a\u53ef\u4ee5\u6e05\u695a\u5730\u89c2\u5bdf\u5230\u5927\u91cf\u5747\u5300\u5206\u6563\u7684Ru\u5355\u539f\u5b50(\u56fe<\/strong>1<\/strong>c,d)\u3002\u56fe<\/strong>1<\/strong>e\u5229\u7528\u7535\u5b50\u80fd\u91cf\u635f\u5931\u80fd\u8c31(EELS)\u8868\u5f81\u4e86Ru\u5355\u539f\u5b50\u5468\u56f4\u7684\u5c40\u90e8\u5143\u7d20\u5206\u5e03\u548c\u914d\u4f4d\uff0c\u5f53\u7535\u5b50\u675f\u805a\u7126\u5728\u5355\u4e2aRu\u5355\u539f\u5b50\u4e0a\u65f6\uff0cRu\/C\u548cN\u5149\u8c31\u90fd\u88ab\u68c0\u6d4b\u5230\uff0c\u8868\u660eRu1<\/sub>\u4e0eN\/C\u6210\u952e\u3002<\/p>\n

    \"\"\u56fe<\/strong>2.<\/strong> Ru\u5728Ru1<\/sub>\/NC\u4e2d\u7684\u914d\u4f4d\u548c\u7535\u5b50\u6001\u3002\u00a9 2022 Nat Catal<\/strong><\/p>\n

    \u00a0 \u00a0 \u00a0 \u00a0 \u901a\u8fc7X\u5c04\u7ebf\u5438\u6536\u8fd1\u8fb9\u7ed3\u6784(XANES)\u548c\u6269\u5c55X\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784(EXAFS)\u5149\u8c31\u5206\u6790\uff0c\u83b7\u5f97\u4e86Ru1<\/sub>\/NC\u50ac\u5316\u5242\u7684Ru\u4ef7\u6001\u548c\u8be6\u7ec6\u7684\u7ed3\u6784\u4fe1\u606f\u3002XANES\u5149\u8c31\u663e\u793a\uff0cRu1<\/sub>\/NC\u7684\u5438\u6536\u8fb9\u4f4d\u7f6e(\u56fe<\/strong>2<\/strong>a)\u4f4d\u4e8eRu\u7b94\u548cRu(acac)3<\/sub>\u4e4b\u95f4(\u63a5\u8fd1\u524d\u8005)\uff0c\u8868\u660eRu\u5728Ru1<\/sub>\/NC\u4e0a\u7684\u5316\u5b66\u72b6\u6001\u7565\u4e3a\u6b63\u3002\u5728EXAFS\u5149\u8c31(\u56fe<\/strong>2<\/strong>b)\u4e2d\uff0cRu1<\/sub>\/NC\u57281.53 \u00c5\u5904\u51fa\u73b0\u4e86\u4e00\u4e2a\u663e\u8457\u7684\u5cf0\uff0c\u7ed3\u5408EELS\u7ed3\u679c\uff0c\u5bf9\u5e94Ru-N\/C\u914d\u4f4d\u3002\u5bf9EXAFS\u8c31\u8fdb\u884c\u62df\u5408\u5206\u6790\uff0c\u5e73\u5747\u914d\u4f4d\u6570\u4e3a3.9\uff0c\u8868\u660eRu1<\/sub>\/NC\u7684\u914d\u4f4d\u7ed3\u6784\u4ee5Ru-N (C)4<\/sub>\u4e3a\u4e3b\u3002<\/p>\n

    \"\"\u56fe<\/strong>3.<\/strong> PDH\u53cd\u5e94\u7684\u50ac\u5316\u6027\u80fd\u3002\u00a9 2022 Nat Catal<\/strong><\/p>\n

    \u00a0 \u00a0 \u00a0 \u00a0 \u4f5c\u8005\u6d4b\u8bd5\u4e86\u8fd9\u4e9b\u50ac\u5316\u5242\u5bf9PDH\u7684\u50ac\u5316\u6027\u80fd\uff0c\u5982\u56fe<\/strong>3<\/strong>a\u6240\u793a\uff0cRu1<\/sub>\/NC\u53cd\u5e94\u6e29\u5ea6\u4ece520\u2103\u5230600\u2103\uff0c\u4e19\u70ef\u8f6c\u5316\u7387\u9010\u6e10\u589e\u52a0\uff0c\u4e19\u70ef\u9009\u62e9\u6027\u4fdd\u6301\u572892%\u4ee5\u4e0a\u3002\u5728600\u2103\u65f6\uff0cRu1\/NC\u50ac\u5316\u4e0b\u4e19\u70ef\u8f6c\u5316\u7387\u8fbe\u523033%\uff0c\u4e19\u70ef\u9009\u62e9\u6027\u8fbe92%(\u56fe<\/strong>3<\/strong>b)\u3002\u800c\u9897\u7c92Ru\u7684\u6548\u7387\u660e\u663e\u4f4e\u4e8eRu1<\/sub>\/NC\u3002\u8fd9\u8868\u660e\u5728\u8f83\u5927\u7684Ru\u9897\u7c92\u4e0a\uff0c\u4e19\u70f7\u5bb9\u6613\u53d1\u751fC-C\u952e\u88c2\u89e3\u548c\u7ed3\u7126\uff0c\u4ece\u800c\u5bfc\u81f4\u4e19\u70ef\u9009\u62e9\u6027\u8f83\u4f4e\u3002\u4e3a\u4e86\u6d4b\u8bd5Ru1<\/sub>\/NC\u50ac\u5316\u5242\u7684\u6027\u80fd\uff0c\u4f5c\u8005\u6d4b\u91cf\u4e86\u4e19\u70ef\u7684\u751f\u4ea7\u6bd4\u7387\u3002\u5982\u56fe<\/strong>3<\/strong>c\u6240\u793a\uff0c\u4e19\u70ef\u7684\u6bd4\u4ea7\u7387\u968f\u7740Ru\u9897\u7c92\u5c3a\u5bf8\u7684\u51cf\u5c0f\u800c\u589e\u5927\uff0c\u5728Ru1<\/sub>\/NC\u6761\u4ef6\u4e0b\u4e19\u70ef\u7684\u4ea7\u7387\u6700\u597d\u3002\u8fd9\u4e9b\u7ed3\u679c\u8868\u660e\uff0cPDH\u7684\u50ac\u5316\u6027\u80fd\u4e0eRu\u7c92\u5f84\u5bc6\u5207\u76f8\u5173\u3002\u540c\u65f6\uff0c\u57fa\u4e8e\u8868\u9762Ru\u539f\u5b50\u6d53\u5ea6\u7684\u4e19\u70ef\u4ea7\u7387\u548c\u8f6c\u6362\u9891\u7387\u7b49\u4e00\u7cfb\u5217\u6d4b\u8bd5\u7ed3\u679c\u8868\u660e\uff0cRu1<\/sub>\/NC\u53ef\u80fd\u662f\u8fc4\u4eca\u4e3a\u6b62\u62a5\u9053\u7684\u6027\u80fd\u6700\u597d\u7684PDH\u50ac\u5316\u5242\u4e4b\u4e00\u3002\u5982\u56fe<\/strong>3<\/strong>d\u6240\u793a\uff0cRu1<\/sub>\/NC\u50ac\u5316\u5242\u4e0a\u540c\u65f6\u5c55\u793a\u51fa\u826f\u597d\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n

    \"\"\u56fe<\/strong>4. <\/strong>\u901a\u8fc7\u5bf9Ru1<\/sub>\/NC\u7684N\u79cd\u534f\u8c03\u6765\u7a33\u5b9aRu1<\/sub>\u4e2d\u5fc3\u3002\u00a9 2022 Nat Catal<\/strong><\/p>\n

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    \"\"\u56fe<\/strong>5. <\/strong>\u5916\u56f4N\u7684\u5f71\u54cd\u53ca\u53cd\u5e94\u9014\u5f84\u7684\u7406\u8bba\u7814\u7a76\u3002\u00a9 2022 Nat Catal<\/strong><\/p>\n

    \u00a0 \u00a0 \u00a0 \u00a0 \u5982\u56fe<\/strong>5<\/strong>a\u6240\u793a\uff0c\u4f5c\u8005\u6784\u5efa\u4e86\u4e0d\u540c\u7684\u5185\u5916\u58f3\u4f53\u6a21\u578b\u3002\u5176\u4e2d\u4e00\u79cdRu1<\/sub>\/NC\u4ec5\u5305\u542b\u5185\u58f3\u3002\u53e6\u4e00\u79cdRu1<\/sub>\/NC\u5305\u542b\u5185\u5c42\u548c\u5916\u5c42\u3002\u4f5c\u8005\u7cfb\u7edf\u5730\u7814\u7a76\u4e86Ru1<\/sub>\u7684\u914d\u4f4d\u73af\u5883\u4e0e\u4e19\u70ef\u5728Ru1<\/sub>\/NC\u4e0a\u7684\u5438\u9644\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5982\u56fe<\/strong>5<\/strong>b\u6240\u793a\uff0c\u968f\u7740\u5185\u5c42N\u6570\u7684\u589e\u52a0\uff0c\u56db\u914d\u4f4dRu1<\/sub>\u4e0a\u7684Bader\u7535\u8377\u7565\u6709\u51cf\u5c0f\uff0c\u800cEads<\/sub>\u503c\u53d8\u5316\u660e\u663e\u3002\u6574\u4f53\u8f83\u9ad8\u7684\u5438\u9644\u80fd\u4e0d\u5229\u4e8e\u4e19\u70ef\u7684\u89e3\u5438\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cRuN3<\/sub>C\u548cRuN4<\/sub>\u5206\u522b\u663e\u793a\u51fa\u8f83\u4f4e\u7684\u5438\u9644\u80fd\u3002\u4f5c\u8005\u8fdb\u4e00\u6b65\u8003\u8651\u4e86\u6709\u5916\u5c42N\u5b58\u5728\u7684Ru1<\/sub>\/NC\u6a21\u578b\u3002\u5982\u56fe<\/strong>5<\/strong>b\u6240\u793a\uff0c\u968f\u7740\u5916\u5c42N\u6570\u91cf\u7684\u589e\u52a0\uff0cRu1<\/sub>\u4e0a\u7684Bader\u7535\u8377\u660e\u663e\u51cf\u5c0f\u3002\u4e19\u70ef\u7684Eads<\/sub>\u503c\u4e5f\u964d\u4f4e\u4e86\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8eRu1<\/sub>\u5468\u56f4\u7684\u4e00\u4e9bC\u539f\u5b50\u5728\u7535\u8d1f\u6027\u66f4\u5f3a\u7684\u5916\u5c42N\u79cd\u7684\u5b58\u5728\u4e0b\u5931\u53bb\u4e86\u66f4\u591a\u7684\u7535\u5b50\uff0c\u4ece\u800c\u4f7fRu1<\/sub>\u66f4\u63a5\u8fd1\u91d1\u5c5e\u6001\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cRu1<\/sub>\u4e2d\u5fc3\u9644\u8fd1\u7535\u5b50\u7684\u805a\u96c6\u6709\u5229\u4e8e\u4e19\u70ef\u4e2d\u03c0\u7535\u5b50\u7684\u6392\u65a5\u4f5c\u7528\u3002\u4f5c\u8005\u8fdb\u4e00\u6b65\u4ece\u53cd\u5e94\u6d3b\u6027\u65b9\u9762\u6d4b\u8bd5\u4e86RuN3<\/sub>C-13\u548cRuN4<\/sub>-14\u5bf9PDH\u53cd\u5e94\u5f71\u54cd\u3002\u5982\u56fe<\/strong>5<\/strong>c\u6240\u793a\uff0c\u8ba1\u7b97\u7ed3\u679c\u8868\u660e\u7b2c\u4e00\u4e2a\u8131\u6c22\u6b65\u9aa4\u662f\u4e19\u70f7\u8f6c\u5316\u7684\u51b3\u901f\u6b65\u3002\u6b64\u5916\uff0c\u4f5c\u8005\u53d1\u73b0\uff0c\u6240\u5f97\u5230\u7684\u4e19\u70ef\u4e0d\u592a\u53ef\u80fd\u53d1\u751f\u8fdb\u4e00\u6b65\u8131\u6c22\u3002\u8fd9\u4e9b\u7ed3\u679c\u660e\u786e\u5730\u8868\u660e\uff0c\u968f\u7740N\u7269\u79cd\u5b58\u5728\u7684\u589e\u52a0\uff0cRu1<\/sub>\/NC\u6a21\u578b\u7684\u4e19\u70ef\u9009\u62e9\u6027\u589e\u52a0\u3002<\/p>\n

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

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    \u00a0 \u00a0 \u00a0 \u00a0 \u6587\u732e\u94fe\u63a5: Zhou, Y., Wei, F., Qi, H.\u00a0et al.<\/em> Peripheral-nitrogen effects on the Ru1<\/sub> centre for highly efficient propane dehydrogenation. Nat Catal<\/em> (2022). https:\/\/doi.org\/10.1038\/s41929-022-00885-1<\/a><\/p>\n

     <\/p>\n

    \u672c\u6587\u7531MichstaBe\u5b59\u56fd\u6587\u64b0\u7a3f\u3002<\/p>\n

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

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