{"id":253611,"date":"2023-08-18T06:10:16","date_gmt":"2023-08-17T22:10:16","guid":{"rendered":"\/\/m.iemloyee.com\/?p=253611"},"modified":"2023-08-17T23:17:32","modified_gmt":"2023-08-17T15:17:32","slug":"%e9%a6%99%e6%b8%af%e5%9f%8e%e5%b8%82%e5%a4%a7%e5%ad%a6%e5%bd%ad%e5%92%8f%e5%ba%b7%e8%af%be%e9%a2%98%e7%bb%84acs-nano%ef%bc%9a-%e9%80%9a%e8%bf%87%e8%b0%83%e6%8e%a7ceo2%e6%99%b6%e9%9d%a2%e6%9d%a5","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=253611","title":{"rendered":"\u9999\u6e2f\u57ce\u5e02\u5927\u5b66\u5f6d\u548f\u5eb7\u8bfe\u9898\u7ec4ACS Nano\uff1a \u901a\u8fc7\u8c03\u63a7CeO2\u6676\u9762\u6765\u64cd\u7eb5H2O2\u7684\u6d3b\u5316\u8def\u5f84\u5b9e\u73b0\u5b8c\u5168\u53ef\u63a7\u7684\u9176\u4fc3\u53cd\u5e94\u4e13\u4e00\u6027"},"content":{"rendered":"
\u00a0<\/strong>\u7b2c\u4e00\u4f5c\u8005\uff1a\u8881\u535a\uff0c\u8c2d\u6893\u806a<\/p>\n \u901a\u8baf\u4f5c\u8005\uff1a\u5f6d\u548f\u5eb7 \u6559\u6388<\/p>\n \u901a\u8baf\u5355\u4f4d\uff1a\u9999\u6e2f\u57ce\u5e02\u5927\u5b66<\/p>\n \u8bba\u6587DOI: 10.1021\/acsnano.3c05409<\/p>\n \u56fe\u6587\u6458\u8981<\/strong><\/p>\n \u6210\u679c\u7b80\u4ecb<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u9999\u6e2f\u57ce\u5e02\u5927\u5b66\u5316\u5b66\u7cfb\u5f6d\u548f\u5eb7\u535a\u58eb\u8bfe\u9898\u7ec4\u5728ACS Nano\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cRegulating H2<\/sub>O2<\/sub> Activation Pathway on Well-defined CeO2<\/sub> Nanozyme Allows Entire Steering of Its Specificity between Associated Enzymatic Reactions<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587(https:\/\/doi.org\/10.1021\/acsnano.3c05409)\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u901a\u8fc7\u8c03\u63a7CeO2<\/sub>\u8868\u9762\u4e0aCe\u4f4d\u70b9\u7684\u914d\u4f4d\u7ed3\u6784\u548c\u7535\u5b50\u7ed3\u6784\uff0c\u53ef\u4ee5\u6539\u53d8H2<\/sub>O2<\/sub>\u6d3b\u5316\u8def\u5f84\u8fdb\u800c\u7cbe\u51c6\u8c03\u63a7CeO2<\/sub>\u5728\u8fc7\u6c27\u5316\u7269\u9176\u6a21\u62df(POD-like)\/\u8fc7\u6c27\u5316\u6c22\u9176\u6a21\u62df(CAT-like)\u548c\u5364\u8fc7\u6c27\u5316\u7269\u9176\u6a21\u62df(HPO-like)\u53cd\u5e94\u4e2d\u7684\u6d3b\u6027\u548c\u4e13\u4e00\u6027\u3002\u8fd9\u9879\u5de5\u4f5c\u6709\u671b\u4e3a\u7eb3\u7c73\u9176\u7684\u5408\u7406\u8bbe\u8ba1\u63d0\u4f9b\u6307\u5bfc\uff0c\u4ece\u800c\u63d0\u9ad8\u5176\u6d3b\u6027\u3001\u53cd\u5e94\u4e13\u4e00\u6027\u548cH2<\/sub>O2<\/sub>\u5229\u7528\u7387\u3002<\/p>\n \u5168\u6587\u901f\u89c8<\/strong><\/p>\n \u867d\u7136\u7eb3\u7c73\u9176\u88ab\u8ba4\u4e3a\u662f\u5929\u7136\u9176\u7684\u4f18\u79c0\u66ff\u4ee3\u54c1\uff0c\u4f46\u5176\u4e13\u4e00\u6027\u5dee\u7684\u95ee\u9898\u4e25\u91cd\u5236\u7ea6\u4e86\u5176\u53d1\u5c55\u3002\u4f8b\u5982\uff0cCeO2<\/sub>\u53ef\u4ee5\u6fc0\u6d3bH2<\/sub>O2<\/sub>\u5e76\u8868\u73b0\u51faPOD-like\u3001CAT-like\u548cHPO-like\u53cd\u5e94\u6d3b\u6027\u3002\u4f46\u7531\u4e8e\u8fd9\u4e9b\u53cd\u5e94\u4e0d\u53ef\u907f\u514d\u5730\u7ade\u4e89H2<\/sub>O2<\/sub>\uff0c\u5f71\u54cd\u4e86\u5176\u5728\u76ee\u6807\u5e94\u7528\u4e2d\u7684\u6709\u6548\u5229\u7528\uff0c\u56e0\u6b64\u7cbe\u786e\u63a7\u5236\u53cd\u5e94\u4e13\u4e00\u6027\u81f3\u5173\u91cd\u8981\u3002\u672c\u7814\u7a76\u5236\u5907\u4e86\u4e09\u79cd\u4e0d\u540c\u5f62\u8c8c\u7684CeO2<\/sub>\u7eb3\u7c73\u6750\u6599\uff1a\u5177\u6709Ce7c(111)<\/sub>\u4f4d\u70b9\u7684\u516b\u9762\u4f53(octa.)\u3001\u5177\u6709Ce6c(110)<\/sub>\u4f4d\u70b9\u7684\u68d2\u72b6(rod)\u548c\u5177\u6709Ce6c(100)<\/sub>\u4f4d\u70b9\u7684\u7acb\u65b9\u4f53(cube)\u3002\u5c3d\u7ba1\u68d2\u72b6Ce6c(110)<\/sub>\u4f4d\u70b9\u50cf\u6587\u732e\u4e2d\u62a5\u9053\u7684\u90a3\u6837\u8868\u73b0\u51fa\u591a\u79cd\u6d3b\u6027\uff0c\u4f46\u4ee4\u4eba\u60ca\u8bb6\u7684\u662f\uff0c\u7acb\u65b9\u4f53Ce6c(100)<\/sub>\u4f4d\u70b9\u5177\u6709\u6700\u4f73\u7684POD\/CAT-like\u53cd\u5e94\u6d3b\u6027\uff0c\u4f46\u5374\u6ca1\u6709HPO-like\u53cd\u5e94\u6d3b\u6027\u3002\u800c\u516b\u9762\u4f53Ce7c(111)<\/sub>\u4f4d\u70b9\u5219\u5448\u73b0\u51fa\u76f8\u53cd\u7684\u8d8b\u52bf\uff0c\u5b83\u8868\u73b0\u51fa\u5fae\u5f31\u7684POD\/CAT-like\u53cd\u5e94\u6d3b\u6027\uff0c\u4f46\u5374\u5177\u6709\u6781\u9ad8\u7684HPO-like\u53cd\u5e94\u6d3b\u6027\u3002\u8fd9\u662f\u56e0\u4e3a\u4e0d\u540c\u5f62\u8c8cCeO2<\/sub>\u8868\u9762\u7684Ce\u4f4d\u70b9\u5177\u6709\u4e0d\u540c\u7684\u914d\u4f4d\/\u7535\u5b50\u7ed3\u6784\uff0c\u5f71\u54cd\u4e86H2<\/sub>O2<\/sub>\u7684\u6d3b\u5316\u8def\u5f84\uff0c\u4ece\u800c\u5f71\u54cd\u9176\u4fc3\u53cd\u5e94\u7684\u9009\u62e9\u6027\u3002\u8fdb\u4e00\u6b65\u7684\u6297\u83cc\u6d4b\u8bd5\u8868\u660e\uff0c\u5177\u6709HPO-like\u6d3b\u6027\u7684\u516b\u9762\u4f53Ce7c(111)<\/sub>\uff08\u751f\u6210HOBr\uff09\u6bd4\u5177\u6709POD-like\u6d3b\u6027\uff08\u4f34\u968f\u7740\u4e0d\u5fc5\u8981\u7684CAT-like\u6d3b\u6027\uff09\u7684\u7acb\u65b9\u4f53Ce6c(100)<\/sub>\uff08\u751f\u6210OH\u81ea\u7531\u57fa\uff09\u5177\u6709\u66f4\u597d\u7684\u6740\u83cc\u6548\u679c\u3002<\/p>\n \u80cc\u666f\u4ecb\u7ecd<\/strong><\/p>\n \u968f\u7740\u7eb3\u7c73\u79d1\u5b66\u7684\u53d1\u5c55\uff0c\u4e00\u7cfb\u5217\u7eb3\u7c73\u6750\u6599\u88ab\u62a5\u9053\u5177\u6709\u4e0e\u5929\u7136\u9176\u76f8\u4f3c\u7684\u50ac\u5316\u6027\u8d28\uff0c\u8fd9\u4e00\u7c7b\u7684\u7eb3\u7c73\u6750\u6599\u88ab\u79f0\u4e3a\u201c\u7eb3\u7c73\u9176(nanozyme)\u201d\u3002\u4e0e\u5929\u7136\u9176\u76f8\u6bd4\uff0c\u7eb3\u7c73\u9176\u4f5c\u4e3a\u9176\u7684\u6a21\u62df\u7269\u4e0d\u4ec5\u62e5\u6709\u4e0e\u5929\u7136\u9176\u7c7b\u4f3c\u7684\u9ad8\u50ac\u5316\u6027\u80fd\uff0c\u540c\u65f6\u4e5f\u5177\u6709\u50ac\u5316\u6d3b\u6027\u53ef\u8c03\u3001\u6210\u672c\u4f4e\u5ec9\u3001\u5236\u5907\u8fc7\u7a0b\u7b80\u5355\u3001\u5bb9\u6613\u56de\u6536\u3001\u70ed\u548cpH \u7a33\u5b9a\u6027\u5353\u8d8a\u7b49\u4f18\u70b9\u3002\u81ea2007\u5e74Gao \u7b49\u4eba\u5728Nat. Nanotechnol.<\/em>\u9996\u6b21\u62a5\u9053Fe3<\/sub>O4<\/sub>\u7eb3\u7c73\u9897\u7c92\u5177\u6709POD-like\u6d3b\u6027\u4ee5\u6765, \u5177\u6709\u53ef\u53d8\u6c27\u5316\u4ef7\u6001\u7684\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269(\u5982V2<\/sub>O5<\/sub>, MnO2<\/sub>, Co3<\/sub>O4<\/sub>, Cu2<\/sub>O, CeO2<\/sub>\u7b49\u7eb3\u7c73\u9897\u7c92)\u88ab\u62a5\u9053\u4e0d\u4ec5\u53ef\u4ee5\u6a21\u62df\u8fc7\u6c27\u5316\u7269\u9176(POD)\uff0c\u8fd8\u53ef\u4ee5\u6a21\u62df\u5176\u4ed6\u4e0eH2<\/sub>O2<\/sub>\u76f8\u5173\u7684\u6c27\u5316\u8fd8\u539f\u9176\uff0c\u5982\u8fc7\u6c27\u5316\u6c22\u9176(CAT)\u548c\u5364\u8fc7\u6c27\u5316\u7269\u9176(HPO)\u3002POD-like\u53cd\u5e94\u901a\u5e38\u5c06H2<\/sub>O2<\/sub>\u8f6c\u5316\u4e3aOH\u81ea\u7531\u57fa\uff0cCAT-like\u53cd\u5e94\u5c06H2<\/sub>O2<\/sub>\u5206\u89e3\u4e3aH2<\/sub>O\u548cO2<\/sub>\u3002\u6b64\u5916\uff0cHPO-like\u53cd\u5e94\u80fd\u50ac\u5316H2<\/sub>O2<\/sub>\u6c27\u5316\u5364\u5316\u7269\u4e3a\u6b21\u5364\u9178\uff08\u4f8b\u5982\uff0cBr–<\/sup>\u8f6c\u5316\u4e3aHOBr\uff09\u3002\u5c3d\u7ba1\u8fd9\u4e9b\u9176\u6a21\u62df\u53cd\u5e94\u90fd\u6709\u76f8\u5e94\u7684\u5e94\u7528\uff0c\u4f46\u4e00\u79cd\u6750\u6599\u7684\u591a\u79cd\u9176\u6a21\u62df\u53cd\u5e94\u4f1a\u4e0d\u53ef\u907f\u514d\u5730\u7ade\u4e89H2<\/sub>O2<\/sub>\uff0c\u5f71\u54cd\u5176\u5728\u76ee\u6807\u5e94\u7528\u4e2d\u7684\u6027\u80fd\u548c\u5229\u7528\u7387\u3002\u4ee5CeO2<\/sub>\u4e3a\u4f8b\uff0c\u5b83\u7684POD-like\u6d3b\u6027\u5df2\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u591a\u79cd\u91cd\u8981\u751f\u7269\u5206\u5b50(\u4f8b\u5982\uff0c\u8461\u8404\u7cd6\u3001\u80c6\u56fa\u9187\u3001\u8c37\u80f1\u7518\u80bd\u7b49)\u7684\u68c0\u6d4b\u3002\u7136\u800c\uff0c\u5b83\u7684CAT-like\u6d3b\u6027\u4f1a\u4fc3\u8fdbH2<\/sub>O2<\/sub>\u7684\u5206\u89e3\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u751f\u7269\u5206\u5b50\u68c0\u6d4b\u7684\u7075\u654f\u5ea6\u3002\u540c\u6837\uff0c CeO2<\/sub>\u7684HPO-like\u53cd\u5e94\u5177\u6709\u7684\u6297\u83cc\u548c\u6297\u6c61\u6548\u679c\u4e5f\u4f1a\u56e0\u5176\u540c\u65f6\u5177\u6709POD-\/CAT-like\u53cd\u5e94\u800c\u964d\u4f4e\u3002<\/p>\n \u4f17\u6240\u5468\u77e5\uff0c\u591a\u76f8\u50ac\u5316\u4e0d\u4ec5\u4e0e\u53cd\u5e94\u7269\u7684\u5438\u9644\u5e76\u4e14\u4e0e\u5176\u5728\u50ac\u5316\u5242\u8868\u9762\u6d3b\u6027\u4f4d\u70b9\u4e0a\u7684\u6d3b\u5316\u5bc6\u5207\u76f8\u5173\u3002\u5f88\u591a\u7814\u7a76\u8868\u660e\uff0c\u6539\u53d8CeO2<\/sub>\u66b4\u9732\u7684\u6676\u9762\u53ef\u4ee5\u8c03\u8282\u5176\u8868\u9762\u5316\u5b66\u6027\u8d28\uff0c\u8fdb\u800c\u6539\u53d8\u5176\u5728\u8bb8\u591a\u50ac\u5316\u53cd\u5e94\u4e2d\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u8ba4\u4e3a\u8c03\u63a7CeO2<\/sub>\u8868\u9762Ce\u4f4d\u70b9\u7684\u914d\u4f4d\u7ed3\u6784\u53ef\u4ee5\u6539\u53d8H2<\/sub>O2<\/sub>\u7684\u6d3b\u5316\u8def\u5f84\uff0c\u4ece\u800c\u5f71\u54cd\u5176\u5728\u9176\u6a21\u62df\u53cd\u5e94\u4e2d\u7684\u9009\u62e9\u6027\u3002\u7814\u7a76\u8868\u660e\uff0cCeO2<\/sub>\u7684\u4e09\u79cd\u4e0d\u540c\u6676\u9762(111), (110)\u548c(100)\u8868\u9762Ce\u4f4d\u70b9\u7684\u914d\u4f4d\/\u7535\u5b50\u7ed3\u6784\u5747\u4e0d\u76f8\u540c\uff0c\u53ef\u4ee5\u9884\u671f\u4e0d\u540c\u7684Ce\u4f4d\u70b9\u4f1a\u4ee5\u4e0d\u540c\u7684\u65b9\u5f0f\u5438\u9644\/\u6d3b\u5316H2<\/sub>O2<\/sub>\uff0c\u4ece\u800c\u5f71\u54cd\u5b83\u4eec\u5728\u591a\u79cd\u9176\u6a21\u62df\u53cd\u5e94\u4e2d\u7684\u4e13\u4e00\u6027\u3002<\/p>\n \u6587\u7ae0\u8981\u70b9<\/strong><\/p>\n \u672c\u6587\u5236\u5907\u4e86\u4e09\u79cd\u4e0d\u540c\u5f62\u8c8c\u7684CeO2<\/sub>\u7eb3\u7c73\u9176\uff0c\u5305\u62ec\u5177\u6709(111)\u8868\u9762\u7684\u516b\u9762\u4f53\uff0c\u5177\u6709(110)\u8868\u9762\u7684\u68d2\u72b6\u548c\u5177\u6709(100)\u8868\u9762\u7684\u7acb\u65b9\u4f53\u3002\u5c3d\u7ba1\u5b83\u4eec\u5177\u6709\u7c7b\u4f3c\u7684Ce3d <\/sub>XPS\u80fd\u8c31\uff0c\u4f46\u662f\u5b83\u4eec\u7684TMPO-31<\/sup>P\u6838\u78c1\u5171\u632f(31<\/sup>P-NMR)\u5316\u5b66\u4f4d\u79fb\u8868\u660e\uff0c\u4e0d\u540c\u5f62\u8c8cCeO2<\/sub>\u8868\u9762Ce\u4f4d\u70b9\u7684\u7535\u5b50\u5bc6\u5ea6\u987a\u5e8f\u4e3aCe6c(100)<\/sub>> Ce6c(110)<\/sub>> Ce7c(111)<\/sub>\u3002\u6b64\u5916\uff0c\u7814\u7a76\u53d1\u73b0\uff0c\u4e0d\u540c\u5f62\u8c8cCeO2<\/sub>\u7684\u03b6\u7535\u4f4d\u4e0e\u5b83\u4eec\u7684NMR\u4fe1\u53f7\u6709\u7740\u5f88\u5f3a\u7684\u76f8\u5173\u6027\u3002CeO2<\/sub>\u516b\u9762\u4f53\u7684\u6b63\u03b6\u7535\u4f4d(+44.7 mV)\u53ef\u5f52\u56e0\u4e8e\u5176\u8868\u9762\u7f3a\u7535\u5b50\u7684Ce7c(111)<\/sub>\u4f4d\u70b9\uff0c\u800c\u7acb\u65b9\u4f53\u7684\u8d1f\u03b6\u7535\u4f4d(-17.7 mV)\u5219\u662f\u7531\u4e8e\u5bcc\u7535\u5b50\u7684Ce6c(100)<\/sub>\u4f4d\u70b9\u3002<\/p>\n 3,3’5,5\u2032-\u56db\u7532\u57fa\u8054\u82ef\u80fa(TMB)\u548c\u915a\u7ea2(PR)\u4f5c\u4e3a\u6307\u793a\u5242\u5206\u522b\u7528\u4e8ePOD-like\u548cHPO-like\u53cd\u5e94\u6d3b\u6027\u7814\u7a76\u3002\u7ed3\u679c\u8868\u660e\uff0cCeO2<\/sub>\u7acb\u65b9\u4f53\u663e\u793a\u51fa\u6700\u9ad8\u7684POD-like\u6d3b\u6027\uff0c\u5176\u6b21\u662f\u68d2\u72b6\u548c\u516b\u9762\u4f53\u3002\u4f46\u6709\u8da3\u7684\u662f\uff0c\u5bf9\u4e8eHPO-like\u53cd\u5e94\uff0c\u5b83\u4eec\u7684\u6d3b\u6027\u987a\u5e8f\u5219\u5b8c\u5168\u76f8\u53cd\u3002CeO2<\/sub>\u516b\u9762\u4f53\u51e0\u4e4e\u6ca1\u6709POD-like\u6d3b\u6027\uff0c\u4f46\u5374\u663e\u793a\u51fa\u6700\u9ad8\u7684HPO-like\u6d3b\u6027\uff1b\u800c\u5177\u6709\u6700\u4f73POD-like\u6d3b\u6027\u7684CeO2<\/sub>\u7acb\u65b9\u4f53\u5bf9HPO-like\u53cd\u5e94\u5374\u51e0\u4e4e\u662f\u60f0\u6027\u7684\u3002\u4e0a\u8ff0\u7814\u7a76\u8868\u660e\uff0cCeO2<\/sub>\u516b\u9762\u4f53\u548c\u7acb\u65b9\u4f53\u5bf9HPO-like\u548c POD-like\u53cd\u5e94\u6709\u7740\u5f88\u5f3a\u7684\u4e13\u4e00\u6027\u3002<\/p>\n \u4e3a\u4e86\u8fdb\u4e00\u6b65\u9610\u660e\u80cc\u540e\u7684\u53cd\u5e94\u673a\u5236\uff0c\u5229\u7528EPR\u6355\u83b7\u81ea\u7531\u57fa\u5b9e\u9a8c\u3001H2<\/sub>O2<\/sub>\u7684\u5206\u89e3\u5b9e\u9a8c\u3001\u539f\u4f4dRaman\u5b9e\u9a8c\uff0c\u7ed3\u5408DFT\u8ba1\u7b97\uff0c\u4ece\u539f\u5b50\u89c6\u89d2\u63a2\u7a76\u4e86\u4e0d\u540cCe\u4f4d\u70b9\u4e0eH2<\/sub>O2<\/sub>\u7684\u76f8\u4e92\u4f5c\u7528\u3002\u7ed3\u679c\u663e\u793a\uff0cCeO2<\/sub>\u7acb\u65b9\u4f53\u4e0a\u7684Ce6c(100)<\/sub>\u4f4d\u70b9\u901a\u8fc7\u81ea\u7531\u57fa\u8def\u5f84\u50ac\u5316H2<\/sub>O2<\/sub>\u5206\u89e3\uff0c\u5176\u901f\u7387\u9ad8\u4e8e\u68d2\u72b6\u4e0a\u7684Ce6c(110)<\/sub>\u4f4d\u70b9\u3002\u800c\u516b\u9762\u4f53\u4e0a\u7684Ce7c(111)<\/sub>\u4f4d\u70b9\u5373\u4f7f\u5438\u9644\u4e86H2<\/sub>O2<\/sub>\u4e5f\u65e0\u6cd5\u8fdb\u884c\u8fd9\u79cd\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\uff0c\u5bfc\u81f4\u4e86\u5fae\u5f31\u7684POD-like\u548cCAT-like\u6d3b\u6027\u3002\u4f46\u5f53\u53cd\u5e94\u6eb6\u6db2\u4e2d\u52a0\u5165KBr\u540e\uff0c\u516b\u9762\u4f53Ce7c(111)<\/sub>\u4f4d\u70b9\u4e0a\u5438\u9644\u7684H2<\/sub>O2<\/sub>\u5feb\u901f\u5206\u89e3\uff0c\u7ed3\u5408\u5176\u6781\u9ad8\u7684HPO-like\u6d3b\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u63a8\u65ad\u51faBrOH\u7684\u751f\u6210\u662f\u901a\u8fc7peroxo\u8def\u5f84\u800c\u4e0d\u662f\u81ea\u7531\u57fa\u8def\u5f84\u3002\u516b\u9762\u4f53Ce7c(111)<\/sub>\u548c\u7acb\u65b9\u4f53Ce6c(100)<\/sub>\u8868\u73b0\u51fa\u5b8c\u5168\u4e0d\u540c\u7684H2<\/sub>O2<\/sub>\u6fc0\u6d3b\u8def\u5f84\uff0c\u662f\u7531\u4e8e\u5b83\u4eec\u7684\u8fd8\u539f\u6027\u548cH2<\/sub>O2<\/sub>\u5438\u9644\u6784\u578b\u622a\u7136\u4e0d\u540c\u3002\u7136\u800c\uff0c\u4e2d\u7b49\u8fd8\u539f\u6027\u7684\u68d2\u72b6Ce6c(110)<\/sub>\u80fd\u591f\u751f\u6210\u53cc\u914d\u4f4d\u57fa\u6216\u5355\u914d\u4f4d\u57fa\u7684peroxo\u7269\u79cd\uff0c\u540c\u65f6\u5177\u6709\u4e24\u79cdH2<\/sub>O2<\/sub>\u6fc0\u6d3b\u8def\u5f84\uff0c\u56e0\u6b64\u5728POD-like\/CAT-like\u548cHPO-like\u53cd\u5e94\u4e2d\u5747\u8868\u73b0\u51fa\u4e2d\u7b49\u7684\u6d3b\u6027\u3002<\/p>\n \u7531\u4e8e HPO-like \u53cd\u5e94\u7684\u4ea7\u7269 HOBr \u53ca POD-like \u53cd\u5e94\u7684\u4ea7\u7269 OH \u81ea\u7531\u57fa\u5747\u88ab\u62a5\u9053\u5177\u6709\u6740\u83cc\u4f5c\u7528\uff0c\u800cCeO2<\/sub>\u516b\u9762\u4f53\u548c\u7acb\u65b9\u4f53\u5206\u522b\u5bf9\u4e24\u79cd\u53cd\u5e94\u5c55\u73b0\u51fa\u5f88\u9ad8\u7684\u4e13\u4e00\u6027,\u56e0\u6b64\u8fdb\u4e00\u6b65\u6bd4\u8f83\u4e86\u5b83\u4eec\u7684\u6297\u83cc\u6548\u679c\u3002\u7814\u7a76\u53d1\u73b0\u5177\u6709\u9ad8 HPO-like \u53cd\u5e94\u6d3b\u6027\u7684\u516b\u9762\u4f53\u5177\u6709\u66f4\u4f18\u8d8a\u7684\u6740\u83cc\u6548\u679c\uff0c\u8be5\u7814\u7a76\u8fd8\u6709\u671b\u5728\u8239\u4f53\u7684\u6297\u751f\u7269\u6c61\u67d3\u65b9\u9762\u5f97\u5230\u8fdb\u4e00\u6b65\u5e94\u7528\u3002<\/p>\n \u5c0f\u7ed3<\/strong><\/p>\n \u672c\u7814\u7a76\u8868\u660e\uff0cH2<\/sub>O2<\/sub>\u76f8\u5173\u9176\u4fc3\u53cd\u5e94\u7684\u4e13\u4e00\u6027\u53ef\u4ee5\u901a\u8fc7\u8c03\u63a7CeO2<\/sub>\u7eb3\u7c73\u9176\u7684\u5f62\u8c8c\u7b80\u5355\u5730\u5b9e\u73b0\u3002\u8fd9\u662f\u56e0\u4e3a\u4e0d\u540c\u5f62\u8c8cCeO2<\/sub>\u8868\u9762\u7684Ce\u4f4d\u70b9\u5177\u6709\u4e0d\u540c\u7684\u914d\u4f4d\/\u7535\u5b50\u7ed3\u6784\uff0c\u4f1a\u5f71\u54cdH2<\/sub>O2<\/sub>\u7684\u6d3b\u5316\u8def\u5f84\uff0c\u4ece\u800c\u5f71\u54cd\u5b83\u4eec\u7684\u9176\u6a21\u62df\u6d3b\u6027\u3002\u5176\u4e2d\uff0c\u7acb\u65b9\u4f53Ce6c(100)<\/sub>\u548c\u516b\u9762\u4f53Ce7c(111)<\/sub>\u5206\u522b\u4ec5\u8868\u73b0\u51faPOD-like\u548cHPO-like\u6d3b\u6027\u3002\u800c\u68d2\u72b6Ce6c(110)<\/sub>\u5982\u6587\u732e\u4e2d\u6240\u62a5\u9053\u7684\u4e00\u6837\u5177\u6709\u591a\u79cd\u9176\u6a21\u62df\u6d3b\u6027\uff0c\u8fd9\u662f\u7531\u4e8e\u5176\u5177\u6709\u4e2d\u7b49\u7684\u8fd8\u539f\u6027\uff0c\u5e76\u4e14\u53ef\u4ee5\u5f62\u6210\u5355\u914d\u4f4d\u57fa\u6216\u53cc\u914d\u4f4d\u57fa\u6784\u578b\u7684peroxo\u6d3b\u6027\u7269\u79cd\u3002\u8fd9\u4e5f\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48\u5177\u6709\u591a\u79cdCe\u4f4d\u70b9\u7684CeO2<\/sub>\u7403\u5f62\u7eb3\u7c73\u9176\u5177\u6709\u591a\u79cd\u9176\u6a21\u62df\u6d3b\u6027\u3002\u56e0\u6b64\uff0c\u8be5\u7814\u7a76\u5f3a\u8c03\u4e86\u7eb3\u7c73\u9176\u8868\u9762\u7814\u7a76\u7684\u91cd\u8981\u6027\uff0c\u5e76\u4e3a\u8bbe\u8ba1\u5177\u6709\u9ad8\u6d3b\u6027\u3001\u53cd\u5e94\u4e13\u4e00\u6027\u548cH2<\/sub>O2<\/sub>\u5229\u7528\u7387\u7684\u7eb3\u7c73\u9176\u63d0\u4f9b\u4e86\u542f\u793a\u3002<\/p>\n \u8bfe\u9898\u7ec4\u4ecb\u7ecd<\/strong><\/p>\n Prof. Will Yung-Kang Peng<\/strong>\u00a0(\u5f6d\u8a60\u5eb7) obtained his bachelor\u2019s degree in Chemistry in 2009 from National Chung Cheng University (Taiwan) and graduated as a Master of Science in 2011 from National Taiwan University. After a year of military service (R.O.C.) and research assistant (NTU), he started a PhD in 2013 at Wolfson Catalysis Centre of Inorganic Chemistry Laboratory at University of Oxford (UK) under the supervision of Prof. Dr. S. C. Edman Tsang, for which he received a Clarendon scholarship from University of Oxford (top 3% graduate of 2013 year). He obtained his PhD degree in 2017 and stayed in the same group for postdoc (2017-2018). During his stay in Oxford, he has authored publications in some respectable journals such as JACS, Nature Communication, Nano Today and Materials Today. His research interest is using NMR-active probe to investigate surface features of faceted catalysts in both qualitative and quantitative manner. He joined the City University of Hong Kong as an Assistant Professor in May 2018.<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n