Catalytically Active Rh Sub-Nanoclusters on TiO2 for CO Oxidation at Cryogenic Temperatures
文献类型：期刊论文
| 作者 | Wang, Aigin1; Wang, Xiaodong1; Guan, Hongling1,3; Lin, Jian1; Qiao, Botao1; Yang, Xiaofeng1; Li, Lin1; Miao, Shu1; Liu, Jingyue2; Zhang, Tao1 |
| 刊名 | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
 |
| 出版日期 | 2016-02-18 |
| 卷号 | 55期号:8页码:2820-2824 |
| 关键词 | Carbon Monoxide Oxidation Catalysis Clusters Cryogenic Temperatures Rhodium |
| ISSN号 | 1433-7851 |
| DOI | 10.1002/anie.201510643 |
| 文献子类 | Article |
| 英文摘要 | The discovery that gold catalysts could be active for CO oxidation at cryogenic temperatures has ignited much excitement in nanocatalysis. Whether the alternative Pt group metal (PGM) catalysts can exhibit such high performance is an interesting research issue. So far, no PGM catalyst shows activity for CO oxidation at cryogenic temperatures. In this work, we report a sub-nano Rh/TiO2 catalyst that can completely convert CO at 223 K. This catalyst exhibits at least three orders of magnitude higher turnover frequency (TOF) than the best Rh-based catalysts and comparable to the well-known Au/TiO2 for CO oxidation. The specific size range of 0.4-0.8 nm Rh clusters is critical to the facile activation of O-2 over the Rh-TiO2 interface in a form of Rh-O-O-Ti (superoxide). This superoxide is ready to react with the CO adsorbed on TiO2 sites at cryogenic temperatures. |
| WOS关键词 | CARBON-MONOXIDE OXIDATION ; NANOPARTICLES ; CATALYST ; OXYGEN ; PLATINUM ; REACTIVITY ; HYDROXIDE ; MECHANISM ; PT/AL2O3 ; METALS |
| WOS研究方向 | Chemistry |
| 语种 | 英语 |
| WOS记录号 | WOS:000370655700034 |
| 出版者 | WILEY-V C H VERLAG GMBH |
| 源URL | [http://cas-ir.dicp.ac.cn/handle/321008/171292]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 通讯作者 | Wang, Xiaodong; Zhang, Tao |
| 作者单位 | 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China 2.Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Aigin,Wang, Xiaodong,Guan, Hongling,et al. Catalytically Active Rh Sub-Nanoclusters on TiO2 for CO Oxidation at Cryogenic Temperatures[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2016,55(8):2820-2824. |
| APA | Wang, Aigin.,Wang, Xiaodong.,Guan, Hongling.,Lin, Jian.,Qiao, Botao.,...&Zhang, Tao.(2016).Catalytically Active Rh Sub-Nanoclusters on TiO2 for CO Oxidation at Cryogenic Temperatures.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,55(8),2820-2824. |
| MLA | Wang, Aigin,et al."Catalytically Active Rh Sub-Nanoclusters on TiO2 for CO Oxidation at Cryogenic Temperatures".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 55.8(2016):2820-2824. |
入库方式： OAI收割
来源：大连化学物理研究所
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