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DOI | 10.1038/s41467-020-14816-w |
Activating low-temperature diesel oxidation by single-atom Pt on TiO2 nanowire array | |
Son Hoang; Yanbing Guo; Andrew J. Binder; Wenxiang Tang; Sibo Wang; Jingyue Liu; Huan Tran; Xingxu Lu; Yu Wang; Yong Ding; Eleni A. Kyriakidou; Ji Yang; Todd J. Toops; Thomas R. Pauly; Rampi Ramprasad; Pu-Xian Gao | |
2020-02-26 | |
发表期刊 | Nature |
出版年 | 2020 |
英文摘要 | Supported metal single atom catalysts (SACs) present an emerging class of low-temperature catalysts with high reactivity and selectivity, which, however, face challenges on both durability and practicality. Herein, we report a single-atom Pt catalyst that is strongly anchored on a robust nanowire forest of mesoporous rutile titania grown on the channeled walls of full-size cordierite honeycombs. This Pt SAC exhibits remarkable activity for oxidation of CO and hydrocarbons with 90% conversion at temperatures as low as ~160 oC under simulated diesel exhaust conditions while using 5 times less Pt-group metals than a commercial oxidation catalyst. Such an excellent low-temperature performance is sustained over hydrothermal aging and sulfation as a result of highly dispersed and isolated active single Pt ions bonded at the Ti vacancy sites with 5 or 6 oxygen ions on titania nanowire surfaces. |
领域 | 资源环境 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/249773 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | Son Hoang,Yanbing Guo,Andrew J. Binder,et al. Activating low-temperature diesel oxidation by single-atom Pt on TiO2 nanowire array[J]. Nature,2020. |
APA | Son Hoang.,Yanbing Guo.,Andrew J. Binder.,Wenxiang Tang.,Sibo Wang.,...&Pu-Xian Gao.(2020).Activating low-temperature diesel oxidation by single-atom Pt on TiO2 nanowire array.Nature. |
MLA | Son Hoang,et al."Activating low-temperature diesel oxidation by single-atom Pt on TiO2 nanowire array".Nature (2020). |
条目包含的文件 | 条目无相关文件。 |
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