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题名:
Supported Rhodium Catalysts for Ammonia-Borane Hydrolysis: Dependence of the Catalytic Activity on the Highest Occupied State of the Single Rhodium Atoms
作者: Wang, LB; Li, HL; Zhang, WB; Zhao, X; Qiu, JX; Li, AW; Zheng, XS; Hu, ZP; Si, R; Zeng, J
刊名: ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
出版日期: 2017
卷号: 56, 期号:17, 页码:4712-4718
关键词: hydrolysis ; metal-support interactions ; rhodium ; single-atom catalysts ; vanadium dioxide
DOI: 10.1002/anie.201701089
文章类型: 期刊论文
英文摘要: Supported metal nanocrystals have exhibited remarkable catalytic performance in hydrogen generation reactions, which is influenced and even determined by their supports. Accordingly, it is of fundamental importance to determine the direct relationship between catalytic performance and metal-support interactions. Herein, we provide a quantitative profile for exploring metal-support interactions by considering the highest occupied state in single-atom catalysts. The catalyst studied consisted of isolated Rh atoms dispersed on the surface of VO2 nanorods. It was observed that the activation energy of ammonia-borane hydrolysis changed when the substrate underwent a phase transition. Mechanistic studies indicate that the catalytic performance depended directly on the highest occupied state of the single Rh atoms, which was determined by the band structure of the substrates. Other metal catalysts, even with non-noble metals, that exhibited significant catalytic activity towards NH3BH3 hydrolysis were rationally designed by adjusting their highest occupied states.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000398576000003
ISSN号: 1433-7851
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27461
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Wang, LB,Li, HL,Zhang, WB,et al. Supported Rhodium Catalysts for Ammonia-Borane Hydrolysis: Dependence of the Catalytic Activity on the Highest Occupied State of the Single Rhodium Atoms[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2017-01-01,56(17):4712-4718.
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文件名: Supported Rhodium Catalysts for Ammonia-Borane Hydrolysis_ Dependence of the Catalytic Activity on the Highest Occupied State of the Single Rhodium Atoms.pdf
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