Confined Pyrolysis within Metal-Organic Frameworks To Form Uniform Ru-3 Clusters for Efficient Oxidation of Alcohols
Ji, SF; Chen, YJ; Fu, Q; Chen, YF; Dong, JC; Chen, WX; Li, Z; Wang, Y; Gu, L; He, W; Chen, C; Peng, Q; Huang, Y; Duan, XF; Wang, DS; Draxl, C; Li, YD
2017
发表期刊JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
ISSN0002-7863
卷号139期号:29页码:9795-9798
文章类型期刊论文
摘要Here we report a novel approach to synthesize atomically dispersed uniform clusters via a cage-separated precursor preselection and pyrolysis strategy. To illustrate this strategy, well-defined Ru-3(CO)(12) was separated as a precursor by suitable molecular-scale cages of zeolitic imidazolate frameworks (ZIFs). After thermal treatment under confinement in the cages, uniform Ru-3 dusters stabilized by nitrogen species (Ru-3/CN) were obtained. Importantly, we found that Ru-3/CN exhibits excellent catalytic activity (100% conversion), high chemoselectivity (100% for 2-aminobenzaldehyde), and significantly high turnover frequency (TOF) for oxidation of 2-aminobenzyl alcohol. The TOF of Ru-3/CN (4320 h(-1)) is about 23 times higher than that of small-sized (ca. 2.5 nm) Ru particles (TOF = 184 h(-1)). This striking difference is attributed to a disparity in the interaction between Ru species and adsorbed reactants.
关键词Single-atom Catalysts Functional Materials Platinum Air
DOI10.1021/jacs.7b05018
关键词[WOS]SINGLE-ATOM CATALYSTS ; FUNCTIONAL MATERIALS ; PLATINUM ; AIR
收录类别SCI
语种英语
WOS记录号WOS:000406649600012
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28588
专题中科院上海应用物理研究所2011-2018年
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Ji, SF,Chen, YJ,Fu, Q,et al. Confined Pyrolysis within Metal-Organic Frameworks To Form Uniform Ru-3 Clusters for Efficient Oxidation of Alcohols[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2017,139(29):9795-9798.
APA Ji, SF.,Chen, YJ.,Fu, Q.,Chen, YF.,Dong, JC.,...&Li, YD.(2017).Confined Pyrolysis within Metal-Organic Frameworks To Form Uniform Ru-3 Clusters for Efficient Oxidation of Alcohols.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,139(29),9795-9798.
MLA Ji, SF,et al."Confined Pyrolysis within Metal-Organic Frameworks To Form Uniform Ru-3 Clusters for Efficient Oxidation of Alcohols".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 139.29(2017):9795-9798.
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