期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 53, 期 27, 页码 7058-7062出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201311128
关键词
CO2 reduction; heterogeneous catalysis; hydrogen splitting; metal-organic frameworks; structural defects
资金
- Consolider-Ingenio (project MULTICAT)
- Severo Ochoa program
A mixed-linker solid-solution approach was employed to modify the metal sites and introduce structural defects into the mixed-valence Ru-II/III structural analogue of the well-known MOF family [M-3(II,II)(btc)(2)] (M= Cu, Mo, Cr, Ni, Zn; btc= benzene-1,3,5-tricarboxylate), with partly missing carboxylate ligators at the Ru-2 paddle-wheels. Incorporation of pyridine-3,5-dicarboxylate (pydc), which is the same size as btc but carries lower charge, as a second, defective linker has led to the mixed-linker isoreticular derivatives of Ru-MOF, which display characteristics unlike those of the defect-free framework. Along with the creation of additional coordinatively unsaturated sites, the incorporation of pydc induces the partial reduction of ruthenium. Accordingly, the modified Ru sites are responsible for the activity of the defective variants in the dissociative chemisorption of CO2, the enhanced performance in CO sorption, the formation of hydride species, and the catalytic hydrogenation of olefins.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据