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Efficient Visible-Light-Driven Carbon Dioxide Reduction by a Single-Atom Implanted Metal-Organic Framework
Zhang, HB; Wei, J; Dong JC(董俊才); An PF(安鹏飞); Zhang J(张静); Dong, JC; Liu, GG; Shi, L; An, PF; Zhao, GX; Kong, JT; Wang, XJ; Meng, XG; Zhang, J; Ye, JH
2016
发表期刊ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷号55期号:46页码:14310-14314
文章类型期刊论文
摘要Modular optimization of metal-organic frameworks (MOFs) was realized by incorporation of coordinatively unsaturated single atoms in a MOF matrix. The newly developed MOF can selectively capture and photoreduce CO2 with high efficiency under visible-light irradiation. Mechanistic investigation reveals that the presence of single Co atoms in the MOF can greatly boost the electron-hole separation efficiency in porphyrin units. Directional migration of photogenerated excitons from porphyrin to catalytic Co centers was witnessed, thereby achieving supply of long-lived electrons for the reduction of CO2 molecules adsorbed on Co centers. As a direct result, porphyrin MOF comprising atomically dispersed catalytic centers exhibits significantly enhanced photocatalytic conversion of CO2, which is equivalent to a 3.13-fold improvement in CO evolution rate (200.6 mu mol g(-1) h(-1)) and a 5.93-fold enhancement in CH4 generation rate (36.67 mu mol g(-1) h(-1)) compared to the parent MOF.
关键词active sites CO2 reduction heterogeneous catalysis photocatalysis solar-energy conversion
DOI10.1002/anie.201608597
关键词[WOS]PHOTOCATALYTIC CO2 REDUCTION ; WATER OXIDATION ; HIGHLY EFFICIENT ; CATALYSTS ; TRANSFORMATIONS ; PERFORMANCE ; CLUSTERS ; COBALT ; MOFS
语种英语
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000387028000018
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260418
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Zhang, HB,Wei, J,Dong JC,et al. Efficient Visible-Light-Driven Carbon Dioxide Reduction by a Single-Atom Implanted Metal-Organic Framework[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2016,55(46):14310-14314.
APA Zhang, HB.,Wei, J.,董俊才.,安鹏飞.,张静.,...&Ye, JH.(2016).Efficient Visible-Light-Driven Carbon Dioxide Reduction by a Single-Atom Implanted Metal-Organic Framework.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,55(46),14310-14314.
MLA Zhang, HB,et al."Efficient Visible-Light-Driven Carbon Dioxide Reduction by a Single-Atom Implanted Metal-Organic Framework".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 55.46(2016):14310-14314.
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