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Photochemical Reduction of Low Concentrations of CO2 in a Porous Coordination Polymer with a Ruthenium(II)–CO Complex

Kajiwara, Takashi, Fujii, Machiko, Tsujimoto, Masahiko, Kobayashi, Katsuaki, Higuchi, Masakazu, Tanaka, Koji, Kitagawa, Susumu·2016·Angewandte Chemie International Edition

Abstract

Direct use of low pressures of CO 2 as a C1 source without concentration from gas mixtures is of great interest from an energy‐saving viewpoint. Porous heterogeneous catalysts containing both adsorption and catalytically active sites are promising candidates for such applications. Here, we report a porous coordination polymer (PCP)‐based catalyst, PCP‐Ru II composite, bearing a Ru II‐CO complex active for CO 2 reduction. The PCP‐Ru II composite showed improved CO 2 adsorption behavior at ambient temperature. In the photochemical reduction of CO 2 the PCP‐Ru II composite produced CO, HCOOH, and H 2. Catalytic activity was comparable with the corresponding homogeneous Ru II catalyst and ranks among the highest of known PCP‐based catalysts. Furthermore, catalytic activity was maintained even under a 5 % CO 2/Ar gas mixture, revealing a synergistic effect between the adsorption and catalytically active sites within the PCP‐Ru II composite.

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Metadata

Authors
Kajiwara, T., Fujii, M., Tsujimoto, M., Kobayashi, K., Higuchi, M., Tanaka, K., & Kitagawa, S.
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2016-01-22
Volume
55
Issue
8
Pages
2697-2700
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2273008607
Cited by
263
References
0
FWCI
8.13
Type
journal article
Language
en
Open access
closed

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Kajiwara, T., Fujii, M., Tsujimoto, M., Kobayashi, K., Higuchi, M., Tanaka, K., & Kitagawa, S. (2016). Photochemical Reduction of Low Concentrations of CO2 in a Porous Coordination Polymer with a Ruthenium(II)–CO Complex. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201508941

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