Function-Integrated Ru Catalyst for Photochemical CO2 Reduction

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[1] [1,Lee, Sze Koon
[2] 1,2,3,Kondo, Mio
[3] Okamura, Masaya
[4] 1,Enomoto, Takafumi
[5] 1,Nakamura, Go
[6] 1,2,Masaoka, Shigeyuki
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Masaoka, Shigeyuki (masaoka@ims.ac.jp) | 2018年 / American Chemical Society卷 / 140期
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Visible-light-driven catalytic reduction of CO2 is at the heart of artificial photosynthesis. Here, we demonstrate the first example of a Ru complex that can function both as a photosensitizer and catalyst for CO2 reduction. The catalyst exhibited excellent activity for CO evolution with a high turnover number (TON, 353 for 24 h), reaction rate (TOF, 14.7 h-1), and product selectivity (97%) under visible-light irradiation. We also succeeded in selective product formation (CO or HCOOH) by changing the basicity of the reaction media. This finding will open new avenues for visible-light-driven photoredox catalysis using Ru-based function-integrated photocatalysts. © 2018 American Chemical Society.
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