Z-scheme reduction of carbon dioxide with visible light using a binuclear metal complex and a semiconductor

Kazuhiko Maeda

doi:10.1117/12.2237456

26 September 2016 Z-scheme reduction of carbon dioxide with visible light using a binuclear metal complex and a semiconductor

Kazuhiko Maeda

Author Affiliations +

Proceedings Volume 9935, Solar Hydrogen and Nanotechnology XI; 99350J (2016) https://doi.org/10.1117/12.2237456
Event: SPIE Optics + Photonics for Sustainable Energy, 2016, San Diego, California, United States

Abstract

A hybrid material that consists of a semiconductor and a binuclear metal complex having a redox photosensitizer and a catalytic unit was employed as a photocatalyst for CO₂ reduction under visible light. It was found that this kind of hybrid was capable of reducing CO₂ into HCOOH (or CO) according to two-step photoexcitation of the semiconductor and the photosensitizer unit of the metal complex. It was found that semiconductors of TaON, CaTaO₂N, C₃N₄, and Y-Ta oxynitride became active component for this system driven by visible light (λ > 400 nm) in combination with a binuclear Ru(II) complex.

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Kazuhiko Maeda "Z-scheme reduction of carbon dioxide with visible light using a binuclear metal complex and a semiconductor", Proc. SPIE 9935, Solar Hydrogen and Nanotechnology XI, 99350J (26 September 2016); https://doi.org/10.1117/12.2237456

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