Issue 51, 2023

Water splitting and CO2 reduction over an AgSr2Ta5O15 photocatalyst developed by a valence band control strategy

Abstract

Ag+ substitution was applied to a tungsten-bronze-type metal oxide. An AgSr2Ta5O15 photocatalyst has emerged for water splitting and CO2 reduction. DFT calculation and diffuse reflection spectra revealed that the Ag d-orbital formed a new valence band, leading to a narrow band gap (3.91 eV) compared to that of NaSr2Ta5O15 (4.11 eV).

Graphical abstract: Water splitting and CO2 reduction over an AgSr2Ta5O15 photocatalyst developed by a valence band control strategy

Supplementary files

Article information

Article type
Communication
Submitted
27 Mar 2023
Accepted
22 May 2023
First published
22 May 2023
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2023,59, 7911-7914

Water splitting and CO2 reduction over an AgSr2Ta5O15 photocatalyst developed by a valence band control strategy

T. Takayama, A. Iwase and A. Kudo, Chem. Commun., 2023, 59, 7911 DOI: 10.1039/D3CC01481A

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