Issue 24, 2021

A Na-containing Pt cocatalyst for efficient visible-light-induced hydrogen evolution on BaTaO2N

Abstract

A high degree of cocatalyst dispersion and intimate contact with the photocatalyst are vital for improving the activity of narrow bandgap photocatalytic materials. In this work, the addition of a small number of Na ions to a Pt cocatalyst deposited on a semiconducting BaTaO2N photocatalyst (with an absorption edge of 650 nm) enhanced photocatalytic H2 evolution under visible light irradiation. The addition of Na ions to the Pt-loaded BaTaO2N (Pt/BaTaO2N) caused more efficient evolution of H2 than Na-free Pt/BaTaO2N during Z-scheme overall water splitting. These results should assist in the fabrication of photocatalysts modified with highly dispersed cocatalysts for efficient water splitting.

Graphical abstract: A Na-containing Pt cocatalyst for efficient visible-light-induced hydrogen evolution on BaTaO2N

Supplementary files

Article information

Article type
Communication
Submitted
07 Feb 2021
Accepted
17 Eph 2021
First published
20 Eph 2021

J. Mater. Chem. A, 2021,9, 13851-13854

Author version available

A Na-containing Pt cocatalyst for efficient visible-light-induced hydrogen evolution on BaTaO2N

H. Li, D. Lu, S. Chen, T. Hisatomi, J. J. M. Vequizo, J. Xiao, Z. Wang, L. Lin, Q. Xiao, Y. Sun, Y. Miseki, K. Sayama, A. Yamakata, T. Takata and K. Domen, J. Mater. Chem. A, 2021, 9, 13851 DOI: 10.1039/D1TA01162F

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