Issue 4, 2023

In situ integration of a cocatalyst and heterojunction to a WO3 photoanode with enhanced photoelectrochemical performance via phosphatization

Abstract

A novel ternary NiPx/NiWO4/WO3 photoanode with the cooperation effect of a heterojunction and cocatalyst was successfully fabricated by an in situ phosphatization process. The NiWO4 layer forms a heterojunction with WO3 to improve the separation and transfer of electron–hole pairs. NiPx acts as a cocatalyst for accelerating the surface water oxidation reaction. A 2.55-fold improvement in photocurrent density at 1.23 V vs. RHE was achieved compared with the pristine WO3 film.

Graphical abstract: In situ integration of a cocatalyst and heterojunction to a WO3 photoanode with enhanced photoelectrochemical performance via phosphatization

Supplementary files

Article information

Article type
Communication
Submitted
30 Sep 2022
Accepted
26 Dec 2022
First published
04 Jan 2023

New J. Chem., 2023,47, 1620-1624

In situ integration of a cocatalyst and heterojunction to a WO3 photoanode with enhanced photoelectrochemical performance via phosphatization

F. Zhan, H. Zhao, G. Wen, Z. Ma, Y. Liu, M. Zhu, Y. Zheng, D. Chen and P. La, New J. Chem., 2023, 47, 1620 DOI: 10.1039/D2NJ04818C

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