The photoelectrochemical properties of FTO/WO3/BiVO4/TiO2 photoanode for water splitting

Huanyu Shen, Graham Dawson, Ying Wu, Fang Cao, Xiaorong Cheng*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This work investigates the photoelectrochemical performance of an FTO (Fluorine-doped Tin Oxide) /WO3 (tungsten trioxide) /BiVO4 (bismuth vanadate) /TiO2 (titanium dioxide) photoanode for water splitting. By forming a heterojunction between WO3 and BiVO4, charge separation and transportation are significantly enhanced, resulting in an improved photocurrent density. Surface modification with a thin TiO2 layer further improves the stability of the photoanode without compromising its photocurrent. The SEM, XRD, and XPS analyses confirm the successful formation of the photoanode structure. The photoelectrochemical J-V curves demonstrate that the WO3/BiVO4 composite electrode outperforms single WO3 and BiVO4 electrodes, and the TiO2 coating further enhances its performance. These findings provide valuable insights into optimizing BiVO4-based photoanodes for efficient hydrogen production via water splitting.

Original languageEnglish
Article number112457
JournalChemical Physics
Volume588
DOIs
Publication statusPublished - 1 Jan 2025

Keywords

  • BiVO
  • Heterojunction
  • Photoanode
  • Photoelectrochemical Performance
  • Water Splitting

Fingerprint

Dive into the research topics of 'The photoelectrochemical properties of FTO/WO3/BiVO4/TiO2 photoanode for water splitting'. Together they form a unique fingerprint.

Cite this