Precursor Development and Aerosol-Assisted Chemical Vapour Deposition for BiVO4 and W-doped BiVO4 Photoanodes: A Universal Ligand Approach

Thom R. Harris-Lee; Matthew K. Surman; Andrew Straiton; Frank Marken; Andrew Johnson

doi:10.1002/cssc.202401452

Precursor Development and Aerosol-Assisted Chemical Vapour Deposition for BiVO4 and W-doped BiVO4 Photoanodes: A Universal Ligand Approach

Thom R. Harris-Lee, Matthew K. Surman, Andrew Straiton, Frank Marken, Andrew Johnson

Research output: Contribution to journal › Article › peer-review

1 Citation (SciVal)

Abstract

Green hydrogen production is a key area of importance for advancing into a completely sustainable world, not only for its use in industry and ammonia production, but also for its potential as a new fuel. One promising method for generating green hydrogen is light-driven water splitting using photoelectrodes. Here, a bismuth vanadate (BiVO4) photoanode deposition process was developed using new, bespoke dual-source precursors, tailored for use in aerosol-assisted chemical vapour deposition (AACVD). The resulting thin films were highly nanostructured and consisted of phase-pure monoclinic BiVO4. Pristine films under 1 sun solar irradiation yielded photocurrent densities of 1.23 mA cm-2 at 1.23 V vs RHE and a peak incident photon-electron conversion efficiency (IPCE) of 82% at 674 nm, the highest performance of any CVD-grown BiVO4 film to date. A new, AACVD-compatible WO3 precursor was subsequently designed and synthesised for the deposition of W-doped BiVO4 within the same single deposition step.

Original language	English
Article number	e202401452
Journal	ChemSusChem
Volume	18
Issue number	4
Early online date	10 Oct 2024
DOIs	https://doi.org/10.1002/cssc.202401452
Publication status	Published - 16 Feb 2025

Data Availability Statement

The data that support the findings of this study are available in the supplementary material of this article.

Funding

We gratefully acknowledge the financial support of the University of Bath and Monash University, and the provision of a Bath/Monash PhD studentship to T. R. H. L.; the authors gratefully acknowledge the Material and Chemical Characterisation Facility (MC) at the University of Bath, https://doi.org/10.15125/mx6j\u20103r54, for technical support and assistance in this work.

Funders	Funder number
University of Bath and Monash University

Keywords

AACVD
BiVO
Doping
Photo-electrochemistry
Water splitting

ASJC Scopus subject areas

Environmental Chemistry
General Chemical Engineering
General Materials Science
General Energy

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1002/cssc.202401452Licence: CC BY

Cite this

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abstract = "Green hydrogen production is a key area of importance for advancing into a completely sustainable world, not only for its use in industry and ammonia production, but also for its potential as a new fuel. One promising method for generating green hydrogen is light-driven water splitting using photoelectrodes. Here, a bismuth vanadate (BiVO4) photoanode deposition process was developed using new, bespoke dual-source precursors, tailored for use in aerosol-assisted chemical vapour deposition (AACVD). The resulting thin films were highly nanostructured and consisted of phase-pure monoclinic BiVO4. Pristine films under 1 sun solar irradiation yielded photocurrent densities of 1.23 mA cm-2 at 1.23 V vs RHE and a peak incident photon-electron conversion efficiency (IPCE) of 82% at 674 nm, the highest performance of any CVD-grown BiVO4 film to date. A new, AACVD-compatible WO3 precursor was subsequently designed and synthesised for the deposition of W-doped BiVO4 within the same single deposition step.",

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AU - Marken, Frank

AU - Johnson, Andrew

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AB - Green hydrogen production is a key area of importance for advancing into a completely sustainable world, not only for its use in industry and ammonia production, but also for its potential as a new fuel. One promising method for generating green hydrogen is light-driven water splitting using photoelectrodes. Here, a bismuth vanadate (BiVO4) photoanode deposition process was developed using new, bespoke dual-source precursors, tailored for use in aerosol-assisted chemical vapour deposition (AACVD). The resulting thin films were highly nanostructured and consisted of phase-pure monoclinic BiVO4. Pristine films under 1 sun solar irradiation yielded photocurrent densities of 1.23 mA cm-2 at 1.23 V vs RHE and a peak incident photon-electron conversion efficiency (IPCE) of 82% at 674 nm, the highest performance of any CVD-grown BiVO4 film to date. A new, AACVD-compatible WO3 precursor was subsequently designed and synthesised for the deposition of W-doped BiVO4 within the same single deposition step.

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Precursor Development and Aerosol-Assisted Chemical Vapour Deposition for BiVO4 and W-doped BiVO4 Photoanodes: A Universal Ligand Approach

Abstract

Data Availability Statement

Funding

Keywords

ASJC Scopus subject areas

UN SDGs

Access to Document

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