Aerosol-assisted CVD of bismuth vanadate thin films and their photoelectrochemical properties

Paul Brack; Jagdeep S. Sagu; T. A.Nirmal Peiris; Andrew McInnes; Mauro Senili; K. G.Upul Wijayantha; Frank Marken; Elena Selli

doi:10.1002/cvde.201407142

Aerosol-assisted CVD of bismuth vanadate thin films and their photoelectrochemical properties

Paul Brack, Jagdeep S. Sagu, T. A.Nirmal Peiris, Andrew McInnes, Mauro Senili, K. G.Upul Wijayantha, Frank Marken, Elena Selli

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

57 Citations (SciVal)

Abstract

Thin film bismuth vanadate (BiVO₄) photoelectrodes are prepared by aerosol-assisted (AA)CVD for the first time on fluorinedoped tin oxide (FTO) glass substrates. The BiVO₄ photoelectrodes are characterised by X-ray diffraction (XRD), Raman spectroscopy (RS), and energy-dispersive X-ray (EDX) spectroscopy and are found to consist of phase-pure monoclinic BiVO₄. Scanning electron microscopy (SEM) analysis shows that the thin film is uniform with a porous structure, and consists of particles approximately 75-125 nm in diameter. The photoelectrochemical (PEC) properties of the BiVO₄photoelectrodes are studied in aqueous 1M Na₂SO₄ and show photocurrent densities of 0.4 mA cm^-2, and a maximum incident-photon-to-electron conversion efficiency (IPCE) of 19% at 1.23 V vs. the reversible hydrogen electrode (RHE). BiVO₄ photoelectrodes prepared by this method are thus highly promising for use in PEC water-splitting cells.

Original language	English
Pages (from-to)	41-45
Number of pages	5
Journal	Chemical Vapor Deposition
Volume	21
Issue number	1-3
DOIs	https://doi.org/10.1002/cvde.201407142
Publication status	Published - 1 Jan 2015

Keywords

AACVD
BiVO
Photoelectrochemical
Thin film
Water splitting

ASJC Scopus subject areas

General Chemistry
Surfaces and Interfaces
Process Chemistry and Technology

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

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title = "Aerosol-assisted CVD of bismuth vanadate thin films and their photoelectrochemical properties",

abstract = "Thin film bismuth vanadate (BiVO4) photoelectrodes are prepared by aerosol-assisted (AA)CVD for the first time on fluorinedoped tin oxide (FTO) glass substrates. The BiVO4 photoelectrodes are characterised by X-ray diffraction (XRD), Raman spectroscopy (RS), and energy-dispersive X-ray (EDX) spectroscopy and are found to consist of phase-pure monoclinic BiVO4. Scanning electron microscopy (SEM) analysis shows that the thin film is uniform with a porous structure, and consists of particles approximately 75-125 nm in diameter. The photoelectrochemical (PEC) properties of the BiVO4photoelectrodes are studied in aqueous 1M Na2SO4 and show photocurrent densities of 0.4 mA cm-2, and a maximum incident-photon-to-electron conversion efficiency (IPCE) of 19% at 1.23 V vs. the reversible hydrogen electrode (RHE). BiVO4 photoelectrodes prepared by this method are thus highly promising for use in PEC water-splitting cells.",

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author = "Paul Brack and Sagu, {Jagdeep S.} and Peiris, {T. A.Nirmal} and Andrew McInnes and Mauro Senili and Wijayantha, {K. G.Upul} and Frank Marken and Elena Selli",

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doi = "10.1002/cvde.201407142",

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AU - Brack, Paul

AU - Sagu, Jagdeep S.

AU - Peiris, T. A.Nirmal

AU - McInnes, Andrew

AU - Senili, Mauro

AU - Wijayantha, K. G.Upul

AU - Marken, Frank

AU - Selli, Elena

PY - 2015/1/1

Y1 - 2015/1/1

N2 - Thin film bismuth vanadate (BiVO4) photoelectrodes are prepared by aerosol-assisted (AA)CVD for the first time on fluorinedoped tin oxide (FTO) glass substrates. The BiVO4 photoelectrodes are characterised by X-ray diffraction (XRD), Raman spectroscopy (RS), and energy-dispersive X-ray (EDX) spectroscopy and are found to consist of phase-pure monoclinic BiVO4. Scanning electron microscopy (SEM) analysis shows that the thin film is uniform with a porous structure, and consists of particles approximately 75-125 nm in diameter. The photoelectrochemical (PEC) properties of the BiVO4photoelectrodes are studied in aqueous 1M Na2SO4 and show photocurrent densities of 0.4 mA cm-2, and a maximum incident-photon-to-electron conversion efficiency (IPCE) of 19% at 1.23 V vs. the reversible hydrogen electrode (RHE). BiVO4 photoelectrodes prepared by this method are thus highly promising for use in PEC water-splitting cells.

AB - Thin film bismuth vanadate (BiVO4) photoelectrodes are prepared by aerosol-assisted (AA)CVD for the first time on fluorinedoped tin oxide (FTO) glass substrates. The BiVO4 photoelectrodes are characterised by X-ray diffraction (XRD), Raman spectroscopy (RS), and energy-dispersive X-ray (EDX) spectroscopy and are found to consist of phase-pure monoclinic BiVO4. Scanning electron microscopy (SEM) analysis shows that the thin film is uniform with a porous structure, and consists of particles approximately 75-125 nm in diameter. The photoelectrochemical (PEC) properties of the BiVO4photoelectrodes are studied in aqueous 1M Na2SO4 and show photocurrent densities of 0.4 mA cm-2, and a maximum incident-photon-to-electron conversion efficiency (IPCE) of 19% at 1.23 V vs. the reversible hydrogen electrode (RHE). BiVO4 photoelectrodes prepared by this method are thus highly promising for use in PEC water-splitting cells.

KW - AACVD

KW - BiVO

KW - Photoelectrochemical

KW - Thin film

KW - Water splitting

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Aerosol-assisted CVD of bismuth vanadate thin films and their photoelectrochemical properties

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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