Influence of ethylene glycol on efficient photoelectrochemical activity of BiVO4 photoanode via AACVD

S. N F Mohd-Nasir, Mohd Asri Mat Teridi, M. Ebadi, J. S. Sagu, M. Y. Sulaiman, Norasikin Ahmad Ludin, Mohd. Adib Ibrahim

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Thin-film bismuth vanadate, BiVO4 photoanode was fabricated on fluorine-doped tin oxide via aerosol-assisted chemical vapor deposition, AACVD, with ethylene glycol as a solvent. The structure and morphology of the BiVO4 thin film were analyzed using X-ray diffraction and field emission scanning electron microscopy and found to have monoclinic clinobisvanite structure with a noncompact nanoparticle distribution. The optical properties and bandgap estimation showed the BiVO4 thin film exhibited a characteristic peak in the visible-light region with bandgap energy of 2.43 eV. The photoelectrochemical properties were investigated in a 0.5 M Na2SO4 electrolyte without any sacrificial agent or electron/hole scavenger resulting in 0.73 mA cm-2 at 1.23 V vs. SCE. The electrochemical impedance spectroscopy revealed good charge-transfer characteristics of the photoanode and the Mott-Schottky plot was used to estimate the conduction and valence-band position of BiVO4.

Original languageEnglish
Pages (from-to)2910-2914
Number of pages5
JournalPhysica Status Solidi (A) Applications and Materials Science
Volume212
Issue number12
DOIs
Publication statusPublished - 1 Dec 2015

Fingerprint

Ethylene Glycol
Ethylene glycol
glycols
ethylene
Thin films
thin films
vanadates
Optical band gaps
Valence bands
Conduction bands
Tin oxides
Bismuth
Electrochemical impedance spectroscopy
Fluorine
Field emission
bismuth
tin oxides
Aerosols
fluorine
Charge transfer

Keywords

  • aerosols
  • BiVO
  • chemical vapor deposition
  • ethylene glycol
  • photoelectrochemical water splitting

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

Influence of ethylene glycol on efficient photoelectrochemical activity of BiVO4 photoanode via AACVD. / Mohd-Nasir, S. N F; Mat Teridi, Mohd Asri; Ebadi, M.; Sagu, J. S.; Sulaiman, M. Y.; Ahmad Ludin, Norasikin; Ibrahim, Mohd. Adib.

In: Physica Status Solidi (A) Applications and Materials Science, Vol. 212, No. 12, 01.12.2015, p. 2910-2914.

Research output: Contribution to journalArticle

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