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Synthesis and characterisation of Fe-V-O thin film photoanodes

Synthesis and characterisation of Fe-V-O thin film photoanodes

Morton, Craig D., Slipper, Ian J., Thomas, Michael J. K. and Alexander, Bruce D. (2010) Synthesis and characterisation of Fe-V-O thin film photoanodes. Journal of Photochemistry and Photobiology A: Chemistry, 216 (2-3). 209 - 214. ISSN 1010-6030 (doi:10.1016/j.jphotochem.2010.08.010)

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Abstract

FeVO4 was synthesised using a low temperature, aqueous precipitation reaction. The material prepared directly from this synthesis was found to be predominantly amorphous and required a thermal treatment. The resultant material was characterised using XRD, FT-IR, Raman spectroscopy and magnetic susceptibility measurements. Materials annealed above 600 °C were found to consist mainly of FeVO4, although traces of hematite were found following annealing at higher temperatures. Diffuse-reflectance UV spectroscopy and subsequent Tauc plots revealed a band gap of ca. 2.00 eV corresponding to an indirect transition. Photocurrent-voltage characteristics recorded under simulated solar illumination indicate that photocurrents are sensitive to annealing temperature and the number of layers deposited on an electrode surface.

Item Type: Article
Additional Information: [1] Paper given at 3rd International Conference on Semiconductor Photochemistry, SP-3, held April 2010, Glasgow UK. Issue edited by Andrew Mills and Peter Robertson.
Uncontrolled Keywords: semiconductor, Raman spectroscopy, thin films, electrodes hydrogen
Subjects: Q Science > QD Chemistry
T Technology > TP Chemical technology
Faculty / Department / Research Group: Faculty of Engineering & Science > Department of Pharmaceutical, Chemical & Environmental Sciences
Related URLs:
Last Modified: 08 Dec 2016 12:03
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/4238

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