Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.cej.2011.12.039
Title: Metal loaded WO 3 particles for comparative studies of photocatalysis and electrolysis solar hydrogen production
Authors: Ho, G.W. 
Chua, K.J. 
Siow, D.R.
Keywords: Electrolysis
Hydrogen
Photoelectrochemical
Tungsten oxide
Water-splitting
Issue Date: 1-Feb-2012
Source: Ho, G.W., Chua, K.J., Siow, D.R. (2012-02-01). Metal loaded WO 3 particles for comparative studies of photocatalysis and electrolysis solar hydrogen production. Chemical Engineering Journal 181-182 : 661-666. ScholarBank@NUS Repository. https://doi.org/10.1016/j.cej.2011.12.039
Abstract: Striving for new solar hydrogen fuel, the water oxidation reaction based on photocatalyst suspension and photoelectrochemical (PEC) cell are currently the most important research for sustainable energy. Here, the effects of electrolyte pH, crystallinity and grain size of tungsten trioxide (WO 3) particles on photoconductivity are studied. Subsequently, a simple hydrothermal route was employed to synthesize Cs loaded WO 3 (Cs-WO 3) particles to further improve the photochemical reactivity. The photoanodes and photocatalyst based on the Cs-WO 3 reveals a different photoreactivity performance in the PEC and photocatalyst suspension systems. This important fundamental insight can assist in optimization of WO 3 particles photocatalyst and photoanode for future hybrid photocatalysis-electrolysis water splitting system. Based on the high photocatalytic capability demonstrated in this study, surface modified WO 3 particles are proven to be a promising candidate for efficient water-splitting catalyst. © 2012 Elsevier B.V.
Source Title: Chemical Engineering Journal
URI: http://scholarbank.nus.edu.sg/handle/10635/82682
ISSN: 13858947
DOI: 10.1016/j.cej.2011.12.039
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