Elouali, S and Mills, A and Parkin, IP and Bailey, E and McMillan, PF and Darr, JA (2010) Photocatalytic evolution of hydrogen and oxygen from ceramic wafers of commercial titanias. J PHOTOCH PHOTOBIO A , 216 (2-3) 110 - 114. 10.1016/j.jphotochem.2010.07.033.
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Several commercial titania photocatalyst powders were formed into thin (ca. 350 mu m), 25 mm diameter ceramic wafers, sputter deposited with Pt on one side. The activities of each of the ceramic wafers were tested for hydrogen and oxygen evolution from aqueous sacrificial systems. The commercial sample PC50 (Millennium Chemicals, UK) yielded reproducible ceramic wafers with high activity for water photoreduction. Many of the ceramic wafers displayed low water photo-oxidation activities; however, these were greatly increased with addition of a NiO co-catalyst. In a selected case, hydrogen evolution activity was compared between a PC50 wafer and an identical weight of platinised PC50 powder suspension. (C) 2010 Elsevier B.V. All rights reserved.
|Title:||Photocatalytic evolution of hydrogen and oxygen from ceramic wafers of commercial titanias|
|Keywords:||TiO2, Ceramic wafer, Water-splitting, Photocatalysis, VISIBLE-LIGHT, WATER, TIO2, PHOTOELECTRODES, CELLS|
|UCL classification:||UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry|
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