The inside cover of this special issue on Photocalysis is provided by Ryu Abe and coworkers, who demonstrate in a Full Paper on page 228 a two-step photoexcitation between Pt-TaON and Pt(PtO)WO3 in the presence of an iodateiodide (IO3−/I−) shuttle redox mediator. The combined photocatalytic water-splitting system is investigated under various reaction conditions, using solutions with different pH values or redox mediator concentrations, and the influence of these factors on the overall efficiency is discussed.
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Abe et al. (2011) studied this question.
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