Abstract
The application of nickel molybdate, NiMoO4, and the nickel vanadates NiV2O6, Ni2V2O7 and Ni3V2O8 as photoanodes in a photoelectrochemical cell is investigated. Based on the optical and structural properties reported and discussed, NiV2O6 would be a good candidate, but attempts to prepare dense pellets were not successful. For Ni2V2O7 and
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