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Photocatalytic water splitting activities of GaN:ZnO modified with various porphyrins were investigated. Tetraphenylporphyrinato-chromium(III) chloride (Cr-TPPCl) showed the most positive effect on the photocatalytic activity of GaN:ZnO, and worked without decomposition in the photocatalytic water splitting for 24h. Fluorescence spectra measurements revealed that photoluminescence intensity of GaN:ZnO...
Photocatalytic activity of KTaO 3 catalyst to water splitting is much improved by organic dye-modification. In particular, cyanocobalamin (Vitamin B 12 ) is the most effective for improving water splitting activity, and the formation rate of H 2 and O 2 are achieved values of 1912 and 979 μimol g cat“ ’h” 1 , respectively, under the light irradiation...
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