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- W2080057745 abstract "The visible light-induced hydrogen production by water splitting reactions was studied by using undoped or Rh(III)Cu(II)-doped, with or without RuO2 loaded α-Fe2O3 at different pH values in the presence of methyl viologen (MV2+) as an electron relay. Loading with Rh(III) and Cu(II) ions enhances the hydrogen production efficiency of the photocatalyst. Rh(III) is more efficient than Cu(II) in increasing the photocatalytic activity of α-Fe2O3 This increased activity is explained on the basis of the role of the metal ions loaded in photogenerated electron-hole separation. Simultaneous loading of RuO2 and Rh(III)Cu(II) ions further enhances the efficiency. The dark recombination reaction of the evolved hydrogen and oxygen gases has also been investigated and α-Fe2O3 is found to be a good catalyst for both formation (on illumination) and recombination (in the dark) of the two gases. A reaction mechanism involving all these observations has been proposed to explain the photocatalytic cleavage of water." @default.
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- W2080057745 date "1995-04-01" @default.
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- W2080057745 title "Photogeneration of hydrogen using visible light with undoped/doped α-Fe2O3 in the presence of methyl viologen" @default.
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- W2080057745 doi "https://doi.org/10.1016/0360-3199(94)e0028-w" @default.
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