Abstract
H 1− x LaNb 2− x Mo x O 7 was prepared by solid-state reaction followed by an ion-exchange reaction. Pt was incorporated in the interlayer of H 1− x LaNb 2− x Mo x O 7 by the stepwise intercalation reaction. The H 1− x LaNb 2− x Mo x O 7 showed hydrogen production activity and the activities were greatly enhanced by Pt co-incorporating. The x value in H 1− x LaNb 2− x Mo x O 7 had an important effect on the photocatalytic activity of the catalyst. When the x = 0.05, the H 1− x LaNb 2− x Mo x O 7/Pt showed a photocatalytic activity of 80 cm 3 h −1 g −1 hydrogen evolution rate in 10 vol.% methanol solution under irradiation from a 100 W mercury lamp at 333 K.
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