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Fabrication and photocatalytic property of Pt-intercalated layered perovskite niobates H1−xLaNb2−xMoxO7 (x = 0–0.15)
Abstract.
H1−xLaNb2−xMoxO7 was prepared by solid-state reaction followed by an ion-exchange reaction. Pt
was incorporated in the interlayer of H1−xLaNb2−xMoxO7 by the stepwise intercalation reaction. The
H1−xLaNb2−xMoxO7 showed hydrogen production activity and the activities were greatly enhanced by
Pt co-incorporating. The x value in H1−xLaNb2−xMoxO7 had an important effect on the photocatalytic
activity of the catalyst. When the x = 0.05, the H1−xLaNb2−xMoxO7/Pt showed a photocatalytic activity
of 80cm3 h−1 g−1 hydrogen evolution rate in 10 vol.% methanol solution under irradiation from a 100W
mercury lamp at 333 K.
Keywords:
Semiconductors
Perovskite
HLaNb2O7
Photocatalytic properties
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