Photocatalytic activity of ANbO3(A=Li, Na, K)①
(School of Chemistry and Chemical Engineering,
Central South University, Changsha 410083, China)
Central South University, Changsha 410083, China)
Abstract: The perovskite-photocatalysts ANbO3(A=Li, Na, K) were prepared by solid-state reaction and characterized by power X-ray diffraction and UV-vis diffuse reflectance.The photocatalytic activity of ANbO3(A=Li, Na, K) were in-vestigated with methanol as electron donor and Pt as promoter catalyst under 400 nm UV irradiation.The difference of photocatalytic activity among the three ANbO3(A=Li, Na, K) was also discussed, the individual rate of hydrogen evolution for the ANbO3(A=Li, Na, K) photocatalysts are 1.37, 1.9, 5.49 mmol·L-1·h-1, respectively.
Key words: perovskite-photocatalysts; photocatalytic; hydrogen