Photocatalytic Activity of HCa2Nb3O10/Pt Doped with Cr3+and Mo6+

doi:10.7517/j.issn.1674-0475.2007.01.57

Abstract

Abstract: Photocatalysts HCa₂Nb₃O₁₀ and HCa₂Nb₃O₁₀ doped with Cr³⁺ and Mo⁶⁺ were prepared by solid-state reaction followed by an ion-exchange reaction.The samples were characterized by powder X-ray diffraction,UV-Vis diffuse reflectance spectrum and scan electron microscope.The photocatalytic activities of HCa₂Nb₃O₁₀ and HCa₂Nb₃O₁₀ doped with Cr³⁺ and Mo⁶⁺ were evaluated by photocatalytic water-splitting for hydrogen production with methanol as electron donor and Pt as promoter catalyst under UV irradiation with wavelength more than 290 nm.The difference of photocatalytic activity among them was also discussed.

Key words: HCa₂Nb₃O₁₀, photocatalysis, doping, hydrogen

CLC Number:

O643

XIE Yan-mei, WU Ji-huai, LIN Jian-ming, HUANG Miao-liang, HUANG Yun-fang, LI Yi-bin. Photocatalytic Activity of HCa₂Nb₃O₁₀/Pt Doped with Cr³⁺and Mo⁶⁺[J]. Imaging Science and Photochemistry, 2007, 25(1): 57-62.

References

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Photocatalytic Activity of HCa₂Nb₃O₁₀/Pt Doped with Cr³⁺and Mo⁶⁺

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