Infrared properties of lithium-intercalated vanadium pentoxide films

Guangming Wu; Yonggang Wu; Xingyuan Ni; Zhen Zhou; Huiqin Zhang; Zhemin Jin; Xiang Wu

doi:10.1117/12.300708

20 February 1998 Infrared properties of lithium-intercalated vanadium pentoxide films

Guangming Wu, Yonggang Wu, Xingyuan Ni, Zhen Zhou, Huiqin Zhang, Zhemin Jin, Xiang Wu

Proceedings Volume 3175, Third International Conference on Thin Film Physics and Applications; (1998) https://doi.org/10.1117/12.300708
Event: Third International Conference on Thin Film Physics and Applications, 1997, Shanghai, China

Abstract

Vanadium pentoxide films were prepared by evaporation followed by annealing post-treatment in O₂ atmosphere. Lithium was inserted electrochemically from an electrolyde into vanadium pentoxide films so that Li_xV₂O₅ was formed. The structure of the post-treated samples was determined by XRD and infrared reflectance was measured by FTIR for as-grown and lithiated films, respectively. The experimental results have shown that V₂O₅ thin films have some infrared absorption peaks located at 982, 824, 527 and 504 cm^-1, and the infrared vibration bands corresponding to the peaks have a good agreement with the analysis by Abello et al. for polycrystalline V₂O₅, and there is an obvious influence of lithium insertion on the infrared vibration properties which may be reconciled with the lattice change such as expansion and contraction.

Citation Download Citation

Guangming Wu, Yonggang Wu, Xingyuan Ni, Zhen Zhou, Huiqin Zhang, Zhemin Jin, and Xiang Wu "Infrared properties of lithium-intercalated vanadium pentoxide films", Proc. SPIE 3175, Third International Conference on Thin Film Physics and Applications, (20 February 1998); https://doi.org/10.1117/12.300708

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