Optical properties of Li2B4O7 polycrystalline films prepared by screen-painting method

LiJuan Jia; Qian Wang; Jikang Jian; Yanfei Sun; Fei Shang

doi:10.1117/12.792377

11 March 2008 Optical properties of Li₂B₄O₇ polycrystalline films prepared by screen-painting method

LiJuan Jia, Qian Wang, Jikang Jian, Yanfei Sun, Fei Shang

Proceedings Volume 6984, Sixth International Conference on Thin Film Physics and Applications; 698412 (2008) https://doi.org/10.1117/12.792377
Event: Sixth International Conference on Thin Film Physics and Applications, 2007, Shanghai, China

Abstract

Li₂B₄O₇ thin films were fabricated by screen-painting method on graphite substrates, and annealed at 300°C, 500°C, 600°C and 800°C for 3 hours, respectively. X-ray diffraction analyses show that the crystallinity of the films depends on the annealing temperature. The X-ray diffraction reflections of films become stronger after annealed at 300°C while a strong peak of graphite substrate appears. The XRD reflections of Li₂B₄O₇ layers broaden and weaken when annealed at 500°C-600°C.When the sample was annealed at 800°C, the XRD peaks of films become sharper and stronger again. These results indicate that the optimum annealing temperature for Li₂B₄O₇ thin films is 300°C or above 600°C. The SEM observations shows that the grain size is larger after annealed at 300°C. We also studied the optical absorption properties of the Li₂B₄O₇ films by the UV-VIS analysis.

Citation Download Citation

LiJuan Jia, Qian Wang, Jikang Jian, Yanfei Sun, and Fei Shang "Optical properties of Li₂B₄O₇ polycrystalline films prepared by screen-painting method", Proc. SPIE 6984, Sixth International Conference on Thin Film Physics and Applications, 698412 (11 March 2008); https://doi.org/10.1117/12.792377

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