Sol-gel preparation and characterization of transparent GdTaO4: Eu3+ thick films

Kun Han; Mu Gu; Xiaolin Liu; Chen Ni; Shiming Huang; Bo Liu

doi:10.1117/12.792574

11 March 2008 Sol-gel preparation and characterization of transparent GdTaO₄: Eu³⁺ thick films

Kun Han, Mu Gu, Xiaolin Liu, Chen Ni, Shiming Huang, Bo Liu

Proceedings Volume 6984, Sixth International Conference on Thin Film Physics and Applications; 69841E (2008) https://doi.org/10.1117/12.792574
Event: Sixth International Conference on Thin Film Physics and Applications, 2007, Shanghai, China

Abstract

Transparent luminescent films have been believed to have the potential applications in high spatial resolution X-ray imaging system. However, it is usually restricted by the thickness of the film. Instead of alkoxide, GdTaO₄:Eu³⁺ film with a thickness of about 0.8 μm was prepared from an inorganic salt-2-methoxyethanol solution containing polyvinylpyrrolidone (PVP) as an additive via single-step spin coating. The whole process was carried out without inert atmosphere which is necessary for alkoxides. The fired film is optically transparent and crack-free, and exhibits a strong luminescence at 611 nm under X-ray excitation.

Citation Download Citation

Kun Han, Mu Gu, Xiaolin Liu, Chen Ni, Shiming Huang, and Bo Liu "Sol-gel preparation and characterization of transparent GdTaO₄: Eu³⁺ thick films", Proc. SPIE 6984, Sixth International Conference on Thin Film Physics and Applications, 69841E (11 March 2008); https://doi.org/10.1117/12.792574

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