Pechini Sol-Gel Fabrication and Luminescent Properties of Lu2SiO5: Ln3+ (Ln=Tb,Ce) Thin Films

Si Qing Shen; Zhi Bin Xu; Qing Ma; Jian Jun Xie; Ying Shi; Jia Yue Xu; Fei Ai

doi:10.4028/www.scientific.net/AMM.84-85.631

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 84-85Pechini Sol-Gel Fabrication and Luminescent...

Pechini Sol-Gel Fabrication and Luminescent Properties of Lu₂SiO₅: Ln³⁺ (Ln=Tb,Ce) Thin Films

Abstract:

Ln³⁺(Ce³⁺ and Tb³⁺) -doped Lu₂SiO₅ thin films were fabricated by Pechini sol–gel method combined with spin-coating technique on silicon substrates. The results of XRD patterns indicate that the films are completely crystallized at 1100 °C, the AFM observation reveals that the phosphor films are uniform and crack-free, consisting of closely packed grains with an average size of 200-300 nm. The PL and PLE spectra show the characteristic emission for Tb³⁺and Ce³⁺, the optimum concentrations are found for LSO:Tb³⁺(8%) and LSO:Ce3+ (2%) with respectively, the effect of heat-treatment temperature on the luminescent properties is also investigated.

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Periodical:

Applied Mechanics and Materials (Volumes 84-85)

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631-634

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.84-85.631

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Online since:

August 2011

Authors:

Si Qing Shen, Zhi Bin Xu, Qing Ma, Jian Jun Xie, Ying Shi, Jia Yue Xu, Fei Ai

Keywords:

Ce³⁺, Fabrication, Luminescence, Lutetium Oxyorthosilicate Films, Sol-Gel (SG), Tb³⁺

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