Effect of heat-treatment temperature on the luminescent properties of Lu 2 O 3 :Eu film prepared by Pechini sol-gel method

Hai Guo, Min Yin, Ning Dong, Mei Xu, Liren Lou, Weiping Zhang*

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摘要

Lutetium oxide (Lu 2 O 3 ) films were prepared by a simple Pechini sol-gel method with LuCl 3 ·6H 2 O as precursor for the first time. Thermogravimetric analysis and differential thermal analysis were used to study the thermal chemistry properties of dried gel. Structural properties of Lu 2 O 3 films heat-treated at different temperature were investigated through X-ray diffraction and Fourier transform infrared spectroscopy. The results show that Lu 2 O 3 starts to crystallize at about 400 °C and the crystallite size increases with the increasing annealing temperature. The dopant Eu 3+ presents its typical emission in Lu 2 O 3 :Eu films. The effect of heat-treatment temperature on the luminescent properties (broadening of emission peak and change of lifetimes of energy level) of the films was also discussed.

源语言英语
页(从-至)245-250
页数6
期刊Applied Surface Science
243
1-4
DOI
出版状态已出版 - 30 4月 2005
已对外发布

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Guo, H., Yin, M., Dong, N., Xu, M., Lou, L., & Zhang, W. (2005). Effect of heat-treatment temperature on the luminescent properties of Lu 2 O 3 :Eu film prepared by Pechini sol-gel method Applied Surface Science, 243(1-4), 245-250. https://doi.org/10.1016/j.apsusc.2004.09.069