Вышедшие номера
Optical analysis using effective medium theory and finite element method to study the enhanced light absorption in porous BaMgAl10O17 : Eu2+ phosphor
Переводная версия: 10.1134/S1063783419080286
Liang Ying-Lin1, Yin Liang-Jun2, Bui Hao-Van3,4, Jian Xian2, Yang Guang5, Ding Jie-Xiong1
1School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Xiyuan Road, Chengdu, P.R.China
2School of Materials and Energy, University of Electronic Science and Technology of China, Xiyuan Road, Chengdu, P.R.China
3Phenikaa Institute for Advanced Study, Phenikaa University, Yen Nghia, Ha-Dong district, Hanoi, Vietnam
4Phenikaa Research and Technology Institute, A&A Green Phoenix Group, 167 Hoang Ngan, Hanoi, Vietnam
5National Engineering Research Center of Electromagnetic Radiation Control Materials, University of Electronic Science and Technology of China, Xiyuan Road, Chengdu, P. R. China
Email: liang_yinglin@uestc.edu.cn, ylj@mail.ustc.edu.cn
Поступила в редакцию: 30 января 2019 г.
Выставление онлайн: 20 июля 2019 г.

The main objective of this paper is to reveal the mechanism of enhanced excitation light absorption in nano-pores structure BaMgAl10O17 : Eu2+ (BAM) phosphor by optical analysis. The optical refractive index of the BAM was calculated from the reflectance spectra by Kramers--Kronig dispersion relation. And based on the effective medium theory, the anisotropic optical properties of porous BAM layer and its relations of absorption enhancement with porosity and thickness were investigated. A finite element simulation model was used for study the influence of pores size on optical properties. All the numerically evaluated results were match the experimental data.

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