2017
当前位置: 首页 >> 材料学科论文推介平台 >> 2017 >> 正文

Super broadband near-infrared luminescence in Ni2 +-Er3 + co-doped transparent glass ceramics

发布者:  发布时间:2018年10月24日 10:20

Journal of Non-Crystalline Solids (IF:2.488)

Volume 471, July 2017, Pages 446-451

 

Super broadband near-infrared luminescence in Ni2 +-Er3 + co-doped transparent glass ceramics

 

Jian Zheng, Yin Cheng*, Zhuoer Deng, Yin Xiong

https://doi.org/10.1016/j.jnoncrysol.2017.06.039

 

Abstract

Ni2+-Er3+ co-doped glass ceramics containing ZnGa2O4 nanocrystals were fabricated by in situ controlled crystallization method. Theadverse energy transfer betweenNi2+andEr3+couldbe suppressedin theZnGa2O4 glass ceramics. And the super-broadband infrared luminescence with full width at half maximum (FWHM) of about 400 nm covering 1.1–1.7μm wavelength region was observed in Ni2+-Er3+co-doped glass ceramics. The two lifetimes of 1NE-GC950 revealed that two luminescence mechanism involved in the luminescence process, Ni2+: 3T2g (3F) → 3A2g (3F) and Er3+: 4I13/2 → 4I15/2 respectively. Compared to that in the Ni2+/Er3+co-doped glass ceramic containing γ-Ga2O3and LaF3 nanocrystals, the nanocrystals in the present paper is just only one, ZnGa2O4 nanocrystals, and it could also present super-broadband luminescence.