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Cobalt and iron co-doped ZnSe nanocrystals:Mid-IR luminescence at room temperature
Shi, Huawei1,2; Cui, Xiaoxia1,2; Xiao, Xusheng1,2; Xu, Yantao1,2; Liu, Chao3; Hou, Chaoqi1,2; Guo, Haitao1,2,4
作者部门先进光电与生物材料研究室
2020-05
发表期刊Journal of Luminescence
ISSN00222313
卷号221
产权排序1
摘要

Fe:Co:ZnSe nanocrystals with different co-doping ratios of Fe2+/Co2+ ions were fabricated by hydrothermal synthesis. The facile method used in the present work avoids the mid-infrared quench effect induced by the organic molecular introduced in the past preparation process. These nanocrystals are spherical in shape and exhibit a cubic sphalerite structure with an average grain size of about 15 nm. Through the energy conversion between Co2+ and Fe2+ ions, mid-infrared fluorescences at 3.3 μm and 4.4 μm were detected under 1550 nm laser excitation at room temperature. The fluorescence band of 4.4 μm in the Fe:Co:ZnSe nanocrystals is thought to be an overlapping emission involving the peak centered at 4648 nm corresponding to the Co2+:4T1 (F) → 4T2 (F) energy transition and the peak centered at 4273 nm corresponding to Fe2+:5T2 (D) → 5E (D) energy transition. These high-quality optically active nanomaterials show potential applications in mid-infrared devices such as composite fiber-amplifiers and lasers materials. © 2020

关键词Mid-infrared Transition metal ions Energy transfer Fe:Co:ZnSe nanocrystals Photoluminescence
DOI10.1016/j.jlumin.2020.117102
收录类别SCI ; EI
语种英语
WOS记录号WOS:000518457400039
出版者Elsevier B.V.
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/93245
专题光子功能材料与器件研究室
通讯作者Guo, Haitao
作者单位1.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science (CAS), Xi'an; Shaanxi; 710119, China;
2.Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences (UCAS), Beijing; 100049, China;
3.State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan; Hubei; 430070, China;
4.Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan; Shanxi; 030006, China
推荐引用方式
GB/T 7714
Shi, Huawei,Cui, Xiaoxia,Xiao, Xusheng,et al. Cobalt and iron co-doped ZnSe nanocrystals:Mid-IR luminescence at room temperature[J]. Journal of Luminescence,2020,221.
APA Shi, Huawei.,Cui, Xiaoxia.,Xiao, Xusheng.,Xu, Yantao.,Liu, Chao.,...&Guo, Haitao.(2020).Cobalt and iron co-doped ZnSe nanocrystals:Mid-IR luminescence at room temperature.Journal of Luminescence,221.
MLA Shi, Huawei,et al."Cobalt and iron co-doped ZnSe nanocrystals:Mid-IR luminescence at room temperature".Journal of Luminescence 221(2020).
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