Influence of thermal treatment on the near-infrared broadband luminescence of Bi: CsI crystals

Xiao Fan; Liangbi Su; Guohao Ren; Xiantao Jiang; Haibo Xing; Jun Xu; Huili Tang; Hongjun Li; Lihe Zheng; Xiaobo Qian; He Feng

doi:10.1364/OME.3.000400

Influence of thermal treatment on the near-infrared broadband luminescence of Bi

CsI crystals

Xiao Fan, Liangbi Su^*, Guohao Ren, Xiantao Jiang, Haibo Xing, Jun Xu, Huili Tang, Hongjun Li, Lihe Zheng, Xiaobo Qian, He Feng

^*Corresponding author for this work

Research output: Contribution to journal › Article

8 Citations (Scopus)

Abstract

Near-infrared (NIR) emitting active centers can exist abundant in Bi:CsI crystal. In addition, Bi:CsI have the simplest crystal structure, body-centered cubic (BCC). In this paper, annealing and quenching treatments were carried out in detail to identify the nature of NIR emitting active centers in Bi:CsI crystals. The changes of absorption and emission spectra with increasing the thermal treatment temperature indicated that the two NIR emission bands at 1210 nm and 1580 nm were related to Bi⁺ and Bi₂ ⁺, respectively. Besides, the assignments of absorption bands and the thermal behaviors of Bi³⁺, Bi²⁺, Bi⁺ and Bi₂ ⁺ were discussed as well.

Original language	English
Pages (from-to)	400-406
Number of pages	7
Journal	Optical Materials Express
Volume	3
Issue number	3
DOIs	https://doi.org/10.1364/OME.3.000400
Publication status	Published - Mar 2013
Externally published	Yes

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Fan, X., Su, L., Ren, G., Jiang, X., Xing, H., Xu, J., ... Feng, H. (2013). Influence of thermal treatment on the near-infrared broadband luminescence of Bi: CsI crystals. Optical Materials Express, 3(3), 400-406. https://doi.org/10.1364/OME.3.000400

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title = "Influence of thermal treatment on the near-infrared broadband luminescence of Bi: CsI crystals",

abstract = "Near-infrared (NIR) emitting active centers can exist abundant in Bi:CsI crystal. In addition, Bi:CsI have the simplest crystal structure, body-centered cubic (BCC). In this paper, annealing and quenching treatments were carried out in detail to identify the nature of NIR emitting active centers in Bi:CsI crystals. The changes of absorption and emission spectra with increasing the thermal treatment temperature indicated that the two NIR emission bands at 1210 nm and 1580 nm were related to Bi+ and Bi2 +, respectively. Besides, the assignments of absorption bands and the thermal behaviors of Bi3+, Bi2+, Bi+ and Bi2 + were discussed as well.",

author = "Xiao Fan and Liangbi Su and Guohao Ren and Xiantao Jiang and Haibo Xing and Jun Xu and Huili Tang and Hongjun Li and Lihe Zheng and Xiaobo Qian and He Feng",

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T1 - Influence of thermal treatment on the near-infrared broadband luminescence of Bi

T2 - CsI crystals

AU - Fan, Xiao

AU - Su, Liangbi

AU - Ren, Guohao

AU - Jiang, Xiantao

AU - Xing, Haibo

AU - Xu, Jun

AU - Tang, Huili

AU - Li, Hongjun

AU - Zheng, Lihe

AU - Qian, Xiaobo

AU - Feng, He

PY - 2013/3

Y1 - 2013/3

N2 - Near-infrared (NIR) emitting active centers can exist abundant in Bi:CsI crystal. In addition, Bi:CsI have the simplest crystal structure, body-centered cubic (BCC). In this paper, annealing and quenching treatments were carried out in detail to identify the nature of NIR emitting active centers in Bi:CsI crystals. The changes of absorption and emission spectra with increasing the thermal treatment temperature indicated that the two NIR emission bands at 1210 nm and 1580 nm were related to Bi+ and Bi2 +, respectively. Besides, the assignments of absorption bands and the thermal behaviors of Bi3+, Bi2+, Bi+ and Bi2 + were discussed as well.

AB - Near-infrared (NIR) emitting active centers can exist abundant in Bi:CsI crystal. In addition, Bi:CsI have the simplest crystal structure, body-centered cubic (BCC). In this paper, annealing and quenching treatments were carried out in detail to identify the nature of NIR emitting active centers in Bi:CsI crystals. The changes of absorption and emission spectra with increasing the thermal treatment temperature indicated that the two NIR emission bands at 1210 nm and 1580 nm were related to Bi+ and Bi2 +, respectively. Besides, the assignments of absorption bands and the thermal behaviors of Bi3+, Bi2+, Bi+ and Bi2 + were discussed as well.

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