Preparation and Optical Properties of Near Infrared Persistent Luminescence Material of ZnGa2O4：Cr3+

Liu Hai-bo; Luo Li; Wang Yin-hai; Huang Bao-yu

doi:10.3969/j.issn.1007-7162.2016.01.016

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Preparation and Optical Properties of Near Infrared Persistent Luminescence Material of ZnGa₂O₄：Cr³⁺

更新时间：2026-05-27

- Preparation and Optical Properties of Near Infrared Persistent Luminescence Material of ZnGa₂O₄：Cr³⁺
- Vol. 33, Issue 1, Pages: 83-88(2016)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1007-7162.2016.01.016
  CLC：
- Online First：16 January 2016，
  
  Published：2016
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刘海波, 罗莉, 王银海, 黄保裕. ZnGa₂O₄：Cr³⁺ 近红外长余辉荧光粉制备与光学性能研究[J]. 广东工业大学学报, 2016, 33(1): 83-88. DOI: 10.3969/j.issn.1007-7162.2016.01.016.

Liu Hai-bo, Luo Li, Wang Yin-hai, et al. Preparation and Optical Properties of Near Infrared Persistent Luminescence Material of ZnGa₂O₄：Cr³⁺[J]. 2016, 33(1): 83-88. DOI: 10.3969/j.issn.1007-7162.2016.01.016.
刘海波, 罗莉, 王银海, 黄保裕. ZnGa₂O₄：Cr³⁺ 近红外长余辉荧光粉制备与光学性能研究[J]. 广东工业大学学报, 2016, 33(1): 83-88. DOI: 10.3969/j.issn.1007-7162.2016.01.016. DOI：

Liu Hai-bo, Luo Li, Wang Yin-hai, et al. Preparation and Optical Properties of Near Infrared Persistent Luminescence Material of ZnGa₂O₄：Cr³⁺[J]. 2016, 33(1): 83-88. DOI: 10.3969/j.issn.1007-7162.2016.01.016. DOI：

摘要

采用高温固相法制备了ZnGa

：Cr

近红外（660-1300 nm）长余辉荧光粉，并系统地研究了样品的荧光、长余辉、光激励发光及热释光性能.样品的余辉激发谱测试结果显示，ZnGa

：Cr

长余辉材料的余辉主要源自O

-Ga

之间的电荷迁移跃迁激发，而非Cr

离子的本征跃迁激发.光激励发光性能的研究表明，ZnGa

：Cr

在紫外光激发的余辉完全衰减后可以被近红外光再次激发出明亮的余辉，这说明ZnGa

：Cr

在紫外光信息写入后可以用红外光进行信息读出.根据实验测试结果采用导带电子复合发光模型对样品的发光机理进行了详细的阐述.

Abstract

In this paper

the near infrared persistent luminescent material ZnGa

：Cr

is prepared by a high temperature solid state method and the photoluminescence

long persistent photoluminescence

photostimulated luminescence and thermoluminescence properties of ZnGa

：Cr

are studied in details. The persistent luminescence excitation spectra reveal that the persistent luminescence of ZnGa

：Cr

comes from the charge transfer transition from O

to G

instead of the intrinsic transition of Cr

. The investigation in photo-stimulated persistent luminescence indicates that the sample can emit bright persistent luminescence again under infrared light excitation after the UV light excited persistent luminescence decays completely. The result shows that the UV light written information in ZnGa

：Cr

can be read by infrared light. Moreover

in accordance with the result

the recombination luminescence model of conduction electrons is employed to elaborate the luminescence mechanism of the sample.

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