Upconverting Phosphor-based Ultraviolet Light Source

Feng CHEN; Lu CHEN; Feng LIU; Liang-liang ZHANG; Hua-jun WU; Hao WU; Xiao-jun WANG; Jia-hua ZHANG

doi:10.37188/CJL.20200347

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Upconverting Phosphor-based Ultraviolet Light Source

Cover Story | 更新时间：2021-02-08

- Upconverting Phosphor-based Ultraviolet Light Source
- Chinese Journal of Luminescence Vol. 42, Issue 2, Pages: 131-135(2021)
- 作者机构：
  
  1.东北师范大学紫外光发射材料与器件教育部重点实验室, 吉林长春 130024
  2.中国科学院长春光学精密机械与物理研究所发光学及应用国家重点实验室, 吉林长春 130033
  3.Department of Physics, Georgia Southern University, Statesboro, GA 30460, USA
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China;National Natural Science Foundation of China;National Natural Science Foundation of China;National Natural Science Foundation of China;Department of Science and Technology of Jilin Province
- DOI：10.37188/CJL.20200347
  CLC： O482.31;O432
- Received：12 November 2020，
  
  Accepted：26 November 2020，
  
  Published：2021-02
- 稿件说明：
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Feng CHEN, Lu CHEN, Feng LIU, et al. Upconverting Phosphor-based Ultraviolet Light Source[J]. Chinese Journal of Luminescence, 2021, 42(2): 131-135.
DOI：

Feng CHEN, Lu CHEN, Feng LIU, et al. Upconverting Phosphor-based Ultraviolet Light Source[J]. Chinese Journal of Luminescence, 2021, 42(2): 131-135. DOI： 10.37188/CJL.20200347.

摘要

提到荧光粉光转化（Phosphor-converted，PC）类型的光源，人们熟悉的是白光照明或近红外波段的光源，而对紫外波段PC光源的概念比较陌生。本文基于蓝光激发的上转换发光现象，提出了一个新型PC紫外光源的概念。首先选取Lu

0.01

0.99

上转换荧光粉为展示材料，该材料在450 nm激光辐照下发射位于313 nm的紫外线。随后，采用刮涂工艺将该荧光粉材料制备成荧光陶瓷薄膜。通过蓝光远程激发荧光粉层的方法对荧光薄膜的紫外发射进行了成像演示。目前来看，尽管这个PC设计的光转换效率并不高，但光谱和成像实验显示了其作为紫外光源的可行性。该设计可以为明亮环境下的紫外示踪或指示等应用提供选择。

Abstract

When it mentions phosphor-converted(PC) light source

people would think of white or near-infrared light sources. In contrast

attention on the PC light sources at the other end of the spectrum-the shorter-wavelength ultraviolet region is absent. Taking into account the potential applications of ultraviolet light

the investigation of PC design as an alternative ultraviolet light source will be interesting. Here we introduce a concept of ultraviolet PC light source

in which the ultraviolet emission can be achieved upon a blue-light upconversion excitation. As a proof of concept

we demonstrate the PC design using an ultraviolet-B phosphor

0.01

0.99

. Upconversion emission at 313 nm appears from the phosphor upon illumination with a 450 nm laser. Subsequently

we prepare a composite film using the phosphor

and build a transmissive remote phosphor light source. According to the emission and excitation features of the PC light source

we present an ultraviolet imaging demonstration. This study brings the PC light source to the ultraviolet region

which may offer a unique opportunity for some applications of optical tagging or indicator in bright environments.

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references

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Related Author

Feng CHEN

Lu CHEN

Feng LIU

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Huajun WU

Hao WU

Xiao-jun WANG

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Related Institution

Key Laboratory for UV-Emitting Materials and Technology of Ministry of Education， Northeast Normal University

State Key Laboratory of Luminescence and Applications， Changchun Institute of Optics， Fine Mechanics and Physics， Chinese Academy of Sciences

Department of Physics， Georgia Southern University， Statesboro

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