Issue 5, 2023
From the journal:

Chemical Communications

Highly efficient copper-based halide single crystals with violet emission for visible light communication†

Yingrui Shi, ORCID logo a   Dehai Liang,a   Qionghua Mo,a   Shirong Lu,b   Zhe Sun,a   Hongbin Xiao,*a   Qingkai Qian*a  and  Zhigang Zang ORCID logo *a  

* Corresponding authors

a Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education), College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China
E-mail: xiaohongbin@cqu.edu.cn, qqian@cqu.edu.cn, zangzg@cqu.edu.cn

b Department of Material Science and Technology, Taizhou University, Taizhou 318000, China

Abstract

K2CuBr3 single crystals (SCs) are synthesized using a cooling-induced crystallization method with violet emission due to self-trapped excitons (STEs) under photoexcitation. The prepared K2CuBr3 SCs exhibit a high photoluminescence quantum yield (PLQY, 79.2%) and excellent stability against moisture, heat and UV light. When the K2CuBr3 SCs are used as a light source for visible light communication the data transmission rate reaches a striking 248 Mbps, which is more than 33-fold the −3 dB bandwidth.

Graphical abstract: Highly efficient copper-based halide single crystals with violet emission for visible light communication

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Article information

DOI
https://doi.org/10.1039/D2CC05965G
Article type
Communication
Submitted
04 Nov 2022
Accepted
08 Dec 2022
First published
08 Dec 2022

Chem. Commun., 2023,59, 583-586

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Highly efficient copper-based halide single crystals with violet emission for visible light communication

Y. Shi, D. Liang, Q. Mo, S. Lu, Z. Sun, H. Xiao, Q. Qian and Z. Zang, Chem. Commun., 2023, 59, 583 DOI: 10.1039/D2CC05965G

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