From the journal:

Chemical Communications

Optimizing shell thickness in ZnSe/ZnS quantum dots for enhanced triplet energy transfer and photon upconversion

Lei Wang,†ab   Rongxin Zhang,†b   Zixiang Zhou,b   Feng Chen,b   Xin Zhang, ORCID logo b   Meihua Chen,*c   Yanchun Zhao*a  and  Guijie Liang*b  

* Corresponding authors

a State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
E-mail: zhaoyanchun@lut.edu.cn

b Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang 441053, China
E-mail: guijie-liang@hbuas.edu.cn

c School of Physics and Electronic Engineering, Hubei University of Arts and Science, Xiangyang 441053, China
E-mail: meihua-chen@hotmail.com

Abstract

The effect of shell thickness on triplet energy transfer (TET) efficiency was systematically investigated in ZnSe/ZnS–BCA hybrid systems. The optimal shell thickness of ZnSe/ZnS effectively suppresses surface trap states while preserving sufficient wavefunction overlap to facilitate efficient TET, and exhibits the highest upconversion quantum yield.

Graphical abstract: Optimizing shell thickness in ZnSe/ZnS quantum dots for enhanced triplet energy transfer and photon upconversion

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Article information

DOI
https://doi.org/10.1039/D5CC04764A
Article type
Communication
Submitted
18 Aug 2025
Accepted
19 Sep 2025
First published
26 Sep 2025

Chem. Commun., 2025, Advance Article

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Optimizing shell thickness in ZnSe/ZnS quantum dots for enhanced triplet energy transfer and photon upconversion

L. Wang, R. Zhang, Z. Zhou, F. Chen, X. Zhang, M. Chen, Y. Zhao and G. Liang, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC04764A

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