High thermoelectric performance in Bi 2 Se 2 S compounds via multi-element doping using a double-halide perovskite

Journal of Materials Chemistry A 2026

View at publisher
Authors: Qiu-Yu Luo, Zi-Yuan Wang, Kun Huang, Chong-Yu Wang, Jing Feng, Youqi Zhang, Zhen-Hua Ge
DOI: 10.1039/d6ta00868b
Cited by: 1
References: 65

Abstract

Cs 3 Bi 2 I 6 Cl 3 doping forms a solid solution in Bi 2 Se 2 S, boosting carrier concentration. Meanwhile, multi-scale structural defects intensify full-spectrum phonon scattering, lowering thermal conductivity and yielding a peak ZT of 0.9.

Fields of Study & Subjects

Advanced Thermoelectric Materials and Devices Perovskite Materials and Applications Phase-change materials and chalcogenides

Publication details

Journal / source
Journal of Materials Chemistry A
Publisher
Royal Society of Chemistry (RSC)
Volume
14
Issue
27
Pages
17186–17196
Publication date
1 January 2026
Language
EN