Sn-doping induced lattice distortion and deep-red self-trapped exciton emission in 2D lead halide perovskites

Journal of Materials Chemistry C 2026

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Authors: Yiqiang Xiao, Qingjing Zeng, Wenjuan Ma, Di Wang, Yuyuan Lai, Zhiming Lin, Qi Zhang Qi Zhang, XU Long, Sheng Yang, Sheng Yang
DOI: 10.1039/d6tc01297c
Cited by: 1
References: 60

Abstract

Sn-doped 2D perovskites exhibit robust deep-red self-trapped exciton emission centered at 690 nm. Our study proves that such emission originates from an intrinsic lattice-relaxed state rather than sub-gap defects.

Fields of Study & Subjects

Perovskite Materials and Applications 2D Materials and Applications Strong Light-Matter Interactions

Publication details

Journal / source
Journal of Materials Chemistry C
Publisher
Royal Society of Chemistry (RSC)
Volume
14
Issue
28
Pages
12537–12545
Publication date
1 January 2026
Language
EN