Slow cooling and efficient extraction of hot carriers in perovskite films via engineering trap-mediated relaxation channels

Chemical Science 2026 Open access

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Authors: Xinlei Zhang, Jing Leng, Qi Sun, Qingshun Dong, Xinyu Tong, Yu Song, Yan Xu, Shengye Jin, Wenming Tian
DOI: 10.1039/d6sc01780k
Cited by: 1
References: 45

Abstract

We report an effective way to slow down the hot carrier (HC) relaxation in FAPbI 3 films via engineering intraband trap states (ITSs), which enable an ITS-mediated channel that suppresses direct HC relaxation under high excitation densities.

Fields of Study & Subjects

Perovskite Materials and Applications Thermal Expansion and Ionic Conductivity Chemical and Physical Properties of Materials

Publication details

Journal / source
Chemical Science
Publisher
Royal Society of Chemistry (RSC)
Volume
17
Issue
24
Pages
12094–12100
Publication date
1 January 2026
Language
EN