A sandwich-like structural model revealed for quasi-2D perovskite films

作者：Fei Zheng, Christopher R. Hall, Dechan Angmo, Chuantian Zuo, Sergey Rubanov, Zhenchuan Wen, Siobhan J. Bradley, Xiaotao Hao, Mei Gao, Trevor A. Smith, Kenneth P. Ghiggino · 发表于：Journal of Materials Chemistry C · 年份：2021 · DOI：10.1039/d1tc00606a · 被引用次数：21 · 研究领域：Perovskite Materials and Applications、2D Materials and Applications、Quantum Dots Synthesis And Properties

Quasi-2D perovskite films deposited on hot substrates are shown to possess a sandwich-like, large- n /small- n /large- n phase distribution profile in the orthogonal direction. This structure facilitates both exciton funneling to the film surfaces and efficient charge carrier transport.