Issue 68, 2024

Self-trapped emissions in 2D lead-free halide perovskites driven by divalent spacer cations

Abstract

The mono- and divalent spacer cation investigation in sodium/indium-based 2D double perovskites revealed significant impacts on optoelectronic properties due to distortions in the inorganic layers. The strong electron–phonon coupling in a novel lead-free Dion–Jacobson phase highlights a promising class for broad-emission devices based on self-trapped excitons (STE), offering enhanced structural stability.

Graphical abstract: Self-trapped emissions in 2D lead-free halide perovskites driven by divalent spacer cations

  • This article is part of the themed collection: Perovskites

Supplementary files

Article information

Article type
Communication
Submitted
28 jun 2024
Accepted
29 jul 2024
First published
30 jul 2024

Chem. Commun., 2024,60, 9066-9069

Self-trapped emissions in 2D lead-free halide perovskites driven by divalent spacer cations

A. L. M. Freitas, A. Tofanello, N. A. M. S. Caturello, K. K. F. Barbosa and F. F. Ferreira, Chem. Commun., 2024, 60, 9066 DOI: 10.1039/D4CC03192J

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