Issue 16, 2021

Self-trapped exciton to dopant energy transfer in Sb3+-doped Cs2ZrCl6 perovskite variants

Abstract

As a promising way to modulate the photoluminescence properties and stability of perovskites and perovskite variants, doping has attracted wide attention in the field of optical and optoelectronic applications. In this work, a series of all inorganic lead-free Sb3+-doped Cs2ZrCl6 vacancy-ordered perovskite variants were prepared by the hydrothermal method, and the Sb3+-doping leads to singlet and triplet state emissions, which are strongly dependent on the temperature and surrounding molecular environment. Furthermore, efficient energy transfer can be observed from self-trapped excitons (STEs) of [ZrCl6]2− octahedra to dopant Sb3+. Our results will shed light on the ns2 Sb3+-ion-doping-induced emissive mechanism and expand the understanding of the optoelectronic properties of the perovskite variant family.

Graphical abstract: Self-trapped exciton to dopant energy transfer in Sb3+-doped Cs2ZrCl6 perovskite variants

Article information

Article type
Research Article
Submitted
08 Mai 2021
Accepted
18 Jun 2021
First published
24 Jun 2021

Mater. Chem. Front., 2021,5, 6133-6138

Self-trapped exciton to dopant energy transfer in Sb3+-doped Cs2ZrCl6 perovskite variants

J. Zhou, X. Yun, R. Wang, D. Xu and X. Li, Mater. Chem. Front., 2021, 5, 6133 DOI: 10.1039/D1QM00697E

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