Issue 10, 2024

Zero-dimensional hybrid tin halides with stable broadband light emissions

Abstract

Considering the instability and toxicity of 3D Pb-based perovskite nanocrystals, lead-free low-dimensional organic–inorganic hybrid metal halides have attracted widespread attention as potential substitutes. Herein, two new tin-based 0D halides [H4BAPP]SnBr5·Br and [H4BAPP]SnCl5·Cl·H2O (BAPP = 1,4-bis(3-aminopropyl)piperazine) were synthesized successfully based on [SnX5]3− as an emission center. Typically, [H4BAPP]SnBr5·Br and [H4BAPP]SnCl5·Cl·H2O display broadband yellow and yellow-green light emissions originating from the radiative recombination of self-trapped excitons (STEs). The photoluminescence quantum yields (PLQYs) of the two compounds were calculated to be 19.27% and 2.36%, respectively. Furthermore, the excellent chemical and thermal stability and broadband light emissions reveal their potential application in solid-state white lighting diodes.

Graphical abstract: Zero-dimensional hybrid tin halides with stable broadband light emissions

Supplementary files

Article information

Article type
Paper
Submitted
24 Nov 2023
Accepted
01 Feb 2024
First published
02 Feb 2024

Dalton Trans., 2024,53, 4698-4704

Zero-dimensional hybrid tin halides with stable broadband light emissions

J. Lv, J. Zhang, Y. Liu, S. Zhang, X. Deng, M. Xu, X. Lei, Z. Chen and C. Yue, Dalton Trans., 2024, 53, 4698 DOI: 10.1039/D3DT03937D

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