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Cubic or not cubic? The short-range order of tin halide perovskites

14 March 2022, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Tin halide perovskites have the potential to overcome the toxicity issues of lead-based systems for photovoltaic devices. Elucidation of local structural features in these systems is of fundamental relevance to better understand the optoelectronic properties. This has been realized in ASnX3 (A= MA, FA, and X= I, Br) by total scattering and X-ray pair distribution function analysis, showing a trend of increasing local distortion as a function of organic cation, halide and temperature.

Keywords

metal halide perovskites
lead-free
pair distribution function
total scattering

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Version History

Mar 14, 2022 Version 1

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The content is available under CC BY 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2022-3l933
D O I: 10.26434/chemrxiv-2022-3l933 [opens in a new tab]

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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