Influence of crystallisation on the structural and optical properties of lead-free Cs2AgBiBr6 perovskite crystals

Melina Armer; Julian Höcker; Carsten Büchner; Sophie Häfele; Patrick Dörflinger; Maximilian T. Sirtl; Kristofer Tvingstedt; Thomas Bein; Vladimir Dyakonov

doi:10.1039/D1CE00844G

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Influence of crystallisation on the structural and optical properties of lead-free Cs₂AgBiBr₆ perovskite crystals†

Melina Armer,

*^a Julian Höcker,

*^a Carsten Büchner,^a Sophie Häfele,^a Patrick Dörflinger,

^a Maximilian T. Sirtl,

^b Kristofer Tvingstedt,

^a Thomas Bein

^b and Vladimir Dyakonov

Author affiliations

* Corresponding authors

^a Experimental Physics 6 and Würzburg-Dresden Cluster of Excellence ct.qmat, Julius Maximilian University of Würzburg, 97074 Würzburg, Germany
E-mail: melina.armer@physik.uni-wuerzburg.de, jhoecker@physik.uni-wuerzburg.de

^b Department of Chemistry and Centre for NanoScience (CeNS), University of Munich (LMU), 81377 Munich, Germany

Abstract

By slowly evaporating organic solvents, we succeeded in growing lead-free double perovskite Cs₂AgBiBr₆ crystals. Solubility curves prove the advantage of this growth technique and allow comparison with the controlled cooling method. The growth temperature significantly affects the optical properties of the crystals, which enables us to better understand the material structure–property relationships.

This article is part of the themed collection: Crystal Engineering Techniques

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Article information

DOI: https://doi.org/10.1039/D1CE00844G
Article type: Communication
Submitted: 25 Jun 2021
Accepted: 03 Sep 2021
First published: 06 Sep 2021

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CrystEngComm, 2021,23, 6848-6854

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Influence of crystallisation on the structural and optical properties of lead-free Cs₂AgBiBr₆ perovskite crystals

M. Armer, J. Höcker, C. Büchner, S. Häfele, P. Dörflinger, M. T. Sirtl, K. Tvingstedt, T. Bein and V. Dyakonov, CrystEngComm, 2021, 23, 6848 DOI: 10.1039/D1CE00844G

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