Influence of crystallisation on the structural and optical properties of lead-free Cs2AgBiBr6 perovskite crystals†
Melina
Armer, 
*a
Julian
Höcker,
*a
Patrick
Dörflinger,
a
Maximilian T.
Sirtl,
b
Kristofer
Tvingstedt,
a
Thomas
Bein
b
and
Vladimir
Dyakonov
a
*a
Julian
Höcker,
*a
Patrick
Dörflinger,
a
Maximilian T.
Sirtl,
b
Kristofer
Tvingstedt,
a
Thomas
Bein
b
and
Vladimir
Dyakonov
a
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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