Grain rotation and lattice deformation during perovskite spray coating and annealing probed in situ by GI-WAXS

Lilliu, S., Griffin, J., Barrows, A. T., Alsari, M., Curzadd, B., Dane, T. G., Bikondoa, O., MacDonald, J. E. ORCID: https://orcid.org/0000-0001-5504-1692 and Lidzey, D. G. 2016. Grain rotation and lattice deformation during perovskite spray coating and annealing probed in situ by GI-WAXS. CrystEngComm 18 (29) , pp. 5448-5455. 10.1039/C6CE00965D

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Abstract

We report for the first time on grain rotation in CH3NH3PbI3 perovskite films for ∼12% efficient planar solar cells and present a new method for investigating their texture evolution during thermal annealing. Our technique is based on in situ 2D grazing incidence wide-angle X-ray scattering (GI-WAXS) and employs a 10 keV wide-focussed X-ray beam to simultaneously probe a large number of grains. The ability to track the texture dynamics from a statistically relevant number of spots diffracting from single grains during thermal annealing and in grazing incidence geometry can have applications understanding the processing dynamics of a range of new materials.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Additional Information:	This article is licensed under a Creative Commons Attribution 3.0 Unported Licence
Publisher:	Royal Society of Chemistry
ISSN:	1466-8033
Date of First Compliant Deposit:	9 September 2016
Date of Acceptance:	2 June 2016
Last Modified:	05 May 2023 22:46
URI:	https://orca.cardiff.ac.uk/id/eprint/94285

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