Journal
CRYSTENGCOMM
Volume 18, Issue 29, Pages 5448-5455Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ce00965d
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Funding
- UK Engineering and Physical Sciences Research Council [EP/M025020/1, EP/J017361/1]
- E-Futures Doctoral Training Centre in Interdisciplinary Energy Research [EP/G037477/1]
- President of the UAE's Distinguished Student Scholarship Program (DSS) - Ministry of Presidential Affairs, UAE'
- Engineering and Physical Sciences Research Council (EPSRC)
- Engineering and Physical Sciences Research Council [EP/M025020/1, EP/J017361/1] Funding Source: researchfish
- EPSRC [EP/J017361/1, EP/M025020/1] Funding Source: UKRI
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We report for the first time on grain rotation in CH3NH3PbI3 perovskite films for similar to 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.
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