Multinuclear NMR as a tool for studying local order and dynamics in CH<sub>3</sub>NH<sub>3</sub>PbX<sub>3</sub>(X = Cl, Br, I) hybrid perovskites
Claire Roiland35042 RennesG. Allard91405 OrsayKhaoula Jemli91405 OrsayBruno Alonso34296 Montpellier Cedex 5Jean-Claude Ameline35042 RennesRégis Gautier35042 RennesThierry Bataille35042 RennesLaurent Le Pollès35042 RennesEmmanuelle DeleporteLaboratoire Aimé CottonJacky Even35708 RennesClaudine Katan35042 Rennes
2016en
ABI
Abstract
. Finally, quadrupolar NMR lineshapes recorded in the orthorhombic phase were compared with simulated spectra, using DFT calculated electric field gradients (EFG). Computed data do not take into account any temperature effect. Thus, the discrepancy between the calculated and experimental EFG evidences the fact that MA cations are still subject to significant dynamics, even at 25 K.
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Cited by 30 references