Local Structure and Dynamics in Methylammonium, Formamidinium, and Cesium Tin(II) Mixed-Halide Perovskites from <sup>119</sup>Sn Solid-State NMR
Dominik J. Kubicki, Daniel Prochowicz, Elodie Salager, Aydar Rakhmatullin, Clare P. Grey, Lyndon Emsley, Samuel D. Stranks
Abstract
and establish activation energies for motion and show that this motion leads to spontaneous halide homogenization at room temperature whenever two different pure-halide perovskites are put in physical contact.
Topics & Concepts
FormamidiniumChemistryHalideTinCaesiumSolid-stateInorganic chemistryPhysical chemistryOrganic chemistryPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyAdvanced Condensed Matter Physics