Small-angle scattering to reveal the colloidal nature of halide perovskite precursor solutions
Marion A. Flatken, Armin Hoell, Robert Wendt, Eneli Härk, André Dallmann, Albert Prause, Jorge Pascual, Eva Unger, Antonio Abate
Abstract
We present small-angle scattering as a nanostructural technique to characterize the colloidal nature of perovskite precursor dispersions. The existence of a dynamic colloidal network has been proven to influence the initial stages of crystallization.
Topics & Concepts
ColloidCrystallizationPerovskite (structure)Materials scienceHalideScatteringSmall-angle X-ray scatteringColloidal crystalSmall-angle scatteringChemical physicsDynamic light scatteringChemical engineeringColloidal particleNanotechnologyCrystallographyOpticsChemistryNanoparticleInorganic chemistryPhysicsEngineeringPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyLuminescence Properties of Advanced Materials