Solvent bath annealing-induced liquid phase Ostwald ripening enabling efficient and stable perovskite solar cells
Rui Meng, Can Li, Lei Yang, Zhihao Li, Zhihao Li, Zhi Wan, Jishan Shi, Zhen Li, Zhen Li
Abstract
Liquid-phase Ostwald ripening induced by solvent bath annealing (SBA) extends the diffusion length of perovskite–solvent composites, increases the grain size and enhances the crystallinity of the film, leading to efficient perovskite solar cells.
Topics & Concepts
Ostwald ripeningCrystallinityAnnealing (glass)SolventMaterials sciencePerovskite (structure)Chemical engineeringGrain sizeDiffusionNanotechnologyChemistryOrganic chemistryMetallurgyThermodynamicsComposite materialEngineeringPhysicsPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsConducting polymers and applications