Elimination of charge accumulation by a self-assembled cocrystal interlayer for efficient and stable perovskite solar cells
Xueying Wang, Yang Zhong, Xiao Luo, Wangping Sheng, Jia Yang, Licheng Tan, Yiwang Chen
Abstract
A SAM-CL has been introduced in n–i–p perovskite solar cells to optimize interfacial energy level arrangement and eliminate interfacial charge accumulation. The large pyrene rings and F atoms of SAM-CL inhibit severe ion migration and moisture erosion, thus improving device stability.
Topics & Concepts
Perovskite (structure)CocrystalPyreneMaterials scienceCharge (physics)IonChemical engineeringChemical physicsMoistureCrystallographyChemistryOrganic chemistryComposite materialPhysicsMoleculeHydrogen bondQuantum mechanicsEngineeringPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsConducting polymers and applications