D–A–π–A organic sensitizer surface passivation for efficient and stable perovskite solar cells
Minghuang Guo, Chun‐Yu Lin, Shih-Jyun Liou, Yuan Jay Chang, Yafeng Li, Junming Li, Mingdeng Wei
Abstract
The more coplanar thiophene π-bridge of MM-4 with richer electron density on the carboxylic acid group passivated defects on the surface and grain boundaries of perovskite films efficiently, and obtained efficient and stable PSCs.
Topics & Concepts
PassivationPerovskite (structure)Grain boundaryThiopheneMaterials scienceBridge (graph theory)Chemical engineeringInorganic chemistryPhotochemistryNanotechnologyChemistryComposite materialOrganic chemistryLayer (electronics)MicrostructureEngineeringInternal medicineMedicinePerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Light-Emitting Diodes Research