Balancing crystallization rate in a mixed Sn–Pb perovskite film for efficient and stable perovskite solar cells of more than 20% efficiency
Zhanfei Zhang, Jianghu Liang, Yiting Zheng, Xueyun Wu, Jianli Wang, Ying Huang, Yajuan Yang, Zhuang Zhou, Luyao Wang, Lingti Kong, Kolan Madhav Reddy, Chaochao Qin, Chun‐Chao Chen
Abstract
A surface treatment of PEDOT:PSS layer with [PNA]BF 4 is employed to realize vertically homogeneous distribution of Sn/Pb-containing perovskite films through balancing its crystallization rate and achieving chemical encapsulation of the acidic PEDOT:PSS substrate.
Topics & Concepts
PEDOT:PSSHomogeneousCrystallizationMaterials scienceChemical engineeringPerovskite (structure)Layer (electronics)Substrate (aquarium)NanotechnologyThermodynamicsPhysicsEngineeringOceanographyGeologyPerovskite Materials and ApplicationsConducting polymers and applicationsQuantum Dots Synthesis And Properties