Improved performance of perovskite solar cells by fine-tuning dibenzofuran-based hole transporting materials
Xuepeng Liu, Xianfu Zhang, Mingyuan Han, Jianlin Chen, Rahim Ghadari, Yongpeng Liang, Botong Li, Songyuan Dai
Abstract
Spiro-4 exhibits more matched energy levels with perovskite, a higher glass transition temperature, higher hole mobility, and enhanced hole extraction ability than other positional isomers, delivering a power conversion efficiency of 23.38%.
Topics & Concepts
DibenzofuranMaterials sciencePerovskite (structure)OptoelectronicsEngineering physicsChemical engineeringOrganic chemistryChemistryEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics