Fused tetraphenylethylene–triphenylamine as an efficient hole transporting material in perovskite solar cells
Xianfu Zhang, Zi’an Zhou, Shuang Ma, Gao Wu, Xuepeng Liu, Muhammad Mateen, Rahim Ghadari, Yunzhao Wu, Yong Ding, Molang Cai, Songyuan Dai
Abstract
A fused tetraphenylethylene-based hole transporting material shows higher power conversion efficiency and better stability compared with its non-fused counterpart, and the former molecule even outperforms the conventional spiro-OMeTAD.
Topics & Concepts
TriphenylamineTetraphenylethylenePerovskite (structure)Materials sciencePhotochemistryChemistryChemical engineeringOptoelectronicsCrystallographyAggregation-induced emissionOpticsPhysicsFluorescenceEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsSolid-state spectroscopy and crystallography