Facile star-shaped tetraphenylethylene-based molecules with fused ring-terminated diarylamine as interfacial hole transporting materials for inverted perovskite solar cells
Yung‐Chung Chen, Ding-Zhi Lin, Jhong-Ci Wang, Jen‐Shyang Ni, Yang‐Yen Yu, Chih‐Ping Chen
Abstract
Three p-type small molecules (<bold>CL-1–3</bold>) based on tetraphenylethylene as the core and different π-conjugation diarylamines as linkers are synthesized. The bilayer HTL of the NiOx/<bold>CL-3</bold>-based cell exhibits the best power conversion efficiency of 20.15%.
Topics & Concepts
TetraphenylethyleneBilayerMaterials sciencePerovskite (structure)MoleculeSmall moleculeEnergy conversion efficiencyRing (chemistry)Perovskite solar cellPhotochemistryCrystallographyOptoelectronicsChemistryOpticsMembraneAggregation-induced emissionOrganic chemistryPhysicsBiochemistryFluorescencePerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics