Heterocyclic D–A–D hole-transporting material for high-performance inverted perovskite solar cells
Yogesh S. Tingare, Chaochin Su, Wanchun Wang, Hong‐Jia Lin, Ja‐Hon Lin, Xiang-Ching Lin, Chien‐Hsiang Lin, Tsai-Wen Huang, Wen‐Ren Li
Abstract
A new hole-transporting material (HTM) based on benzimidazole–pyridine heterocyclic is synthesized for use in perovskite solar cells. The HTM has good hole transport, lower trap density, and lower electric resistance with a 17.75% efficiency.
Topics & Concepts
Materials sciencePerovskite (structure)BenzimidazoleEnergy conversion efficiencyOptoelectronicsCrystallographyOrganic chemistryChemistryPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics