Non-fullerene electron acceptors with benzotrithiophene with π-extension terminal groups for the development of high-efficiency organic solar cells
Shanshan Ma, Qiri Huang, Yuanying Liang, Haoran Tang, Yanwei Chen, Jie Zhang, Kai Zhang, Fei Huang, Yong Cao
Abstract
In this work, two non-fullerene electron acceptors were synthesized by combining BTT as a central unit with two terminal groups. Consequently, organic solar cells based on BTTBo-4F and BTTBo-4FN achieved 11.60% and 8.27% power conversion efficiencies, respectively.
Topics & Concepts
Organic solar cellFullereneMaterials scienceEnergy conversion efficiencyTerminal (telecommunication)Electron acceptorChemical engineeringPhotochemistryOrganic chemistryOptoelectronicsChemistryComposite materialComputer sciencePolymerEngineeringTelecommunicationsOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications