A large conjugated rigid dimer acceptor enables 20.19% efficiency in organic solar cells
Wendi Shi, Qiansai Han, Wenkai Zhao, Ruohan Wang, Longyu Li, Guangkun Song, Xin Chen, Guankui Long, Zhaoyang Yao, Yan Lu, Chenxi Li, Xiangjian Wan, Yongsheng Chen
Abstract
A dimer acceptor QD-1 with a large conjugated rigid skeleton is reported, showing low disorder, weak electro-photon coupling, and thus low non-radiative recombination loss. An efficiency of 20.19% is achieved for the QD-1-based ternary device.
Topics & Concepts
Conjugated systemOrganic solar cellAcceptorDimerMaterials sciencePhotochemistryChemistryOrganic chemistryPhysicsPolymerCondensed matter physicsComposite materialOrganic Electronics and PhotovoltaicsConducting polymers and applicationsSilicon and Solar Cell Technologies