An acceptor with an asymmetric and extended conjugated backbone for high-efficiency organic solar cells with low nonradiative energy loss
Jing Wang, Hongbin Chen, Xiaoyun Xu, Zaifei Ma, Zhe Zhang, Chenxi Li, Yang Yang, Jian Wang, Yue Zhao, Mingtao Zhang, Xiangjian Wan, Yan Lu, Yongsheng Chen
Abstract
An asymmetric acceptor NQF is designed to minimize the nonradiative loss. Using this acceptor, a binary OSC is fabricated and offers an efficiency of 17.57% with a low nonradiative energy loss (Δ E nr ) of 0.177 eV.
Topics & Concepts
AcceptorConjugated systemOrganic solar cellMaterials scienceOptoelectronicsChemistryPhotochemistryPolymerPhysicsCondensed matter physicsComposite materialOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications