Central core asymmetric acceptor design enables over 20% efficiency in binary organic solar cells by suppressing non-radiative energy loss and optimizing nanomorphology
Jian Liu, Zhaochen Suo, Longyu Li, Wenkai Zhao, J. Huo, Jiye Chen, Guankui Long, Zhaoyang Yao, Chenxi Li, Xiangjian Wan, Yongsheng Chen
Abstract
Two acceptors Ph-2F and Ph-2Cl are designed via core-asymmetric substitution and halogenated engineering. Ph-2F based organic solar cells (OSCs) achieve an efficiency of 20.33%, which is the highest value for OSCs based on asymmetric acceptors.
Topics & Concepts
Radiative transferAsymmetryAcceptorWork (physics)Core (optical fiber)Materials scienceOrganic solar cellBinary numberOptoelectronicsPhysicsOpticsThermodynamicsComposite materialCondensed matter physicsMathematicsPolymerQuantum mechanicsArithmeticOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications