Observing long-range non-fullerene backbone ordering in real-space to improve the charge transport properties of organic solar cells
Zhaozhao Bi, Kai Chen, Lu Gou, Yuan Guo, Xiaobo Zhou, Hafiz Bilal Naveed, Jing Wang, Qinglian Zhu, Jian Yuan, Chao Zhao, Ke Zhou, Sreelakshmi Chandrabose, Zheng Tang, Yuanping Yi, Justin M. Hodgkiss, Lei Zhang, Wei Ma
Abstract
The long-range backbone ordering in Y6 solid film is reported, which benefits charge generation and carrier lifetime in PM6:Y6 heterojunctions and drives the photovoltaic efficiency towards 16.8%.
Topics & Concepts
Organic solar cellFullereneRange (aeronautics)Photovoltaic systemHeterojunctionMaterials scienceCharge (physics)Space chargeCharge carrierOptoelectronicsPolymer solar cellChemical physicsSolar cellChemistryOrganic chemistryElectrical engineeringPhysicsComposite materialEngineeringElectronQuantum mechanicsOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsThin-Film Transistor Technologies