Peripheral halogenation engineering controls molecular stacking to enable highly efficient organic solar cells
Yalu Zou, Hongbin Chen, Xingqi Bi, Xiaoyun Xu, Hebin Wang, Meng-Lu Lin, Zaifei Ma, Mingtao Zhang, Chenxi Li, Xiangjian Wan, Guankui Long, Zhaoyang Yao, Yongsheng Chen
Abstract
The diverse molecular stacking tuned by peripheral halogens in non-fullerene acceptors (NFAs) significantly affects the molecular physicochemical properties, the film morphologies and thus the power conversion efficiencies (PCEs) of organic solar cells (OSCs).
Topics & Concepts
StackingOrganic solar cellHalogenationHalogenFullereneMaterials scienceMolecular engineeringEnergy conversion efficiencyChemistryNanotechnologyChemical engineeringOrganic chemistryOptoelectronicsComposite materialPolymerAlkylEngineeringOrganic Electronics and PhotovoltaicsConducting polymers and applicationsOrganic and Molecular Conductors Research