15.34% efficiency all-small-molecule organic solar cells with an improved fill factor enabled by a fullerene additive
Dingqin Hu, Qianguang Yang, Haiyan Chen, Friso Wobben, Vincent M. Le Corre, Ranbir Singh, Tao Liu, Ruijie Ma, Hua Tang, L. Jan Anton Koster, Tainan Duan, He Yan, Zhipeng Kan, Zeyun Xiao, Shirong Lu
Abstract
A fullerene additive adjusts the miscibility between donor and acceptor for morphology optimization and reduces bimolecular recombination, assisting significant improvement of fill factor and efficiency.
Topics & Concepts
FullereneMiscibilityOrganic solar cellMaterials scienceAcceptorMoleculeChemical engineeringNanotechnologyChemistryOrganic chemistryComposite materialPolymerPhysicsCondensed matter physicsEngineeringOrganic Electronics and PhotovoltaicsConducting polymers and applicationsMolecular Junctions and Nanostructures