Trifluoro alkyl side chains in the non-fullerene acceptors to optimize the phase miscibility and vertical distribution of organic solar cells
Tian Zhang, Haopeng Chen, Chuanfu Li, Kun Lü, Liting Zhang, Ahmad Shokrieh, Jianqi Zhang, Guanghao Lu, Shengbin Lei, Zhixiang Wei
Abstract
By introducing the trifluoride group to control the compatibility of the material, the acceptor tends to cluster in the upper part of the active layer, which helps to shorten the exciton transport channel and increase the collection of excitons.
Topics & Concepts
MiscibilityAlkylSide chainMaterials scienceAcceptorCompatibility (geochemistry)FullereneOrganic solar cellCluster (spacecraft)ExcitonPhase (matter)Chemical engineeringOrganic chemistryChemistryComposite materialCondensed matter physicsPhysicsPolymerComputer scienceEngineeringProgramming languageOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications