<i>N</i>-doping of nonfullerene bulk-heterojunction organic solar cells strengthens photogeneration and exciton dissociation
Jiaqi Xie, Weihua Lin, Guillermo C. Bazan, Tõnu Pullerits, Kaibo Zheng, Ziqi Liang
Abstract
N -doping of the bulk-heterojunction active layer to enlarge polymeric donor (D) and nonfullerene acceptor (A) domains, dilate D/A interspace and reduce acceptor exciton binding energy to enhance light harvesting and suppress germinate recombination.
Topics & Concepts
Organic solar cellExcitonDopingDissociation (chemistry)HeterojunctionMaterials sciencePolymer solar cellChemistryPhotochemistryOptoelectronicsSolar cellPhysicsCondensed matter physicsPhysical chemistryPolymerComposite materialOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications