Synergistic effect of incorporating intra- and inter-molecular charge transfer in nonfullerene acceptor molecules for highly-efficient organic solar cells
Yiwen Ji, Lingxia Xu, Hang Yin, Bin Cui, Longlong Zhang, Xiaotao Hao, Kun Gao
Abstract
Intra- and inter-molecular charge transfer coexist in nonfullerene acceptor molecules with an A–D–A electronic structure, which work synergistically to enhance their excited state dissociation efficiency up to ∼70% in optimized molecular aggregates.
Topics & Concepts
AcceptorOrganic solar cellDissociation (chemistry)Charge (physics)MoleculeExcited stateChemical physicsChemistrySmall moleculeMaterials scienceOrganic moleculesPhysicsPhysical chemistryPolymerAtomic physicsOrganic chemistryQuantum mechanicsCondensed matter physicsBiochemistryOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications