Role of the energy offset in the charge photogeneration and voltage loss of nonfullerene acceptor-based organic solar cells
Yasunari Tamai, Rei Shirouchi, Toshiharu Saito, Kazuki Kohzuki, Shin‐ichiro Natsuda
Abstract
The quantum yield of long-range spatial dissociation of electron–hole pairs decreased with a decrease in the energy offset between the excited and charge-transfer states, leading to a threshold that can ensure high charge photogeneration efficiency.
Topics & Concepts
Organic solar cellOffset (computer science)AcceptorDissociation (chemistry)Excited stateMaterials scienceOptoelectronicsPhotochemistryQuantum yieldCharge (physics)ElectronAtomic physicsChemistryPhysicsOpticsCondensed matter physicsPhysical chemistryPolymerComputer scienceFluorescenceProgramming languageQuantum mechanicsComposite materialOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsQuantum Dots Synthesis And Properties