ITIC derivative acceptors for ternary organic solar cells: fine-tuning of absorption bands, LUMO energy levels, and cascade charge transfer
Seungyun Baik, Dong Won Kim, Hyun‐Sik Kang, Seung Hwa Hong, Sung-Jin Park, Sung-Jin Park, Byeong‐Kwan An, Soo Young Park, Soo Young Park
Abstract
Simply adding ITIC derivatives, which can form a cascade energy alignment between the host donor and acceptor LUMO levels, as a small amount (5 wt%) of A 2 acceptor molecules in TOSCs improved the PCE by up to 10% more than that of the BOSC system.
Topics & Concepts
HOMO/LUMOAcceptorTernary operationMaterials scienceOrganic solar cellElectron acceptorThiophenePhotochemistryAbsorption (acoustics)MoleculeChemistryOrganic chemistryPolymerComposite materialCondensed matter physicsComputer sciencePhysicsProgramming languageOrganic Electronics and PhotovoltaicsConducting polymers and applicationsOrganic Light-Emitting Diodes Research