Synergistic effect of benzoselenadiazole core and alkoxy side chain substitution on the photovoltaic performance of non-fullerene acceptors
Ho Ming Ng, Chung Hang Kwok, Zhenyu Qi, Zhen Wang, Li Chen, Wei Liu, Wenchao Zhao, Harald Ade, Chen Zhang, He Yan, Han Yu
Abstract
We developed a novel Y-series small molecule acceptor by adopting benzoselenadiazole central core and alkoxy side chains on the β-position of thiophene moieties, inducing a boost in performance due to upshifted energy levels and optimized morphology.
Topics & Concepts
Alkoxy groupSide chainThiopheneFullereneAcceptorMoleculeMaterials sciencePhotovoltaic systemCore (optical fiber)ChemistryPhotochemistryOrganic chemistryComposite materialPolymerBiologyPhysicsAlkylCondensed matter physicsEcologyOrganic Electronics and PhotovoltaicsMolecular Junctions and NanostructuresFullerene Chemistry and Applications