Regiospecific <i>N</i>-alkyl substitution tunes the molecular packing of high-performance non-fullerene acceptors
Qi Feng, Leighton O. Jones, Kui Jiang, Sei‐Hum Jang, Werner Kaminsky, Jiyeon Oh, Hongna Zhang, Zongwei Cai, Changduk Yang, Kevin L. Kohlstedt, George C. Schatz, Francis Lin, Tobin J. Marks, Alex K.‐Y. Jen
Abstract
Single-crystals of a series of Bz-based NFAs derivatized via regiospecific N -alkyl engineering have been systematically studied. The J -aggregate-like packing in EHN6SEH-4F facilitates formation of ordered 3D channels for efficient charge transport.
Topics & Concepts
Organic solar cellIntramolecular forceMaterials scienceFullereneEnergy conversion efficiencyCrystallographyAbsorption (acoustics)AlkylSingle crystalOpen-circuit voltageChemistryOptoelectronicsStereochemistryVoltageOrganic chemistryComposite materialQuantum mechanicsPhysicsPolymerOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications