Side-chain modification of non-fullerene acceptors for organic solar cells with efficiency over 18%
Zhixiang Li, Changzun Jiang, Xin Chen, Guangkun Song, Xiangjian Wan, Bin Kan, Tainan Duan, Ekaterina A. Knyazeva, Олег А. Ракитин, Yongsheng Chen
Abstract
A new synthetic route to realize efficient screening of aryl side chains on the Y6 skeleton was reported, and then three acceptors with different side chains were synthesized. Among them, the BTP-OC6-based device exhibits the best PCE and stability.
Topics & Concepts
Side chainMaterials scienceOrganic solar cellFullereneEnergy conversion efficiencySurface modificationChemical engineeringCombinatorial chemistryNanotechnologyOrganic chemistryOptoelectronicsPolymerChemistryComposite materialEngineeringOrganic Electronics and PhotovoltaicsConducting polymers and applicationsMolecular Junctions and Nanostructures