A ligand-free direct heteroarylation approach for benzodithiophenedione-based simple small molecular acceptors toward high efficiency polymer solar cells
Zhuhao Wu, Yinchu Chen, Lianjie Zhang, Dong Yuan, Rihang Qiu, Suinan Deng, Haizhen Liu, Zesheng Zhang, Junwu Chen
Abstract
Simple fused-ring nonfullerene acceptor BDDEH with benzobithiophenedione as core unit is obtained through organostannane-free and ligand-free direct heteroarylation approach for the first time, which delivers a high efficiency of 12.59% in PSCs.
Topics & Concepts
AcceptorLigand (biochemistry)Ring (chemistry)Simple (philosophy)PolymerOrganic solar cellMaterials scienceChemistryPhysicsOrganic chemistryReceptorBiochemistryEpistemologyCondensed matter physicsPhilosophyOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications