An efficient polymer acceptor <i>via</i> a random polymerization strategy enables all-polymer solar cells with efficiency exceeding 17%
Yun Li, Qian Li, Yunhao Cai, Hui Jin, Jianqi Zhang, Zheng Tang, Chunfeng Zhang, Zhixiang Wei, Yanming Sun
Abstract
A series of polymer acceptors have been synthesized. The optical and electronic properties of the copolymers can be well-tuned via a random copolymerization strategy. The best-performing PY-82-based binary device produces a record-high efficiency of 17.15%.
Topics & Concepts
CopolymerPolymerAcceptorMaterials sciencePolymerizationPolymer solar cellBinary numberSeries (stratigraphy)Polymer chemistryComposite materialMathematicsPhysicsCondensed matter physicsPaleontologyBiologyArithmeticOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications