Asymmetric side-chain substitution enables a 3D network acceptor with hydrogen bond assisted crystal packing and enhanced electronic coupling for efficient organic solar cells
Zhenghui Luo, Yuan Gao, Hanjian Lai, Yuxiang Li, Ziang Wu, Zhanxiang Chen, Rui Sun, Jiaqi Ren, Cai’e Zhang, Feng He, Han-Young Woo, Jie Min, Chuluo Yang
Abstract
An asymmetric acceptor BTP-PhC6-C11 shows hydrogen bond assisted and tighter crystal packing and enhanced electronic coupling as compared with symmetric Y6 and BTP-PhC6, and organic solar cells based on PM1:BTP-PhC6-C11 realized a highest PCE of 18.33%.
Topics & Concepts
AcceptorHydrogen bondCoupling (piping)Materials scienceCrystal (programming language)Substitution (logic)Side chainOrganic solar cellHydrogenCrystallographyOptoelectronicsChemical physicsChemistryMoleculeOrganic chemistryCondensed matter physicsPhysicsPolymerComposite materialComputer scienceProgramming languageOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications