A bithiophene imide-based polymer donor for alloy-like ternary organic solar cells with over 20.5% efficiency and enhanced stability
Changjing Xu, Jie Yang, Sergio Gámez‐Valenzuela, Jinwoo Lee, Jiaxu Che, Peng Chen, Guodong Zhang, Hu Dingqin, Yufei Wang, Jiaxiang Lv, Zhicheng Zhong, Xihan Chen, Guangye Zhang, Fuwen Zhao, Bumjoon J. Kim, Xugang Guo, Bin Liu
Abstract
Ternary organic solar cells incorporating a bithiophene imide-based polymer donor in a dual-donor system achieve an outstanding efficiency of 20.52% and excellent thermal stability, retaining over 92.2% performance after 1008 h of heating.
Topics & Concepts
Ternary operationImideMaterials scienceOrganic solar cellAlloyPolymerChemical engineeringPolymer chemistryComposite materialComputer scienceEngineeringProgramming languageOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications