A chlorinated non-fullerene acceptor for efficient polymer solar cells

作     者：Mei Luo Can Zhu Jun Yuan Liuyang Zhou M.L.Keshtov D.Yu Godovsky Yingping Zou 

作者机构：College of Chemistry and Chemical EngineeringCentral South UniversityChangsha 410083China Nesmeyanov Institute of Organoelement CompoundsRussian Academy of SciencesMoscow 119991Russia 

出 版 物：《中国化学快报：英文版》 (Chinese Chemical Letters)

年 卷 期：2019年第30卷第12期

页      面：2343-2346页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：financially supported by the National Natural Science Foundation of China (Nos.51811530096, 21875286) the National Key Research & Development Projects of China (No.2017YFA0206600) Science Fund for Distinguished Young Scholars of Hunan Province (No.2017JJ1029) 

主　　题：Electron acceptor Y15 Chlorinated Non-fullerene electron acceptors Efficient polymer solar cells Narrow bandgap 

摘      要：Improving the performance and reducing the manufacturing costs are the main directions for the development of organic solar cells in the ***,the strategy that uses chemical structure modification to optimize the photoelectric properties is reported.A new narrow bandgap(1.30 eV)chlorinated non-fullerene electron acceptor(Y15),based on benzo[d][1,2,3] triazole with two 3-undecylthieno[2’,3’:4,5] thieno[3,2-b] pyrrole fused-7-heterocyclic ring,with absorption edge extending to the near-infrared(NIR) region,namely A-DA’D-A type structure,is designed and *** electrochemical and optoelectronic properties are systematically *** from its NIR light harvesting,the fabricated photovoltaic devices based on Y15 deliver a high power conversion efficiency(PCE) of 14.13%,when blending with a wide bandgap polymer donor *** results show that the A-DA’D-A type molecular design and application of near-infrared electron acceptors have the potential to further improve the PCE of polymer solar cells(PSCs).