Stretchable All-Small-Molecule Organic Solar Cells Enabled by Polymer Elastomer Confinement

作     者：Chen-Yi Zhang Yu-Qiang Liu Hong-Xiang Li Xin-Yue Cui Zheng-Dong Wei Yue-Heng Liu Ming-Hua Li An-Dong Zhang Pei Cheng Zhi-Shan Bo Chen-Yi Zhang;Yu-Qiang Liu;Hong-Xiang Li;Xin-Yue Cui;Zheng-Dong Wei;Yue-Heng Liu;Ming-Hua Li;An-Dong Zhang;Pei Cheng;Zhi-Shan Bo

作者机构：College of Textiles&ClothingState Key Laboratory of Bio-fibers and Eco-textilesQingdao UniversityQingdao266071China State Key Laboratory of Polymer Materials EngineeringCollege of Polymer Science and EngineeringSichuan UniversityChengdu610065China College of Materials Science and EngineeringQingdao UniversityQingdao266071China Beijing Key Laboratory of Energy Conversion and Storage MaterialsCollege of ChemistryBeijing Normal UniversityBeijing100875China 

出 版 物：《Chinese Journal of Polymer Science》 (高分子科学(英文版))

年 卷 期：2025年第43卷第2期

页      面：271-277页

核心收录：

学科分类：081702[工学-化学工艺] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070305[理学-高分子化学与物理] 0703[理学-化学] 

基　　金：financially supported by the National Natural Science Foundation of China(Nos.52303239 and 51933001) Natural Science Foundation of Shandong Province(Nos.ZR2022QB141 and 2023HWYQ-087) 

主　　题：All-small-molecule Organic solar cells Elastomer Stretchability Flexibility 

摘      要：Intrinsic stretchability is a promising attribute of polymer organic solar cells(OSCs).However,rigid molecular blocks typically exhibit poor tensile properties,rendering polymers vulnerable to mechanical *** this study,we introduce a different approach utilizing all-small-molecule donors and acceptors to fabricate stretchable *** elastomer,styrene-b-ethylene-butylene-styrene(SEBS),was embedded to modulate film crystallization and *** effectively confines the growth process of donors and acceptors,leading to enhancement of the crystallization quality,thus contributing to enhanced device ***,SEBS can absorb and release mechanical stress during stretching,thereby preventing mechanical degradation of donors and *** mechanical properties of the OSCs were significantly improved by the incorporation of ***,the crack-onset strain increased from 1.03% to 5.99% with SEBS *** findings present a straightforward strategy for achieving stretchable OSCs using all small molecules,offering a different perspective for realizing stretchable devices.