Chem.J.ChineseUniversities,2023,44(7),2023006920230069(1/8)CHEMICALJOURNALOFCHINESEUNIVERSITIES高等学校化学学报研究论文交联PEDOT∶F空穴传输层提升柔性有机光伏电池性能的研究韦晚霞#,周先敏#,董馨韵,刘铁峰,谢聪,程靖宇,陈建平,陆鑫,冯凯,周印华(华中科技大学武汉光电国家研究中心,武汉430074)摘要银纳米线(AgNWs)顶电极是全溶液加工型有机太阳能电池(OSCs)的重要组成部分.然而,在涂布AgNWs乙醇溶液时,对下层空穴传输层有一定洗脱损坏.本文提出对空穴传输层聚(3,4-乙烯二氧噻吩)∶全氟磺酸离子聚合物(PEDOT∶F)进行交联,以提升其抗溶剂渗透能力.通过引入交联剂聚乙二醇二缩水甘油醚(PEGDE)实现了PEDOT∶F的交联,相应小面积柔性器件的效率为14.86%.进一步制备了21.18cm2的柔性有机光伏模组,其效率达到12.38%.关键词空穴传输层;PEDOT∶F;交联;银纳米线;柔性有机太阳能电池中图分类号TM914文献标志码Adoi:10.7503/cjcu20230069Cross-linkingPEDOT∶FHole-transportingLayertoEnhancePhotovoltaicPerformanceofFlexibleOrganicSolarCellsWEIWanxia#,ZHOUXianmin#,DONGXinyun,LIUTiefeng,XIECong,CHENGJingyu,CHENJianping,LUXin,FENGKai,ZHOUYinhua*(WuhanNationalLaboratoryforOptoelectronics,HuazhongUniversityofScienceandTechnology,Wuhan430074,China)AbstractSilvernanowires(AgNWs)areimportantprintabletopelectrodesinflexibleorganicsolarcells(OSCs).However,whenfabricatingAgNWsfromethanolsolution,itcouldcausedamageonthehole-transportinglayerbelowduetowashingout.Inthiswork,weproposeacross-linkingstrategyonthehole-transportinglayerofpoly(3,4-ethylenedioxythiophene)∶perfluorinatedsulfonicacidionomer(PEDOT∶F)toimproveitsalcoholresistance.Byintroducingacross-linkerofpoly(ethyleneglycol)diglycidylether(PEGDE),PEDOT:Fwassuccessfullycross-linked.Basedonthecross-linkedPEDOT∶Fhole-transportinglayer,small-areaflexibleOSCs(0.041cm2)showedpowerconversionefficiencyof14.86%.Flexibleorganicsolarmodule(21.18cm2)wasthenfabricatedandanefficiencyof12.38%wasachieved.KeywordsHole-transportinglayer;PEDOT∶F;Cross-linking;Silvernanowires;Flexibleorganicsolarcell1IntroductionInrecentyears,organicsolarcells(OSCs)ha...