Chem.J.ChineseUniversities,2023,44(7),2023014920230149(1/12)CHEMICALJOURNALOFCHINESEUNIVERSITIES高等学校化学学报综合评述非对称稠环光伏电子受体司文钦1，2，李腾飞1，林禹泽1，2（1.中国科学院化学研究所有机固体实验室,北京分子科学国家研究中心,北京100190；2.中国科学院大学,北京100049）摘要近几年,受益于稠环电子受体材料的蓬勃发展,有机太阳能电池的能量转换效率从富勒烯时代的12%迅速提高到非富勒烯时代的20%.其中,非对称结构的分子设计策略发挥了重要作用.本文按照稠环骨架、末端基团和侧链3种非对称分子设计策略,综合评述了非对称稠环电子受体的研究进展,并讨论了其中的结构-性能关系;最后,对非对称稠环电子受体的未来发展进行了展望.关键词非对称分子结构；稠环电子受体；非富勒烯受体；有机太阳能电池中图分类号O633.5；TM914.4文献标志码Adoi：10.7503/cjcu20230149AsymmetricFused-ringPhotovoltaicElectronAcceptorsSIWenqin1，2，LITengfei1*，LINYuze1，2*（1.BeijingNationalLaboratoryforMolecularSciences，CASKeyLaboratoryofOrganicSolids，InstituteofChemistry，ChineseAcademyofSciences，Beijing100190，China；2.UniversityofChineseAcademyofSciences，Beijing100049，China）AbstractBenefitingfromthedevelopmentoffused-ringelectronacceptors（FREAs），powerconversionefficienciesoforganicsolarcellshaverapidlyincreasedfrom12%forthefullereneerato20%forthenon-fullereneera.Theasymmetricmoleculardesignstrategyplaysanimportantroleintheenhancementofphotovoltaicperformance.Inthispaper，wereviewtheresearchprogressofasymmetricFREAsaccordingtothefollowingthreekindsofmoleculardesignstrategies：theasymmetricfused-ringbackbone，asymmetricendgroupsandasymmetricsidechains，discussthestructure-propertyrelationship，andfinallyprovideanoutlookonthefuturedevelopmentofasymmetricFREAs.KeywordsAsymmetricstructure；Fused-ringelectronacceptor；Non-fullereneacceptor；Organicsolarcell1IntroductionSolution-processableorganicsolarcells（OSCs）havedrawnsignificantinterestduetotheirbenefitssuchasmechanicalflexibility，lowweight，andsemitransparency［1—6］.High-performanceOSCsaretypicallyconstructedwithabulkheterojunction（BHJ）structureinvolvingthenan...
