摘要
以手性联二萘(BINOL)取代的2,3-二氟对苯二腈和3,3-联咔唑为单体,通过碳-氮偶联反应得到一对共轭聚合物(R)-P1和(S)-P1,并且通过1 H NMR与13 C NMR、凝胶渗透色谱(GPC)、热重分析(TGA)、荧光发射光谱(PL)、圆二色谱(CD)和圆偏振发光(CPL)光谱等对聚合物的化学结构、分子量、热稳定性以及光物理性质等进行了表征.结果表明:该聚合物具有明显的聚集诱导发光(AIE)性质;手性联二萘侧基能有效地诱导共轭主链的微环境,使该聚合物具有手性活性,且表现出CPL特性.
A couple of conjugated polymers(R)-P1 and(S)-P1 were synthesized using chiral Binaphthalene(BINOL)substituted 2,3-tetrafluoroterephthalonitrile and 3,3-bicarbazole as the monomers via C-N coupling reaction.The chemical structures and properties of the polymers were characterized with 1 H NMR,13 C NMR,gel permeation chromatography(GPC),thermogravimetric analysis(TGA)as well as PL spectra,circular dichroism(CD)and circularly polarized luminescence(CPL)spectra.The experimental results suggested that the obtained polymers were aggregation-induced emission(AIE)and CPL active,manifesting the chirality transmission from 1,1-binaphthalenependant groups to the conjugated main chain.
作者
张敏敏
唐小勇
许炳佳
石光
ZHANG Minmin;TANG Xiaoyong;XU Bingjia;SHI Guang(School of Chemistry and Environment,South China Normal University,Guangzhou 510006,China)
出处
《华南师范大学学报（自然科学版）》
CAS
北大核心
2019年第6期24-30,共7页
Journal of South China Normal University(Natural Science Edition)
基金
国家自然科学基金项目(51603233)
关键词
圆偏振发光
聚集诱导发光
手性
共轭聚合物
circularly polarized luminescence
aggregation-induced emission
chirality
conjugated polymers
