论文摘要
The fluorescent probe techniques have been widely applied.When the fluorescence probes are selectively located in nanostructures,the fluorescence properties are highly influenced by the environment.Here,we systematically studied the location-influenced fluorescence of AIEgens in the microphase-separated structures.The AIEgen tetraphenylethene （TPE） was doped into polystyrene-bpolyisoprene （PS-b-Pl）.TPE was selectively located in the PS nanodomains.The TPE fluorenscence was affected by the structural relaxation of PS when investigated in a wide range of temperatures,including the glass transiton and secondary transiton.When TPE groups were selectively located in the PI nanodomains,the fluorenscence was affected by the glass transitons of PI and PS blocks.Amphiphilic TPE derivative was located at the interface of the assembly.The fluorescence emission was influenced by the main transition and secondary transiton of PS blocks,as well as the main transition of PI blocks.These results would give new understanding of the interrelation between fluorescence probes and the nanostructures.
论文目录
文章来源
类型: 期刊论文
作者: Ya-Fang Zhi,Chao Li,Ze-Hua Song,Zhong-Jia Yang,Hong-Wei Ma,Long-Cheng Gao
来源: Chinese Journal of Polymer Science 2019年11期
年度: 2019
分类: 工程科技Ⅰ辑,工程科技Ⅱ辑
专业: 化学,仪器仪表工业
单位: Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University,Department of Polymer Science and Engineering, School of Chemical Engineering, Dalian University of Technology
基金: financially supported by the National Natural Science Foundation of China (Nos. 21875009 and 51703006),the Fundamental Research Funds for the Central Universities
分类号: O657.3;TH742.65
页码: 1060-1064
总页数: 5
文件大小: 454K
下载量: 2
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