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A facile convergent procedure for the preparation of triphenylamine-based dendrimers with truxene cores
作者: Xia HJ (Xia, Haijian)1, He JT (He, Jiating)1, Xu B (Xu, Bin)1, Wen SP (Wen, Shanpeng)1, Li YW (Li, Yaowen)1, Tian WJ (Tian, Wenjing)1
來(lái)源出版物: TETRAHEDRON    卷: 64    期: 24    頁(yè): 5736-5742    出版年: JUN 9 2008

摘要: A simple convergent procedure has been developed for the preparation of triphenylamine dendrons containing an alkene at the center, which can be coupled in a single step to give dendrimers that contain truxene for the core without any protection-deprotection chemistry. These conjugated dendrimers exhibit similar absorption and emission behaviors in solutions and in thin films, which are indicative of the high isolation effect of well-organized three-dimensional dendrimers. They also have high fluorescence quantum yields and high glass transition temperatures, which indicate that these dendrimers are candidates for the application in OLED as light emitting materials.

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