Synthesis and characterization of star polyfluorenes with a c60 core

被引：7

作者：

Xu, Guodong

Han, Yang

Sun, Minghao

Bo, Zhishan ^{[1
]}

Chen, Chunhai

机构：

[1] Chinese Acad Sci, Inst Chem, State Key Lab Plymer Phys & Chem, Joint Lab Polymer Sci & Mat,BNLMS, Beijing 100080, Peoples R China

[2] Jilin Univ, Alan G MacDiarmid Inst, Changchun 130023, Peoples R China

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2007年 / 45卷 / 20期

关键词：

star polymers; conjugated polymers; fluorescence; fullerenes;

D O I：

10.1002/pola.22215

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

C60-cored star polyfluorenes were synthesized and fully characterized. A high yield (81%) hexakisaddition of C60 was developed by using Prato reaction and bulky fluorene addends. Suzuki polycondensation of the hexakisadducts of C60 carrying six 2-bromofluorene addends and AB-type monomer (2-bromo-9,9-dioctylfluorenyl-4,4,5,5-tetramethyl- [1,3,21-dioxaborane) with Pd(PPh3)4 as the catalyst precursor afforded the desired C60-cored star polyfluorenes. Their three-dimensional structure can effectively reduce the aggregation of the polyfluorene chains. Annealing studies indicated that the C60-cored star polyfluorenes are of good color stability. (c) 2007 Wiley Periodicals, Inc.

引用

页码：4696 / 4706

页数：11

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