Evidence for 21-helicity of poly[9,9-bis(2-ethylhexyl)fluorene-2,7-diyl]

被引：31
|
作者：
Knaapila, Matti
Torkkeli, Mika
Monkman, Andrew P.
机构：
[1] Lund Univ, MAX Lab, SE-22100 Lund, Sweden
[2] Univ Helsinki, Dept Phys Sci, FI-00014 Helsinki, Finland
[3] Univ Durham, Dept Phys, Durham DH1 3LE, England
来源：
MACROMOLECULES | 2007年 / 40卷 / 10期
关键词：
D O I：
10.1021/ma0626665
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The conformational state of the pi-conjugated polyfluorene poly[9,9-bis(2-ethylhexyl)fluorene-2,7-diyl] is reconsidered. Contrary to the general opinion, this helical polymer is shown to organize in a giant repeat consisting of 21 monomer units. The length of the unit cell of 16.97 nm is suggested.
引用
收藏
页码：3610 / 3614
页数：5
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