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

页码：3610 / 3614

页数：5

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