Self-assembled polyphenylene dendrimer nanofibers on highly oriented pyrolytic graphite studied by atomic force microscopy

被引：21
|
作者：
Liu, DJ
De Feyter, S
Grim, PCM
Vosch, T
Grebel-Koehler, D
Wiesler, UM
Berresheim, AJ
Müllen, K
De Schryver, FC
机构：
[1] Katholieke Univ Leuven, Dept Chem, Lab Photochem & Spect, B-3001 Heverlee, Belgium
[2] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
来源：
LANGMUIR | 2002年 / 18卷 / 21期
关键词：
D O I：
10.1021/la020425u
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Self-assembled nanostructures of various polyphenylene dendrimers, prepared by drop casting dendrimer solutions on the surface of highly oriented pyrolytic graphite (HOPG), have been investigated by noncontact atomic force microscopy (NCAFM). Besides forming globular clusters, all the polyphenylene dendrimers studied self-assemble into micrometer long nanofibers irrespective of their cores (e.g., tetraphenylmethane, biphenyl, or azobenzene). The effect of the dendrimer generation and the degree of branching on the formation of dendrimer nanofibers is studied.
引用
收藏
页码：8223 / 8230
页数：8
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