Star-shaped oligofluorenes end-capped with carboxylic groups: Syntheses and self-assembly at the liquid-solid interface

被引：52

作者：

Ma, Zhun ^{[1
]}

Wang, Yan-Yan ^{[1
]}

Wang, Pei ^{[1
]}

Huang, Wei ^{[1
,2
]}

Li, Yi-Bao ^{[3
,4
]}

Lei, Sheng-Bin ^{[3
]}

Yang, Yan-Lian ^{[3
]}

Fan, Xiao-Lin ^{[4
]}

Wang, Chen ^{[3
]}

机构：

[1] Fudan Univ, Inst Adv Mat, Shanghai 200433, Peoples R China

[2] Nanjing Univ Posts & Telecommun, Inst Adv Mat, Nanjing 210003, Peoples R China

[3] Natl Ctr Nanosci & Technol, Beijing 100080, Peoples R China

[4] Gannan Normal Univ, Coll Chem & Life Sci, Jiangxi 341000, Peoples R China

来源：

ACS NANO | 2007年 / 1卷 / 03期

关键词：

star-shaped oligofluorenes; molecular self-assembly; liquid-solid interface; STM; hydrogen bonding;

D O I：

10.1021/nn7000678

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of star-shaped oligofluorenes end-capped with carboxylic acid groups were synthesized. Different numbers of carboxyl groups that can form hydrogen bonds, and long alkane chains that have stabilizing effects, were intentionally introduced. The resulting molecular architectures of the so-prepared star-shaped oligofluorenes at the liquid-solid interface were investigated by scanning tunneling microscopy. It is found that the number of hydrogen-bonding groups and the symmetry of the target molecules have crucial influences on the structures of the ordered assemblies.

引用

页码：160 / 167

页数：8

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