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

Zhun Ma, Yan Yan Wang, Pei Wang, Wei Huang, Yi Bao Li, Sheng Bin Lei, Yan Lian Yang, Xiao Lin Fan, Chen Wang

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)160-167
Number of pages8
JournalACS Nano
Volume1
Issue number3
DOIs
StatePublished - Oct 2007
Externally publishedYes

Keywords

  • Hydrogen bonding
  • Liquid-solid interface
  • Molecular self-assembly
  • Star-shaped oligofluorenes
  • STM

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