Highly oriented nanowires from the hierarchical self-assembly in supramolecular complex of polyaniline with ω-methoxypoly(ethylene oxide) phosphates

Bhanu Nandan, Jen Yung Hsu, Ayano Chiba, Hsin Lung Chen, Chein Shiun Liao, Show An Chen, Hirokazu Hasegawa

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Highly oriented Polyaniline (PANI) nanowires from the hierarchical self-assembly in supramolecular complex of PANI with ω-methoxypoly (ethylene oxide) phosphates (PEOPA) was prepared. The acid head group of PEOPA acts as the protonic acid dopant for PANI and the hydrophilic PEO makes it water soluble. The Transmission Electron Microscopy (TEM) studies of PANI (PEOPA) complex show that the bright regions contain the smaller scale lamellae formed by the well-doped PANI chains and PEOPA accounts for the main composition in this phase. The hierarchical structure of PANI(PEOPA) complex show that the nanowires are formed by the poorly doped PANI aggregates and their orientations are directed by assembly of the smaller-scale lamellar structure. The PANI(PEOPA) film displays tridirectional anisotropy of macroscopic electrical conductivity that verifies the formation of highly oriented nanowire structure in the film.

Original languageEnglish
Pages (from-to)395-398
Number of pages4
JournalMacromolecules
Volume40
Issue number3
DOIs
Publication statusPublished - 2007 Feb 6
Externally publishedYes

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

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