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Molecular Self-Assembly Of Sulfonated Polyaniline Thin Films

Author

Listed:
  • W. S. SIM

    (Department of Chemistry, National University of Singapore, Kent Ridge, Singapore 119260, Singapore)

  • F. Y. GOH

    (Department of Chemistry, National University of Singapore, Kent Ridge, Singapore 119260, Singapore)

Abstract

Multilayer polymer thin films with well-defined molecular architectures have been fabricated by an electrostatic self-assembly process involving sequential exposure of glass substrates to polyelectrolyte solutions of sulfonated polyaniline and hexadimethrine bromide. Ultraviolet-Visible (UV-Vis) Spectroscopy indicates layer-by-layer growth of alternating monolayers of oppositely charged polymer chains whose structural integrity is verified by X-ray Photoelectron Spectroscopy (XPS). The surface roughness is measured to be ~3 nm by Atomic Force Microscopy (AFM). The potential applications of these films in optoelectronic devices are discussed.

Suggested Citation

  • W. S. Sim & F. Y. Goh, 2001. "Molecular Self-Assembly Of Sulfonated Polyaniline Thin Films," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 8(05), pages 491-496.
    • Handle: RePEc:wsi:srlxxx:v:08:y:2001:i:05:n:s0218625x01001348
    DOI: 10.1142/S0218625X01001348
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