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Polymer-like thin films obtained by RF plasma polymerization of pentacyclic monomers

V. SATULU1, B. MITU1,* , A. C. GALCA2, G. V. ALDICA2, G. DINESCU1

Affiliation

  1. National Institute for Laser, Plasma and Radiation Physics, PO Box MG - 36, 077125, Magurele, Bucharest, Romania
  2. National Institute for Materials Physics, PO Box MG - 7, 077125 Magurele, Romania

Abstract

Plasma polymerization has been carried out in a parallel plate RF discharge reactor in mixtures of argon with pentacyclic precursors, namely thiophene, furan and pyrrole. The plasma characterization showed the presence of emission bands peculiar to each monomer. The deposition of highly transparent films with partial conservation of the pentacyclic structure, inclusion of various oligomers, roughness and surface energy depending on the precursor nature was demonstrated by material investigations results. The material conductivity is significantly improved upon iodine doping in the case of polythiophene and polypyrrole-like films, while an opposite behavior was observed for the polyfuran-like films..

Keywords

Plasma polymerization, Iodine doping, Pentacyclic monomers, Conductive polymers.

Submitted at: June 23, 2009
Accepted at: Feb. 27, 2010

Citation

V. SATULU, B. MITU, A. C. GALCA, G. V. ALDICA, G. DINESCU, Polymer-like thin films obtained by RF plasma polymerization of pentacyclic monomers, Journal of Optoelectronics and Advanced Materials Vol. 12, Iss. 3, pp. 631-636 (2010)