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Structural and Morphological Differences of Thin Films Obtained by Plasma Polymerization of Pyrrole (Ppy) and Thiophene (Pth)

Published online by Cambridge University Press:  01 February 2011

Salvador Borrós ,
M.Paz Diago ,
Joan Esteve  and
Núria Agulló
Salvador Borrós
Affiliation:
Material Science Lab; Department of Physical Chemistry, IQS, Universitat Ramon Llull Barcelona (Spain)
M.Paz Diago
Affiliation:
Material Science Lab; Department of Physical Chemistry, IQS, Universitat Ramon Llull Barcelona (Spain)
Joan Esteve
Affiliation:
Applied Physics Department, Universitat de Barcelona, Barcelona (Spain)
Núria Agulló
Affiliation:
Material Science Lab; Department of Physical Chemistry, IQS, Universitat Ramon Llull Barcelona (Spain)
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Abstract

In this work, thin films (thickness ∼ 0.5 μm) were obtained by plasma polymerization of pyrrole (Ppy) and thiophene (Pth) at 25-30 W and 0.1-0.2 mbar of pressure. Further doping with iodine was carried out to some of the Ppy and Pth films (Ppy/I2, Pth/I2) in order to enhance their electrical conductivity properties.

Structural and morphological characterization of both Ppy and Pth as well as of Ppy/I2 and Pth/I2 was performed using Infrared Spectroscopy (IR), X-ray Photoelectron Spectroscopy (XPS) and Atomic Force Microscopy (AFM).

In the light of the information given by IR, XPS and AFM techniques, exhaustive and accurate description of both undoped and I2/doped Ppy and Pth films obtained by Plasma Polymerization is attained.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 725: Symposium P – Organic and Polymeric Materials and Devices-Optical, Electrical, and Optoelectronic Properties , 2002 , P9.17
Copyright
Copyright © Materials Research Society 2002

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