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Electrochemical synthesis of polypyrrole films doped with iodine by luminescent discharge plasma

Published online by Cambridge University Press:  16 January 2019

C. Hernández-Tenorio ,
M. Villanueva-Castañeda ,
J.N. Balderas-Gutiérrez ,
H. Moreno-Saavedra  and
J. H. Pacheco-Sánchez
C. Hernández-Tenorio*
Affiliation:
Tecnológico Nacional de México/Instituto Tecnológico de Toluca, Av. Tecnológico s/n, Agrícola Bellavista, Metepec, C. P.52149, Edo. de México, México.
M. Villanueva-Castañeda
Affiliation:
Tecnológico Nacional de México/Instituto Tecnológico de Toluca, Av. Tecnológico s/n, Agrícola Bellavista, Metepec, C. P.52149, Edo. de México, México.
J.N. Balderas-Gutiérrez
Affiliation:
Tecnológico Nacional de México/Instituto Tecnológico de Toluca, Av. Tecnológico s/n, Agrícola Bellavista, Metepec, C. P.52149, Edo. de México, México.
H. Moreno-Saavedra
Affiliation:
Tecnológico Nacional de México/Instituto Tecnológico de Toluca, Av. Tecnológico s/n, Agrícola Bellavista, Metepec, C. P.52149, Edo. de México, México.
J. H. Pacheco-Sánchez
Affiliation:
Tecnológico Nacional de México/Instituto Tecnológico de Toluca, Av. Tecnológico s/n, Agrícola Bellavista, Metepec, C. P.52149, Edo. de México, México.
*
*(Email: [email protected])
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Abstract

This work presents a study about synthesis of polypyrrole films electrochemically doped with iodine by luminescent discharge plasma in aqueous sodium sulfate solution, and its structural, morphological and electrical characterization. The synthesis is carried out at atmospheric pressure with square pulse from -1.06 to 1.16 V for 120 minutes. Doping times of the films are 10, 30 and 50 minutes. The films have thicknesses of 6, 12.7, 20.32 and 25.4 μm, and linear growth trend according to the time exposure of their synthesis. The main chemical groups exhibited in the films are C-H, N-H and CH2I, which are characteristics of film doped with Iodine. The electrical conductivity calculated of polypyrrole films is in the range 10-5-10-3 S/cm, and its activation energy is between 0.052 and 1.77 eV.

Keywords

thin filmdopantelectrochemical synthesis
Type
Articles
Information
MRS Advances , Volume 3 , Issue 63: International Materials Research Congress XXVII , 2018 , pp. 3847 - 3852
Copyright
Copyright © Materials Research Society 2019 

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