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Effects produced by sodium dodecyl sulfate (SDS) surfactant on polypyrrole film electrochemically synthesized and doped with glow discharge plasma

Published online by Cambridge University Press:  12 November 2018

Teresa Hernández de la Cruz
Affiliation:
Tecnologico Nacional de México/Instituto Tecnológico de Toluca, Av. Tecnológico s/n. Agrícola Bella Vista C.P.52149 Metepec, Edo. De México, México
Celso Hernández Tenorio*
Affiliation:
Tecnologico Nacional de México/Instituto Tecnológico de Toluca, Av. Tecnológico s/n. Agrícola Bella Vista C.P.52149 Metepec, Edo. De México, México
Miguel Villanueva Castañeda
Affiliation:
Tecnologico Nacional de México/Instituto Tecnológico de Toluca, Av. Tecnológico s/n. Agrícola Bella Vista C.P.52149 Metepec, Edo. De México, México
Hilda Moreno Saavedra
Affiliation:
Tecnologico Nacional de México/Instituto Tecnológico de Toluca, Av. Tecnológico s/n. Agrícola Bella Vista C.P.52149 Metepec, Edo. De México, México
Juan Horacio Pacheco Sánchez
Affiliation:
Tecnologico Nacional de México/Instituto Tecnológico de Toluca, Av. Tecnológico s/n. Agrícola Bella Vista C.P.52149 Metepec, Edo. De México, México
*
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Abstract

This work presents a study of the chemical structure, morphology, electromagnetic absorption and electric conductivity of thin films. The electrochemical synthesis of polypyrrole/surfactant (PPy/SDS) films doped with iodine is carried out by glow discharge plasma in aqueous solution, at different reaction times. The morphology shows agglomerations of particles dispersed in the surface. Infrared spectroscopic analysis shows absorption on the wavenumbers 2915,2362 and 2082 cm-1 corresponding to chemical groups C-H, C=O and R/N=C=S, respectively. The electromagnetic absorption had higher response sensitivity between 340 to 800 nm in the visible region, and the electric conductivity of samples oscillated between 5.0x10-6 and 2.0x10-5 S/cm. The thickness films significantly increased when doping with iodine, reaching values up to 50 μm.

Type
Articles
Copyright
Copyright © Materials Research Society 2018 

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