Selenopentathionic and Telluropentathionic Acids as Precursors for Formation of Semiconducting Layers on  the Surface of Polyamide

Zalenkiene, Skirma; Sukyte, Judita; Ivanauskas, Remigijus; Janickis, Vitalijus

doi:https://doi.org/10.1155/2007/72497

International Journal of Photoenergy

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Research Article | Open Access

Volume 2007 | Article ID 072497 | https://doi.org/10.1155/2007/72497

Selenopentathionic and Telluropentathionic Acids as Precursors for Formation of Semiconducting Layers on the Surface of Polyamide

Skirma Zalenkiene,¹Judita Sukyte,¹Remigijus Ivanauskas,¹and Vitalijus Janickis¹

Academic Editor: Sabry Abdel-Mottaleb

Received20 Apr 2006

Revised08 Aug 2006

Accepted08 Aug 2006

Published27 Nov 2006

Abstract

The layers of copper chalcogenides, which were formed on the surface of semihydrophilic polymer—polyamide 6 (PA) using monoselenopentathionic H2SeS4O6 and monotelluropentathionic H2TeS4O6 acids as precursors of chalcogens, were characterized. Fourier transform infrared (FT-IR) and UV spectroscopy were used to monitor the effect of chalcogens on the changes in structure of PA corresponding to the concentration of the precursor's solution and an exposure time. The IR spectra of modified PA were completely different from that of the initial PA. Further interaction of chalcogenized PA with copper (II/I) salt solution leads to the formation of CuxS, CuxSe, CuxTe, and mixed –CuxS–CuySe and CuxS–CuyTe layers which have different electric transport properties. The surface properties of PA after treatment are studied using AFM and XRD. The electrical resistances of layers with various composition formed over a wide concentration range 0.01–0.5 mol⋅dm−3 of precursor's solution were measured. Variation in the conductivity of layers of Cu–Se–S and Cu–Te–S on the surface of PA shows an evident increase with the increasing of the mass fraction of selenium or tellurium.

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Copyright © 2007 Skirma Zalenkiene et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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