The optical properties of plasma polymerized polyaniline thin films

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dc.authoridGoktas, Hilal/0000-0003-2897-0036
dc.authoridKaya, Ismet/0000-0002-9813-2962
dc.authoridSEL, Kivanc/0000-0002-4623-5206
dc.contributor.authorGoktas, Hilal
dc.contributor.authorDemircioglu, Zahide
dc.contributor.authorSel, Kivanc
dc.contributor.authorGunes, Taylan
dc.contributor.authorKaya, İsmet
dc.date.accessioned2025-01-27T20:20:28Z
dc.date.available2025-01-27T20:20:28Z
dc.date.issued2013
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractWe report herein the characterizations of polyaniline thin films synthesized using double discharge plasma system. Quartz glass substrates were coated at a pressure of 80 Pa, 19.0 kV pulsed and 1.5 kV dc potential. The substrates were located at different regions in the reactor to evaluate the influence of the position on the morphological and molecular structure of the obtained thin films. The molecular structure of the thin films was investigated by Fourier transform infrared (FTIR) and UV-visible photospectrometers (UV-vis), and the morphological studies were carried out by scanning electron microscope. The FTIR and UV-vis data revealed that the molecular structures of the synthesized thin films were in the form of leuocoemeraldine and exhibited similar structures with the films produced via chemical or electrochemical methods. The optical energy band gap values of the as-grown samples ranged from 2.5 to 3.1 eV, which indicated that these materials have potential applications in semiconductor devices. The refractive index in the transparent region (from 650 to 1000 nm) steadily decreased from 1.9 to 1.4 and the extinction coefficient was found to be on order of 10(-4). The synthesized thin films showed various degrees of granular morphologies depending on the location of the substrate in the reactor. (C) 2013 Elsevier B.V. All rights reserved.
dc.identifier.doi10.1016/j.tsf.2013.09.013
dc.identifier.endpage85
dc.identifier.issn0040-6090
dc.identifier.issn1879-2731
dc.identifier.scopus2-s2.0-84887497828
dc.identifier.scopusqualityQ2
dc.identifier.startpage81
dc.identifier.urihttps://doi.org/10.1016/j.tsf.2013.09.013
dc.identifier.urihttps://hdl.handle.net/20.500.12428/21721
dc.identifier.volume548
dc.identifier.wosWOS:000327530300012
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Sa
dc.relation.ispartofThin Solid Films
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectDouble discharge
dc.subjectPlasma polymerization
dc.subjectConducting polymer
dc.subjectAniline
dc.subjectOptical properties
dc.titleThe optical properties of plasma polymerized polyaniline thin films
dc.typeArticle

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