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OCVD polymerization of PEDOT: effect of pre-treatment steps on PEDOT-coated conductive fibers and a morphological study of PEDOT distribution on textile yarns
Högskolan i Borås, Institutionen Ingenjörshögskolan. (Polymer Group)
Högskolan i Borås, Institutionen Textilhögskolan. (Polymer Group)
Vise andre og tillknytning
2013 (engelsk)Inngår i: Polymers for Advanced Technologies, ISSN 1042-7147, E-ISSN 1099-1581, Vol. 24, nr 2, s. 210-219Artikkel i tidsskrift (Fagfellevurdert) Published
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Abstract [en]

The functionalization of textile fibers with intrinsically conductive polymers has become a prominent research area throughout the world. A number of coating techniques have already been utilized and optimized to get the uniform layers of conductive polymers on the surface of different substrates. In our previous study, we produced poly(3,4-ethylenedioxythiophene) (PEDOT)-coated conductive fibers by employing oxidative chemical vapor deposition (oCVD) technique. This paper describes the effects of pre-treatment steps, such as surface treatment of textile fibers with organic solvents, drying of oxidant-enriched fibers at variable temperatures and time, and oxidant type on the electrical, mechanical, and thermal properties of PEDOT-coated conductive fibers. Two well-known oxidants, ferric(III)chloride and ferric(III)p-toluenesulfonate (FepTS), were studied, and then their results were compared. In order to verify the PEDOT-coated layer and, to some extent, its impregnation inside the viscose yarns, a morphological study was carried out by using the attenuated total reflectance Fourier transform infrared spectroscopic imaging technique and computed tomography scanning across the obtained conductive fibers. Differential scanning calorimetric and thermogravimetric analysis were utilized to investigate the thermal properties and the contents of PEDOT in PEDOT-coated fibers. The mechanical properties of conductive fibers were evaluated by tensile strength testing of produced fibers. Effects of all of these pre-treatment steps on electrical properties were analyzed with Kiethly picoammeter. This study cannot only be exploited to improve the properties of conductive fibers but also to optimize the oCVD process for the production of conductive textile fibers by coating with different conjugated polymers.

sted, utgiver, år, opplag, sider
John Wiley & Sons , 2013. Vol. 24, nr 2, s. 210-219
Emneord [en]
conductive fibers, OCVD, pre-treatment steps, PEDOT coating, surface morphology, Organic Electronics, Smart Textiles
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URN: urn:nbn:se:hb:diva-1336DOI: 10.1002/pat.3073ISI: 000314049100012Lokal ID: 2320/11514OAI: oai:DiVA.org:hb-1336DiVA, id: diva2:869360
Tilgjengelig fra: 2015-11-13 Laget: 2015-11-13 Sist oppdatert: 2017-11-16bibliografisk kontrollert

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Bashir, TariqPersson, Nils-KristerSkrifvars, Mikael

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