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MADAKBAŞ, SEYFULLAH

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MADAKBAŞ

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2013 - 20182
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Author: ÇAKMAKÇI, EMRAH × Subject: PANI ×

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Now showing 1 - 2 of 2
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    Surface and proton conductivity properties of electrospun poly(vinyl butyral)/polyaniline nanofibers
    (WILEY, 2018) ÇAKMAKÇI, EMRAH; Basturk, Emre; Cakmakci, Emrah; Madakbas, Seyfullah; Kahraman, Memet Vezir
    Proton-conductive electrospun nanofibers are promising potential materials for several advanced technological applications such batteries, sensors, and fuel cells. In this work, we prepared poly(vinyl butyral)/polyaniline (PVB/PANI) nanofibers via electrospinning and determined their proton conductivities. Structural characterization of the nanofibers was performed by FTIR analysis. Surface morphology of the nanofibers was determined by SEM and AFM. The addition of PANI significantly affected the fiber morphology, and over 90% reduction (with respect to neat PVB nanofibers) in the average nanofiber diameters was observed. Nanofiber mats were doped with polyphosphoric acid. The proton conductivity of the 2 wt.% PANI containing blend nanofibers was found as 18 x 10(-6) S/cm at room temperature and at 100% humidity.
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    Preparation and Characterization of Polyaniline/Hexagonal Boron Nitride Composites
    (WALTER DE GRUYTER GMBH, 2013) ÇAKMAKÇI, EMRAH; Cakmakci, Emrah; Madakbas, Seyfullah
    Polyaniline (PANI) is one of the most studied conductive polymer with several unique properties and good conductivity. In this study it was aimed to prepare Polyaniline (PANI)/Hexagonal boron nitride (h-BN) composites. Chemical structures of the composites were characterized by FTIR analysis. Thermal properties of these novel composites were analyzed by TGA and DSC measurements. Glass transition temperatures and char yields of the composites increased with increasing h-BN percentage. FTIR, XRD and UV measurements indicated that the boron atoms in h-BN particles interact with the unpaired electrons in nitrogen atoms of PANI. Dielectric measurements revealed dipolar polarization behavior of the composites.