Preprint Article Version 1 This version is not peer-reviewed

Effects of Concentration Percentages of PCL/AGNO3/ZNO on Electrical Properties of Nanofiber Composites Produced by Using Co-Axial Electrospinning

Version 1 : Received: 22 October 2018 / Approved: 23 October 2018 / Online: 23 October 2018 (08:43:36 CEST)

How to cite: Terzi, U.K.; Gunduz, O. Effects of Concentration Percentages of PCL/AGNO3/ZNO on Electrical Properties of Nanofiber Composites Produced by Using Co-Axial Electrospinning. Preprints 2018, 2018100528 (doi: 10.20944/preprints201810.0528.v1). Terzi, U.K.; Gunduz, O. Effects of Concentration Percentages of PCL/AGNO3/ZNO on Electrical Properties of Nanofiber Composites Produced by Using Co-Axial Electrospinning. Preprints 2018, 2018100528 (doi: 10.20944/preprints201810.0528.v1).

Abstract

Nanofibers appearing functional properties show a great promise as allowing constituents for a wide range of medical applications. In this work, Polycaprolactone (PCL), Silver Nitrate (AgNO3) and Zinc Oxide (ZnO) were used for fabrication of nanofiber composite material by co-axial electrospinning (CAE) process. 5, 10, and 15 wt. % concentrations of PCL were utilized and different amount of AgNO3 and ZnO were used in entire samples. Morphological analyses of the electrospun nanocomposites were done by scanning electron microscopy (SEM) and AgNO3, ZnO and PCL materials’ functional groups were determined by Fourier Transform Infrared Spectroscopy (FTIR). Before co-axial electrospinning, physical properties such as liquid state ac conductivity, density and viscosity were measured for all solutions. Capacitance (Cp) and D-factors (tanδ) of nanocomposite materials are measured for the frequency range of 20Hz – 3MHz and the solid state alternating current (ac) conductivity, permittivity (ε’) and dielectric loss (ε’’) were calculated for all solutions after co-axial electrospinning. Effects of concentration percentages of PCL and AgNO3 on real and imaginary parts of dielectric constant and solid state ac conductivity have been analyzed and comparisons have been made by the results obtained.

Subject Areas

biocomposites; nanomaterials; measurement; electrical properties; electrospinning

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