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Journal of Electronic Materials

, Volume 48, Issue 1, pp 425–437 | Cite as

Synthesis, Characterization, and Optical, Electrical and Thermal Stabilities of Poly(phenoxy-imine)s Containing Methyl and Hydroxyl Groups

  • İsmet Kaya
  • Zekiye Fulya Yetgin
Article
  • 28 Downloads

Abstract

The four different Schiff base compounds were synthesized from condensation reaction of benzaldehyde, 2-hydroxybenzaldehyde, 3-hydroxybenzaldehyde and 2-hydroxy-1-napthaldehyde with 4-amino-3-methylphenol. Then, the Schiff bases were converted into poly(phenoxy-imine)s by oxidative polycondensation in aqueous alkaline medium using NaOCl as oxidant. The structures of synthesized monomers and polymers were determined by Fourier transform infrared, proton-carbon-13 nuclear magnetic resonance (1H-13C-NMR) and ultraviolet–visible (UV–Vis) spectroscopies. The surface morphology of poly(phenoxy-imine)s was determined by scanning electron microscopy images. The molecular weight distributions of poly(phenoxy-imine)s were studied with gel permeation chromatography measurements. The optical properties of compounds were determined from UV–Vis spectroscopy and fluorescence spectroscopy measurements. Electrochemical properties of the compounds were determined by cyclic voltammetry analysis. The solubility tests of the synthesized compounds were performed in various organic solvents. Thermal properties of the compounds were determined by thermogravimetric and differential thermal analysis and differential scanning calorimetry. The electrical conductivity of undoped and iodine-doped poly(phenoxy-imine)s was measured by four-point probe technique at room temperature. The synthesized poly(phenoxy-imine)s show good electrical conductivity with iodine doping and the conductivity increases with the increase in iodine vapor contact time.

Keywords

Poly(phenoxy-imine)s oxidative polycondensation optical and electrochemical band gaps thermal analysis 

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Notes

Acknowledgments

The authors would like to thank the Government Planning Organization for the financial support (Project No.: GPO2010K120710).

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© The Minerals, Metals & Materials Society 2018

Authors and Affiliations

  1. 1.Polymer Synthesis and Analysis Laboratory, Department of ChemistryÇanakkale Onsekiz Mart UniversityÇanakkaleTurkey

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