Dispersion characterization of conductive polymer

Saad F. Oboudi, Mohammed T. Abdul Nabi, Wasan A. Al-Taa'y, Muhammad Rahimi Usop, Darfizzi Derawi, Emad Yousif

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Pure and doped PMMA films with NiCl2 have been deposited by using casting method. Optical measurements were studied by UV- VIS technique in the wavelength ranges (200-800)nm. The optical properties and dispersion parameters of films have been studied as a function of doping concentration of NiCl2. Changes in direct optical energy band gap of films were confirmed after doping, the optical energy gap decreased from 3.29eV for the pure PMMA to 1.90eV after increasing the doping concentration of NiCl2 to 0.4%, These result were inversely with the Urbach tails where increased from 278 to 702 meV. The changes in optical properties and dispersion parameters were investigated. An increase in the doping concentration causes an increase in the reflectance, absorption coefficient and in the average oscillator strength from 1.73 to 4.29 eV. The transmittance, single-oscillator energy, static refractive index, static dielectric constant, moments of the imaginary part of the optical spectrum, average oscillator position and average oscillator strength were decreases with increasing NiCl2 content.

Original languageEnglish
Pages (from-to)1555-1562
Number of pages8
JournalInternational Journal of Electrochemical Science
Volume10
Issue number2
Publication statusPublished - 2015

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Polymers
Doping (additives)
Polymethyl Methacrylate
Energy gap
Optical properties
Band structure
Refractive index
Casting
Permittivity
Wavelength

Keywords

  • Conductive polymer
  • Dispersion parameters
  • NiCl
  • Optical properties
  • PMMA

ASJC Scopus subject areas

  • Electrochemistry

Cite this

Oboudi, S. F., Abdul Nabi, M. T., Al-Taa'y, W. A., Usop, M. R., Derawi, D., & Yousif, E. (2015). Dispersion characterization of conductive polymer. International Journal of Electrochemical Science, 10(2), 1555-1562.

Dispersion characterization of conductive polymer. / Oboudi, Saad F.; Abdul Nabi, Mohammed T.; Al-Taa'y, Wasan A.; Usop, Muhammad Rahimi; Derawi, Darfizzi; Yousif, Emad.

In: International Journal of Electrochemical Science, Vol. 10, No. 2, 2015, p. 1555-1562.

Research output: Contribution to journalArticle

Oboudi, SF, Abdul Nabi, MT, Al-Taa'y, WA, Usop, MR, Derawi, D & Yousif, E 2015, 'Dispersion characterization of conductive polymer', International Journal of Electrochemical Science, vol. 10, no. 2, pp. 1555-1562.
Oboudi, Saad F. ; Abdul Nabi, Mohammed T. ; Al-Taa'y, Wasan A. ; Usop, Muhammad Rahimi ; Derawi, Darfizzi ; Yousif, Emad. / Dispersion characterization of conductive polymer. In: International Journal of Electrochemical Science. 2015 ; Vol. 10, No. 2. pp. 1555-1562.
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