Investigations on electrical properties of poly(vinyl alcohol) doped with 1-methyl-3-n-decyl-imidazolium bromide ionic liquid

Ahmad I. Ayesh, Mahmoud A. Mohsin, Mohammad Y. Haik, Yousef Haik

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Thin films of poly(vinyl alcohol) (PVA) that are 100-500 μm thick were prepared by solution casting method. Various ratios of 1-methyl-3-n-decyl- imidazolium bromide ionic liquid [MDIM] (+)Br (-), were used as dopants (plasticizers) to control the conductivity of the PVA thin films. Fourier transform infrared spectroscopy (FTIR) was used to indicate the detailed interaction of PVA with proton of the dopant in the blends. Ac impedance spectroscopy was used to investigate the impedance of the films within a frequency range of 10-10 6 Hz as a function of temperature between 298 and 425 K. Each film with a precise doping concentration was sandwiched between two stainless-steel electrodes. The results showed that the electrical conductivity can be engineered by controlling the [MDIM] (+)Br (-) doping concentration. Therefore, those films have potential to be used in flexible and cheap organic device applications.

Original languageEnglish
Pages (from-to)1223-1228
Number of pages6
JournalCurrent Applied Physics
Volume12
Issue number4
DOIs
Publication statusPublished - Jul 2012
Externally publishedYes

Fingerprint

Ionic Liquids
Bromides
Ionic liquids
bromides
Electric properties
alcohols
Alcohols
electrical properties
Doping (additives)
liquids
impedance
plasticizers
thin films
Plasticizers
Thin films
stainless steels
Stainless Steel
frequency ranges
infrared spectroscopy
Fourier transform infrared spectroscopy

Keywords

  • 1-methyl-3-n-decyl-imidazolium bromide
  • Ac impedance spectroscopy
  • Electrical conductivity
  • FTIR spectroscopy
  • Ionic liquid
  • Poly(vinyl alcohol)

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

Investigations on electrical properties of poly(vinyl alcohol) doped with 1-methyl-3-n-decyl-imidazolium bromide ionic liquid. / Ayesh, Ahmad I.; Mohsin, Mahmoud A.; Haik, Mohammad Y.; Haik, Yousef.

In: Current Applied Physics, Vol. 12, No. 4, 07.2012, p. 1223-1228.

Research output: Contribution to journalArticle

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