Investigation of energy band gap in polymer/ZnO nanocomposites

Haider Mohammed Shanshool, Muhammad Yahaya, Wan Mahmood Mat Yunus, Ibtisam Yahya Abdullah

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Polymers/ZnO nanocomposites have been receiving great interest due to their wide range of applications in optical devices. So, there is an essential need to enhance their optical properties. In this work, nanocomposites of four types of polymer and ZnO nanoparticles have been prepared as flexiable foil by using the casting method. Poly (methyl methacrylate) (PMMA), poly (vinylidene fluoride) (PVDF), polyvinyl alcohol (PVA), and polystyrene (PS) are used as polymer matrix while different concentrations of ZnO nanoparticles are used as filler. The analysis of energy dispersive X-ray (EDX) is satisfied of the high purity of as-prepared samples. UV-visible transmittance spectra have shown low transmittance in UV region which is inversely proportional with the concentration of ZnO nanoparticles. Linear absorption coefficient (α) has shown the presence of absorption edges. The energy gap is calculated, it is noticed that the optical band gap of all nanocomposites are red shifted. The values of the energy gap for all samples decreased with the increase of the weight percentage of ZnO nanoparticles in nanocomposites. However, the decrement in nanocomposites samples is different.

Original languageEnglish
Pages (from-to)9804-9811
Number of pages8
JournalJournal of Materials Science: Materials in Electronics
Volume27
Issue number9
DOIs
Publication statusPublished - 1 Sep 2016

Fingerprint

Nanocomposites
Band structure
energy bands
nanocomposites
Polymers
Energy gap
Nanoparticles
polymers
nanoparticles
transmittance
Polyvinyl Alcohol
Optical Devices
polyvinyl alcohol
Polyvinyl alcohols
Polystyrenes
Optical band gaps
Polymethyl Methacrylate
vinylidene
Optical devices
Polymer matrix

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biophysics
  • Bioengineering
  • Biomaterials
  • Atomic and Molecular Physics, and Optics
  • Biomedical Engineering
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Investigation of energy band gap in polymer/ZnO nanocomposites. / Shanshool, Haider Mohammed; Yahaya, Muhammad; Yunus, Wan Mahmood Mat; Abdullah, Ibtisam Yahya.

In: Journal of Materials Science: Materials in Electronics, Vol. 27, No. 9, 01.09.2016, p. 9804-9811.

Research output: Contribution to journalArticle

Shanshool, Haider Mohammed ; Yahaya, Muhammad ; Yunus, Wan Mahmood Mat ; Abdullah, Ibtisam Yahya. / Investigation of energy band gap in polymer/ZnO nanocomposites. In: Journal of Materials Science: Materials in Electronics. 2016 ; Vol. 27, No. 9. pp. 9804-9811.
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