Influence of polymer matrix on nonlinear optical properties and optical limiting threshold of polymer-ZnO nanocomposites

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

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Polymer/ZnO nanocomposites have received a great interest in its linear and nonlinear optical properties because of their potential application such as optical switching and optical limiting devices. In the current work, four polymer/ZnO nanocomposites as a flexible foil have been prepared using casting method. Poly (methyl methacrylate) (PMMA), poly (vinylidene fluoride), polyvinyl alcohol and polystyrene were used as polymer matrices, while ZnO nanoparticles of different concentrations were used as filler. The composition of nanocomposites materials was confirmed by the energy dispersive X-ray (EDX), also a good spatial distribution of elements in the nanocomposites was showed by EDS mapping. The UV–Visible transmittance spectra of as-prepared samples showed low transmittance in the UV region and the peak absorption in the range of 370–377 nm depended on the polymer matrix. The optical absorptive and refractive nonlinearities parameters such as absorption coefficient and refractive index of the as-prepared sample were analyzed using an open and closed aperture single beam Z-scan technique via Q-switched Nd-YAG pulse laser at 532 nm. The nonlinear refractive index was in the order of 10−12 cm2/W with a negative sign whereas the nonlinear absorption coefficient was in the order of 10−7 cm/W. In order to evaluate the suitability of the samples as optical limiting, the optical limiting threshold of the samples was measured by using transmittance technique. The results showed that the prepared nanocomposites can be considered as an excellent candidate for optical limiting devices. PMMA/ZnO with high concentration of ZnO nanoparticles showed low optical limiting threshold, which was equal to 70 Mw/cm2.

Original languageEnglish
Pages (from-to)1-11
Number of pages11
JournalJournal of Materials Science: Materials in Electronics
DOIs
Publication statusAccepted/In press - 23 May 2016

Fingerprint

Polymer matrix
Nanocomposites
nanocomposites
Polymers
Optical properties
optical properties
thresholds
polymers
matrices
transmittance
Polymethyl Methacrylate
Polymethyl methacrylates
polymethyl methacrylate
Refractive index
absorptivity
refractivity
Nanoparticles
Polyvinyl Alcohol
nanoparticles
polyvinyl alcohol

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Influence of polymer matrix on nonlinear optical properties and optical limiting threshold of polymer-ZnO nanocomposites. / Shanshool, Haider Mohammed; Yahaya, Muhammad; Yunus, Wan Mahmood Mat; Abdullah, Ibtisam Yahya.

In: Journal of Materials Science: Materials in Electronics, 23.05.2016, p. 1-11.

Research output: Contribution to journalArticle

Shanshool, Haider Mohammed ; Yahaya, Muhammad ; Yunus, Wan Mahmood Mat ; Abdullah, Ibtisam Yahya. / Influence of polymer matrix on nonlinear optical properties and optical limiting threshold of polymer-ZnO nanocomposites. In: Journal of Materials Science: Materials in Electronics. 2016 ; pp. 1-11.
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