Structural, optical and electrical properties of ZnS nanoparticles affecting by organic coating

N. Soltani, A. Dehzangi, A. Kharazmi, E. Saion, W. Mahmood Mat Yunus, Burhanuddin Yeop Majlis, M. Reza Zare, E. Gharibshahi, N. Khalilzadeh

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

In this study the influence of the organic polymeric coating and its concentration on the structural, optical and electrical properties of ZnS nanocrystals has been investigated. In this matter, PVP-capped ZnS nanocrystals were prepared by a simple, rapid and energy efficient microwave method. The XRD results confirmed the formation of single phase cubic nanocrystalline structure. TEM images showed the formation of well isolated spherical nanoparticles with the average size of less than 5.5 nm. The presence of tensile strain in all samples was determined from Williamson-Hall analysis. The elemental compositions of Zn, S and O were quantitatively obtained from EDX analysis, where the FT-IR spectra confirmed coordination with O atoms of PVP. The band gap and absorption edge shift was determined using UV-visible spectroscopy. The PL spectra of the PVPcapped ZnS nanoparticles appeared broadened from 370 to 500 nm due to the presence of multiple emission bands attribute to the sulfur and zinc vacancies or compounded effect of PVP. The electrical property study of samples indicated the conductivity enhancement from 2.981×10-6 to 7.014 ×10-6 S/m by increasing PVP concentration. Increasing of dielectric constant and decrease in the peak value of tan δ by raising the PVP concentration were observed.

Original languageEnglish
Pages (from-to)79-90
Number of pages12
JournalChalcogenide Letters
Volume11
Issue number2
Publication statusPublished - Feb 2014

Fingerprint

Organic coatings
Nanocrystals
Structural properties
Electric properties
Optical properties
electrical properties
Nanoparticles
coatings
optical properties
nanoparticles
Tensile strain
nanocrystals
Sulfur
Vacancies
Zinc
Energy dispersive spectroscopy
nanostructure (characteristics)
Energy gap
Permittivity
Microwaves

Keywords

  • AC and DC conductivity
  • Dielectric constant
  • Photoluminescence
  • PVP
  • Williamson-Hall analysis
  • ZnS nanoparticles

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Chemistry(all)
  • Physics and Astronomy(all)

Cite this

Soltani, N., Dehzangi, A., Kharazmi, A., Saion, E., Mahmood Mat Yunus, W., Yeop Majlis, B., ... Khalilzadeh, N. (2014). Structural, optical and electrical properties of ZnS nanoparticles affecting by organic coating. Chalcogenide Letters, 11(2), 79-90.

Structural, optical and electrical properties of ZnS nanoparticles affecting by organic coating. / Soltani, N.; Dehzangi, A.; Kharazmi, A.; Saion, E.; Mahmood Mat Yunus, W.; Yeop Majlis, Burhanuddin; Reza Zare, M.; Gharibshahi, E.; Khalilzadeh, N.

In: Chalcogenide Letters, Vol. 11, No. 2, 02.2014, p. 79-90.

Research output: Contribution to journalArticle

Soltani, N, Dehzangi, A, Kharazmi, A, Saion, E, Mahmood Mat Yunus, W, Yeop Majlis, B, Reza Zare, M, Gharibshahi, E & Khalilzadeh, N 2014, 'Structural, optical and electrical properties of ZnS nanoparticles affecting by organic coating', Chalcogenide Letters, vol. 11, no. 2, pp. 79-90.
Soltani N, Dehzangi A, Kharazmi A, Saion E, Mahmood Mat Yunus W, Yeop Majlis B et al. Structural, optical and electrical properties of ZnS nanoparticles affecting by organic coating. Chalcogenide Letters. 2014 Feb;11(2):79-90.
Soltani, N. ; Dehzangi, A. ; Kharazmi, A. ; Saion, E. ; Mahmood Mat Yunus, W. ; Yeop Majlis, Burhanuddin ; Reza Zare, M. ; Gharibshahi, E. ; Khalilzadeh, N. / Structural, optical and electrical properties of ZnS nanoparticles affecting by organic coating. In: Chalcogenide Letters. 2014 ; Vol. 11, No. 2. pp. 79-90.
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