Preparation and characterization of ZnS nanoparticles synthesized from chitosan laurate micellar solution

P. S. Khiew, Shahidan Radiman, N. M. Huang, Md Soot Ahmad, K. Nadarajah

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Synthesis of ZnS nanostructured materials has been performed in the micellar solution system, containing chitosan laurate as the surfactant. The self-assembling of the surfactant molecules in water solution can form unique architecture that can be adopted as the reaction template for the formation of nanomaterials. The synthesized nanomaterials have been characterized by energy filter transmission electron microscopy (EFTEM), Energy Dispersive X-ray Analysis (EDAX), X-ray diffractometry (XRD) and UV-Visible absorption measurement in order to determine the size, morphology, composition, crystal structure and optical behavior of the products. The spectroscopic results showed that the synthesized nanoparticles exhibited strong quantum confinement effect as the optical band gap increased significantly as compared to the bulk materials. In addition, the size of the resulting nanoparticles is greatly affected by the surfactant concentration and range from 2 to 10 nm. It was found that the nanomaterials obtained existed in face-centered cubic structure and exhibited the characteristic line broadening feature in the XRD patterns.

Original languageEnglish
Pages (from-to)989-993
Number of pages5
JournalMaterials Letters
Volume59
Issue number8-9
DOIs
Publication statusPublished - Apr 2005

Fingerprint

Laurates
Chitosan
Nanostructured materials
surfactants
Surface-Active Agents
Nanoparticles
nanoparticles
preparation
Surface active agents
X ray diffraction analysis
x rays
assembling
Quantum confinement
Energy dispersive X ray analysis
Optical band gaps
templates
filters
Energy dispersive spectroscopy
transmission electron microscopy
crystal structure

Keywords

  • Electron microscopy
  • Micellar solution
  • X-ray diffraction
  • ZnS nanomaterials

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Preparation and characterization of ZnS nanoparticles synthesized from chitosan laurate micellar solution. / Khiew, P. S.; Radiman, Shahidan; Huang, N. M.; Soot Ahmad, Md; Nadarajah, K.

In: Materials Letters, Vol. 59, No. 8-9, 04.2005, p. 989-993.

Research output: Contribution to journalArticle

Khiew, P. S. ; Radiman, Shahidan ; Huang, N. M. ; Soot Ahmad, Md ; Nadarajah, K. / Preparation and characterization of ZnS nanoparticles synthesized from chitosan laurate micellar solution. In: Materials Letters. 2005 ; Vol. 59, No. 8-9. pp. 989-993.
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