Synthesis of NiS nanoparticles using a sugar-ester nonionic water-in-oil microemulsion

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

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Nickel sulfide (NiS) nanoparticles were prepared in water-in-oil (w/o) microemulsion system containing sucrose ester as the surfactants. The commercial food grade sucrose monoester (abbreviated S-1170) is a biodegradable and non-toxic surfactant, which can be adopted to form w/o microemulsion system in the presence of 1-butanol as co-solvent. The pseudo-ternary phase diagram for the inverse microemulsion region has been determined by the titration method. It was found that the studied system forms clear and homogenous microemulsion when heated to 37 °C but gradually becomes turbid at room temperature due to the phase separation. The as-prepared NiS nanoparticles were characterized by energy filter transmission electron microscopy (EFTEM), UV-VIS-NIR absorption spectroscopy and X-ray photoelectron spectroscopy (XPS). The results showed that the synthesized nanoparticles have regular shape, monodispersed and in the size range of 3-12 nm.

Original languageEnglish
Pages (from-to)762-767
Number of pages6
JournalMaterials Letters
Volume58
Issue number5
DOIs
Publication statusPublished - Feb 2004

Fingerprint

Microemulsions
sugars
Sugars
sulfides
esters
Esters
Oils
oils
sucrose
Nickel
nickel
Nanoparticles
nanoparticles
Water
Sugar (sucrose)
synthesis
surfactants
Surface-Active Agents
water
Sucrose

Keywords

  • Electron microscopy
  • Nanomaterials
  • NiS
  • Phase diagrams
  • Sucrose ester
  • X-ray techniques

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Synthesis of NiS nanoparticles using a sugar-ester nonionic water-in-oil microemulsion. / Khiew, P. S.; Huang, N. M.; Radiman, Shahidan; Ahmad, Md Soot.

In: Materials Letters, Vol. 58, No. 5, 02.2004, p. 762-767.

Research output: Contribution to journalArticle

Khiew, P. S. ; Huang, N. M. ; Radiman, Shahidan ; Ahmad, Md Soot. / Synthesis of NiS nanoparticles using a sugar-ester nonionic water-in-oil microemulsion. In: Materials Letters. 2004 ; Vol. 58, No. 5. pp. 762-767.
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