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

被引：67

作者：

Khiew, PS ^{[1
]}

Huang, NM ^{[1
]}

Radiman, S ^{[1
]}

Ahmad, MS ^{[1
]}

机构：

[1] Univ Kebangsaan Malaysia, Fac Sci & Technol, Sch Appl Phys, Nucl Sci Program, Bangi 43600, Salangor, Malaysia

来源：

MATERIALS LETTERS | 2004年 / 58卷 / 05期

关键词：

NiS; nanomaterials; sucrose ester; phase diagrams; electron microscopy; X-ray techniques;

D O I：

10.1016/j.matlet.2003.07.006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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 degreesC 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. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：762 / 767

页数：6

共 23 条

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