Synthesis and characterization of ultra small PbS nanorods in sucrose ester microemulsion

Huang, N.M. and Radiman, S. and Lim, H.N. and Yeong, S.K. and Khiew, P.S. and Chiu, W.S. and Kong, S.N. and Mohamed Saeed, G.H. (2009) Synthesis and characterization of ultra small PbS nanorods in sucrose ester microemulsion. Materials Letters, 63 (3-4). pp. 500-503. ISSN 0167577X, DOI

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In the present study, we report for the first time the synthesis of ultra small PbS nanorods in a non-ionic sugar based water-in-oil (w/o) microemulsion system using food grade sucrose ester as surfactant. PbS was formed by mixing lead nitrate and thioacetamide in the water core of the microemulsion system. The as-prepared PbS nanorods were characterized by X-ray diffractometry (XRD), uv-visible absorption spectroscopy (UV-VIS), transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS). The diameter of the PbS nanorods were found to be extremely small, which is in the range of 2.64 nm to 2.91 nm depending on reaction aging time. Spherical PbS nanoparticles were formed after 12 h and PbS nanorods were formed after more than 1 day of reaction aging time. © 2008 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: Chalcogenides Electron microscopy Microemulsion Nanomaterials Sucrose ester Absorption spectroscopy Auger electron spectroscopy Electron microscopes Electrons Esterification Esters Inorganic compounds Ionization of liquids Microemulsions Nanorods Nanostructured materials Organic compounds Photoelectron spectroscopy Sugar (sucrose) Sugars Surface active agents Transmission electron microscopy X ray diffraction analysis Aging times Diffractometry Food grades Lead nitrates Microemulsion systems Synthesis and characterizations Synthesis of Thioacetamide Ultra smalls Uv-visible X-ray photoelectron spectroscopies X ray photoelectron spectroscopy
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: miss munirah saadom
Date Deposited: 04 Apr 2013 01:47
Last Modified: 04 Apr 2013 01:47

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