In situ templating of PbS nanorods in reverse hexagonal liquid crystal

Huang, N.M. and Shahidan, R. and Khiew, P.S. and Peter, L. and Kan, C.S. (2004) In situ templating of PbS nanorods in reverse hexagonal liquid crystal. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 247 (1-3). pp. 55-60. ISSN 0927-7757, DOI

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We report the in situ templating of lead sulfides (PbS) with mean diameter of 5.7 ± 1.0 nm in the reverse hexagonal phase liquid crystal using lead nitrate and thioacetamide as the reactants. The texture of the reverse hexagonal phase for before and after PbS growth does not varies as observed under polarizing microscope indicating direct templating of PbS in hexagonal liquid crystalline phase. This result is consistent with measurement using small-angle X-ray scattering (SAXS). X-ray photoelectron spectroscopy (XPS) has been carried out to confirm the formation of PbS and energy filter transmission electron microscopy (EFTEM) observations show the size and shape of the PbS particles. The templated PbS nanorods show blue shift compare to the bulk material when characterized using UV-vis-NIR spectroscopy. © 2004 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: Chalcogenides, Liquid crystal, Nanostructures, Blue shift, Energy filter transmission electron microscopy (EFTEM), Nanorods Small-angle X-ray scattering (SAXS) Lead compounds Liquid crystals Textures Transmission electron microscopy X ray photoelectron spectroscopy X ray scattering Nanostructured materials crystallin lead nitrate lead sulfide nanoparticle thioacetamide article chemical reaction comparative study electron microscopy measurement polarization microscope priority journal ultraviolet radiation X ray crystallography
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: miss munirah saadom
Date Deposited: 01 Apr 2013 04:35
Last Modified: 11 Feb 2019 09:05

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