In situ synthesis of mesoporous CdS nanoparticles in ternary cubic phase lyotropic liquid crystal

Huang, Nay Ming and Kan, C.S. and Radiman, S. (2003) In situ synthesis of mesoporous CdS nanoparticles in ternary cubic phase lyotropic liquid crystal. Applied Physics A, 76 (4). pp. 555-559. ISSN 0947-8396, DOI

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An in situ technique for the synthesis of CdS nanoparticles in a ternary lyotropic cubic phase liquid crystal has been carried out. The extremely viscous cubic phase liquid-crystal system consists of poly(oxyethylene)10 nonly phenol ether as non-ionic surfactant, octane as oil phase and an aqueous phase containing reactant ions (Cd2+ and S2-). Thioacetamide (TAA) has been utilized as a source for slow release of sulfur in the in situ synthesis of CdS. Rheological results show that CdS nanoparticle growth did not disrupt the structure of the cubic phase liquid-crystal system. This indicates that homogenous synthesis of CdS in the liquid crystal had been achieved. The final products were characterized using X-ray photoelectron spectroscopy, thermal gravimetric analysis, transmission electron microscopy and UV-visible spectroscopy. It was found that the CdS nanoparticles formed have a mesoporous structure with a size dependent on the TAA decomposition aging time.

Item Type: Article
Uncontrolled Keywords: Hydrocarbons Ions Liquid crystals Mesoporous materials Nanostructured materials Polyethylene glycols Rheology Sulfur Surface active agents Synthesis (chemical) Thermogravimetric analysis X ray photoelectron spectroscopy Mesoporous cadmium sulfide nanoparticles Nonyl phenol ether Octane Ternary cubic phase lyotropic liquid crystals Thioacetamide Semiconducting cadmium compounds
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 02:27
Last Modified: 06 Aug 2019 04:21

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