Abstract
ABSTRACT Nanoparticles serve the need for advanced materials with specific chemical, physical, and electronic properties. These properties can manipulate the particle size. Consequently, size control has been recognized as a key factor in the selection of a nanoparticle preparation technique. Water-in-oil (W/O) microemulsion or reverse micelles has been successfully used to prepare a wide variety of nanoparticles with controlled sizes. Cadmium oxide nanoparticles with different morphology such as spherical and umbrella shaped nanoparticles could be successfully synthesized from cationic surfactant- (CTAB)/n-butyl alcohol/cyclohexane or isooctane/water as a reverse microemulsion system. Variations in organic solvents, that is, iso-octane and cyclo-hexane, played an important role in morphological control of cadmium oxide nanostructures. Iso-octane leads to bigger and polydispersed nanoparticles compared to cyclo-hexane as oil phase in microemulsion system. A rational mechanism of synthesis based on fusion,...
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