Physics – Condensed Matter – Materials Science
Scientific paper
2011-11-24
Physics
Condensed Matter
Materials Science
15 pages, 7 figures
Scientific paper
The data of experimental studies of optical characteristics of colloidal solutions, composition and morphology of its dispersed phase, resulting from laser ablation of zinc in aqueous solutions of anionic surfactants --- sodium dodecyl sulfate (SDS), dioctyl sodium sulfosuccinate (AOT) are presented. It is shown that by studying the optical absorption spectra of the colloid, X-ray spectra and AFM-images of extracted from colloid solid phase, it is possible to trace the dynamics of ZnO nanostructures formation from zinc nanoclasters size of several nanometers to ZnO fractal aggregates (FA) size up to hundreds of nanometers. Determinants of this process are the average power and an ablation exposure, the frequency of the laser pulses, the colloid aging time, the type and concentration of surfactant in solution. In the selection of appropriate regimes, along with zinc oxide obtained other nanoproducts --- hydrozincit and organo-inorganic layered composite \ce{[(\beta) - Zn(OH)2 + SDS]}.
Borodina Tatyana
Gololobova Olesya A.
Karpukhin Vyacheslav T.
Malikov Mikhail M.
Valyano Evgeniy G.
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