Generation of Silver and Lead Chromate Nanoparticles
in Triton N-42 and AOT Reversed-Micellar Solutions

M. G. Demidova*^, **, A. I. Bulavchenko*^, **, and A. V. Alekseev **

*Novosibirsk State University

**Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences,
pr. Akademika Lavrent’eva 3, Novosibirsk, 630090 Russia

Received July 31, 2007

Abstract—A process is proposed for manufacturing silver and lead nanoparticles in Triton N-42 and AOT solu-
tions in decane. The completion of nanoparticle formation and solution stability were studied spectrophotomet-
rically as functions of the parameters of reversed-micellar systems (the nature and proportion of the surfactant,
solubilization capacity, reagent concentrations, and their ratios). Atomic absorption spectroscopy (AAS) and
X-ray powder diffraction (XRD) showed that the nanoparticles isolated from Triton N-42 and AOT solutions
compositionally correspond to and are isostructural to Ag₂CrO₄ and PbCrO₄. Mean nanoparticle sizes are
1530nm as determined by transmission electron microscopy (TEM).

DOI: 10.1134/S0036023608090167

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