Kinetics of nanoparticle synthesis by liquid-liquid interfacial reaction

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In this paper we report a novel method of using liquid-liquid interfacial reaction to produce noble metal palladium nanoparticles at the interface of 1, 2-dichloroethane and water. The growth kinetics and aggregation of the nanoparticles were followed using dynamic light scattering and interfacial tension measurements with pendant drop technique. The synthesized nanoparticles have primary particle size range of 50-100 nm, which aggregates and forms a network of flocks as the reaction proceeds. While the initial growth of the nanoparticles was found to be diffusion controlled, increasing the shear at the interface was found to affect the final particle size. This illustrates the effect of increased convective mixing on the aggregation and final size of the nanoparticles. © 2009 Elsevier B.V. All rights reserved.

Bibliographical metadata

Original languageEnglish
Pages (from-to)3-7
Number of pages4
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Issue number1-3
Publication statusPublished - 10 Jul 2009