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Growth Kinetics of Nanoclusters in Solution

Singh, Awaneesh and Puri, Sanjay and Dasgupta, Chandan (2012) Growth Kinetics of Nanoclusters in Solution. In: Journal of Physical Chemistry B, 116 (15). pp. 4519-4523.

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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp211380j

Abstract

We study the growth kinetics of nanoclusters in solution. There are two generic factors that drive growth: (a) reactions that produce the nanomaterial; and (b) diffusion of the nanomaterial due to chemical-potential gradients. We model the growth kinetics of ZnO nanoparticles via coupled dynamical equations for the relevant order parameters, We study this model both analytically and numerically. We find that there is a crossover in thenanocluster growth law: from L(t) similar to t(1/2) in the reaction-controlled regime to L(t) t(1/3) in the diffusion-controlled regime.

Item Type: Journal Article
Additional Information: Copyright of this article is belongs to American Chemical Society.
Keywords: PHASE-SEPARATION DYNAMICS;BINARY-MIXTURES;SPINODAL DECOMPOSITION;CHEMICAL-REACTIONS;ZNO NANOPARTICLES;II-VI; CLUSTERS;NANOCRYSTALS;SIMULATIONS;COALESCENCE
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 22 Aug 2012 04:51
Last Modified: 22 Aug 2012 04:51
URI: http://eprints.iisc.ernet.in/id/eprint/44454

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