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Cabot A, Ibáñez M, Guardia P, et al. Reaction regimes on the synthesis of hollow particles by the Kirkendall effect. J Am Chem Soc. 2009;131(32):11326-8doi: 10.1021/ja903751p.
Cabot, A., Ibáñez, M., Guardia, P., & Alivisatos, A. P. (2009). Reaction regimes on the synthesis of hollow particles by the Kirkendall effect. Journal of the American Chemical Society, 131(32), 11326-8. https://doi.org/10.1021/ja903751p
Cabot, Andreu, et al. "Reaction regimes on the synthesis of hollow particles by the Kirkendall effect." Journal of the American Chemical Society vol. 131,32 (2009): 11326-8. doi: https://doi.org/10.1021/ja903751p
Cabot A, Ibáñez M, Guardia P, Alivisatos AP. Reaction regimes on the synthesis of hollow particles by the Kirkendall effect. J Am Chem Soc. 2009 Aug 19;131(32):11326-8. doi: 10.1021/ja903751p. PMID: 19630408.
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J Am Chem Soc. 2009 Aug 19;131(32):11326-8. doi: 10.1021/ja903751p.

Reaction regimes on the synthesis of hollow particles by the Kirkendall effect.

Journal of the American Chemical Society

Andreu Cabot, Maria Ibáñez, Pablo Guardia, A Paul Alivisatos

Affiliations

  1. Departament d'Electrònica and Institut de Nanociència i Nanotecnologia, Universitat de Barcelona, Barcelona 08028, Spain. [email protected]

PMID: 19630408 DOI: 10.1021/ja903751p

Abstract

The formation of hollow vs solid particles by means of the oxidation reaction of solid metal particles depends on the differential self-diffusivities of the reactants through the composite shell, the reaction probabilities at each interface, and the concentration and diffusivity of the element in solution. By means of a kinetic model of the oxidation process, we determine the phase diagrams for the geometry of the oxidized particles and propose four shell growth regimes. We experimentally illustrate the different growth scenarios by changing the conditions of oxidation of cadmium spherical crystals using different chalcogen precursors.

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