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Issue 9, 2012
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The growth mechanism of zinc oxide and hydrozincite: a study using electron microscopies and in situ SAXS

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Abstract

The growth mechanism of ZnO is investigated by a combination of electron microscopy and in situ small-angle X-ray scattering (SAXS). The particles are prepared by the precipitation of zinc nitrate with urea. Depending on the reaction conditions, ZnO, hydrozincite, or a mixture of both phases is detected in our system. The molecular precursors and complexation reactions of the formation process are numerically predicted by the partial-charge model. The condensation and complexation reactions lead to the formation of nanoparticle building units up to a size of 10 nm. Afterwards, the nanoparticles immediately self-assemble into micro-sized particles.

Graphical abstract: The growth mechanism of zinc oxide and hydrozincite: a study using electron microscopies and in situ SAXS

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Article information


Submitted
02 Sep 2011
Accepted
07 Feb 2012
First published
07 Mar 2012

CrystEngComm, 2012,14, 3080-3088
Article type
Paper

The growth mechanism of zinc oxide and hydrozincite: a study using electron microscopies and in situ SAXS

M. Bitenc, P. Podbršček, P. Dubček, S. Bernstorff, G. Dražić, B. Orel and Z. C. Orel, CrystEngComm, 2012, 14, 3080
DOI: 10.1039/C2CE06134A

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