Issue 9, 2012
From the journal:

CrystEngComm

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

Marko Bitenc,ab   Peter Podbršček,a   Pavo Dubček,c   Sigrid Bernstorff,d   Goran Dražić,e   Bojan Orelf  and  Zorica Crnjak Orel*ab  

* Corresponding authors

a National Institute of Chemistry Slovenia, Hajdrihova 19, Ljubljana, Slovenia
E-mail: zorica.crnjak.orel@ki.si
Fax: +386 1 476 0300
Tel: +386 1 476 0236

b Centre of Excellence for Polymer Materials and Technologies, Tehnološki park 24, 1000 Ljubljana, Slovenia

c Materials Research Dept., Ruđer Bošković Institute, P.O. Box 180, Zagreb, Croatia

d Sincrotrone Trieste, S.C.p.A., I-34012 Basovizza, TS, Italy

e Jožef Stefan Institute, Jamova 39, Ljubljana, Slovenia

f Faculty of Computer and Information Science, University of Ljubljana, Tržaška cesta 25, Ljubljana, Slovenia

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

DOI
https://doi.org/10.1039/C2CE06134A
Article type
Paper
Submitted
02 Sep 2011
Accepted
07 Feb 2012
First published
07 Mar 2012

CrystEngComm, 2012,14, 3080-3088

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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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