Water-based wet chemical synthesis of (doped) ZnO nanostructures |
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Authors: | Heidi Van den Rul Dirk Mondelaers Marlies K Van Bael Jules Mullens |
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Institution: | (1) IMEC vzw, Division IMOMEC, Agoralaan – building D, B-3590 Diepenbeek;(2) Institute for Materials Research, Research Group of Inorganic and Physical Chemistry, Universiteit Hasselt, Agoralaan – building D, B-3590 Diepenbeek |
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Abstract: | Looking at its vast range of applications, nanostructured ZnO can be considered as a key technological material. Simple and
ecological production techniques for this and other nanostructured materials can boost the detection of their unusual properties.
In this context water-based wet chemical synthesis routes for nanostructured ZnO are explored in this study. The advantages
and disadvantages of controlled double-jet precipitation, microemulsion preparation, hydrothermal synthesis and an aqueous
solution-gel route are described for the formation of (doped) ZnO nanoparticles. The influence of the synthesis parameters
on the particle size, size distribution and degree of agglomeration of the particles is reported. Thin films are prepared
by chemical solution deposition from aqueous solution. The heat treatment profile and the precursor composition are seen to
largely control the density, the grain size and the degree of preferential c-axis orientation. |
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Keywords: | Sol-gel Aqueous synthesis Controlled double-jet precipitation Thin films Nanoparticles |
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