Journal
CRYSTENGCOMM
Volume 14, Issue 11, Pages 4041-4048Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ce25154j
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Funding
- China Scholarship Council (CSC)
- Queensland Government NIRAP in Australia
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We report a method for controlling the exposed facets and hence the dimensionality and shape of ZnO nanocrystals using a non-hydrolytic aminolysis synthesis route. The effects of changes to reaction conditions on ZnO formation were investigated and possible self-assembly mechanisms proposed. The crystal facet growth and hence morphologies of the ZnO nanocrystals were controlled by varying reaction temperature and the reactant ratio. Four distinct ZnO nanocrystal types were produced (nanocones, nanobullets, nanorods and nanoplates). The relative photocatalytic activities of the exposed facets of these ZnO nanostructures were also examined, which showed the activities obviously depended on the reactivity of exposed crystal facets in the order: {1011} >> {0001}, {1010}.
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