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Issue 9, 2011
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Ligand-mediated shape control in the solvothermal synthesis of titanium dioxide nanospheres, nanorods and nanowires

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Abstract

A versatile synthetic method, based on a solvothermal synthesis technique, has been developed for the fabrication of TiO2 nanocrystals with different shapes, such as nanowires, nanorods and nanospheres. The central characteristic of our approach is the production of a coordination complex at an intermediate stage of the reaction that possesses appropriate symmetry using two distinct ligands, oleic acid and oleylamine. Those ligands have different binding strengths, which specifically dictate the shape of both the coordination complex and the resulting TiO2 nanostructures. Additionally, this approach yields, for the first time, monodisperse, 4 nm anatase TiO2 nanocrystals by controlling the symmetry of the intermediate and solvothermal conditions.

Graphical abstract: Ligand-mediated shape control in the solvothermal synthesis of titanium dioxide nanospheres, nanorods and nanowires

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Article information


Submitted
27 May 2011
Accepted
29 Jun 2011
First published
15 Aug 2011

Nanoscale, 2011,3, 3799-3804
Article type
Paper

Ligand-mediated shape control in the solvothermal synthesis of titanium dioxide nanospheres, nanorods and nanowires

I. Gonzalo-Juan, J. R. McBride and J. H. Dickerson, Nanoscale, 2011, 3, 3799
DOI: 10.1039/C1NR10540J

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