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A simple low-cost synthesis of brookite TiO2 nanoparticles

Published online by Cambridge University Press:  22 November 2012

Todd C. Monson*
Affiliation:
Sandia National Laboratories, Albuquerque, New Mexico 87185
Mark A. Rodriguez
Affiliation:
Sandia National Laboratories, Albuquerque, New Mexico 87185
Jean L. Leger
Affiliation:
Sandia National Laboratories, Albuquerque, New Mexico 87185
Tyler E. Stevens
Affiliation:
Sandia National Laboratories, Albuquerque, New Mexico 87185
Dale L. Huber
Affiliation:
Sandia National Laboratories, Albuquerque, New Mexico 87185
*
a)Address all correspondence to this author. e-mail: tmonson@sandia.gov
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Abstract

A new low-cost synthesis of brookite TiO2nanoparticles using isopropanol as both the solvent and ligand is described here. Other ligands can be bound to the titania surface during or postsynthesis to tailor the particles’ functionality. The often extremely rapid hydrolysis of titanium isopropoxide has been successfully controlled so that nanoparticle growth is achieved. The resulting 4-nm particles are nonagglomerated, stable in solution, and have a low polydispersity. The synthesis is scalable and enables the simple fabrication of large amounts of titania nanoparticles that do not scatter visible light and are highly suited for incorporation into optical composites.

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Articles
Copyright
Copyright © Materials Research Society 2012

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