Journal
NANO LETTERS
Volume 5, Issue 7, Pages 1261-1266Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl050355m
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The effects of surface chemistry on the morphology and phase stability of titanium dioxide nanoparticles have been investigated using a thermodynamic model based on surface free energies and surface tensions obtained from first principles calculations. It has been found that surfaces representing acidic and alkaline conditions have a significant influence on both the shape of the nanocrystals and the anatase-torutile transition size. The latter introduces the possibility of inducing phase transitions by changing the surface chemistry.
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