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Type: Artigo de periódico
Title: Highlighting The Mechanisms Of The Titanate Nanotubes To Titanate Nanoribbons Transformation
Author: Viana B.C.
Ferreira O.P.
Souza Filho A.G.
Hidalgo A.A.
Mendes Filho J.
Alves O.L.
Abstract: Titanate nanorods, nanoribbons, and nanofibers synthesized by hydrothermal treatment are being investigated by several groups. Similar to titanate nanotubes, with average diameter of 9 nm, there is a strong controversy regarding the composition and microscopic formation mechanism of these non-hollow nanostructures (nanoribbons). In this article, we report the synthesis and characterization of the titanate nanostructures by exploiting some aspects that were not exploited so far. By using X-ray diffraction, FT-infrared and Raman spectroscopies and electron microscopy, we have studied the intermediate structure and morphology between nanotubes and the non-hollow nanostructures. Our findings give further evidence that the transformation of nanotubes into non-hollow nanostructures is induced by a sequence of both oriented attachment and Ostwald rippening cooperative mechanisms. © 2011 Springer Science+Business Media B.V.
Citation: Journal Of Nanoparticle Research. , v. 13, n. 8, p. 3259 - 3265, 2011.
Rights: fechado
Identifier DOI: 10.1007/s11051-011-0240-3
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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