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Electrolyte influence on the anodic synthesis of TiO2 nanotube arrays

Autor(es) y otros:
Vega Martínez, VíctorAutoridad Uniovi; Cerdeira García, María ÁngelesAutoridad Uniovi; Prida Pidal, Víctor Manuel de laAutoridad Uniovi; Alberts, Deborah Viviane M.Autoridad Uniovi; Bordel García, NereaAutoridad Uniovi; Pereiro García, María RosarioAutoridad Uniovi; Mera Fernández, Fernando; García Martín, Susana; Hernández Vélez, Manuel; Vázquez Villalabeitia, Manuel
Palabra(s) clave:

Iii–V Semiconductors; Electrochemical Properties; Oxidation Reduction; Scanning Electron Microscopy; Tem/Stem; Nano-Composites

Fecha de publicación:
2008
Versión del editor:
http://dx.doi.org/10.1016/j.jnoncrysol.2008.05.073
Citación:
Journal of Non-Crystalline Solids, 354(47-51), p. 5233-5235 (2008); doi:10.1016/j.jnoncrysol.2008.05.073
Descripción física:
p. 5233-5235
Resumen:

We report on the structural and morphological features of self-aligned titanium oxide nanotube arrays grown by electrochemical anodization in different electrolytes comprising aqueous acidic media or organic neutral media, and at several potentiostatic voltages ranging between 12 and 60 V. The results show an improvement in the self-alignment of the nanotube arrays and an increase of about 10,000% in the nanotubes length obtained by anodization performed with NH4F in ethylene glycol electrolyte, respect to the case obtained employing the aqueous electrolytes.

We report on the structural and morphological features of self-aligned titanium oxide nanotube arrays grown by electrochemical anodization in different electrolytes comprising aqueous acidic media or organic neutral media, and at several potentiostatic voltages ranging between 12 and 60 V. The results show an improvement in the self-alignment of the nanotube arrays and an increase of about 10,000% in the nanotubes length obtained by anodization performed with NH4F in ethylene glycol electrolyte, respect to the case obtained employing the aqueous electrolytes.

URI:
http://hdl.handle.net/10651/6286
ISSN:
0022-3093
Identificador local:

2687

DOI:
10.1016/j.jnoncrysol.2008.05.073
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