✦ LIBER ✦

Smooth anodic TiO2nanotubes: annealing and structure

✍ Scribed by Macak, Jan M. ;Aldabergerova, Saule ;Ghicov, Andrei ;Schmuki, Patrik

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 168 KB
Volume: 203
Category: Article
ISSN: 0031-8965
DOI: 10.1002/pssa.200622214

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✦ Synopsis

Abstract

The influence of an annealing process on the structure and the composition of smooth high aspect ratio TiO~2~ nanotube layers, grown by anodization of Ti in viscous glycerol electrolytes containing fluorides, is reported. XRD and HRTEM measurements demonstrate that the as‐formed high aspect ratio TiO~2~ nanotubes have an amorphous structure that can be entirely transformed to single phase – anatase – upon thermal annealing at 450 °C for 3 hours. XPS and EDX analyses furthermore show that annealing process is accompanied with an elimination of fluoride ions (present in the structure after formation). (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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