Structure of nanotubular titanium oxide templates prepared by electrochemical anodization in H2SO4/HF solutions

M. Bestetti, S. Franz, M. Cuzzolin, P. Arosio, P. L. Cavallotti

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

The electrochemical formation of nanotubular titanium oxide films was investigated in 1 M H2SO4 and 0.05-0.4 wt.% HF electrolytes. Depending on anodization condition, i.e. cell voltage, anodization time, HF concentration, TiO2 porous films having different thickness (from 350 to 500 nm) and pore diameter (from 40 to 150 nm) were obtained. By varying the cell voltage from 10 V to 40 V it was possible to gradually change the crystal structure of titanium oxide from anatase to rutile. The effect of annealing temperature and duration on crystal structure was also considered.

Original languageEnglish
Pages (from-to)5253-5258
Number of pages6
JournalThin Solid Films
Volume515
Issue number13
DOIs
Publication statusPublished - 7 May 2007
Externally publishedYes

    Fingerprint

Keywords

  • Anatase
  • Nanostructures
  • Rutile
  • Templates
  • Titanium oxide

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this