Growth and structure of TiO2 thin films deposited inside borosilicate tubes by spray pyrolysis

Mario Miki-Yoshida, W. Antúnez-Flores, K. Gomez-Fierro, L. Villa-Pando, R. Silveyra-Morales, P. Sánchez-Santiago, R. Martínez-Sánchez, M. José-Yacamán

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Titanium dioxide thin films were deposited inside borosilicate glass tubes by a simple, reproducible spray pyrolysis technique. The tubes had 22 mm of internal diameter and 120 cm of length. Films were transparent, uniform on almost 80% of the tube length, non-light scattering, and well adhered to the substrate. Transmission electron microscopy analysis shows that titanium oxide films are polycrystalline, and their structure corresponds to a mixed phase of anatase and rutile. The microstructure of the films was built by irregular closed-packed grains of around 100-500 nm wide. Cross sections of the films were analyzed by scanning electron microscopy and Z-contrast techniques. This analysis showed that the grains were composed by very small crystallites of about 3-5 nm.

Original languageEnglish (US)
Pages (from-to)4111-4116
Number of pages6
JournalSurface and Coatings Technology
Issue number12-13
StatePublished - Mar 31 2006
Externally publishedYes


  • Borosilicate tube coating
  • Electron energy loss spectroscopy
  • Scanning electron microscopy (SEM)
  • Titanium oxide
  • Transmission electron microscopy (TEM)
  • Transmission high energy electron defraction

ASJC Scopus subject areas

  • General Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry


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