Abstract
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 language | English (US) |
|---|---|
| Pages (from-to) | 4111-4116 |
| Number of pages | 6 |
| Journal | Surface and Coatings Technology |
| Volume | 200 |
| Issue number | 12-13 |
| DOIs | |
| State | Published - Mar 31 2006 |
| Externally published | Yes |
Keywords
- 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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