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  4. Systematic Comparison of Thermal Annealing and Laser Treatment of TiO2 Thin Films Prepared by Sol-Gel Processing
 
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2019
Journal Article
Title

Systematic Comparison of Thermal Annealing and Laser Treatment of TiO2 Thin Films Prepared by Sol-Gel Processing

Abstract
Thin films with titania composition were prepared on glass substrates by dip-coating from coating solutions based on soluble precursor powders. The as-dried deposits were thermally annealed in a furnace and irradiated by a CO2 laser, respectively. Oven temperature can systematically be correlated to laser power density in terms of film thickness and refractive index. Results indicate that the formation of anatase and rutile critically depends on the different treatment conditions. Some specific microstructural features that originate from the laser irradiation are highlighted.
Author(s)
Wesang, Kristin
Hohnholz, Arndt
Jahn, Rainer  
Fraunhofer-Institut für Silicatforschung ISC  
Steenhusen, Sönke  
Fraunhofer-Institut für Silicatforschung ISC  
Löbmann, Peer  
Fraunhofer-Institut für Silicatforschung ISC  
Journal
Lasers in manufacturing and materials processing  
DOI
10.1007/s40516-019-00101-2
Language
English
Fraunhofer-Institut für Silicatforschung ISC  
Keyword(s)
  • Laser annealing

  • Sol-Gel-Processing

  • Thermal curing

  • Thin films

  • TiO2

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