Optical band gap studies on Cu-doped Zinc-Borate glassy thin films

KILIÇ G., Pat S., Balbag M. Z., Temel S., Korkmaz S., Ekem N.

OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS, vol.4, no.11, pp.1705-1708, 2010 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 4 Issue: 11
  • Publication Date: 2010
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.1705-1708
  • Keywords: Vanadium, Borate, Glass, Thin film, Semiconductors, ELECTRICAL-PROPERTIES, VANADATE GLASSES, IONS, V2O5
  • Eskisehir Osmangazi University Affiliated: Yes


In this study, optical properties of Cu-doped Zinc-Borate glassy thin films (GTFZs) were investigated. The glassy thin films of bulk glasses were grown onto SiO(2) substrates with argon gas plasma under vacuum with RF sputtering technique. As a result of XRD analysis of obtained glassy thin films, they are observed to have amorphous structure. From absorbance and transmission data obtained from Uv-Vis spectra of thin films, optical band gaps for direct and indirect transitions and also Urbach energies were calculated. Not only the fundamental absorption edge and cut-off wavelength shift towards red with the increase in V(2)O(5) content, but also ZnO narrows the optical band gaps.