Abstract
Photoluminescence (PL) properties of TiO2:Eu and TiO2:Tb films growth by sol–gel on glass substrates are reported. For TiO2:Eu films the spectral lines are due to the 5D0→7Fj Eu3+ electronic levels and its intensity increases as the content of Eu in the films. For the TiO2:Tb films not clear spectral lines coming from the Tb3+ electronic structure is detected, just broad bands due to the Tb3+ and TiO2 defects levels were observed. The slight signal observed from Tb3+ electronic levels, for the Tb-doped films, is removed as soon as the samples are annealed at 600°C. The results show that the Eu3+ and Tb3+ are incorporated in different crystallographic sites in the TiO2 amorphous matrix.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
