Title :
Luminescence properties of Tb3+/Sm3+ codoped oxyfluoride glasses for white LEDs
Author :
Babu, B. Hari ; Kumar, V. V. Ravi Kanth
Author_Institution :
Dept. of Phys., Pondicherry Univ., Pondicherry, India
Abstract :
Photoluminescence properties of oxyfluoride glasses codoped with Tb3+ and Sm3+ ions have been characterized. The luminescence decay curves exhibits perfectly non-exponential nature for all doping concentration. The chromaticity coordinates and color temperature have been discussed.
Keywords :
alumina; borate glasses; colour; doping profiles; optical glass; photoluminescence; samarium compounds; sodium compounds; strontium compounds; terbium compounds; B2O3-Na2O-Al2O3-SrF2-Tb4O7-Sm2O3; chromaticity coordinates; codoped oxyfluoride glasses; color temperature; doping concentration; luminescence decay curves; photoluminescence properties; white LED;
Conference_Titel :
Fiber Optics and Photonics (PHOTONICS), 2012 International Conference on
Conference_Location :
Chennai
Print_ISBN :
978-1-4673-4718-1
