Eu~(2+)-Doped Glass Ceramics Containing BaF_2 Nanocrystals as a Potential Blue Phosphor for UV-LED

摘要

The Eu~(2+)-doped glass ceramics containing BaF_2 nanocrystals were prepared and their luminescence properties were investigated. The excitation spectra of Eu~(2+) -doped glass ceramics showed an excellent overlap with the main emission region of an ultraviolet light-emitting diode (UV-LED) centered at 380 nm. The 450 nm emission of Eu~(2+) in glass ceramics under the 385 nm excitation was much stronger than that in glass. The Eu~(2+)-doped glass ceramics containing BaF_2 nanocrystals may be used as a potential blue-emitting phosphor for UV-LED.