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Eu 2+ ‐Doped Glass Ceramics Containing BaF 2 Nanocrystals as a Potential Blue Phosphor for UV‐LED

2009; Wiley; Volume: 92; Issue: 4 Linguagem: Inglês

10.1111/j.1551-2916.2009.02967.x

1551-2916

Qun Luo, Xianping Fan, Xvsheng Qiao, Hui Yang, Minquan Wang, Xianghua Zhang,

Radiation Detection and Scintillator Technologies

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.