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VUV Spectral Properties of MBPO7 Co-Doped with Tm3+ ,Gd3+

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Abstract:

A series of phosphor of MBPO7:Tm3+, and MBPO7:Tm3+, Gd3+ (M= Mg, Sr, Ca) were prepared and studied. The XRD data showed Tm3+, Gd3+ didn’t affects the lattice parameters. Excitation spectra exhibited high absorption in vacuum ultraviolet (VUV) region. There existed strong emission peaking at 453nm and 363nm correspond to the 1D2 →3HJ (J=4, 6) emission transition of Tm 3+ when excited under VUV. With the changes of cation in the samples, the excitation spectra changed greatly, and lead a great change in its emission spectra. The crystal lattice parameters affect the ratio of intensity of the peak at 454nm and 312nm.

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Periodical:

Key Engineering Materials (Volumes 368-372)

Pages:

366-368

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.368-372.366

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Online since:

February 2008

Authors:

Xin Li, Da Wei He, Peng Zhi Lu, Yong Sheng Wang

Keywords:

Blue Emission, Phosphor, Vacuum Ultraviolet

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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