XIAO Lin-jiu, LIU Jiao-na, XIE Ying, WANG Gang, CHEN Yong-jie, LI Wen-ze, GENG Xiu-juan. Preparation and Luminescence Properties of YAl<sub>3</sub>(BO<sub>3</sub>)<sub>4</sub>∶Dy<sup>3+</sup> Phosphors[J]. Chinese Journal of Luminescence, 2013,34(2): 178-183
XIAO Lin-jiu, LIU Jiao-na, XIE Ying, WANG Gang, CHEN Yong-jie, LI Wen-ze, GENG Xiu-juan. Preparation and Luminescence Properties of YAl<sub>3</sub>(BO<sub>3</sub>)<sub>4</sub>∶Dy<sup>3+</sup> Phosphors[J]. Chinese Journal of Luminescence, 2013,34(2): 178-183 DOI: 10.3788/fgxb20133402.0178.
Preparation and Luminescence Properties of YAl3(BO3)4∶Dy3+ Phosphors
phosphors were prepared by sol-gel method. Their structure and luminescence properties were characterized by X-ray diffraction (XRD) analysis and fluorescence spectrometry (FL). The preparation conditions of the precursor synthesis
including the Dy
3+
concentration and crystallization temperature were investigated. The results showed that the luminescence intensity of YAl
3
(BO
3
)
4
∶Dy
3+
is the biggest at the calcination temperature of 1 100 ℃.The optimum doping mole fraction of Dy
3+
ions was
x
=0.05. The main emission peak was about 575 nm excited at 774 nm. The YAl
3
(BO
3
)
4
∶Dy
3+
phosphors can convert spectra band from 700 to 900 nm and from 290 to 490 nm into visible light around 575 nm which is absorbed strongly by the dye sensitized solar cells.
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references
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