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Luminescence Properties of Ce3+ and Tb3+ Doped Strontium Pyroborate Phosphors

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Abstract:

Ce3+ and Tb3+ co-doped Strontium Pyroborate phosphors were synthesized by the solid-state method. The luminescent properties of phosphors were investigated by using the photoluminescence emission and excitation spectra. Under the excitation of near ultraviolet (n-UV) light, Ce3+ and Tb3+ co-doped Strontium Pyroborate phosphors exhibited blue emission corresponding to the f-d transition of Ce3+ ions and green emission bands corresponding to the f-f transition of Tb3+ ions, respectively. In the Ce3+ and Tb3+ co-activated samples the Ce3+ ions strongly sensitize the luminescence of the Tb ions. The Ce3+ and Tb3+ co-doped Strontium Pyroborate phosphor could be considered as one of double emission phosphor for n-UV excited white light emitting diodes.

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Periodical:

Advanced Materials Research (Volume 502)

Pages:

140-143

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.502.140

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Online since:

April 2012

Authors:

Jia Yue Sun, Jin Li Lai, Yi Ning Sun, Zhi Guo Xia, Hai Yan Du

Keywords:

Luminescence, Phosphor, White LEDs

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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