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Luminescence properties of Eu/Tb activated Y2O3 phosphor for solid state lighting
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Chongqing University of Technology,Chongqing University of Technology,Chongqing University

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    Abstract:

    Rare-earth doped phosphors with tunable optical properties have potential applications in solid state lighting such as display panels and fluorescent lamps. Herein, trivalent Eu3 , Tb3 activated Y2O3 phosphors have been successfully synthesized by solid state process. The structural studies have been performed by the measurements of X-ray diffraction profiles. The pure phase of Y2O3 is obtained and RE ions is not shown any effect on the structural properties. Single RE ions activated Y2O3 phosphors exhibit their characteristic emission. As Tb3 doped in Y2O3, a bright green emission is obtained and while Eu3 is introduced into the material Y2O3: Tb3 , the emission color can be adjusted to white light. The calculated CIE chromaticity coordinates of RE ions activated Y2O3 phosphors confirmed the green and white emissions.

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[Jin Ye, Zhou Hongpeng, Zhang Dingfei. Luminescence properties of Eu/Tb activated Y2O3 phosphor for solid state lighting[J]. Rare Metal Materials and Engineering,2016,45(11):2790~2792.]
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History
  • Received:July 23,2014
  • Revised:August 08,2014
  • Adopted:September 28,2014
  • Online: December 08,2016
  • Published: