UP-CONVERSION LUMINESCENCE DECAY CHARACTERISTICS OF ELECTRON TRAPPING MATERIALS CaS:Eu, Sm
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TN204 TB34

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    Abstract:

    According to electron trapping mechanism, the up conversion luminescence decay model of electron trapping materials CaS:Eu, Sm was proposed, and the related rate equations were established. The solution of rate equations is of 3 order exponential decay form. The up conversion luminescence decay curves of the materials at different temperature were measured and analyzed by nonlinear curve fit method, and the expression of nonlinear curve fit is of the same form as the solution.

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HUANG Li Qing ZHAO Jun Wu WANG Yong Chang. UP-CONVERSION LUMINESCENCE DECAY CHARACTERISTICS OF ELECTRON TRAPPING MATERIALS CaS:Eu, Sm[J]. Journal of Infrared and Millimeter Waves,2002,21(3):225~228

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  • Received:
  • Revised:August 28,2001
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