Chemical Research in Chinese Universities ›› 1999, Vol. 15 ›› Issue (3): 226-231.

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The Luminescence Properties of M'type of YTaO4∶Eu

LI Bo1, GU Zhen-nan2, DONG Yi2, LIN Jian-hua2   

  1. 1. Chemistry Department, Peking University, Bejing 100871, P. R. China;
    2. State key Laboratory of Rare Earth Materials Chemistry and Applications, Peking University, Bejing 100871, P. R. China
  • Received:1998-12-26 Online:1999-08-24 Published:2011-08-17
  • Supported by:

    Supported by the National Natural Science Foundation of China.

Abstract: A series of Eu3+ doped of M'type of yttrium orthotantalate Y1-x Eux TaO4( x =0—0.30) was sythesized. The influence of activator concentration on luminescence properties was studied in detail. The strong evidence from excitation spectra, emission spectra and diffusive reflection spectra of this system shows that there is energy transfer from TaO43- to Eu3+ via the charge transfer and spectral overlap.

Key words: Tantalate, Rare earth, Luminescence