Acta Phys. -Chim. Sin. ›› 2001, Vol. 17 ›› Issue (09): 797-801.doi: 10.3866/PKU.WHXB20010907

• ARTICLE • Previous Articles     Next Articles

Photoluminescence of Solid Complexes EuxM1-x(TTA)3 (H2O)2 (M=La,Gd)

Liu Ming-Zhao;Yang Zhan-Lan;Zhang Li;Weng Shi-Fu;Wu Jin-Guang   

  1. State Key Laboratory of Rare Earth Material Chemistry and Applications,Chemistry College,Peking University,Beijing 100871
  • Received:2001-02-12 Revised:2001-04-20 Published:2001-09-15
  • Contact: Wu Jin-Guang

Abstract: A series of solid complexes EuxM1-x(TTA)3(H2O)2 (M=La,Gd) were synthesized.Their compositions were ensured by the ICP analysis.The FTIR spectroscopy showed that no new compound formed besides Eu (TTA)3(H2O)2 and M(TTA)3(H2O)2(M=La,Gd)(to see Table 3).The luminescence property of them was investigated by using luminescence spectroscopy.The results indicated that the luminescence intensity of the complexes did not have a linear relation with the concentration of Eu3+.Addition of M3+ (La3+ or Gd3+) enhanced the luminescence of Eu3+.Furthermore,the enhancement by Gd3+ is more remarkable than by La3+.The possible intermolecular energy transfer mechanism was discussed,which explained the phenomena very well.

Key words: Photoluminescence, Complexes, Infrared spectra, Luminescence spectra,  Energy transfer