Acta Phys. -Chim. Sin. ›› 2002, Vol. 18 ›› Issue (05): 468-472.doi: 10.3866/PKU.WHXB20020518

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Photoluminescence of [(n-C4H9)4N][EuxM1-x(TTA)4]

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,College of Chemistry and Molecular Engineering, Peking University, Beijing 100871
  • Received:2001-09-21 Revised:2001-12-24 Published:2002-05-15
  • Contact: Yang Zhan-Lan; E-mail:yzl@chem.pku.edu.cn

Abstract: A series of [(nC4H9)4N][EuxM1-x (TTA)4](M=La, Sm,Gd, Tb) dopedcomplexes were synthesized. The results of FTIR and XRD spectroscopies indicated that the structures of the doped complexes are as same as that of pure complexes [(nC4H9)4N][Ln(TTA)4](Ln=Eu, La, Sm, Gd, Tb). It is found that the luminescent intensity of the dopedcomplexes did not have a linear relation with amount of Eu3+. Addition of La3+, Gd3+ and Tb3+ increased the luminescence of Eu3+ in varying degrees, and addition of Sm3+ decreased the luminescence of Eu3+. The possible intermolecular energy transfer mechanism by triplet states of ligands was discussed.

Key words: Photoluminescence, Rare earth complexes, Luminescence spectroscopy, Energy transfer mechanism