Studies on Luminescence Properties of Lanthanide Complexes Based on Pyrazolone

Chem. J. Chinese Universities

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Studies on Luminescence Properties of Lanthanide Complexes Based on Pyrazolone

SHEN Li¹, SHI Mei¹, SHI En-Xian², DU Yu-Kou², LI Fu-You¹, HUANG Chun-Hui¹

1. Lab of Advanced Material, Fudan University, Shanghai 200433;
2. Institute of Chemistry and Chemical Engineering, Suzhou University, Suzhou 215006, China

Received:2006-02-03 Revised:1900-01-01 Online:2006-08-10 Published:2006-08-10
Contact: LI Fu-You

Abstract

Abstract: A series of lanthanide(Tb³⁺, Eu³⁺, Sm³⁺, Dy³⁺, Gd³⁺) complexes with 1,3-diphenyl-4-phenyl-acetyl-5-pyrazolone were synthesized and characterized by elementary analysis, FTIR and UV-Vis spectra. The Eu³⁺ complex was further characterized by X-ray diffraction. The luminance properties of the lanthanide complexes were studied in detail. Importantly, the triplet energy level of the ligand was measured with reference to the phosphorescence spectrum of its gadolinium complex, and the difference between the ligand's triplet energy level and the excited energy level of lanthanide ion results in different photoluminescences of the corresponding complex.

Key words: Lanthanide complex, Photoluminescence, 1,3-Diphenyl-4-phenylacetyl-5-pyrazolone ligand, Electroluminescence

CLC Number:

O614.33

TrendMD:

SHEN Li¹, SHI Mei¹, SHI En-Xian², DU Yu-Kou², LI Fu-You¹, HUANG Chun-Hui¹. Studies on Luminescence Properties of Lanthanide Complexes Based on Pyrazolone[J]. Chem. J. Chinese Universities, doi: .

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Studies on Luminescence Properties of Lanthanide Complexes Based on Pyrazolone

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