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Citation: Zhang Chang-Shuan, Jiang Hong, Li Jie, Li Tie-Jin. The Study to the Energy Migration between Anthraquinone and Rare-earth Ion[J]. Acta Physico-Chimica Sinica, ;1997, 13(04): 370-375. doi: 10.3866/PKU.WHXB19970417 shu

The Study to the Energy Migration between Anthraquinone and Rare-earth Ion

1.
Department of Chemistry,Zhengzhou University,Zhengzhou 450052

Received Date: 26 August 1996
Available Online: 15 April 1997

The studing results on the characteristics of the energy migration of excited state by fluorescent probe method are reported. The energy migration is of ligation between Eu3+,Tb3+and AQ in acetone solution.
It is found that the excited state ligation is formed between AQ and Eu3+, Tb3+ in acetone solution. There is obvious energy migration phenomenon between ligand AQ and centre ions Eu3+, Tb3+. AQ migrates the absorbed photoenergy to Eu3+, Tb3+ and made Eu 3+, Tb3+ emit character fluorescence, and the fluorescence intensity is increasing greatly. In addition, through studing the effect of different solvents to AQ:Eu3+ system, it is found that if the solvent polarity is different, the effect to energy migration is different. The solvent with weak polarity is benifical to electric dipole transition migration of Eu3+, and the solvent with strong ploarity is favorable magnetic dipole transition migration.
- Fluorescent probe,
- Energy migration,
- Fluorescent spectrum,
- Excitation spectrum,
- Excitation ligation
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