The Laser Induced Fluorescence Spectra of Eu(m) and Tb(m) Complexes with Mixed beta-diketone and Organic Ligands
- 尚海蓉
- 赵新生
- 唐有祺
- 刘德文
- 宝春云
DOIAbstract
利用激光诱导荧光技术研究了两种三价稀土金属离子（EU3＋，Tb3＋）的μ－二酮与有机配体混配络合物中金属离子的寿命及其能级结构，得到了Eu3＋的能级常数．The emission spectra and their lifetime of the complexes of Eu(III) and Tb(III) with mixed beta-diketone and organic ligands were studied by laser induced fluorescence technique. The energy levels of the centered metal ions were less affected by different ligands (less than 100cm(-1)), but the lifetimes and the emission intensities of the ions depends on the efficiency of the energy transfer between the ligand anid the ions. The energy levels split in strong ligand fields. The emission spectra of Eu(III) complexes gave a set of energy constants of the F-7 and D-5 states of Eu(III) as following: for F-7 A=305cm(-1), B-0=3660cm(-1); for D-5: A=1744cm(-1), B=27699cm(-...
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