TAO Dong-liang, ZHANG Hong, CUI Yu-min, WANG Yong-zhong, CHEN Ji-tang, ZHANG Kun, SUN Wen-zhong. Effect of Different Types of Organic Alkali on Fluorescence Properties of Terbium Complexes Using Acetyl Salicylic Acid as Ligand[J]. Chinese Journal of Luminescence, 2013,34(10): 1295-1299
TAO Dong-liang, ZHANG Hong, CUI Yu-min, WANG Yong-zhong, CHEN Ji-tang, ZHANG Kun, SUN Wen-zhong. Effect of Different Types of Organic Alkali on Fluorescence Properties of Terbium Complexes Using Acetyl Salicylic Acid as Ligand[J]. Chinese Journal of Luminescence, 2013,34(10): 1295-1299 DOI: 10.3788/fgxb20133410.1295.
Three kinds of terbium complexes solution were prepared in anhydrous ethanol solution using triethylamine (TEL)
tripropylamine (TPL) and tributylamine (TBL)
respectively. By characterization of UV spectra
fluorescence spectra
absolute quantum yield and fluorescence lifetime
the three types of terbium complexes have different fluorescent properties. Under the condition of same concentration
the fluorescent intensity of the three kinds of terbium complexes increases with the carbon chain length of orgainc amine increaseing. The absolute quantum yields of Tb(aspirin)
3
TEL
Tb(aspirin)
3
TPL and Tb(aspirin)
3
TBL using the three types of organic bases are 11.41%
12.85% and 18.63%
respectively. The fluorescence lifetimes in anhydrous ethanol solution are 6.316 95610
-4
7.018 97410
-4
and 7.346 80710
-4
s
respectively. The results show that organic base involved in the molecular composition of terbium complexes.
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references
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