Sensitized Luminescence of Rare Earths

Abstract

Abstract: The enhancement effect on the fluorescence intensities of an Eu³⁺(or/and Sm³⁺)-thenoyltrifluoroacetone (TTA)-dibenzo-18-crown-6 (18-C-6) system and Eu ³⁺(or /and Sm³⁺) -benzoyltrifluoroacetone (BTA)-cetyltrimethylammonium bromide (CTMAB) system by dysprosium has been studied. In the presence of enhancing ions, the fluorescence intensities of the above systems were enhanced by a factor of about 40-150, respectively. The above systems were used for the determination of europlum or/and samarium in rare earths oxides and gave satisfactory results.

Key words: Sensitized luminescence, Rare earths, Fluorescence

SI Zhi-kun, HU Jing-tian, JIANG Wei, ZHU Gui-yun, LI Shu-hua. Sensitized Luminescence of Rare Earths[J]. Chemical Research in Chinese Universities, 1996, 12(1): 10-15.

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Sensitized Luminescence of Rare Earths

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