| Sensitized Luminescence of Rare Earths |
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| 作者姓名： | SI Zhi-kun HU Jing-tian JIANG Wei and ZHU Gui-yun |
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| 作者单位： | SI Zhi-kun; HU Jing-tian; JIANG Wei and ZHU Gui-yun(Department of Chemistry，Shandong University，Jinan，250100)LI Shu-hua(Department of Basic Courses，Shandong Institute of Light Industry，jinan，250100) |
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| 摘 要： | IntroductionAsearlyas1967,inthestudyofthefluorescentcharacteristicsoftheion..associationcomplexEu' -TTA-pyridine,Melentavaetal.1Jpointedoutthatthef1uorescenceintensityofthesystemwasgreatlyincreasedbytheadditionofGds orTbf' ,andmoreoveronlyinthesuspensiontheenhancementofthefIuo-rescencewasobserved.However,thisphenomenonwasregardedasinterferenceinthepresenceofotherrareearthionsandwaseliminatedbyanextractionpro-cedure.Thisphenomenonwassystemacticallyinvestigatedandcalledcolumines-cence2j,co…
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Sensitized Luminescence of Rare Earths |
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| SI Zhi-kun, HU Jing-tian, JIANG Wei and ZHU Gui-yun.Sensitized Luminescence of Rare Earths[J].Chemical Research in Chinese University,1996(1). |
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| Authors: | SI Zhi-kun HU Jing-tian JIANG Wei and ZHU Gui-yun |
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| 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. |
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| Keywords: | Sensitized luminescence Rare earths Fluorescence |
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