2009
DOI: 10.1016/j.jallcom.2009.02.050
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Preparation and optical properties of Eu3+/Eu2+ in phosphors based on exchanging Eu3+-zeolite 13X

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Cited by 16 publications
(12 citation statements)
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“…All the time, Eu-doped GdPO 4 gets a high profile because of satisfactory energy transfer between Gd 3+ and Eu ions in GdPO 4 :Eu nanomaterials in the field of fluorescence . Here, GdPO 4 and Eu-doped GdPO 4 (GdPO 4 :Eu) with good biocompatibility and adsorption were synthesized by the template method and their ECL intensity was compared by using the experiment, which proved that the doping of Eu is conducive to enhance the ECL efficiency . Zeng’s group utilized hemin as the coreaction promoter designed in an ECL aptasensor to catalyze S 2 O 8 2– for accelerating the oxidation process of PTCA .…”
mentioning
confidence: 99%
“…All the time, Eu-doped GdPO 4 gets a high profile because of satisfactory energy transfer between Gd 3+ and Eu ions in GdPO 4 :Eu nanomaterials in the field of fluorescence . Here, GdPO 4 and Eu-doped GdPO 4 (GdPO 4 :Eu) with good biocompatibility and adsorption were synthesized by the template method and their ECL intensity was compared by using the experiment, which proved that the doping of Eu is conducive to enhance the ECL efficiency . Zeng’s group utilized hemin as the coreaction promoter designed in an ECL aptasensor to catalyze S 2 O 8 2– for accelerating the oxidation process of PTCA .…”
mentioning
confidence: 99%
“…26 In addition, the reduction of Eu 3+ to Eu 2+ during the calcination process has been previously observed in zeolite 13X. 27 In order to find out if there were Eu 3+ ions in the channel during the annealing process at 700 • C, 2-thenoyltrifluoroacetone (tta) molecules were encapsulated in the Eu 3+ -exchanged zeolite L microcrystals previously annealed at 700 • C for 3 h. Irradiation of the obtained sample with a 254 nm UV lamp lead to a red emission color; the excitation and emission spectra are shown in Fig. 7.…”
Section: Resultsmentioning
confidence: 71%
“…In the PL excitation spectra, the main broad band was assigned to the charge transfer band (CTB) of Eu 3 þ -O 2 À centered at about 200-300 nm [10]. The emission spectra excited upon 254 nm revealed orange-red emission peaks derived from the 5 D 0 -7 F j (j ¼0, 1, 2, 3, 4) transition of Eu 3 þ approximately at 590, 595, 612, 655 and 705 nm, respectively, and the blue emission broad band derived from 4f 6 5d-4f 7 transition of Eu 2 þ around 400-500 nm [11]. The dominant emission peak detected for the samples in this study was 5 D 0 -7 F 2 transition (electric dipole moment transition) at 612 nm.…”
Section: Resultsmentioning
confidence: 94%