Journal
MATERIALS LETTERS
Volume 62, Issue 6-7, Pages 1107-1109Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2007.07.072
Keywords
composite materials; luminescence; thin films; electroluminescence
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Some kinds of rare earth complexes were synthesized using the ligands of thenoyltrifluoroacetone (HTTA), 2, 2/-dipyridy](Dipy) and different metal ions (Eu3+ and Gd3+). Their contents, structures and optoelectronic property were monitored by elemental analysis, DTA-TGA, IR and fluorescence spectroscopy. This result showed luminescence of Eu3+ Complex was enhanced after doped with Gd3+, the thermal stability of rare earth complexes was also reported. In addition, the organic-inorganic combined device ITO/PVK: Gd1-xEux(TTA)(3)Dipy: TiO2/Al was fabricated, the nano-TiO2 has been used in the luminescence layer to change the electroluminescence property of Gd1-xEux(TTA)(3)Dipy. We have monitored the spectra of Gd1-xEux(TTA)(3)Dipy with different ratios for spin-cast film r min(-1). It was found that there was an efficient energy transfer process between the ligands and metal ions. (c) 2007 Elsevier B.V. All rights reserved.
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