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IJC-A Vol.46A(12) [December 2007] >


Title: Preparation and characterization of the lanthanide complex Eu(TTA)₃phen / vinyl pyrrolidone luminescent nanofiber by electrospinning
Authors: Wei, Liu
Ce, Wang
Issue Date: Dec-2007
Publisher: CSIR
IPC CodeInt. Cl.⁸ B82B; C07F5/00
Abstract: Eu(TTA)₃phen/vinyl pyrrolidone (PVP) composite nanofibers have been prepared by electrospinning technique. The spectral properties of Eu(TTA)₃phen/PVP composite nanofibers have been studied, as compared to that of Eu(TTA)₃phen powders. The excitation of Eu(TTA)₃phen/PVP systems by UV light results in a ligand-to-metal energy transfer and the emission spectra display characteristic luminescence of the central ions (⁵D₀→7F₂ for Eu³⁺). Photoluminescence measurements show that Eu(TTA)₃phen/PVP nanofibers have higher intensity and longer lifetime than that of Eu(TTA)₃phen powders because of the influence of PVP on the coordinative environment of lanthanide ions.
Page(s): 1951-1954
ISSN: 0376-4710
Source:IJC-A Vol.46A(12) [December 2007]

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