Abstract
Different concentrations of bis-β-diketonate complex Eu2(BTP)3(Phen)2 (BTP = 1,3-bis(4,4,4-trifluoro-1,3-dioxobutyl)-phenyl and Phen = 1,10-phenanthroline) were doped into the poly(methylmethacrylate) (PMMA), forming a series of red Eu/PMMA luminescent nanofibers, via electrospinning technology. Various characterization techniques were employed to reveal the effect of Eu2(BTP)3(Phen)2 on the morphology, thermal stability, and luminescence of composite nanofibers. FT-IR spectra show the Eu2(BTP)3(Phen)2 complex was successfully doped into PMMA. The luminescent spectra of the composite nanofibers show strong characteristic emission of Eu3+ ions. Simultaneously, in comparison with the precursor complex Eu2(BTP)3(Phen)2, the Eu/PMMA nanofibers has a great improvement in thermal stability. Furthermore, the Judd-Ofelt theory and simulative constructions of the complex are employed to explain the effect of the dispersion of Eu2(BTP)3(Phen)2 and the interactions between the Eu2(BTP)3(Phen)2 complex and neighboring chain segments of PMMA.
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We are grateful for the financial support by the National Natural Science Foundation of China (No. 51303045) and the Education Department of Heilongjiang Province of China (No. 12521413).
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Gu, H., Hou, Y., Xu, F. et al. Electrospinning preparation, thermal, and luminescence properties of Eu2(BTP)3(Phen)2 complex doped in PMMA. Colloid Polym Sci 293, 2201–2208 (2015). https://doi.org/10.1007/s00396-015-3614-8
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DOI: https://doi.org/10.1007/s00396-015-3614-8