Fluorescence Properties of Microcomposites Europium Triethylene Glycol Picrate Complex Doped in Polymer
Corresponding email: ekusrini@che.ui.ac.id
Published at : 27 Jan 2014
Volume : IJtech
Vol 5, No 1 (2014)
DOI : https://doi.org/10.14716/ijtech.v5i1.155
Kusrini, E., Tristantini, D., Slamet, Setianingrum, V.M., Yulizar, Y., 2014. Fluorescence Properties of Microcomposites Europium Triethylene Glycol Picrate Complex Doped in Polymer. International Journal of Technology. Volume 5(1), pp. 70-78
| Eny Kusrini | Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia |
| Dewi Tristantini | Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia |
| Slamet | Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia |
| Virleenda M. Setianingrum | Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia |
| Yoki Yulizar | Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia |
The aim of this study was to synthesize high luminescence materials containing the optimal combination of ternary europiumpicrate complex and matrices. The ternary europium-picrate-triethylene glycol (Eu-EO3-Pic) complex was doped in poly(methyl methacrylate), PMMA. The composites were impregnated in several matrices to form thin filmsvia spin coating technique. The microparticles of Eu-EO3-Piccomplex were prepared by reprecipitation-evaporation, then they were compared to analogous complex or microcomposite prepared by in-situ method. The Eu-EO3-Pic/PMMA microcomposites were characterized by fluorescence spectroscopy in acetone solution. The particle sizes distribution of microcomposites synthesized by reprecipitation-evaporation method (110.3 to 426.8 nm) were smaller compared to the microcomposites by in-situ method (641.7 nm). The PMMA was able to significantly enhance the fluorescence intensity of Eu-EO3-Pic microparticles. The fluorescence intensity of microcomposite by in situ-preparation was lower than that found in the microcomposites by reprecipitation-evaporation method. We also investigated the effect of different matrices on the photophysical properties. The effective intermolecular energy transfer from PMMA to the Eu-EO3-Pic complex would produce high sensitization efficiency. These microcomposites are very potential used as the emission material for organic light emitting devices.
Europium, Fluorescence, Microcomposite, PMMA, Precipitation-evaporation
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