Multi-color fluorescence in rare earth acetylacetonate hydrate doped poly methyl methacrylate
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Author(s)
Related Research Unit(s)
Detail(s)
Original language | English |
---|---|
Pages (from-to) | 111-116 |
Journal / Publication | Optics Communications |
Volume | 311 |
Publication status | Published - 2013 |
Link(s)
Abstract
Europium and terbium acetylacetonate hydrates were doped into poly methyl methacrylate (PMMA). Efficient purplish-red and green fluorescence was obtained from europium acetylacetonate hydrates (EAH) and terbium acetylacetonate hydrates (TAH) doped PMMA respectively. Judd-Ofelt parameters Ω2 (19.73×10-20 cm2) and Ω4 (2.19×10-20 cm2) indicate a high inversion asymmetric and strong covalent environment in PMMA. The maximum stimulated emission cross-sections for the 5D0→ 7FJ (J=1, 2 and 4) transitions in EAH doped PMMA were calculated to be 0.38×10-21, 4.90×10-21 and 0.36×10-21 cm2, respectively. Variable fluorescence color can be efficiently achieved from the cooperation of three fluorescence colors offered by red (Eu3+), green (Tb3+) and blue (ligand) in EAH/TAH codoped PMMA by adjusting the excitation wavelength. These results indicate that PMMA is an effective photoluminescence co-sensitizer and PMMA doped with rare earth acetylacetonate hydrates is a promising candidate for a series of optoelectronic functional devices. © 2013 Elsevier B.V.
Research Area(s)
- Photoluminescence, Poly methyl methacrylate (PMMA), Rare earth acetylacetonate hydrate, Variable fluorescence color
Citation Format(s)
Multi-color fluorescence in rare earth acetylacetonate hydrate doped poly methyl methacrylate. / Zhang, Y. Y.; Shen, L. F.; Pun, E. Y B et al.
In: Optics Communications, Vol. 311, 2013, p. 111-116.
In: Optics Communications, Vol. 311, 2013, p. 111-116.
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review