Channel waveguides based on a polymer, 6-fluorinated-dianhydride/epoxy, which is actively doped with a rare-earth-ion-doped complex, Nd(thenoyltrifluoroacetone)3 1,10phenanthroline, have been fabricated. Luminescence and loss spectra of the channel waveguides have been experimentally investigated. By optimization of the fabrication procedure of both, host material and optical structure, steady-...

The synergistic effect of 18-crown-6 derivatives, such as 18-crown-6 (18C6), cis-dicyclohexano-18-crown-6 (DC18C6) and dibenzo-18-crown-6 (DB18C6), on the extraction of trivalent lanthanoids (Ln(3+)) into an ionic liquid, 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide, with 2-thenoyltrifluoroacetone (Htta) was investigated. The extractability of lighter Ln(3+) was enhanced by ad...

E rhard U hlem ann*, Alwin Friedrich, G erald Hinsche, W ulfhard Mickler, Uwe Schilde Institut für Anorganische Chemie und Didaktik der Chemie. Universität Potsdam, Postfach 601553, D-14415 Potsdam Z. Naturforsch. 50b, 37-42 (1995); eingegangen am 11. Juli 1994 3-Phenyl-4-benzoyl-5-isoxazolone, Crystal Structure, Thermal Stability, Complex Stability Constants, Dioxane/Water-Mixtures Acid consta...

The fluorescent complex Nd(TTA)3Phen (TTA = thenoyltrifluoroacetone, Phen = 1, 10-phenanthroline), was doped into the host material 6-FDA epoxy (6-fluorinated-dianhydride cured epoxy). The room-temperature absorption spectrum of Nd transitions was experimentally obtained, with which the Judd-Ofelt model was applied to determine the Judd-Ofelt parameters. These parameters are used to calculate t...