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Lanthanide ions visible emission

Multicolored luminescence is the most attractive property of rare earth-based compounds. Lanthanide ions possess many sharp emission lines that cover the visible and near infrared (NIR) region due fo fhe abundanf fransifions of f-orbital configurations. However, the forbidden f-f fransi-fions induce narrow excitation lines for mosf rare earfh ions. This low absorbency cross-section is the bottleneck in practical application, so host-sensitized emission mode is commonly employed by rare earth phosphors. The vanadate matrix is one of fhe candidafes, which excifes lanthanide ions via charge-transfer energy migration. [Pg.367]

Wolbers, M.RO., van Veggel, F.C.J.M., SnelUnk-Ruel, B.H.M., et al. (1998) Photophysical studies of m-terphenyl-sensitized visible and near-infrared emission from organic 1 1 lanthanide ion complexes in methanol solutions. Journal of the Chemical Society, Perkin Transactions, 2, 2141. [Pg.521]

VicinelU, V, Ceroni, R, Maestri, M., etal. (2002) Luminescent lanthanide ions hosted in a fluorescent polylysin dendrimer. Antenna-Uke sensitization of visible and near-infrared emission. Journal of the American Chemical Society, 124, 6461. [Pg.521]

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