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Time-resolved luminescence of terbium complexes with poly(2- and 4-vinylpyridine N-oxide)s in aqueous solution

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    0101317 - UMCH-V 20043037 RIV DE eng J - Journal Article
    Výprachtický, Drahomír - Cimrová, Věra - Okamoto, Y. - Kotva, Rudolf
    Time-resolved luminescence of terbium complexes with poly(2- and 4-vinylpyridine N-oxide)s in aqueous solution.
    [Časově rozlišená luminescence komplexů terbia s poly(2- a 4-vinylpyridiny N-oxidy) ve vodných roztocích.]
    Macromolecular Symposia. Roč. 212, č. 1 (2004), s. 239-244. ISSN 1022-1360.
    [Electrical and Related Properties of Polymers and Other Organic Solids /9./. Prague, 14.07.2002-18.07.2002]
    R&D Projects: GA ČR GA203/01/0512
    Institutional research plan: CEZ:AV0Z4050913
    Keywords : lanthanide complexes * poly(vinylpyridine N-oxide) * terbium metal
    Subject RIV: CD - Macromolecular Chemistry
    Impact factor: 0.691, year: 2004

    Terbium complexes with polymer ligands of poly(2- and 4-vinylpyridine N-oxide)s (P2VPNO, P4VPNO) in aqueous solution were prepared and characterized. Multi-exponential decays of terbium transition at 545 nm of [P2VPNO-Tb(III)] and [P4VPNO-Tb(III)] were measured. The non-linearity of semilogarithmic plots of time-resolved luminescence was more pronounced with P4VPNO than with P2VPNO, being reduced by addition of salts as sodium formate or acetate.

    Komplexy terbia s polymerními ligandy poly(2- a 4-vinylpyridin N-oxidu) byly připraveny a charakterizovány ve vodném roztoku. Byly změřeny multiexponenciální rozpady terbia při 545 nm v [P2VPNO-Tb(III)] a [P4VPNO-Tb(III)] komplexech. Nelinearita semilogaritmických výnosů časově rozlišené luminiscence je větší u P4VPNO než u P2VPNO a je redukována přídavkem solí jako mravenčanem nebo octanem sodným.
    Permanent Link: http://hdl.handle.net/11104/0008750
     
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