Photoactive Eu(III) and Tb(III) complexes of calix[4]arenes with pyridine-N-oxide pendant groups |
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| Authors: | Sebastiano Pappalardo Francesco Bottino Luigi Giunta Marek Pietraszkiewicz Jerzy Karpiuk |
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| Affiliation: | (1) Dipartimento di Scienze Chimiche, Università di Catania, Viale A. Doria 8, 95125 Catania, Italy;(2) Institute of Physical Chemistry, Polish Academy of Sciences, 00124 Warsaw, Kasprzaka 44/52, Poland |
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| Abstract: | ![]()
Two calix[4]arenes with four 2-pyridyhnethyl-l-oxide pendant groups at the lower rim have been synthesized, and their Tb(III) and Eu(III) complexes are fluorescent upon UV light excitation at 312 nm. The complexes are not stable in aqueous solution, completely losing their luminescent properties. |
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| Keywords: | Lanthanide calix[4]arene complexes luminescence spectra |
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