Russian Chemical Bulletin p. 1667 - 1671 (1994)
Update date:2022-08-12
Topics:
Ableeva, N. Sh.
Voloshin, A. I.
Ostakhov, S. S.
Kukovinets, A. G.
Korobeinikova, V. N.
et al.
Quenching the fluorescence (FL) of terbium perchlorate by 2,2'-adamantane-2,2'-dioxide (1) was shown to have a chemical character and was caused by the formation of the <1...Tb3+> complex.The dependence of the lifetime (τ) of FL of Tb.3+ in acetonitrile on the temperature and concentration of 1 has been studied.The temperature dependence of τ is caused by rearrangement of the inner sphere of the aquasolvate complexes of Tb3+, which leads to the replacement of H2O with MeCN and 1.The energy of replacing the H2O molecule in the inner sphere of complexes with a solvent molecule has been calculated. - Key words: chemiluminiscence, fluorescence, Tb(ClO4)3*6H2O, 2,2'-adamantane-2,2'-dioxide, lifetime, quenching.
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(1993)
