Redox induced pH-switch of Tb(III) centered luminescence of Tb(III) complex with p-sulfonatothiacalix[4]arene |
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| Authors: | Alexey S. Stepanov Vitaly V. Yanilkin Asiya R. Mustafina Vladimir A. Burilov Svetlana S. Solovieva Igor S. Antipin Alexander I. Konovalov |
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| Affiliation: | A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, 8, Arbuzov Street, Kazan, 420088 Russia |
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| Abstract: | The reversible redox switching of Tb(III) centered luminescence resulting from the protonation/deprotonation of the ligand has been realized. The redox couple quinone/hydroquinone serves as a proton pump, leading to the reversible protonation/deprotonation of the phenolate groups of p-sulfonatothiacalix[4]arene and following decomplexation/complexation with Tb(III) ion in aqueous solution. |
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