A simple but effective dual redox and fluorescent ion pair receptor based on a ferrocene-imidazopyrene dyad |
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Authors: | Alfonso María Espinosa Arturo Tárraga Alberto Molina Pedro |
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Affiliation: | Departamento de Qui?mica Orga?nica, Facultad de Qui?mica, Universidad de Murcia, Campus de Espinardo, E-30100, Murcia, Spain. |
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Abstract: | The ferrocene-imidazopyrene dyad, bearing the imidazole ring as the only receptor site, acts as a redox and optical molecular sensor for ion pairs, exhibiting an easily detectable signal change in the redox potential of the ferrocene/ferrocinium redox couple and in the emission spectrum. Perturbation of the emission spectrum follows the order Pb(2+) > Hg(2+) > Zn(2+) for cations and H(2)PO(4)(-) > AcO(-) for anions. |
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