A reassessment of the association between azulene and [60]fullerene. Possible pitfalls in the determination of binding constants through fluorescence spectroscopy

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A reassessment of the association between azulene and [60]fullerene. Possible pitfalls in the determination of binding constants through fluorescence spectroscopy†

Lorenzo Stella,*^a Agostina L. Capodilupo^a and Massimo Bietti*^a

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* Corresponding authors

^a Dipartimento di Scienze e Tecnologie Chimiche, Università “Tor Vergata”, via della Ricerca Scientifica 1, Roma, Italy
E-mail: stella@stc.uniroma2.it, bietti@uniroma2.it
Fax: +39-06-72594328
Tel: +39-06-72594463

Abstract

We show here that the recently reported surprisingly large association constant (K = 7.6 × 10⁴ M⁻¹) between azulene and [60]fullerene is due to experimental artifacts, pointing out potential errors in the characterization of association equilibria by fluorescence spectroscopy, and suggesting the best experimental practices.

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Article information

DOI: https://doi.org/10.1039/B808357F
Article type: Communication
Submitted: 19 May 2008
Accepted: 17 Jul 2008
First published: 01 Sep 2008

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Chem. Commun., 2008, 4744-4746

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