One- and two-photon absorption and emission properties of a Zn(II) chemosensor

Renato Bozio, Elio Cecchetto, Graziano Fabbrini, Camilla Ferrante*, Michele Maggini, Enzo Menna, Danilo Pedron, Raffaele Riccò, Raffaella Signorini, Michele Zerbetto

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

This paper presents the synthesis and two photon-induced absorption (TPA) properties of a functionalized distyrylbenzene (DSB) 1 containing a tetra-azacyclododecane (cyclen) receptor for Zn(II). The influence of Zn(II) on one- and two-photon absorption characteristics of 1 has been investigated in dimethyl sulfoxide. The experiments show that the TPA action spectrum of uncomplexed 1, at 750 nm employing nanosecond-long excitation pulses, is 5 times more intense than that of the complexed form. This moderate contrast between the bound and unbound species confirms, however, the potential of this design scheme for the development of molecular structures with enhanced sensitivity and contrast to be used as Zn(II) sensors through TPA-induced fluorescence microscopy.

Original languageEnglish
Pages (from-to)6459-6464
Number of pages6
JournalThe Journal of Physical Chemistry / A
Volume110
Issue number20
DOIs
Publication statusPublished - 25 May 2006
Externally publishedYes

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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