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Royal Society of Chemistry, Physical Chemistry Chemical Physics, 23(9), p. 2999

DOI: 10.1039/b618709a

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Two-photon absorption of Zn(ii) octupolar molecules

Journal article published in 2007 by Simone Mazzucato, Ilaria Fortunati, Sara Scolaro, Michele Zerbetto, Camilla Ferrante, Raffaella Signorini, Danilo Pedron, Renato Bozio ORCID, Danika Locatelli, Stefania Righetto, Dominique Roberto, Renato Ugo, Alessandro Abbotto ORCID, Graziano Archetti, Luca Beverina and other authors.
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

In this work we present an investigation of the non-linear optical (NLO) properties of two octupolar chromophores: [Zn(4,4'-bis(dibutylaminostyryl)-[2,2']-bipyridine)(3)](2+) and [Zn(4,4'-bis((E)-2-(N-(TEG)pyrrol-2-yl) vinyl)-[2,2']-bipyridine)(3)](2+) with Zn(II) as the coordination center, using two-photon emission technique (TPE) in fs-pulse temporal regime. Compared to the free ligands, our results do not show a net increase in the two-photon absorption (TPA) cross-section for the octupolar complexes, once normalized to the ligand unit. This is in partial disagreement with a previous theoretical study investigating the first molecule where a significant increase of the TPA cross-section was predicted (X.J. Liu, et al., J. Chem. Phys., 2004, 120, 11493).