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Issue 23, 2012
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An unprecedented switching of the second-order nonlinear optical response in aggregate bis(salicylaldiminato)zinc(ii) Schiff-base complexes

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Abstract

A luminescent bis(salicylaldiminato)zinc(II) Schiff-base complex, 1, is characterized by a concentration dependent second-order nonlinear optical response, related to the degree of aggregation of the complex in a dichloromethane solution. The formation of the monomeric adduct, by addition of a Lewis base, such as pyridine, to concentrated solutions of 1, leads to a switch-on of the quadratic hyperpolarizability. This represents an unprecedented mode of NLO switching in molecular materials.

Graphical abstract: An unprecedented switching of the second-order nonlinear optical response in aggregate bis(salicylaldiminato)zinc(ii) Schiff-base complexes

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Supplementary files

Article information


Submitted
29 Mar 2012
Accepted
04 Apr 2012
First published
05 Apr 2012

Dalton Trans., 2012,41, 7013-7016
Article type
Paper

An unprecedented switching of the second-order nonlinear optical response in aggregate bis(salicylaldiminato)zinc(II) Schiff-base complexes

S. Di Bella, I. P. Oliveri, A. Colombo, C. Dragonetti, S. Righetto and D. Roberto, Dalton Trans., 2012, 41, 7013
DOI: 10.1039/C2DT30702B

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