Issue 23, 2012
From the journal:

Dalton Transactions

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

Santo Di Bella,*a   Ivan Pietro Oliveri,a   Alessia Colombo,b   Claudia Dragonetti,b   Stefania Righettob  and  Dominique Roberto*bc  

* Corresponding authors

a Dipartimento di Scienze Chimiche, Università di Catania, I-95125 Catania, Italy
E-mail: sdibella@unict.it
Fax: +39 095 580138
Tel: +39 095 738 5068

b Dipartimento CIMA “Lamberto Malatesta” dell'Università degli Studi di Milano, UdR dell'INSTM, I-20133 Milano, Italy

c ISTM-CNR, I-20133 Milano, Italy
E-mail: dominique.roberto@unimi.it
Fax: +39 02 50314405
Tel: +39 02 50314399

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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Article information

DOI
https://doi.org/10.1039/C2DT30702B
Article type
Paper
Submitted
29 Mar 2012
Accepted
04 Apr 2012
First published
05 Apr 2012

Dalton Trans., 2012,41, 7013-7016

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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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