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Issue 11, 2002
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Synthesis and second order nonlinear optical properties of new chromophores containing 1,3,4-oxadiazole and thiophene rings

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Abstract

We report the synthesis and physico-chemical characterization, including molecular second order nonlinear optical properties by the EFISH technique, of three new heterocycle based push–pull chromophores. Two chromophores contain the five membered 1,3,4-oxadiazole ring, the third a thiophene ring. The chromophores also contain azo or stilbene bridges between conjugated aromatic rings and are functionalized for covalent incorporation into polymer chains. The maximum observed μgβ is 1350 × 10−48 esu for the thiophene chromophore in conditions far from resonance enhancement (fundamental laser wavelength 1.907 µm). The crystal structure of one oxadiazole chromophore is also discussed.

Graphical abstract: Synthesis and second order nonlinear optical properties of new chromophores containing 1,3,4-oxadiazole and thiophene rings

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Article information


Submitted
25 Jul 2002
Accepted
10 Sep 2002
First published
14 Oct 2002

J. Chem. Soc., Perkin Trans. 2, 2002, 1791-1795
Article type
Paper

Synthesis and second order nonlinear optical properties of new chromophores containing 1,3,4-oxadiazole and thiophene rings

A. Carella, A. Castaldo, R. Centore, A. Fort, A. Sirigu and A. Tuzi, J. Chem. Soc., Perkin Trans. 2, 2002, 1791
DOI: 10.1039/B207230K

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