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Issue 4, 2017
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Tuning the dipolar second-order nonlinear optical properties of 5-π-delocalized-donor-1,3-di(2-pyridyl)benzenes, related cyclometallated platinum(ii) complexes and methylated salts

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Abstract

The synthesis and characterization of three 5-π-delocalized-donor-1,3-di(2-pyridyl)benzenes is reported along with that of their related cyclometallated platinum(II) complexes and N,N-dimethylated iodide salts. The second-order nonlinear optical (NLO) properties of all the compounds have been determined by the Electric Field Induced Second Harmonic generation technique, showing how the μβEFISH absolute value of 1,3-di(2-pyridyl)benzenes can be tuned by the nature of the substituent on position 5 of the central benzene ring, and greatly increased by cyclometallation to Pt or by N-methylation.

Graphical abstract: Tuning the dipolar second-order nonlinear optical properties of 5-π-delocalized-donor-1,3-di(2-pyridyl)benzenes, related cyclometallated platinum(ii) complexes and methylated salts

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Article information


Submitted
16 Nov 2016
Accepted
20 Dec 2016
First published
22 Dec 2016

Dalton Trans., 2017,46, 1179-1185
Article type
Paper

Tuning the dipolar second-order nonlinear optical properties of 5-π-delocalized-donor-1,3-di(2-pyridyl)benzenes, related cyclometallated platinum(II) complexes and methylated salts

F. Nisic, E. Cariati, A. Colombo, C. Dragonetti, S. Fantacci, E. Garoni, E. Lucenti, S. Righetto, D. Roberto and J. A. G. Williams, Dalton Trans., 2017, 46, 1179
DOI: 10.1039/C6DT04359C

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