Functionalized styryl iridium(III) complexes as active second-order NLO chromophores and building blocks for SHG polymeric films

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• 作者：Claudia Dragonetti ; Alessia Colombo ; Daniele Marinotto ; Stefania Righetto ; Dominique Roberto ; Adriana Valore ; Muriel Escadeillas ; V茅ronique Guerchais ; Hubert Le Bozec ; Abdou Boucekkine ; Camille Latouche
• 关键词：Second-order nonlinear optics ; EFISH ; Second Harmonic Generation ; Cyclometallated iridium(III) complexes
• 刊名：Journal of Organometallic Chemistry
• 出版年：1 February, 2014
• 年：2014
• 卷：751
• 期：Complete
• 页码：568-572
• 全文大小：573 K

文摘

We studied the second-order NLO properties in solution of various Ir(III) acetylacetonate complexes bearing a substituted cyclometallated 4-styryl-2-phenylpyridine (ppy-4-styryl-R, with R聽=聽NEt₂, OMe, H, NO₂) with the EFISH technique. The dipole moments were evaluated by Density Functional Theory (DFT) calculations.

We have also investigated the Second Harmonic Generation (SHG) of composite films based on the various cyclometallated Ir(III) complexes dispersed and oriented in a polymethylmethacrylate (PMMA) matrix.