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A Zinc(II) Tetraphenylporphyrin Peripherally Functionalized with Redox-Active "trans-[(η5-C5H5)Fe(η5-C5H4)C≡C](κ2- dppe)2Ru(C≡C)-" Substituents: Linear Electrochromism and Third-Order Nonlinear Optics

Areej Merhi 1 Guillaume Grelaud 1 Nicolas Ripoche 1 Adam Barlow 2 Marie Cifuentes 2 Mark Humphrey 2, * Frédéric Paul 1, * Christine Paul-Roth 3, *
* Corresponding author
3 Organométalliques: Matériaux et Catalyse
INSA Rennes - Institut National des Sciences Appliquées - Rennes, ISCR - Institut des Sciences Chimiques de Rennes
Abstract : A nonametallic organometallic-coordination complex (4), assembled from redox-active ferrocenyl (Fc) and Ru(κ2-dppe)2 fragments (dppe = 1,2-bis(diphenylphosphino)ethane) as peripheral donor groups and a central Zn(II) tetraphenylporphyrin (ZnTPP) core, has been prepared and characterized. Complex 4 is obtained in one step from a pentametallic organometallic porphyrin precursor following substitution of the peripheral chloride ligands by ferrocenylalkynyl moieties (Ctriple bond; length of mdashCFc). The spectroelectrochemistry of 4, and that of previously reported porphyrins featuring related peripheral electron-rich d6-transition metal alkynyl units, has been investigated; the optical and redox properties of 4 are briefly discussed, and its potential, and that of a related pentanuclear tetraferrocenyl ZnTPP complex, to function as redox-switchable chromophores is examined. Preliminary studies of the cubic NLO properties of 4 have been undertaken by Z-scan studies at 560 nm and 630 nm, the results from which are also reported.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01067183
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Submitted on : Tuesday, September 23, 2014 - 10:40:17 AM
Last modification on : Tuesday, September 15, 2020 - 10:44:01 AM
Long-term archiving on: : Wednesday, December 24, 2014 - 8:52:52 PM

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Areej Merhi, Guillaume Grelaud, Nicolas Ripoche, Adam Barlow, Marie Cifuentes, et al.. A Zinc(II) Tetraphenylporphyrin Peripherally Functionalized with Redox-Active "trans-[(η5-C5H5)Fe(η5-C5H4)C≡C](κ2- dppe)2Ru(C≡C)-" Substituents: Linear Electrochromism and Third-Order Nonlinear Optics. Polyhedron, Elsevier, 2015, Special issue dedicated to Prof C Lapinte, 86, pp.64-70. ⟨10.1016/j.poly.2014.05.013⟩. ⟨hal-01067183⟩

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