Synthesis and molecular hyperpolarisabilities of donor-acceptor bipyridyl metal complexes (M = Re, Zn, Hg)

被引：52
作者：
Bourgault, M
Baum, K
Le Bozec, H
Pucetti, G
Ledoux, I
Zyss, J
机构：
[1] Univ Rennes 1, CNRS, UMR 6509, Lab Chim Coordinat & Catalyse, F-35042 Rennes, France
[2] Ctr Natl Etud Telecommun, Lab Bagneux, France Telecom, Ctr Paris B, F-92220 Bagneux, France
来源：
NEW JOURNAL OF CHEMISTRY | 1998年 / 22卷 / 05期
关键词：
D O I：
10.1039/a708750k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A series of rhenium(I), zinc(II) and mercury(II) complexes of pi-donor-substituted vinyl bipyridines [donor = 4-R2N-C6H4-; 4-RO-C6H4-; (C5H5)Fe(C5H4-); (C5H5)Ru(C5H4-)] has been prepared and characterized by H-1 NMR and UV-visible spectroscopy. The second-order nonlinear optical properties of bipyridyl ligands and of their complexes have been investigated using EFISH experiments at 1.34 mu m. A significant increase of the molecular hyperpolarizability beta is observed upon coordination. The role of the nature of both the donor group and the metallic moiety on the NLO properties is discussed in detail.
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页码：517 / 522
页数：6
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