Convenient synthesis of functionalized 4,4′-disubstituted-2,2′-bipyridine with extended π-system for dye-sensitized solar cell applications

被引：17
|
作者：
Klein, Cedric [1 ]
Baranoff, Etienne [1 ]
Nazeeruddin, Md. Khaja [1 ]
Graetzel, Michael [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland
来源：
TETRAHEDRON LETTERS | 2010年 / 51卷 / 47期
关键词：
Bipyridine; Horner-Emmons-Wadsworth reaction; Dye-sensitized solar cells; Extended pi-systems; RUTHENIUM COMPLEXES; BIPYRIDINE; EFFICIENT; ABSORPTIVITY; CHROMOPHORES;
D O I：
10.1016/j.tetlet.2010.09.077
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Exploration of new ruthenium-based sensitizers for dye-sensitized solar cell (DSC) applications requires an easy access to multifunctionalized ligands for efficient screening of sensitizers' properties. Based on the Horner-Emmons-Wadsworth reaction, a convenient synthetic route for the extension of the it-system on 4,4'-disubstituted-2,2'-bipyridines was used to develop a novel series of functionalized 2,2'-bipyridine ligands with either electron-withdrawing or donating end-capping group. H-1 NMR spectroscopy revealed that all the new bipyridyl ligands were obtained exclusively in their fully E isomers. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：6161 / 6165
页数：5
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