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

页码：6161 / 6165

页数：5

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