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Copper(I) Complexes of 6,6'-disubstituted 2,2'-bipyridine Dicarboxylic Acids: New Complexes for Incorporation Into Copper-Based Dye Sensitized Solar Cells (DSCs)

Copper(I) Complexes of 6,6'-disubstituted 2,2'-bipyridine Dicarboxylic Acids: New Complexes for Incorporation Into Copper-Based Dye Sensitized Solar Cells (DSCs)

Edwin C Constable, Ana Hernandez Redondo, Catherine E Housecroft, Markus Neuburger, Silvia Schaffner

Dalton Trans. 2009 Sep 7;(33):6634-44.

PMID: 19672508

Abstract:

Synthetic approaches to 6,6'-disubstituted-2,2'-bipyridine ligands bearing carboxylic acid substituents at the 4,4' or 5,5'-positions are described. Copper(I) complexes with these ligands have been prepared for use in copper-based dye-sensitized solar cells. The single-crystal structures of 6,6'-dimethyl-2,2'-bipyridine-4,4'-dicarboxylic acid (H(2)4), [H(3)6][CF3CO2].2CF3CO2H (H(2)6 = 6,6'-diphenyl-2,2'-bipyridine-4,4'-dicarboxylic acid) and 4[Cu(H(2)2)(H2)].3H2O (H(2)2 = 6,6'-dimethyl-2,2'-bipyridine-5,5'-dicarboxylic acid) are described, as well as those of the intermediates (1E,5E)-1,6-di(2-furyl)hexa-1,5-diene-3,4-dione and 4,4'-di(2-furyl)-6,6'-dimethyl-2,2'-bipyridine (3), and the copper(I) complex [Cu(3)(2)][PF6]. The roles that classical and non-classical hydrogen bonding and pi-stacking interactions play in determining the solid-state packing in these structures are discussed. Preliminary studies of DSCs with these complexes are reported.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP6813383	2,2'-Bipyridine-4,4'-dicarboxylic acid		6813-38-3	Price

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