Issue 5, 2009
From the journal:

Photochemical & Photobiological Sciences

Influence of pyridine ligand nature and the corresponding ruthenium(ii) dye molecular structure on the performance of dye-sensitized solar cells†‡

Georgia Konti,a   Evaggelia Chatzivasiloglou,a   Vlassis Likodimos,a   Georgios Kantonis,a   Athanassios G. Kontos,a   Athanassios I. Philippopoulos*b  and  Polycarpos Falaras*a  

* Corresponding authors

a Institute of Physical Chemistry, NCSR “Demokritos”, Aghia Paraskevi Attikis, Athens, Greece

b Laboratory of Inorganic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis, Zografou, Athens, Greece

Abstract

cis-[Ru(bpy)2(Ln)]Cl2 (n = 1, L1 = 4-carboxy-2-(2′-pyridyl)quinoline (2); n = 2, L2 = 2,2′-pyridine-4,4′-dicarboxylic acid (4)); and cis-[Ru(bpy)2(L′)2)]Cl2 (L′ = 4-pyridinecarboxylic acid (6)) complexes, with surface anchoring groups, are prepared from the reaction of cis-[Ru(bpy)2Cl2] (1) with the appropriate ligand (L1, L2, L′). Ion exchange in aqueous solution with NH4PF6 gives the corresponding bis(hexafluorophosphate) derivatives cis-[Ru(bpy)2(L1)](PF6)2 (3), cis-[Ru(bpy)2(L2)](PF6)2 (5) and cis-[Ru(bpy)2(L′)2](PF6)2 (7), respectively. The photo-electrochemical properties of the dyes (2–7) are investigated and the efficiency of the corresponding dye sensitized solar cells is compared to a N719 sensitized device, under similar fabrication and testing conditions.

Graphical abstract: Influence of pyridine ligand nature and the corresponding ruthenium(ii) dye molecular structure on the performance of dye-sensitized solar cells

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Article information

DOI
https://doi.org/10.1039/B817470A
Article type
Paper
Submitted
07 Oct 2008
Accepted
04 Mar 2009
First published
20 Mar 2009

Photochem. Photobiol. Sci., 2009,8, 726-732

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Influence of pyridine ligand nature and the corresponding ruthenium(II) dye molecular structure on the performance of dye-sensitized solar cells

G. Konti, E. Chatzivasiloglou, V. Likodimos, G. Kantonis, A. G. Kontos, A. I. Philippopoulos and P. Falaras, Photochem. Photobiol. Sci., 2009, 8, 726 DOI: 10.1039/B817470A

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