Control of dark current in photoelectrochemical (TiO2/I−–I3−) and dye-sensitized solar cells

Seigo Ito; Paul Liska; Pascal Comte; Raphaël Charvet; Peter Péchy; Udo Bach; Lukas Schmidt-Mende; Shaik Mohammed Zakeeruddin; Andreas Kay; Mohammad K. Nazeeruddin; Michael Grätzel

doi:10.1039/B505718C

Control of dark current in photoelectrochemical (TiO₂/I⁻–I₃⁻) and dye-sensitized solar cells

Seigo Ito,*^a Paul Liska,^a Pascal Comte,^a Raphaël Charvet,^a Peter Péchy,^a Udo Bach,^a Lukas Schmidt-Mende,^a Shaik Mohammed Zakeeruddin,^a Andreas Kay,^a Mohammad K. Nazeeruddin^a and Michael Grätzel^a

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* Corresponding authors

^a Laboratoire de Photonique et Interfaces, Institut des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne, Station 6, CH-1015 Lausanne, Switzerland
E-mail: seigo.ito@epfl.ch
Fax: +41-21-693-4111
Tel: +41-21-693-3115

Abstract

The ruthenium complex bis-tetrabutylammonium cis-dithiocyanato-N,N′-bis-2,2′-bipyridine-4-carboxylic acid, 4′-carboxylate ruthenium(II), N-719, was found to block the dark current of dye sensitized solar cells (DSC), based on mesoporous TiO₂ films deposited on a F-doped tin oxide electrode and the effect was compared to surface treatment by TiCl₄ and the introduction of a compact TiO₂ blocking layer.

Chemical Communications

Control of dark current in photoelectrochemical (TiO₂/I⁻–I₃⁻) and dye-sensitized solar cells

Abstract

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Control of dark current in photoelectrochemical (TiO₂/I⁻–I₃⁻) and dye-sensitized solar cells

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