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Correlation between Photovoltaic Performance and Impedance Spectroscopy of Dye-Sensitized Solar Cells Based on Ionic Liquids

The Journal of Physical Chemistry C · 2007 · Vol. 111(17) · pp. 6550–6560

Francisco Fabregat‐Santiago✉(École Polytechnique Fédérale de Lausanne)Juan Bisquert(École Polytechnique Fédérale de Lausanne)Emilio Palomares(Universitat Jaume I)Luís Otero(Universitat Jaume I)Dai‐Bin Kuang(École Polytechnique Fédérale de Lausanne)Shaik M. Zakeeruddin(National University of Río Cuarto)Michaël Grätzel(Institut Català d'Investigació Química)

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Abstract

In this work, we study the characteristics of dye-sensitized solar cells using an ionic liquid as the electrolyte and compare them with the response of a solvent-containing electrolyte cell. Impedance spectroscopy is used to derive the key circuit elements determining the photovoltaic performance of the cell. On the basis of this data, photocurrent voltage curves are calculated and compared with experimental results.

TiO2 Photocatalysis and Solar Cells Conducting polymers and applications Quantum Dots Synthesis And PropertiesDye-sensitized solar cellDielectric spectroscopyElectrolytePhotocurrentPhotovoltaic systemIonic liquidMaterials scienceSolar cellElectrical impedanceSpectroscopy

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