Design of oxide structured films for dye-sensitized photovoltaic solar cells

Thierry Pauporté; Constance Magne; Victoire-Marie Guérin

doi:10.1117/12.2003138

18 March 2013 Design of oxide structured films for dye-sensitized photovoltaic solar cells

Thierry Pauporté, Constance Magne, Victoire-Marie Guérin

Proceedings Volume 8626, Oxide-based Materials and Devices IV; 86260Z (2013) https://doi.org/10.1117/12.2003138
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

We have investigated a large variety of ZnO structures prepared by sol-gel, electrodeposition and occlusion electrolysis for dye-sensitized solar cell (DSSC) application. The micro-/nanostructures include (nano)porous films, nanowire arrays and hierarchical structures. Several dyes (D149, D205, N719, Z907) have been tested. We have found that the best system is the nanoporous ZnO film prepared by electrodeposition using EY as a structure directing agent and sensitized by the D149 indoline dye in the presence of octanoic acid. Electrochemical impedance spectroscopy (EIS) investigation of the cells’ functioning shows a high charge collection efficiency of the ZnO-based photoelectrodes (>92%). Combined with IPCE measurements, we conclude to a high charge injection efficiency (>95%). However, the cell optimizing must now focus on the light harvesting efficiency that must be increased by broadening the sunlight wavelength range collected at the ZnO-based photoelectrode.

Citation Download Citation

Thierry Pauporté, Constance Magne, and Victoire-Marie Guérin "Design of oxide structured films for dye-sensitized photovoltaic solar cells", Proc. SPIE 8626, Oxide-based Materials and Devices IV, 86260Z (18 March 2013); https://doi.org/10.1117/12.2003138

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