Dye-sensitized CuAlO2 photocathodes for tandem solar cell applications

Andrew Nattestad; Xiaoli Zhang; Udo Bach; Yibing Cheng

doi:10.1117/1.3528236

1 January 2011 Dye-sensitized CuAlO₂ photocathodes for tandem solar cell applications

Andrew Nattestad, Xiaoli Zhang, Udo Bach, Yibing Cheng

Author Affiliations +

Journal of Photonics for Energy, Vol. 1, Issue 1, 011103 (January 2011). https://doi.org/10.1117/1.3528236

Abstract

Dye-sensitized solar cells (DSCs) using the p-type semiconductor CuAlO₂, in conjunction with a highly effective hole injecting dye and an iodide-triiodide-based electrolyte have been produced, demonstrating photocathodic behavior. An improved open-circuit voltage (V_oc) of 333 mV was observed, compared to analogous devices using NiO, which can be explained by the CuAlO₂ valence-band energy, which is lower on the vacuum scale than that of NiO. Incident photon-to-charge-carrier efficiency response confirms that the observed photocurrent is generated by the dye.

Citation Download Citation

Andrew Nattestad, Xiaoli Zhang, Udo Bach, and Yibing Cheng "Dye-sensitized CuAlO₂ photocathodes for tandem solar cell applications," Journal of Photonics for Energy 1(1), 011103 (1 January 2011). https://doi.org/10.1117/1.3528236

Published: 1 January 2011

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