Special Section on Organic Photovoltaics

Dye-sensitized CuAlO2 photocathodes for tandem solar cell applications

[+] Author Affiliations
Andrew Nattestad, Xiaoli Zhang, Udo Bach, Yi-Bing Cheng

Monash University, Department of Materials Engineering, Wellington Road, Clayton, Victoria 3800 Australia

J. Photon. Energy. 1(1), 011103 (January 18, 2011). doi:10.1117/1.3528236
History: Received September 15, 2010; Revised November 21, 2010; Accepted November 29, 2010; Published January 18, 2011
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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 (VOC) 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.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Andrew Nattestad ; Xiaoli Zhang ; Udo Bach and Yi-Bing Cheng
"Dye-sensitized CuAlO2 photocathodes for tandem solar cell applications", J. Photon. Energy. 1(1), 011103 (January 18, 2011). ; http://dx.doi.org/10.1117/1.3528236


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