Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 8, Issue 10, Pages 5109-5112Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2008.1075
Keywords
Dye-Sensitized Solar Cells (DSSCs); Poly (Ethylene Glycol) (PEG); Open-Circuit Voltage; Power Conversion Efficiency; ZnO Nanowires; Redox
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We demonstrate for the first time ZnO nanowire dye-sensitized solar cells (DSSCs) with a solid-state poly (ethylene glycol) (PEG) redox electrolyte. From the current-voltage characteristics of this solid PEG electrolyte-based ZnO nanowire DSSCs, the open-circuit voltage and short-circuit current density, and fill factor were determined to be similar to 0.58 V, similar to 1.30 mA/cm(2), and 0.31, respectively. We obtained a power conversion efficiency of similar to 0.24% under an incident irradiation of 100 mW/cm(2), corresponding to air mass (AM) 1.5 global solar conditions. The solid-state DSSC experienced an efficiency that was similar to 0.1% lower than the efficiency a liquid electrolyte based ZnO nanowire DSSC.
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