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http://dx.doi.org/10.4313/JKEM.2015.28.3.180

Enhanced Electrochemical Properties of Dye-sensitized Solar Cells Using Flexible Stainless Steel Mesh Electrodes with Ti Protective Layer  

Jung, Haeng-Yun (Photonic-Bio Research Center, Korea Photonics Technology Institute)
Ki, Hyun-Chul (Photonic-Bio Research Center, Korea Photonics Technology Institute)
Gu, Hal-Bon (Department of Electrical Engineering, Chonnam National University)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.28, no.3, 2015 , pp. 180-184 More about this Journal
Abstract
Stainless steel (SS) mesh was used to fabricate photoelectrode for flexible dye-seisitzed solar cells (DSSCs) in order to evaluate them as replacements for more expensive transparent conductive oxide(TCO). We fabricated the DSSCs with new type of photoelectrode, which consisted of flexible SS mesh coated with 100 nm thickness titanium (Ti) protective layer deposited using electron-beam deposition system. SS mesh DSSCs with protective layer showed higher efficiency than those without a protective layer. The best cell property in the present study showed the open circuit voltage (Voc) of 0.608 V, short-circuit current density (Jsc) of $5.73mA\;cm^{-2}$, fill factor (FF) of 65.13%, and efficiency (${\eta}$) of 2.44%. Compared with SS mesh based on DSSCs (1.66%), solar conversion of SS mesh based on DSSCs with protective layer improved about 47%.
Keywords
Flexible dye-sensitized solar cells; TCO-less; Protective layer; Ti coating;
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