A carbon gel catalyst layer for the roll-to-roll production of dye solar cells |
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Authors: | Kati Miettunen Minna Toivola Ghufran Hashmi Jyri Salpakari Imran Asghar Peter Lund |
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Affiliation: | New Energy Technologies Group, Department of Applied Physics, Aalto University, P.O. Box 15100, FIN-00076 Aalto, Finland1 |
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Abstract: | Carbon gel catalyst layers were used in dye solar cells. These layers were prepared on flexible plastic substrates at low temperatures (130 °C). The carbon gel, demonstrated excellent flexibility which is an important feature for roll-to-roll production and special applications of dye solar cells. The use of these low cost and highly flexible catalyst layers resulted in good photovoltaic performance; only 10% lower than dye solar cells with rigid glass-based counter electrodes prepared with thermal platinization at ∼400 °C temperature. |
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