Photovoltaic fiber |
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Authors: | Minna Toivola Peter Lund |
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Affiliation: | a Advanced Energy Systems, Department of Applied Physics, Helsinki University of Technology, P.O. Box 5100, 02015 TKK, Finland b Laboratory of Fiber Materials Science, Department of Materials Science, Tampere University of Technology, Korkeakoulunkatu 6, 33720, Tampere, Finland |
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Abstract: | The optoelectronically active optical fiber is demonstrated in this work. This fiber consists of dye sensitized solar cell (DSC) structure deposited on claddingless optical fiber. Both silica and plastic optical fibers are used as a substrate. Such a fiber converts light modes propagating in the modified cladding into electrical signal. DSC structure consisting of ZnO:Al transparent current collector layer, TiO2 photoelectrode sensitized with ruthenium dye, gelatinized iodine electrolyte, and carbon-based counter electrode was deposited layer by layer on top of the optical fiber. Current density-voltage curves of photovoltaic (PV) fibers of different diameters are presented. Maximum obtained short circuit current, Isc, was 26 nA/cm2 and maximum open circuit voltage, Voc, was 0.44 V. The fabrication issues and applications of the PV fiber are discussed in the article. |
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Keywords: | Dye sensitized solar cell Optical fiber Optoelectronic device |
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