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Application of electrospun cellulose acetate nanofibre membrane based quasi-solid state electrolyte for dye sensitized solar cells

Authors:

A. M. J. S. Weerasinghe,

National Institute of Fundamental Studies, Hanthana Road, Kandy, LK
About A. M. J. S.
Postgradutate Institute of Science, University of Peradeniya
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M. A. K. L. Dissanayake,

National Institute of Fundamental Studies, Hanthana Road, Kandy, LK
About M. A. K. L.
Postgradutate Institute of Science, University of Peradeniya
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G. K. R. Senadeera ,

National Institute of Fundamental Studies, Hanthana Road, Kandy, LK
About G. K. R.
Department of Physics, The Open University of Sri Lanka, Nawala, Nugegoda
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V. A. Senaviratne,

University of Peradeniya, Peradeniya, LK
About V. A.
Department of Physics, Faculty of Science
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C. A. Thotawatthage,

National Institute of Fundamental Studies, Hanthana Road, Kandy, LK
About C. A.
Postgradutate Institute of Science, University of Peradeniya
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J. M. K. W. Kumari

National Institute of Fundamental Studies, Hanthana Road, Kandy, LK
About J. M. K. W.
Postgradutate Institute of Science, University of Peradeniya
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Abstract

Dye Sensitized Solar Cells (DSSCs) are much more eco-friendly, low cost and easy to fabricate devices compared to silicon solar cells. In order to overcome their problems with safety and the long-term stability due to sealing problems, liquid electrolytes employed in these devices are replaced with quasi solid-state or gel electrolytes even though the overall efficiencies are somewhat lower. In this study DSSCs are fabricated and tested by replacing the conventional liquid electrolyte using a quasi–solid state electrolyte comprised of biodegradable electro spun cellulose acetate (CA) nanofibres. DSSCs fabricated with this quasi-solid state electrolytes showed an overall light to electricity conversion efficiency of 4.0% under the illumination of 100 mW cm-2 (AM 1.5). The corresponding values of short circuit current density (Jsc), open circuit voltage (Voc) and the fill factor (FF) of this device were 9.83mA cm-2, 699.1 mV and 0.58 respectively.
How to Cite: Weerasinghe, A. M. J. S., Dissanayake, M. A. K. L., Senadeera, G. K. R., Senaviratne, V. A., Thotawatthage, C. A., & Kumari, J. M. K. W. (2017). Application of electrospun cellulose acetate nanofibre membrane based quasi-solid state electrolyte for dye sensitized solar cells. Ceylon Journal of Science, 46(2), 93–98. DOI: http://doi.org/10.4038/cjs.v46i2.7433
Published on 14 Jun 2017.
Peer Reviewed

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