Abstract
We report on the temperature dependence of various photovoltaic device parameters of solar cells, fabricated from interpenetrating networks of conjugated polymers with fullerenes, in the wide temperature range of their possible operating conditions (25–60 °C). The open-circuit voltage was found to decrease linearly with increasing temperature. For the short-circuit current, we observed a monotonic increase with increasing temperature, followed by a saturation region. The rate of this increase (coupled to a corresponding increase for the fill factor) was found to overtake the corresponding rate of decrease in voltage, resulting in an overall increase of the energy conversion efficiency. The efficiency was observed to reach a maximum value in the approximate range 47–60 °C. The results are discussed with respect to possible mechanisms for photovoltage generation and charge carrier transport in the conjugated polymer-fullerene composite, and in particular, thermally activated charge carrier mobility.
Bibliography
Katz, E. A., Faiman, D., Tuladhar, S. M., Kroon, J. M., Wienk, M. M., Fromherz, T., Padinger, F., Brabec, C. J., & Sariciftci, N. S. (2001). Temperature dependence for the photovoltaic device parameters of polymer-fullerene solar cells under operating conditions. Journal of Applied Physics, 90(10), 5343â5350.
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Dates
Type | When |
---|---|
Created | 23 years ago (July 26, 2002, 8:41 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 10, 2024, 11:53 a.m.) |
Indexed | 2 months, 3 weeks ago (May 28, 2025, 12:26 a.m.) |
Issued | 23 years, 9 months ago (Nov. 15, 2001) |
Published | 23 years, 9 months ago (Nov. 15, 2001) |
Published Print | 23 years, 9 months ago (Nov. 15, 2001) |
@article{Katz_2001, title={Temperature dependence for the photovoltaic device parameters of polymer-fullerene solar cells under operating conditions}, volume={90}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1412270}, DOI={10.1063/1.1412270}, number={10}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Katz, E. A. and Faiman, D. and Tuladhar, S. M. and Kroon, J. M. and Wienk, M. M. and Fromherz, T. and Padinger, F. and Brabec, C. J. and Sariciftci, N. S.}, year={2001}, month=nov, pages={5343–5350} }