Please use this identifier to cite or link to this item: http://repo.lib.jfn.ac.lk/ujrr/handle/123456789/265
Title: Effect of temperature and light intensity on the performance of polymer/fullerene solar cells with titanium dioxide nanolayers
Authors: Sarathchandran, S.
Haridas, K.
Kim, Y.
Ravirajan, P.
Keywords: Fullerene;Intensity;Polymer;Solar Cells;Temperature;Titanium Dioxide
Issue Date: Aug-2010
Publisher: Journal of Nanoelectronics and Optoelectronics
Abstract: In this work, alternative architecture for polymer/fullerene solar cells has been explored using titanium dioxide nanolayers which invert the polarity of the cell and may relax the necessity to have a hole-collecting buffer layer poly(styrene sulfonate)-doped poly(ethylene dioxy-thiophene) (PEDOTPSS). This work particularly focuses on the performance of the inverted devices with dense TiO2 nanolayers as a function of temperature, illumination intensity and time. We find that both temperature and illumination intensity slightly influence the power conversion efficiency of devices with the PEDOT:PSS layer. However, the inverted solar cells without the PEDOT:PSS layer showed very different characteristics regarding the power conversion efficiency which increased significantly with the operating temperature from 30°C to 65°C. This was attributed to a consequence from the strong and positive temperature dependence of open-circuit voltage which may be due to a "kink" in the current-voltage characteristics near the open-circuit voltage.
URI: http://repo.lib.jfn.ac.lk/ujrr/handle/123456789/265
ISSN: 1555130X
Appears in Collections:Physics

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