Dye-sensitized solar cell using natural dyes extracted from Morus atba Lam fruit and Striga hermonthica flower

Abebe Reda; Sisay Tadesse; Teketel Yohannes

doi:10.1117/1.JPE.4.043091

3 September 2014 Dye-sensitized solar cell using natural dyes extracted from Morus atba Lam fruit and Striga hermonthica flower

Abebe Reda, Sisay Tadesse, Teketel Yohannes

Author Affiliations +

Journal of Photonics for Energy, Vol. 4, Issue 1, 043091 (September 2014). https://doi.org/10.1117/1.JPE.4.043091

Abstract

This study employs anthocyanin extracts from mulberry (Morus atba Lam) fruit and Akenchira (Striga hermonthica) flower as the natural dyes for a dye-sensitized solar cell (DSSC). The electrodes, electrolyte (I − /I ₃ − ), and dyes were assembled into a cell and illuminated by a light with an intensity 100 mW/cm² to measure the photoelectrochemical parameters of the prepared DSSCs. According to the experimental results, the maximum conversion efficiency of the DSSCs prepared from anthocyanin dyes of Morus atba Lam fruit extract is 0.42%, with an open-circuit voltage (V _oc ) of 0.54 V, a short circuit current density (J _sc ) of 1.38 mA/cm ² , and a fill factor (FF) of 0.56. The maximum conversion efficiency of the DSSCs prepared by anthocyanin dye from the flower of S. hermonthica extract is 0.304% with a V _oc of 0.52 V, J _sc[/sub] of 1.01 mA/cm2 , and an FF of 0.58.

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Abebe Reda, Sisay Tadesse, and Teketel Yohannes "Dye-sensitized solar cell using natural dyes extracted from Morus atba Lam fruit and Striga hermonthica flower," Journal of Photonics for Energy 4(1), 043091 (3 September 2014). https://doi.org/10.1117/1.JPE.4.043091

Published: 3 September 2014

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