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Journal of Photonics for Energy

Dye-sensitized solar cell using natural dyes extracted from <italic<Morus atba Lam</italic< fruit and <italic<Striga hermonthica</italic< flower
Author(s): Abebe Reda; Sisay Tadesse; Teketel Yohannes
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Paper 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.

Paper Details

Date Published: 3 September 2014
PDF: 9 pages
J. Photon. Energy. 4(1) 043091 doi: 10.1117/1.JPE.4.043091
Published in: Journal of Photonics for Energy Volume 4, Issue 1
Show Author Affiliations
Abebe Reda, Bahir Dar Univ. (Ethiopia)
Sisay Tadesse, Hawassa Univ. (Ethiopia)
Teketel Yohannes, Addis Ababa Univ. (Ethiopia)


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