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

作者：Reda Abebe; Tadesse Sisay^*; Yohannes Teketel

来源：Journal of Photonics for Energy, 2014, 4(1): 043091.

DOI：10.1117/1.JPE.4.043091

• natural dyes
• anthocyanin
• solar cells
• titanium dioxide

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/cm(2) 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) of 1.01 mA/cm(2), and an FF of 0.58.

• 出版日期2014-9-3