Innovative economic anthocyanin dye source for enhancing the performance of dye-sensitized solar cell

Four natural dyes were extracted from different fruits used in the Dye-sensitized solar cell (DSSC). It includes ber, blackberry, black grapes, and blueberry by individual dye or combined with other dyes. The solution's absorption spectra extended to whole visible region 200–750 nm. FTIR spectroscopy was employed identify possible functional group vibrations responsible for dyes' chemical activity optical behaviour. TiO2 powder coated on ITO conducting surface form a thin film. experimental results showed that ber produces highest efficiency (η), ˜13%, among all four anthocyanin studied. also found combination is higher conversion than another vice versa. Ber can be helpful development of more eco-friendly cost-effective cells commercially promising DSSC.