Browsing by Author "Huda, Syeda Ashifa"

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    Fabrication and optimization of dye sensitized solar cell using carissa carandas dye
    (University of Dhaka, 2016-11-20) Huda, Syeda Ashifa
    This study presents an approach on the development of DSSC and the photo- electrochemical effect with natural Carissa Carandas dye sensitized Titanium Dioxide anode. To find the optimal performance of the dye Carissa Carandas was soaked in different solvent for varying time and the optimum time to soak anode in dye is measured by soaking anode in the dye for varying time. The optimum condition was soaking Carissa Carandas in ethanol solvent for 48 hours and soaking Titanium Dioxide anode in dye for one hour. The light conversion efficiency of the Dye-sensitized solar cell reached 0.10271% with short circuit density .8566 mA/cm² ,open circuit voltage 478mV and a fill factor of .2546.The UV-visible absorption characteristics of natural dye solution were shown to absorb in visible region at λ max= 535nm.