Fabrication of dye sensitized solar cell using natural plant pigment as sensitizers

Dye sensitized Solar cells (DSSCs) have gained widespread attention in recent years owing to their low material costs and ease of production as compared to other economical photovoltaic devices. In the present work, various natural dyes like Henna (Lawsone), Spinach, Teak (TectonaGrandis), Beet and...

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Bibliographic Details
Main Authors: Das, Suma, Gogoi, Koustav Kashyap, Chowdhury, Avijit
Format: Conference Proceeding
Language:English
Subjects:
Circuits
Coated electrodes
Current voltage characteristics
Dye-sensitized solar cells
Dyes
Energy gap
Indium tin oxides
Open circuit voltage
Photovoltaic cells
Short circuit currents
Short circuits
Spinach
Titanium dioxide
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Summary:Dye sensitized Solar cells (DSSCs) have gained widespread attention in recent years owing to their low material costs and ease of production as compared to other economical photovoltaic devices. In the present work, various natural dyes like Henna (Lawsone), Spinach, Teak (TectonaGrandis), Beet and Turmeric were extracted and used as sensitizers in DSSCs. The UV-Vis absorption spectroscopy of the extracted dyes was performed and the energy band gaps were calculated. The DSSCs were fabricated using TiO2 as photoanode and graphene oxide coated indium tin oxide (ITO) as counter electrode. Current-voltage (I-V) characteristics of the fabricated devices were performed under solar irradiation (52 mW/cm2) and open circuit voltage (Voc), short circuit current (Jsc), fill factor (FF) and efficiency (η) were noted. The best results were found to be Voc = 223 mV, Jsc = 0.0045 mA/cm2, FF=31% and η=0.63% that corresponds to the dye extracted from beet.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5049112