Natural dye-sensitised photovoltaic cell based on nanoporous TiO₂
by Khalil Ebrahim Jasim; Shawqi Al-Dallal; Awatef M. Hassan
International Journal of Nanoparticles (IJNP), Vol. 4, No. 4, 2011

Abstract: We suggest that natural dye-sensitised solar cells (NDSSC) are capable of generating green energy at low production cost using safe materials attached to nanoporous layer of TiO₂. In this paper, we review the operation principles of the dye-sensitised solar cell DSSC and discuss the preparation and characterisation of Henna dyes (Lawsonia inermis L.) at different concentrations. The open circuit voltage and short circuit current were measured for cells made from different Henna extracts concentrations. We found that the open circuit voltage is almost independent of dye concentration and has a typical value of 400 mV, whereas the short circuit current varies with Henna extracts concentration. The best value of the short circuit current of 0.900 mA was obtained for moderate concentration of Henna extracts.

Online publication date: Fri, 13-Mar-2015

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