Abstract
Dye-sensitized solar cells have shown great potential in low and self-powered nano/micro-scale applications, due to their low fabrication costs, semi-transparency in the visible spectrum, diffused light harvesting capabilities, and their lead-free structure. However, DSSC efficiencies are still relatively low due to their limited absorption capabilities in the active mesoporous layer. The current study demonstrates an attempt to boost the overall conversion efficiency of DSSC by narrowing the energy band gap of the mesoporous TiO2 active layer. AgVO3 is utilized in doping the mesoporous layer, seeking for a visible absorption shift from 3.2 eV to 2.6 eV. In addition, natural organic beetroot dye is used while keeping DSSC with N719 dye as a bare cell. Morphological, optical, as well as electrical characterization results were obtained for both thin-film and complete solar cells. The fabricated cell showed an overall harvested power density of 8.6 mW/cm2, capable of operating various low-power sensing applications.
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The data that support the findings of this study are available as following: https://www.mathworks.com/matlabcentral/fileexchange/76474-dssc-optical-modelling. Any other data that support the findings of this study are available from the corresponding author upon reasonable request.
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Acknowledgements
The authors would like to acknowledge the support and contribution of the STDF in this work. As part of the STDF Project entitled, “Mesostructured Based Solar Cells for Smart Building Applications,” Project ID#33502.
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The authors would like to acknowledge the support and contribution of the STDF in this work. As part of the STDF Project ID#33502.
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Hatem, T., Elmahgary, M.G., Ghannam, R. et al. Boosting dye-sensitized solar cell efficiency using AgVO3-doped TiO2 active layer. J Mater Sci: Mater Electron 32, 25318–25326 (2021). https://doi.org/10.1007/s10854-021-06990-4
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DOI: https://doi.org/10.1007/s10854-021-06990-4