Enhanced Hybrid Solar Cells Efficiency by Plant Wastes (Terminalia Cattapa) as a Sensitizer to Titanium Dioxide (TiO2) Combined with PEDOT: PSS

  • Abstract
  • Keywords
  • References
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  • Abstract

    Synthetic dyes possess good efficiency; however these dyes suffer from stability, price and toxicity. Due to abundance of waste materials in Malaysia, natural dyes were chosen to replace synthetic dyes in hybrid solar cell (HSC). The main purpose of this research is to study the performance of integrating Terminalia catappa (Ketapang’s leaves) into HSC. To this date, no research on HSC was presented using this plant as natural dye. Process started with an extraction of Terminalia cattapa and the colour obtained was strong brown dye. ITO/TiO2/PEDOT: PSS/TC/Al was fabricated using blade techniques, followed by spin coating and dye loading technique. FTIR and UV-Vis Spectrometer were used to characterize samples. A four point probe was used to measure electrical properties of the samples. Their performance in HSC was then recorded by IV test Autolab Potentiostat PGSTAT 302 under light radiation. From results, electrical conductivity of TiO2/PEDOT: PSS/TC was recorded at 0.37 Sm-1 as compared to TiO2/PEDOT: PSS. The efficiency of TiO2/PEDOT: PSS/TC was 0.24% and it can be conclude that Terminalia cattapa was suitable to be used as a natural dye for third generation solar cell.



  • Keywords

    efficiency; hybrid solar cell; natural dye; Titanium dioxide; Terminalia cattapa

  • References

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Article ID: 25706
DOI: 10.14419/ijet.v7i4.42.25706

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