A study of natural dye extraction of melastoma and metal oxide doping for dye-sensitized solar cells / Muhammad Syamim Syazwan Shamsuddin

Dye-sensitized solar cells (DSSCs) provide a sustainable energy solution, yet standards synthetics dyes are both expensive and harmful to the environment. This study investigates the potential of using Melastoma petals extracts as natural dyes and enhances the conductivity and stability using calcium oxide (CaO) doping. Conductivity of fresh and dried petals extracted for 1, 3, 5 days was studies. In case of the dried petals, the optimum extraction time for higher adsorption was found to be 3 days. CaO with a doping ratio of 5:1 increased the stability of the dye. This study highlights that Melastoma petals are a low cost, eco-friendly raw material for DSSCs to promote the sustainability of solar energy technology.