Tio2 as the Economically Semi Conducting Layer for Dye-Sensitized Solar Cell (DSSC) Application

Abstract

Dye-sensitized solar cells are considered a highly promising alternative method for generating electrical power. The DSSC is a photoelectrochemical device designed to efficiently convert solar energy into electrical energy. Titanium dioxide (TiO2) is the most suitable semiconductor oxide for use in DSSC due to its low-cost materials, easy manufacturing, lack of toxicity, and biocompatibility. Titanium dioxide, or TiO2, is a highly promising substance utilised in the application of dye-sensitized solar cells as semi conducting layers. The preparation of TiO2 nanoparticles obtained from using sol-gel method. This paper is to study the effect of the thickness of the semi conducting layer on the performance of the DSSC application. The electrical properties show that the current for 1 layer is the highest among others different thickness. It happens because shorter diffusion routes in thinner TiO2 layers can help electrons move quicker through the semiconductor material and thinner TiO2 layers lower the distance required for photogenerated electrons to get to the conductive substrate. From the result of UV-Vis, the absorption coefficient rises when the transmittance falls, and more light is absorbed as a result. A higher absorption coefficient is connected with more light absorption. The bandgap, as determined by the Tauc plot, determines the material's capacity to absorb light at specific energy levels, which contributes to its usefulness in DSSC applications. The XRD pattern shows that the TiO2 5 layer has the highest crystallinity and TiO2 paste from 2 layer until 5 layer is anatase phase.