Factors Affect Dye Sensitized Solar Cells performance

Abstract

-Recently, dye-sensitized solar cells (DSSCs) have received great attention for their simple fabrication process, low production costs and, relatively high conversion efficiency.DSSC are a combination of materials, consisting of a transparent electrode coated with a dye-sensitized mesoporous film of nanocrystalline particles of TiO2, an electrolyte containing a suitable redox couple and an electrode. In order to optimize DSSC performance, it is important to fully understand the factors which affect the key features of DSSC characteristics. This paper presents an overview of the construction of a dye-sensitized solar cell, operating principle of DSSC, DSSC performance and, investigates the most important parameters which affect Dye-Sensitized Solar Cells performance.

Effect of Titanium Dioxide Thickness on Performance of DSSC Solar Cell Using Red Dragon Fruit Dye

“…Electrical power generated by solar cells when they receive light is derived from capability of the solar cell device to generate voltage over an external load and current through the external load at the same time. Several important parameters which are used to characterize solar cells are the shortcircuit current (ISC), the open-circuit voltage (VOC), the fill factor (FF) and the efficiency are determined from the I-V curve [37].…”

“…This efficiency value is a global measure to determine the quality of the performance of a solar cell [35,37].…”

“…The performance of the DSSC depends significantly on certain properties of the nanocrystalline oxide film, such as crystal structure, crystallite size, thickness, and porosity. Selecting the dye, the electrolyte and suitable counter electrodes are also matters at which scientists working in this field are focusing [37]. Titanium dioxide or TiO2 is used as the anode material, where this material is sensitive to light and structurally stable when exposed to sunlight.…”

“…Meanwhile, there are still few studies investigating the influence of the TiO2 layer thickness. Characterization is required to determine the ability of TiO2 to bind to the dye and then affects the power output produced [37,38]. Therefore, the objective of this research is to utilize red dragon fruit as a dye base for DSSC manufacture and to determine the effect of TiO2 thickness on DSSC performance by varying its thickness.…”

Electrospun Nanofibers Applied to Dye Solar Sensitive Cells: A Review

“…The operating principle of a DSSC can be understood by the following [17,18,19,20,21,22,23]: (a) light comes in contact with the dye, (b) photons of light are trapped by the dye, which causes an excitation of electrons, and the electrons are transmitted to the conduction band of the semiconductor (photoanode), (c) the photoanode collects the electrons and transports them to an external circuit, which transmits them to the counter-electrode, (d) the counter-electrode transfers electrons to the electrolyte, which serves as an intermediate between the counter-electrode and photoanode, and, (e) the electrolyte restores the lost electrons to the photoanode.…”