Impact of Iron Pyrite Nanoparticles Sizes in Photovoltaic Performance
Source abstract
Abstract
With rising energy demand and depleted traditional fuels, solar cells offer a sustainable and clean option. In recent years, and due to its acceptable band gap, high absorption coefficient, and inexpensive cost, iron pyrite (FeS2) is a popular material for solar cells. Earth abundance and nontoxicity further boost its photovoltaic possibilities. The current study examined the influence of sulfurization at 350–400 °C on iron pyrite layers fabricated using spray pyrolysis. The morphology and size from TEM confirmed the XRD results of synthesizing a pyrite FeS2 with an average particle size of 10–23 nm at 350–400 °C, respectively. The direct band gap calculated by DFT as a function of temperature was found to be consistent with the experimental findings, 0.87 eV (0.87) and 0.90 eV (0.95) at 350 °C and 400 °C, respectively. We found high-performing photovoltaic cells on ITO/ZnO/FeS2/ MoO3/Au/Ag, obtained with an excellent quality of nanoparticles and nanostructures of FeS2 pyrite, which improved with the method of preparation and growth parameters.
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Research context
OpenAlex topics: Metal Extraction and Bioleaching · Minerals Flotation and Separation Techniques · Chalcogenide Semiconductor Thin Films
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Laboratory of Semiconductors, Nanostructures and Advanced Technologies, Borj Cedria Science and Technology Park, BP 95, Hammam-Lif 2050, Tunisia
Departement de Physique, Faculté des Sciences de Bizerte, Université de Carthage, Tunis 2036, Tunisia
Department of Mathematics and Sciences, College of Humanities and Sciences, Prince Sultan University, Riyadh 11586, Saudi Arabia
References (86)
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