Résumé:
Iron disulfide FeS
2
known as pyrite have attracted attention in many fields for its interesting
properties, expanding their fields of application in energy conversion technology. Therefore, we are
interested in synthesizing FeS
2
nanostructures by an accessible elaboration method based on thermal
evaporation. Iron/nickel thin films were prepared on ceramic Al
2
Si
2
O
5
-(OH)
4
. This was followed by a
sulfidation annealing. X-ray diffraction (XRD) characterization revealed the presence of a Fe-S bonds
relative of structural pyrite phase, which was confirmed by SEM analysis of chemical components and
showed the elongated cubic morphology wanted; other characterization techniques are used to get an
overview of the properties required for this work. In particular, photoluminescence spectra are used to
determine band gaps, UV-Vis-IR to determine absorbance and gas treatment to determine the
sensitivity to toxic gases.
