الخلاصة:
In this work, we have synthesized copper oxides through ecofrindly method using two
different concentration of Aloe vera , Opuntia ficus indica leaves extract, we also synthesized
nanoparticles by another green method using different concentrations of D glucose. The
morphological characterizations by SEM show a change in the shape of the Cu2 O particles as
a function of the concentration of used ecological solvent. X-ray diffraction analysis showed
that the samples prepared with Aloe vera extract and D glucose have a cubic structure
corresponding to the pure cuprous oxide (Cu2O) phase, whereas the samples synthesized with
the extract of Opuntia ficus indica leaves show a biphase structure of synthesis nanoparicles,
Cu2O and CuO. FT-IR spectroscopy is used to distinguish the different chemical components
present in the synthesized nanoparticles. UV-vis analysis spectroscopy allowed us to
determine the optical properties of nanoparticles such as absorption and gap energy. The
photocatalytic activity of prepared nanoparticles showed an excellent degradation of
methylene blue (70% after 3 min) and disappeared completely after 10 min.
