Fig. 3. FT-IR Spectrum of VNPs@Salvia officinalis .
EDS analysis :
Figure 4 exhibits the EDS diagram for VNPs@Salvia officinalis as a qualitative elemental analysis. The signals at 0.52 Kev (VLα), 4.95 (VKα), and 5.43 (VKβ) approve the presences of vanadium in VNPs@Salvia officinalis . The signals for vanadium nanoparticles have been recorded previously [30].