Figure 1.
UV-visible spectroscopy measurements of Fly-ash powder curve (1) and the bioleached silica nanoparticles after a reaction of 24 h between the fungus Fusarium oxysporum and Fly-ash powder curve (2).
Figure 2.
Photoluminescence spectrum of Fly-ash powder and bioleached silica nanoparticles (excited at different wavelengths) obtained after 24 h reaction between Fusarium oxysporum and Fly-ash.
Figure 3.
Transmission Electron Microscopic image of Fly-ash powder(A), bioleached silica nanoparticles obtained after reacting Fly-ash with Fusarium oxysporum for 24 h(B) inset shows selected area electron diffraction (SAED) analysis of bioleached silica nanoparticles, particle size distribution analysis of bioleached silica nanoparticles(C) and HR-TEM image of bioleached silica nanoparticles (D).
Figure 4.
X-ray Diffraction (XRD) analysis of bioleached silica nanoparticles obtained after reacting Fly-ash with Fusarium oxysporum for 24 h (A) and Fly-ash powder (B).
Figure 5.
Fourier Transform Infrared (FTIR) spectrum of Fly-ash powder (A) and bioleached silica nanoparticles obtained after reacting Fly-ash with Fusarium oxysporum for 24 h (B).
Figure 6.
Energy Dispersive Analysis of X-rays (EDAX) spectrum and wieght percentages of Fly-ash powder(A) and bioleached silica nanoparticles obtained after reacting Fly-ash with Fusarium oxysporum for 24 h(B).