Research Article

Simple One-Step Leaf Extract-Assisted Preparation of α-Fe2O3 Nanoparticles, Physicochemical Properties, and Its Sunlight-Driven Photocatalytic Activity on Methylene Blue Dye Degradation

Figure 18

Nyquist plot of 500 (a), 600 (b), and 700°C (c).
(a)
(b)
(c)