Review Article

Functionalized Activated Carbon Derived from Biomass for Photocatalysis Applications Perspective

Figure 17

SEM micrographs of the TiO2/ACFs photocatalyst and unmodified ACFs, (a) general view of the photocatalyst, 100x; (b) TiO2 coating on single carbon fiber, 2000x; (c) cross-sectional view of TiO2 coating, 20,000x; (d) surface of TiO2 coating, 20,000x; (e) surface of TiO2 coating, 50,000x; and (f) single unmodified activated carbon fiber 4000x [253].