Fig. 3 | Scientific Reports

Fig. 3

From: Enhanced photocatalytic degradation of organic pollutants using a TiO2–clay nanocomposite in a rotary photoreactor with experimental and theoretical insights

Fig. 3

FE-SEM images of (a) substrate without TiO2-clay and coating of TiO2-clay on the surface of the substrate. (b, c, d), Water contact angle of the substrates containing (h) 50% clay and 50% titanium dioxide; (g) 30% clay and 70% titanium dioxide; (f) 10% clay and 90% titanium dioxide; (e) pure titanium dioxide substrates; and (i) water contact angle. EDX analysis of the TiO2–clay nanocomposite: (j) combined elemental mapping showing distribution of O (cyan), Si (green), and Ti (red); (k–m) individual elemental maps of Ti, O, and Si, respectively; (n) EDX spectrum confirming the elemental composition of the composite.

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