Fig. 5From: Zinc and boron co-doped nanotitania with enhanced photocatalytic degradation of Acid Red 6A under visible light irradiationFESEM images of (a) undoped TiO2, (b) 0.5 wt% of Zn2+ & 0.5 wt% of B3+ co-doped TiO2 and EDX spectrum of (c) undoped TiO2, (d) 0.5 wt% of Zn2+ & 0.5 wt% of B3+ co-doped TiO2Back to article page