Fig. 4From: Zinc and boron co-doped nanotitania with enhanced photocatalytic degradation of Acid Red 6A under visible light irradiation(a) The DRS spectra of undoped TiO2 and co-doped TiO2 with different wt% of Zn & B (b) Kubelka-Munk function (F(R)hv)1/2 vs photon energy (hv) for determining bandgap energy valuesBack to article page