Fig. 7From: Biogenic surfactant mediated facile synthesis of visible light sensitized Zn/Mg co-doped TiO2 nanomaterials – a green approach: evaluation of photocatalytic activity by degradation of Amido Black 10Ba, c The DRS spectra and b, d tauc plot of undoped and Zn/Mg co-doped TiO2 without surfactant and with surfactant respectivelyBack to article page