Fig. 2From: Synthesis of visible light active doped TiO2 for the degradation of organic pollutants—methylene blue and glyphosateAbsorption spectra of Mn-doped TiO2. a Undoped TiO2. b 0.15% Mn-doped TiO2. c 0.30% Mn-doped TiO2. d 0.45% Mn-doped TiO2. e 0.60% Mn-doped TiO2 Back to article page