Fig. 2From: Photocatalytic degradation of tetracycline in aqueous systems under visible light irridiation using needle-like SnO2 nanoparticles anchored on exfoliated g-C3N4a UV–Vis DRS and, b Kubelka–Munk model of SnO2, g-C3N4 and its corresponding heterostructured compositesBack to article page