Fig. 1From: Photocatalytic degradation of tetracycline in aqueous systems under visible light irridiation using needle-like SnO2 nanoparticles anchored on exfoliated g-C3N4(iii): TEM images of a g-C3N4 nanosheet, b SnO2 nanoparticles, c SnO2/g-C3N4 and, d HR-TEM image SnO2/g-C3N4 compositesBack to article page