Fig. 25From: Synthesis of graphene quantum dots and their applications in drug delivery(reprinted/reproduced with the permission of Ref. [199], copyright 2018, Carbohydrate polymers)Characterization of GQDs: a SEM, b DLS of GQDs, c UV–Vis absorption spectra of GQDs in water, d EDX analysis for the prepared GQDs, e PL spectrum of the dilute aqueous solution of GQDs and the photograph demonstrates the fluorescence of a dilute aqueous solution of GQDsBack to article page