Figure 2

(a) Transmission Electron Microscope (TEM) image showing size, (b) Ultra Violet-Visible (UV–Vis) absorbance and (c) fluorescence spectra of as-synthesized Boron-Sulfur Graphene Quantum Dots (BS-GQDs).
(a) Transmission Electron Microscope (TEM) image showing size, (b) Ultra Violet-Visible (UV–Vis) absorbance and (c) fluorescence spectra of as-synthesized Boron-Sulfur Graphene Quantum Dots (BS-GQDs).