Figure 1

The schematic illustration shows the synthesis of C-QDs from fennel seed via pyrolysis method. (a) Fennel seeds, (b) ground fennel powder, (c) pyrolysis of fennel powder, (d) sonication of C-QDs, (e) centrifugation of C-QDs, (f) dialysis of C-QDs, (g) C-QDs under UV, and (h) TEM image of C-QDs.