fig9
Figure 9. (A) Schematic of the experimental procedure for preparing N-CQDs and BN-CQDs. (B) Illustration of the advantages of the surface functional group-tailored BN-CQD structure. (A and B) Reprinted with permission from Ref.[116]. Copyright © John Wiley & Sons. (C) Schematic diagrams showing the formation of the hierarchical LTO/N-GQD/Super-P structure. (C) Reprinted with permission from Ref.[117]. Copyright © 2019 Elsevier. BN-CQDs, boron and nitrogen co-doped carbon quantum dots; N-CQDs, nitrogen-doped carbon quantum dots.
