fig6

Figure 6. SEM images of (A and B) PP, (C and D) CDs/HCPP, (E and F) CDs/HCPP-700. SEM: Scanning electron microscopy; CDs/HCPP: carbon dots incorporated in hydrochar.
Figure 6. SEM images of (A and B) PP, (C and D) CDs/HCPP, (E and F) CDs/HCPP-700. SEM: Scanning electron microscopy; CDs/HCPP: carbon dots incorporated in hydrochar.
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