Synthesis and characterization of heterostructured carbon nanodots derived from Pinus pinea L. bark for enhanced Fe 3+ sensing and antioxidant activity

Key Points

• This research aims to synthesize carbon nanodots from Pinus pinea bark and evaluate their sensing and antioxidant properties.
• Utilized Pinus pinea bark residues for carbon nanodots synthesis.
• Applied pyrolytic treatment for 3 hours at 300 °C.
• Characterized the resulting nanodots for their properties.
• Successfully synthesized PP300-3 carbon nanodots with enhanced sensing and antioxidant capabilities.
• Demonstrated effective Fe3+ sensing performance.
• Showed significant antioxidant activity.