Electronic–photonic interplay in nitrogen-doped MXene quantum dots: mechanistic insights into dual-mode and multiplexed sensing

Key Points

• The aim is to explore how nitrogen-doped MXene quantum dots enable sensitive sensing mechanisms.
• Investigated the mechanisms of nitrogen-doped MXene quantum dots in sensing applications.
• Utilized fluorescence quenching, FRET, and IFE for analysis of sensing capabilities.
• Examined coordination interactions for enhanced sensitivity.
• Demonstrated significant sensitivity in dual-mode sensing with N-MQDs under diverse conditions.
• Achieved effective multiplex sensing through various interaction mechanisms.
• Showed improved responsiveness in both environmental and biomedical contexts.