To review the evolving design paradigms and transduction mechanisms of piezoelectric composite gas sensors across multiple scales.
Examined recent structural and material innovations in piezoelectric composite gas sensors.
Assessed progress across development levels ranging from atomic material engineering to full system integration.
Piezoelectric composite gas sensors exhibit rapid development driven by tailored atomic-scale material configurations.
System-level integration significantly improves transduction efficiency and operational performance for gas detection platforms.
Abstract
The development of piezoelectric composite (PEC) gas sensors is progressing rapidly, driven by innovations that range from atomic-level material design to system-level integration.