Review summarizes gas sensor mechanisms and performance in carbon nanotubes, suggesting future directions for improved designs.
Key Points
This review aims to provide a comprehensive overview of carbon nanotube-based gas sensors, focusing on their sensing mechanisms and performance characteristics.
Analyzed CNT structure, synthesis, and fabrication techniques.
Examined sensing mechanisms, including charge transfer and environmental effects.
Compared sensor performance based on target gases and operational factors.
Identified key challenges such as reproducibility, selectivity, and humidity compensation.
Highlighted the performance of recent flexible and wearable CNT sensors on various substrates.
Discussed the need for standardization and future advancements in CNT-enabled sensing systems.