Oxidation/metallic state conversion of metal element in target gas: Endowing Ag2O-based sensor with trace-level CO detection ability

Key Points

• Trace-level CO detection was successfully achieved using an Ag2O-based sensor, enhancing sensitivity.
• The oxidation and metallic state conversion of the metal element significantly improved sensor performance.
• The study employed advanced sensor design techniques, focusing on Ag2O material properties for gas detection.
• These findings may enable more effective environmental monitoring, emphasizing the sensor's utility in real-world applications.