Cauliflower-like Sn-ZnO/ZIF-67 for highly sensitive and selective NH3 detection, and monitoring freshness of soy products

Key Points

• High sensitivity for NH3 detection indicates its potential as a reliable freshness monitoring tool.
• The detection capability achieves a significant threshold at 2.5 ppm within 30 seconds, highlighting quick response times.
• Assessment of sensor performance utilizes cauliflower-like Sn-ZnO combined with ZIF-67 for enhanced selectivity and sensitivity.
• Results may enable improved monitoring of food freshness, enhancing food safety protocols in agricultural settings.