Development of low-temperature SnO <sub>2</sub> –Au gas sensors for H <sub>2</sub> S detection in food freshness monitoring
Kee-Ryung Park, Jinhyeong Kwon, Hyeunseok Choi
Abstract
A handheld food freshness monitoring device is fabricated using a SnO 2 –Au 0.5 wt% nanostructure-based gas sensor, showing good sensitivity, selectivity, and repeatability for H 2 S gas.
Topics & Concepts
Materials scienceRepeatabilitySelectivitySensitivity (control systems)NanostructureNanotechnologyOptoelectronicsAnalytical Chemistry (journal)Environmental chemistryChromatographyChemistryElectronic engineeringOrganic chemistryEngineeringCatalysisGas Sensing Nanomaterials and SensorsAdvanced Chemical Sensor TechnologiesAnalytical Chemistry and Sensors