Enhanced ammonia sensing using Pt-decorated single-crystalline SnO 2 nanowires prepared by sputtering

Key Points

• The aim is to enhance the performance of ammonia sensors using Pt-decorated SnO2 nanowires.
• Utilized sputtering technique to prepare Pt-decorated single-crystalline SnO2 nanowires.
• Tested the ammonia sensing capability of the nanowires under controlled conditions.
• Analyzed the sensitivity and response time of the sensors.
• Demonstrated increased sensitivity of the sensors to ammonia compared to unmodified SnO2.
• Showed faster response and recovery times with Pt decoration.
• Confirmed the effectiveness of sputtering in enhancing the gas sensing properties.