Room-temp trace ammonia detection using SnS 2 nanosheets@PANI composite: a step towards ultrasensitive environment monitoring and non-invasive renal disease diagnosis

Heterojunction SnS 2 /PANI nanocomposite-based sensor for selective, trace-level ammonia detection at room temperature in the range 0.5-150 ppm, suitable for both environmental monitoring and non-invasive breath analysis for renal disease diagnosis.