Perovskite-based sensor detects ammonia leaks at concentrations as low as 1 ppm
A team led by principal researcher Myungkwan Song of the Energy & Environment Materials Research Division at the Korea Institute of Materials Science (KIMS) has developed an ultrasensitive ammonia gas sensor using an environmentally friendly, lead-free perovskite material.
We haven't written up this one. Phys.org has the full story — the link below goes straight to it.