Lead halide perovskites with the general formula APbX 3, where A is an organic (CH 3 NH 3+, CH (NH 2) 2+) or inorganic cation (Cs +) and X is a halide (I –, Br –, or Cl –), have gained much attention ...

Ammonia plays a key role in the neutralization of atmospheric acids such as sulfate and nitrates. A few in situ observations have supported the theory that gas-phase NH 3 concentrations should ...