Perovskite solar cells are inexpensive to produce and generate a high amount of electric power per surface area. However, they are not yet stable enough, losing efficiency more rapidly than the ...

The complex compound K₉N₅₆ was formed under unusual conditions: Potassium azide (KN₃) and molecular nitrogen (N₂) were compressed under a pressure more than 400,000 times higher than the pressure of ...