Scientists create novel bandgap-tunable 2D nanosheets made from perovskite oxynitrides

https://phys.org/news/2023-03-scientists-bandgap-tunable-2d-nanosheets-perovskite.html

"2 step intercalation to exfoliate lanthanum niobium oxynitride nanosheets with formula LaNb2O7-xNx (x= amount of nitrogen added to perovskite)... homogenous thickness 1.6 nm and exhibited colors from white to yellow, depending on nitridation temperature... desirable semiconductor property of tunable visible bandgap ranging from 2.03–2.63 eV, based on nitridation temperature... photocatalysis (water splitting), electrocatalysts, photoluminescence and electronics"

Related: Reviewing the state of research into 2D noble metal-based intermetallic compound electrocatalysts

https://phys.org/news/2023-12-state-2d-noble-metal-based-intermetallic.html