Luminescence and Electron–Hole-Trapping Centers in &...
At a temperature of 300 K, irradiated 𝐶𝑎2𝑃2𝑂7Ca2P2O7 with photons of 6.2 eV (200 nm) generates electron–hole pairs 𝑒+(𝑃2𝑂7)3−e+(P2O7)3−- 𝑒−e−. Upon the transition from 6A16A1 to 4T14T1 in the 𝑀𝑛2+Mn2+ ion, an emission band occurs ...