Optical properties of Eu2+-doped KLuS2 phosphor

- Structural and optical characteristics of novel Eu2+-doped KLuS2 phosphor reported.
- Concentration and temperature dependences of Eu2+ emission features investigated.
- Phenomenological model set up to explain observed temperature dependences.
- Delayed recombination measurements employed to understand excited state dynamics.
- The application potential of KLuS2:Eu in white LEDs and X-ray phosphors discussed.