Phosphor

Materials science

Chromatography

Nuclear magnetic resonance

Physics

Doping

Luminescence

Enzyme

Analytical Chemistry (journal)

Thermostability

Chemistry

Optoelectronics

Materials Chemistry Frontiers

We demonstrate an strategy for improving the luminescence thermostability by tuning site symmetry in the SrGa12O19–LaMgGa11O19:Cr3+ system. End-member SrGa12O19:Cr3+ with 45% EQE has potentials in high-power and efficient NIR pc-LED applications.

Site engineering strategy toward enhanced luminescence thermostability of a Cr3+-doped broadband NIR phosphor and its application