Synthesis and luminescence properties of Li2SnO3:Mn4+ red-emitting phosphor for solid-state lighting

PLE and PL spectra of novel Li2SnO3:Mn4+ red-emitting phosphor, the picture of Li2SnO3:Mn4+ phosphor under 365 nm UV lamp, the unit cell of Li2SnO3, and LED devices based on blue (∼460 nm) chip + Li2SnO3:0.4%Mn4+ phosphor without or with YAG:Ce phosphor.205