Cr3+-activated Na3X2Li3F12 (X=Al, Ga, In) garnet phosphors with broadband NIR emission and high luminescence efficiency for potential biomedical application

With the repaid development of NIR pc-LED, it is urgent to develop novel NIR phosphor with broadband emission, strong luminescence and high thermal stability. Here, three isotypic garnet fluorides Na3X2Li3F12...