Highly efficient orange luminescence in Sn2+-doped Cs2AgInCl6 double perovskite with a large Stokes shift

Cs 2 AgInCl 6 : x Sn 2+ with orange luminescence exhibits a large Stokes shift (360 nm) and enhanced PLQY in the visible range. The fabricated WLED shows an appropriate CCT and high R a , indicating its potential application in optoelectronic devices.