A novel Mn2+ doped ScTaO4 dual-emitting phosphor for high temperature optical thermometry

A novel ScTaO 4 :Mn 2+ dual-emitting phosphor has been synthesized. It achieved white light emission by Mn 2+ doping optimization. The highest S r reach 2.1% K −1 at 523 K, which makes it a potential candidate material for optical thermometry.