Preparation of LiZn0.9PO4:Mn0.1·H2O via a simple and novel method and its non-isothermal kinetics using iso-conversional calculation procedure

► LiZn0.9PO4:Mn0.1·H2O was obtained via solid-state reaction at room temperature and normal pressure. ► The thermal process of LiZn0.9PO4:Mn0.1·H2O experienced two steps. ► Thermal dehydration of LiZn0.9PO4:Mn0.1·H2O is random nucleation and subsequent growth mechanism. ► The activation energies for the thermal decomposition of LiZn0.9PO4:Mn0.1·H2O were determined. ► The calcined product, LiZn0.9PO4:Mn0.1 is a green-yellow emitting phosphor.