1.Terbium Oxide has important role as an activator for green phosphors used in color TV tubes.
2.Terbium Oxide is also used in special lasers and as a dopant in solid-state devices.
3.Terbium Oxide is also frequently used as a dopant for crystalline solid-state devices and fuel cell materials.
4.Terbium Oxide is one of the chief commercial Terbium compounds. Produced by heating the metal Oxalate,Terbium Oxide is then used
5.Terbium oxide is also an important compound for ceramic, electronic and optics products.