Nd3+-doped TiO2 powders were prepared by the sol-gel method. Their crystal pattern and parameter, the specific surface area, the surface chemical state of Ti an
The green phosphor for white LED, Ca8Mg(SiO4)4C12:Eu^2+ , Mn^2+, was synthesized by high temperature solid state reaction under reducing atmosphere. During the
Ca2Gd8(SiO4)6O2∶ A(A=Pb2+, Tm3+)phosphors were prepared through the sol-gel process. X-ray diffraction(XRD), scanning electron microscopy(SEM)and photoluminesc