Maryam Hajiebrahimi - MSc Student, Faculty of Materials and Metallurgical Engineering, Semnan University, Semnan, Semnan, Iran
Sanaz Alamdari - Assistant Professor, Department of Nano Electronics, Faculty of Nanotechnology, Semnan University, Semnan, Semnan, Iran
Omid Mirzaee - Professor, Department of Ceramic , Faculty of Materials and Metallurgical Engineering, Semnan University, Semnan, Semnan, Iran
Mohammad Tajally - Associate Professor, Department of Industrial Metallurgy, Faculty of Materials and Metallurgical Engineering, Semnan University, Semnan, Semnan, Iran

Novel luminous materials are always required in solid-state light-emitting diodes and displays applications. In this regard, the current study investigated the luminescence properties of cerium-doped zinc oxide/cadmium tungstate (ZnO/CdWO۴: Ce) nanocomposite particles under proton, laser, and gamma-ray excitations. The XRD results revealed the simultaneous existence of monoclinic CWO and hexagonal ZnO. Doped nanocomposite particles under proton/laser irradiations displayed significant luminescence in the blue-green region compared with the pure nanocomposite. In addition, Thermo-Luminescence (TL) study of the doped pellet showed a stronger glow peak at ۳۵۰-۴۰۰ °C. According to the TEM, the doped nanoparticles had an average diameter of ۷۰-۱۵۰ nanometers. The existence of Zn, O, Cd, W, and Ce elements in the composites was confirmed by the EDX technique. The obtained results showed that the produced ZnO/CWO: Ce nanocomposite particles could be promising materials to be used in optoelectronic devices.

ZnO, CdWO۴, Ce dopant, Nanocomposite, Emission, Optical response