The results of the photo- and cathodoluminescence studies in ZnO nanopowders and ceramics were reported. The luminescence due to exciton annihilation was studied in undoped and Al, Co, Eu doped ZnO nanopowders obtained by sol-gel, microwave-driven hydrothermal, plasma synthesis methods and vaporization-condensation in Solar reactor. Luminescence depends on nanopowder morphology. The results of luminescence studies were compared with those obtained for commercial ZnO powder. The ZnO ceramics was sintered from different raw powders. The grain size of obtained ceramics was estimated from SEM images. The luminescence properties of ceramics obtained with different sintering parameters was studied. The decay times and light yield was analyzed. It is shown that fast scintillating ceramics will be prepared from nanostructured raw material.

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