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ZnO, ZnO-Zn, ZnO-Al0.10-Zn and ZnO-Al0.15-Zn are deposited on glass substrates by radio frequency and direct current magnetron co-sputtering. Photoluminescence (PL) measurements show that the optical performances of samples are strongly dependent on both Al and Zn incoprations. The origin of the defect-related PL emission has been investigated for a long time. Several different hypotheses have been...
ZnO/Ag nanocomposites have been prepared by two-step reduction method. Firstly, ZnO core seeds were prepared by the reaction of zinc acetate with KOH under magnetic stirring condition in the presence of poly (N-vinyl-2-pyrrolidone) (PVP). Then, Ag nanoparticles were overgrown on ZnO core seeds with reduction by PVP. ZnO/Ag nanocomposites were characterized by TEM, photoluminescence, UV–visible absorption...
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