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We investigate the fluorescence properties of dye molecules embedded in core-shell plasmonic nanoparticles. The absorption and emission dynamics of the dyes may be modified by engineering the plasmonic resonance of the core-shell structure.
The formation and colloidal stability of zinc oxide nanoparticles, with a mean size smaller than 5 nm, produced under pulsed laser ablation of a zinc metal target in different liquid environments of NaOH and KOH solutions, is reported. Using the 532 nm harmonic of Nd:YAG laser with 65 mJ/p, ZnO nanoparticles were produced only at low concentrations of NaOH. On the other hand at pH>10 and energies...
Effects of liquid surrounding on production, initial size, colloidal stability and optical properties of zinc and zinc oxide nanoparticles, synthesized by pulsed laser ablation method in different liquid environments are studied. In this work, Zn and ZnO nanoparticles were produced by 532 nm harmonic of a Nd:YAG laser ablation of a pure zinc metal target in different aqueous solutions of deionized...
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