Abstract

Au@CdO core/shell nanocomposite was prepared using Pulsed Laser Ablation in Liquids (PLAL) via one step-process. A nanosecond pulsed laser (Nd:YAG, λ = 1064 nm) was used to ablate Cd sheet immersed in HAuCl4 solution. The surface plasmon resonance (SPR) using UV–vis absorption spectroscopy was employed to monitor the fast changes occurring in the NP colloidal solutions upon interaction between Cd sheets and Au precursor. The structure of the as-prepared samples was confirmed by high resolution transmission electron microscope (HRTEM) analysis and energy dispersion X-Ray spectroscopy (EDX) analysis. A mechanism for the growth of Au@CdO core/shell nanocomposite was given.

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