Au@CdO core/shell nanoparticles synthesized by pulsed laser ablation in Au precursor solution

被引：52
|
作者：
Mostafa, Ayman M. [1 ,2 ]
Yousef, Samir A. [3 ]
Eisa, Wael H. [2 ]
Ewaida, Mahmoud A. [3 ]
Al-Ashkar, Emad A. [1 ,2 ]
机构：
[1] Natl Res Ctr, Ctr Excellence Adv Sci, Laser Technol Unit, Cairo, Egypt
[2] Natl Res Ctr, Phys Div, Spect Dept, Cairo, Egypt
[3] Menoufia Univ, Fac Sci, Phys Dept, Cairo, Egypt
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2017年 / 123卷 / 12期
关键词：
CORE-SHELL NANOPARTICLES; OXIDE NANOPARTICLES; OPTICAL-PROPERTIES; FE; NANOALLOYS; GOLD; SIZE;
D O I：
10.1007/s00339-017-1354-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Au@CdO core/shell nanocomposite was prepared using Pulsed Laser Ablation in Liquids (PLAL) via one step-process. A nanosecond pulsed laser (Nd:YAG, lambda = 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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页数：9
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