Citation: LIU Xiao-Yu, ZHANG Dong-Jie, ZHANG Hui-Juan, ZHANG Cong-Yun, LIU Ya-Qing. Synthesis of Au@Ag Core-Shell Nanoparticles for Sensitive Surface-Enhanced Raman Scattering by Precisely Adjust Its Morphology[J]. Chinese Journal of Inorganic Chemistry, ;2018, 34(4): 712-718. doi: 10.11862/CJIC.2018.012 shu

Synthesis of Au@Ag Core-Shell Nanoparticles for Sensitive Surface-Enhanced Raman Scattering by Precisely Adjust Its Morphology

Shanxi Province Key Laboratory of Functional Nanocomposites, School of Materials Science and Engineering, North University of China, Taiyuan 030051, China

Corresponding author: ZHANG Cong-Yun, z.congyun@nuc.edu.cn LIU Ya-Qing, lyq@nuc.edu.cn
Received Date: 5 July 2017
Revised Date: 12 September 2017

Figures(7)

Au@Ag core-shell nanoparticles were prepared by seed-mediated growth method. The plasmon resonance properties of the core-shell nanoparticles are highly dependent on the size and shape of the core and thickness of the shell, which could be simply adjusted by varying the concentration of HAuCl₄ and the volume of AgNO₃. The prepared core-shell nanoparticles exhibit excellent SERS performance as substrate to detect rhodamine 6G (R6G). In addition, the precise control of core-shell morphologies (core size and shape, the thickness of the shell) is of significant importance as it strongly determines the overall SERS performance in micro chemical detection.
- Au@Ag core-shell nanoparticles,
- SERS,
- rhodamine 6G
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