One-step fabrication of Au-Ag alloys and its application for catalysts and SERS sensors

被引：7

作者：

Wei, Wenxian ^{[1
]}

Yu, Dan ^{[2
]}

Du, Yu ^{[2
]}

Ding, Yicheng ^{[2
]}

Huang, Qingli ^{[2
]}

机构：

[1] Yangzhou Univ, Testing Ctr, Yangzhou 225009, Jiangsu, Peoples R China

[2] Xuzhou Med Univ, Publ Expt Res Ctr, Xuzhou 221004, Jiangsu, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2022年 / 267卷

基金：

中国国家自然科学基金;

关键词：

Au-Ag alloy; Catalysis; Hydrothermal; Surface-enhanced Raman spectroscopy; SILVER NANOPARTICLES; GREEN SYNTHESIS; LABEL-FREE; REDUCTION; GOLD; FACILE; PERFORMANCE; NANOSTRUCTURES; RESIDUES; HYBRIDS;

D O I：

10.1016/j.saa.2021.120476

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Au-Ag alloy nanoparticles (NPs) with controllable size and composition were synthesized by a facile, one-pot hydrothermal method. Various characterization techniques including TEM, UV-vis, EDX, HAADF-STEM and XPS were used to discuss the influencing factors for the size and composition of Au-Ag alloy NPs. It is obvious that the size and composition of Au-Ag alloy NPs could be adjusted by the experimental parameters. Catalytic and SERS performance of the Au-Ag alloy NPs were further investigated. Ideal cat-alytic and SERS performance could be also obtained via optimizing the size and composition of Au-Ag alloy. This work is of importance in theory research and practical application of the noble metal nanocomposites. (c) 2021 Elsevier B.V. All rights reserved.

引用

页数：8

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