Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 267, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2021.120476
Keywords
Au-Ag alloy; Catalysis; Hydrothermal; Surface-enhanced Raman spectroscopy
Categories
Funding
- National Natural Science Foundation of China [21505118]
- Natural Science Foundation of Jiangsu Province of China [BK 20150438]
- Postdoctoral Research Funding Program of Jiangsu Province of China [1701133C]
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Au-Ag alloy nanoparticles with controllable size and composition were synthesized using a facile, one-pot hydrothermal method. The size and composition of the nanoparticles could be adjusted by experimental parameters, affecting their catalytic and SERS performance. By optimizing the size and composition of the Au-Ag alloy, ideal performance could be achieved.
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.
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