Preparation and surface enhanced raman spectroscopic studies on Au-Ag alloy nanoparticles

被引：0
|
作者：
Jin, Yi-Liang [1 ]
Yao, Jian-Lin [1 ]
Gu, Ren-Ao [1 ]
机构：
[1] Department of Chemistry, Suzhou University, Suzhou 215123, China
来源：
Guang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysis | 2008年 / 28卷 / 06期
关键词：
Spectroscopic analysis - Ultraviolet visible spectroscopy - Gold alloys - Pyridine - Silver alloys - Nanoparticles - Raman spectroscopy - Nitrogen compounds;
D O I：
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中图分类号：
学科分类号：
摘要：
Using citrate as protector, Au-Ag alloy nanoparticles with different molar ratios were prepared by using hydrazine as the reducer, One plasmon band between that of monometallic Ag and Au observed in their UV-Vis spectra indicated the formation of Au-Ag alloy nanoparticles. TEM results showed diameters about 25 nm and homogeneous color of the alloy nanoparticles without clear core-shell contrast. By using Pyridine as the probe molecules, SERS studies were performed. The results indicated the spectra of Pyridine adsorbed on alloy is different from that of Ag and Au.
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页码：1309 / 1311
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