Nanostructured metal coatings for surface-enhanced Raman spectroscopy (SERS) prepared by means of low-pressure plasma

被引：9
作者：
Anna, Kuzminova [1 ]
Subr, Martin [2 ]
Kylian, Ondrej [1 ]
Kus, Peter [3 ]
Hanus, Jan [1 ]
Prochazka, Marek [2 ]
机构：
[1] Charles Univ Prague, Fac Math & Phys, Dept Macromol Phys, V Holesovickach 2, CR-18000 Prague, Czech Republic
[2] Charles Univ Prague, Fac Math & Phys, Inst Phys, Ke Karlovu 5, Prague 12116, Czech Republic
[3] Charles Univ Prague, Fac Math & Phys, Dept Surface & Plasma Sci, V Holesovickach 2, CR-18000 Prague, Czech Republic
来源：
VACUUM | 2019年 / 170卷
关键词：
Magnetron sputtering; Surface-enhanced Raman scattering; SERS; Nanostructured metallic coatings; SILVER NANOPARTICLES; SCATTERING; AG; GROWTH; AU; MOLECULES; RESONANCE; SPECTRA; PYRIDINE;
D O I：
10.1016/j.vacuum.2019.108951
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Development of surface-enhanced Raman scattering (SERS)-based sensing platforms has recently received increasing attention, which relates mainly to the improvement of the Raman detection sensitivity. The commonly studied SERS platforms are based on Ag or Au nanostructures that both exhibit localized surface plasmon resonance (LSPR) responsible for SERS enhancement in the visible spectral region. In this study we demonstrate that sequential deposition of Ag and Au significantly enhances SERS signal as compared to single metal nanostructured coatings, which is connected with the possibility to increase LSPR intensity without alteration of its position in the case of Au/Ag coatings.
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页数：6
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