期刊
APPLIED PHYSICS EXPRESS
卷 14, 期 4, 页码 -出版社
IOP Publishing Ltd
DOI: 10.35848/1882-0786/abe656
关键词
Ion implantation; Ag nanoparticles; Localized surface plasmon resonance; Refractive index
资金
- Natural Science Foundation of China [11675120, 11535008]
Implanting 30 keV silver ions at a fluence of 6 x 10(16) ionscm(-2) into SiO2, Al2O3, and YAG resulted in nanocomposite layers embedded with silver nanoparticles sensitive to the refractive index of overlays. Dropping liquids with different refractive indices on the surface of nanocomposite layers led to a shift in reflection spectra. Samples with YAG as the substrate showed better performance and potential applications in localized surface plasmon resonance sensors.
Based on 30 keV silver ions at a fluence of 6 x 10(16) ionscm(-2) implanted into SiO2, Al2O3 and YAG, we found that the nanocomposite layers embedded with silver nanoparticles are sensitive to the refractive index of overlays on the implanted surface. By dropping liquids with different refractive indices on the surface of nanocomposite layer, the reflection spectra of the rear surface would shift. The sample with YAG as the substrate has better performance by comparing with the other two samples. The prepared structures have the advantages of simple structure and stable performance, which has potential applications in localized surface plasmon resonance sensors.
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