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Raman amplification in the ultra-small limit of Ag nanoparticles on SiO(2) and graphene: Size and inter-particle distance effects
Size, shape and hot spots are crucial to optimize Raman amplification from metallic nanoparticle (NPs). The amplification from radius = 1.8 ± 0.4 nm ultra-small silver NPs was explored. Increasing NP density redshifts and widens their plasmon that, according to simulations for NPs arrays, is origina...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7116317/ https://www.ncbi.nlm.nih.gov/pubmed/33154608 http://dx.doi.org/10.1016/j.matdes.2020.108702 |