Silver fractal networks for surface-enhanced Raman scattering substrates

Silver fractal networks for surface-enhanced Raman scattering substrates
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DOI:
10.1016/j.apsusc.2008.02.060
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发表时间:
2008-06
影响因子:
6.7
通讯作者:
--
中科院分区:
材料科学1区
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--
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基于扩散限制聚集过程,证明了一种方便的纳米技术可以在表面增强拉曼散射(SERS)活性衬底上获得大型银分形网络。银分形网络具有SERS增强因子高、动态范围大的特点。观察到的SERS效率可以用相对于单粒子等离子体共振的强局部化等离子体模式来解释。
Based on diffusion-limited aggregation process, a convenient nanotechnique is demonstrated to obtain large silver fractal networks for a surface-enhanced Raman scattering (SERS)-active substrate. The silver fractal networks are of high SERS enhancement factor, large dynamical range. The observed SERS efficiency can be explained in terms of strongly localized plasmon modes relative to the single particle plasmon resonance.
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