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首页> 外文期刊>Physica status solidi >Plasmonic resonances in nanostructured gold/polymer surfaces by colloidal lithography
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Plasmonic resonances in nanostructured gold/polymer surfaces by colloidal lithography

机译：胶体光刻技术在纳米结构金/聚合物表面的等离子体共振

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摘要

We investigate nanostructured surfaces consisting of a hexagonal lattice of polymeric pillars embedded in a gold matrix. These systems are prepared by a new fabrication technique based on plasma assisted deposition and colloidal lithography. A complete characterization of such surfaces is performed by angle resolved reflectance and transmittance measurements. Both delocalized and localized plasmonicrnmodes can be identified: their reciprocal interplay allows to observe spectral features and to detect refractive index changes related to one of the sample interfaces by measurements performed with a light beam incident from the opposite side. This intriguing behaviour, together with ease of use and low cost of the deposition procedure, make this kind of nano-structures particularly interesting in biosensing applications.
机译：我们研究纳米结构的表面，该表面由嵌入金基质中的聚合物柱的六边形格子组成。这些系统是通过基于等离子体辅助沉积和胶体光刻的新制造技术制备的。通过角度分辨的反射率和透射率测量可以对这些表面进行完整的表征。可以识别离域和局域等离子体模式：它们的相互影响允许观察光谱特征并通过对从另一侧入射的光束进行测量来检测与样品界面之一有关的折射率变化。这种令人着迷的行为，加上易用性和沉积过程的低成本，使得这种纳米结构在生物传感应用中特别令人感兴趣。

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  • 来源
    《Physica status solidi》 |2010年第4期|P.935-942|共8页
  • 作者

    Silvia Giudicatti; Andrea Valsesia; Franco Marabelli; Pascal Colpo; Francois Rossi;

  • 作者单位

    Dipartimento di Fisica 'A. Volta', Universita degli Studi di Pavia, via Bassi 6, 27100 Pavia, Italy;

    rnPlasmore S.r.l., Via Deledda 4,21020 Ranco (Varese), Italy;

    rnDipartimento di Fisica 'A. Volta', Universita degli Studi di Pavia, via Bassi 6, 27100 Pavia, Italy;

    rnInstitute for Health and Consumer Protection, Joint Research Centre of the European Commission, via Fermi 1, 21020 Ispra (Varese), Italy;

    rnInstitute for Health and Consumer Protection, Joint Research Centre of the European Commission, via Fermi 1, 21020 Ispra (Varese), Italy;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    plasmons; optical properties; nanostructured surfaces; lithography;

    机译：等离子体激元光学性质纳米结构表面;光刻技术;

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