High-sensitivity surface plasmon resonance sensors utilizing high-refractive-index silver nanoparticle sheets

Daisuke Tanaka, Shuhei Shinohara, Eiji Usukura, Pangpang Wang, Koichi Okamoto, Kaoru Tamada

研究成果: Article査読

10 被引用数 (Scopus)

抄録

We propose an idea for improving the angular sensitivity of Kretschmann-type surface plasmon resonance (SPR) sensors through the use of highrefractive- index silver nanoparticle (AgNP) sheets on metal substrates. According to Fresnel simulations, the angular sensitivity will be improved threefold by using the multilayered AgNP coating on gold or silver substrates. We confirmed the validity of this method by a model measurement with a SiO 2 sputtered film, which has a refractive index similar to that of organic or biological molecules. This simple technique will contribute to realizing a high-sensitivity SPR sensor, especially for the detection of small molecules.

本文言語English
論文番号01AF01
ジャーナルJapanese journal of applied physics
53
1 PART 2
DOI
出版ステータスPublished - 2014
外部発表はい

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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