Study of Two-dimensional Highly-ordering of Gold Nanoparticles for an Optical Sensor Using Surface Plasmon Excitation as an Assistance Effect

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  • SHIBAMOTO Kohei
    Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University
  • YASUMURO Syunsuke
    Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University
  • HORIUCHI Kentaro
    Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University
  • TERAOKA Takuma
    Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University
  • FUJITA Takashi
    Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University

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Other Title
  • 金ナノ微粒子の二次元配列体の光センサー応用のための表面プラズモン励起による高秩序配列化支援に関する検討
  • キン ナノ ビリュウシ ノ ニジゲン ハイレツタイ ノ ヒカリ センサー オウヨウ ノ タメ ノ ヒョウメン プラズモンレイキ ニ ヨル コウチツジョ ハイレツカ シエン ニ カンスル ケントウ

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Abstract

We succeeded to fabricate a two-dimensional array of gold nanoparticles with high-ordering by using the surface plasmon excitation of gold nanoparticles for enhancing the repulsive force and controlling the aggregation through the process of fabrication. From SEM observations and spectroscopic measurements, we evaluated the order of the two-dimensional array of gold nanoparticles while taking account of particle isolation. Moreover, the high-ordering of the two-dimensional array provides higher sensitivity and higher reproducibility of Raman measurements. From these results, it is expected that our fabricated two-dimensional array of gold nanoparticles will lead to applications for a molecular sensor.

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 63 (4), 293-298, 2014

    The Japan Society for Analytical Chemistry

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