Immobilization of gold nanoparticles on optical waveguides with organosilane monolayer

Takuya Nakanishi; Harumi Takada; Hironori Iida; Mayuki Kajiura; Tetsuya Osaka

doi:10.1016/j.colsurfa.2007.04.159

Immobilization of gold nanoparticles on optical waveguides with organosilane monolayer

Takuya Nakanishi, Harumi Takada, Hironori Iida, Mayuki Kajiura, Tetsuya Osaka^*

^*この研究の対応する著者

研究成果: Article › 査読

2 被引用数 (Scopus)

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Synthesis of Au nanoparticles (NPs) and their immobilization on optical waveguide (OWG) made of quartz plate were carried out aiming at application to sensing. Au NPs with diameters of ∼5 nm and ∼20 nm were synthesized by reduction of tetrachloroaurate ions with borohydride and immobilized on quartz OWG coated with monolayer of organosilane. With the OWG spectroscopy, the surface plasmon absorption of the Au NPs immobilized on OWG was suggested to be influenced by the particle size and the interparticle distance and to response to the refractive index of nanoparticle proximity sensitively.

本文言語	English
ページ（範囲）	234-238
ページ数	5
ジャーナル	Colloids and Surfaces A: Physicochemical and Engineering Aspects
巻	313-314
DOI	https://doi.org/10.1016/j.colsurfa.2007.04.159
出版ステータス	Published - 2008 2月 1

ASJC Scopus subject areas

表面および界面
物理化学および理論化学
コロイド化学および表面化学

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10.1016/j.colsurfa.2007.04.159

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title = "Immobilization of gold nanoparticles on optical waveguides with organosilane monolayer",

abstract = "Synthesis of Au nanoparticles (NPs) and their immobilization on optical waveguide (OWG) made of quartz plate were carried out aiming at application to sensing. Au NPs with diameters of ∼5 nm and ∼20 nm were synthesized by reduction of tetrachloroaurate ions with borohydride and immobilized on quartz OWG coated with monolayer of organosilane. With the OWG spectroscopy, the surface plasmon absorption of the Au NPs immobilized on OWG was suggested to be influenced by the particle size and the interparticle distance and to response to the refractive index of nanoparticle proximity sensitively.",

keywords = "Gold nanoparticle, Immobilization, Optical waveguide spectroscopy, Surface plasmon resonance",

author = "Takuya Nakanishi and Harumi Takada and Hironori Iida and Mayuki Kajiura and Tetsuya Osaka",

note = "Funding Information: This work was carried out in the Consolidated Research Institute for Advanced Science and Medical Care, Waseda University (ASMeW), which was financially supported by the Encouraging Development of Strategic Research Centers Program, MEXT, Japan.",

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doi = "10.1016/j.colsurfa.2007.04.159",

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T1 - Immobilization of gold nanoparticles on optical waveguides with organosilane monolayer

AU - Nakanishi, Takuya

AU - Takada, Harumi

AU - Iida, Hironori

AU - Kajiura, Mayuki

AU - Osaka, Tetsuya

N1 - Funding Information: This work was carried out in the Consolidated Research Institute for Advanced Science and Medical Care, Waseda University (ASMeW), which was financially supported by the Encouraging Development of Strategic Research Centers Program, MEXT, Japan.

PY - 2008/2/1

Y1 - 2008/2/1

N2 - Synthesis of Au nanoparticles (NPs) and their immobilization on optical waveguide (OWG) made of quartz plate were carried out aiming at application to sensing. Au NPs with diameters of ∼5 nm and ∼20 nm were synthesized by reduction of tetrachloroaurate ions with borohydride and immobilized on quartz OWG coated with monolayer of organosilane. With the OWG spectroscopy, the surface plasmon absorption of the Au NPs immobilized on OWG was suggested to be influenced by the particle size and the interparticle distance and to response to the refractive index of nanoparticle proximity sensitively.

AB - Synthesis of Au nanoparticles (NPs) and their immobilization on optical waveguide (OWG) made of quartz plate were carried out aiming at application to sensing. Au NPs with diameters of ∼5 nm and ∼20 nm were synthesized by reduction of tetrachloroaurate ions with borohydride and immobilized on quartz OWG coated with monolayer of organosilane. With the OWG spectroscopy, the surface plasmon absorption of the Au NPs immobilized on OWG was suggested to be influenced by the particle size and the interparticle distance and to response to the refractive index of nanoparticle proximity sensitively.

KW - Gold nanoparticle

KW - Immobilization

KW - Optical waveguide spectroscopy

KW - Surface plasmon resonance

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JO - Colloids and Surfaces A: Physicochemical and Engineering Aspects

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Immobilization of gold nanoparticles on optical waveguides with organosilane monolayer

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