Control of sub-nm spacing of gold nanoparticle dimers and wide-range tunability of localized surface plasmon resonance

Ryo Ishii, Keiko Esashika, Toshiharu Saiki

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Toward near-infrared high-color-contrast bioimaging, we developed a method to form Au nanoparticle (AuNP) dimers based on the surface modification of AuNP with a self-assembled monolayer (SAM), as an alternative candidate of gold nanorod (AuNR), which is covered with a toxic CTAB bilayer. Tailoring of the chain length of alcanethiol SAM enables highly controllable and sub-1 nm spacing between AuNPs, and thereby wide-range tunability of localized surface plasmon resonance.

Original languageEnglish
Title of host publicationOptics and Photonics Japan, OFJ 2017
PublisherOptica Publishing Group (formerly OSA)
ISBN (Electronic)9781557528209
Publication statusPublished - 2017
EventOptics and Photonics Japan, OFJ 2017 - Tokyo, Japan
Duration: 2017 Oct 302017 Oct 31

Publication series

NameOptics InfoBase Conference Papers

Conference

ConferenceOptics and Photonics Japan, OFJ 2017
Country/TerritoryJapan
CityTokyo
Period17/10/3017/10/31

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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