An original planar multireflection system for sensing using the local surface plasmon resonance of gold nanospheres

K. Hamamoto, R. Micheletto, M. Oyama, Ali Umar Akrajas, S. Kawai, Yoichi Kawakami

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

We realized a planar multireflection glass system to investigate the localized surface plasmon resonance (LSPR) of gold nanoparticles. These nanospheres were realized in situ using an original and simple chemical growth method that is described. We were able to observe resonance phenomena as reflected by variations in the spectrum and as enhancements in the refractive index sensing ability. The system was able to clearly discern 2% sucrose solution and demonstrated outstanding linearity and reproducibility. We believe this study could be useful for elucidating the fundamental processes in nanoparticle LSPR and contribute to the realization of new and more efficient sensors.

Original languageEnglish
Pages (from-to)268-271
Number of pages4
JournalJournal of Optics A: Pure and Applied Optics
Volume8
Issue number3
DOIs
Publication statusPublished - 1 Mar 2006
Externally publishedYes

Fingerprint

Nanospheres
Surface plasmon resonance
surface plasmon resonance
Gold
gold
Nanoparticles
nanoparticles
sucrose
Sugar (sucrose)
linearity
Sucrose
Refractive index
refractivity
Glass
augmentation
glass
sensors
Sensors

Keywords

  • Chemical growth
  • LSPR
  • Multireflection
  • Nanosphere
  • Resonance sensors
  • Surface plasmon

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

An original planar multireflection system for sensing using the local surface plasmon resonance of gold nanospheres. / Hamamoto, K.; Micheletto, R.; Oyama, M.; Akrajas, Ali Umar; Kawai, S.; Kawakami, Yoichi.

In: Journal of Optics A: Pure and Applied Optics, Vol. 8, No. 3, 01.03.2006, p. 268-271.

Research output: Contribution to journalArticle

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