Fabrication of noble-metal nanoparticle-doped SiO 2-B 2O 3-P 2O 5 waveguide films

Hunhyeong Lee, Minkyung Kang, William T. Nichols, Dongwook Shin

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this article, we report the fabrication and the characterization of Pt/SiO 2-B 2O 3-P 2O 5 and Au/SiO 2-B 2O 3-P 2O 5 composite thin films suitable for planar lightwave circuits (PLCs). The host material was prepared by using flame hydrolysis deposition (FHD). Platinum was doped from colloidal solutions with concentrations of 500, 1000, and 2000 ppm. Gold was doped by sputtering with various deposition times. The samples displayed absorption peaks originating from the surface plasmon resonance (SPR) of the dopant metal particles. With increasing dopant particle size, the absorption peak shifted toward longer wavelength, and the full width at half maximum (FWHM) of the absorption band broadened. The Maxwell-Garnett theory was used to explain the size dependence of the plasmon peaks. The dopant metal particles were found to order as a monolayer within the silica matrix, opening the possibility for surface-plasmon-resonance-based waveguiding in optical devices.

Original languageEnglish
Pages (from-to)1344-1348
Number of pages5
JournalJournal of the Korean Physical Society
Volume60
Issue number9
DOIs
StatePublished - 2012 May 1

Fingerprint

noble metals
metal particles
waveguides
surface plasmon resonance
nanoparticles
fabrication
hydrolysis
flames
platinum
sputtering
gold
silicon dioxide
absorption spectra
composite materials
matrices
thin films
wavelengths

Keywords

  • Metal nanoparticles
  • Nonlinear properties
  • Optical waveguide
  • PLC
  • SPR

Cite this

Lee, Hunhyeong ; Kang, Minkyung ; Nichols, William T. ; Shin, Dongwook. / Fabrication of noble-metal nanoparticle-doped SiO 2-B 2O 3-P 2O 5 waveguide films. In: Journal of the Korean Physical Society. 2012 ; Vol. 60, No. 9. pp. 1344-1348.
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Fabrication of noble-metal nanoparticle-doped SiO 2-B 2O 3-P 2O 5 waveguide films. / Lee, Hunhyeong; Kang, Minkyung; Nichols, William T.; Shin, Dongwook.

In: Journal of the Korean Physical Society, Vol. 60, No. 9, 01.05.2012, p. 1344-1348.

Research output: Contribution to journalArticle

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AB - In this article, we report the fabrication and the characterization of Pt/SiO 2-B 2O 3-P 2O 5 and Au/SiO 2-B 2O 3-P 2O 5 composite thin films suitable for planar lightwave circuits (PLCs). The host material was prepared by using flame hydrolysis deposition (FHD). Platinum was doped from colloidal solutions with concentrations of 500, 1000, and 2000 ppm. Gold was doped by sputtering with various deposition times. The samples displayed absorption peaks originating from the surface plasmon resonance (SPR) of the dopant metal particles. With increasing dopant particle size, the absorption peak shifted toward longer wavelength, and the full width at half maximum (FWHM) of the absorption band broadened. The Maxwell-Garnett theory was used to explain the size dependence of the plasmon peaks. The dopant metal particles were found to order as a monolayer within the silica matrix, opening the possibility for surface-plasmon-resonance-based waveguiding in optical devices.

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