Core-shell nanoparticle of silver coated with light-emitting rubrene

Surface plasmon enhanced photoluminescence

Yoon Deok Han, Jin Woo Lee, Dong Hyuk Park, Seung Ho Yang, Bo Kyung Kim, Jeongyong Kim, Jinsoo Joo

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Silver (Ag) nanoparticles (NPs) with a diameter of 50-100 nm were fabricated by using a reduction process of silver nitrate with sodium citrate. Using the Ag NPs, hybrid core (Ag)-shell (organic light-emitting rubrene) NPs were prepared through a hydrothermal process. The formation of hybrid core-shell NP of Ag-rubrene was confirmed through transmission electron microscope images. From ultraviolet and visible absorption spectra, the Ag and rubrene characteristic peaks were simultaneously observed for the core-shell NPs. Using a high-resolution laser confocal microscope (LCM), the photoluminescence (PL) intensity of the Ag-rubrene core-shell single NP was about 300 times higher than that of the rubrene single NP. This remarkable enhancement of PL efficiency in the core-shell single NP is due to the energy transfer effect in the surface plasmon resonance coupling between Ag and rubrene materials.

Original languageEnglish
Pages (from-to)2103-2106
Number of pages4
JournalSynthetic Metals
Volume161
Issue number19-20
DOIs
Publication statusPublished - 2011 Oct 1

Fingerprint

Silver
Photoluminescence
silver
Nanoparticles
photoluminescence
nanoparticles
Silver Nitrate
silver nitrates
rubrene
ultraviolet absorption
Surface plasmon resonance
citrates
visible spectrum
surface plasmon resonance
Energy transfer
Absorption spectra
Nitrates
Microscopes
Electron microscopes
electron microscopes

Keywords

  • Core-shell
  • Nanoparticle
  • Photoluminescence
  • Rubrene
  • Silver
  • Surface plasmon

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Chemistry
  • Metals and Alloys
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Core-shell nanoparticle of silver coated with light-emitting rubrene : Surface plasmon enhanced photoluminescence. / Han, Yoon Deok; Lee, Jin Woo; Park, Dong Hyuk; Yang, Seung Ho; Kim, Bo Kyung; Kim, Jeongyong; Joo, Jinsoo.

In: Synthetic Metals, Vol. 161, No. 19-20, 01.10.2011, p. 2103-2106.

Research output: Contribution to journalArticle

Han, Yoon Deok ; Lee, Jin Woo ; Park, Dong Hyuk ; Yang, Seung Ho ; Kim, Bo Kyung ; Kim, Jeongyong ; Joo, Jinsoo. / Core-shell nanoparticle of silver coated with light-emitting rubrene : Surface plasmon enhanced photoluminescence. In: Synthetic Metals. 2011 ; Vol. 161, No. 19-20. pp. 2103-2106.
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