Nanoscale photoluminescence of light-emitting poly (3-methylthiophene) nanotubes hybridized with Au nanoparticles

Dong Hyuk Park, Young Ki Hong, Mi Suk Kim, Eun Hei Cho, Won Jun Choi, Kyung Ho Kim, Q Han Park, Dae Chul Kim, Hugeun Song, Jeongyong Kim, Jinsoo Joo

Research output: Contribution to journalArticle

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Abstract

We reported on the fabrication and nanoscale luminescence characteristics of the hybrid nanotubes (NTs) of light-emitting poly (3-methylthiophene) (P3MT) NT with gold (Au) nanoparticles (NPs) (P3MT/Au-NPs). After hybridizing the Au-NPs onto the surface of P3MT NTs, the light-emitting color of P3MT NTs was dramatically changed from a green to a bright red. From laser confocal microscope photoluminescence (PL) experiments for an isolated single strand of the NTs, we observed a ∼220 times enhancement of the PL peak intensity for the hybrid NT of P3MT/Au-NPs compared to that of the P3MT single NT. The enhancement PL efficiency of the hybrid NT of P3MT/Au-NPs can be explained in terms of a surface plasmon resonance (SPR) and nanoscale local electric field enhancement effects.

Original languageEnglish
Pages (from-to)604-608
Number of pages5
JournalSynthetic Metals
Volume160
Issue number7-8
DOIs
Publication statusPublished - 2010 Apr 1

Fingerprint

Nanotubes
nanotubes
Photoluminescence
Nanoparticles
photoluminescence
nanoparticles
augmentation
poly(3-methylthiophene)
Surface plasmon resonance
surface plasmon resonance
Gold
strands
Luminescence
Microscopes
microscopes
Electric fields
luminescence
gold
Color
color

Keywords

  • Au nanoparticle
  • Hybrid nanotube
  • Laser confocal microscope
  • Local field enhancement
  • Photoluminescence
  • Poly (3-methylthiophene)
  • Surface plasmon resonance

ASJC Scopus subject areas

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

Cite this

Nanoscale photoluminescence of light-emitting poly (3-methylthiophene) nanotubes hybridized with Au nanoparticles. / Park, Dong Hyuk; Hong, Young Ki; Kim, Mi Suk; Cho, Eun Hei; Choi, Won Jun; Kim, Kyung Ho; Park, Q Han; Kim, Dae Chul; Song, Hugeun; Kim, Jeongyong; Joo, Jinsoo.

In: Synthetic Metals, Vol. 160, No. 7-8, 01.04.2010, p. 604-608.

Research output: Contribution to journalArticle

Park, Dong Hyuk ; Hong, Young Ki ; Kim, Mi Suk ; Cho, Eun Hei ; Choi, Won Jun ; Kim, Kyung Ho ; Park, Q Han ; Kim, Dae Chul ; Song, Hugeun ; Kim, Jeongyong ; Joo, Jinsoo. / Nanoscale photoluminescence of light-emitting poly (3-methylthiophene) nanotubes hybridized with Au nanoparticles. In: Synthetic Metals. 2010 ; Vol. 160, No. 7-8. pp. 604-608.
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