Abstract
Complex nanoparticles (NPs) of poly(2-methoxy-5-(2'-ethylhexyloxy)-p- phenylene vinylene) (MEH-PPV) NP adsorbed with Au NPs (MEH-PPV/Au NPs) were fabricated through a reprecipitation method. The formation of MEH-PPV/Au NP complexes was confirmed through high-resolution transmission electron microscopy and Fourier transform infrared experiments. The laser confocal microscope photoluminescence (PL) efficiency of the complex MEH-PPV/Au single NP dramatically increased compared with that of the MEH-PPV single NP without Au NPs, which was directly confirmed through color charge-coupled device images. The enhanced PL efficiency of the MEH-PPV/Au NP complex might have originated from the energy transfer effect in a surface plasmon resonance coupling between a MEH-PPV NP and Au NPs. The strong local field enhancement due to nanogaps between Au NPs in the background of a light-emitting MEH-PPV NP might be another origin of the PL enhancement of the NP complex, as supported by finite difference time domain calculations. We also observed the blue shift of the PL peaks of the single MEH-PPV and MEH-PPV/Au NP, compared with the solution PL peaks of those NPs.
| Original language | English |
|---|---|
| Pages (from-to) | 1329-1334 |
| Number of pages | 6 |
| Journal | ACS Nano |
| Volume | 3 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 2009 Jun 23 |
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Keywords
- Au
- MEH-PPV
- Nanoparticle
- Photoluminescence
- Surface plasmon
ASJC Scopus subject areas
- Engineering(all)
- Materials Science(all)
- Physics and Astronomy(all)
Cite this
Complex nanoparticle of light-emitting MEH-PPV with Au : Enhanced luminescence. / Kim, Mi Suk; Park, Dong Hyuk; Cho, Eun Hei; Kim, Kyoung Ho; Park, Q Han; Song, Hugeun; Kim, Dae Chul; Kim, Jeongyong; Joo, Jinsoo.
In: ACS Nano, Vol. 3, No. 6, 23.06.2009, p. 1329-1334.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Complex nanoparticle of light-emitting MEH-PPV with Au
T2 - Enhanced luminescence
AU - Kim, Mi Suk
AU - Park, Dong Hyuk
AU - Cho, Eun Hei
AU - Kim, Kyoung Ho
AU - Park, Q Han
AU - Song, Hugeun
AU - Kim, Dae Chul
AU - Kim, Jeongyong
AU - Joo, Jinsoo
PY - 2009/6/23
Y1 - 2009/6/23
N2 - Complex nanoparticles (NPs) of poly(2-methoxy-5-(2'-ethylhexyloxy)-p- phenylene vinylene) (MEH-PPV) NP adsorbed with Au NPs (MEH-PPV/Au NPs) were fabricated through a reprecipitation method. The formation of MEH-PPV/Au NP complexes was confirmed through high-resolution transmission electron microscopy and Fourier transform infrared experiments. The laser confocal microscope photoluminescence (PL) efficiency of the complex MEH-PPV/Au single NP dramatically increased compared with that of the MEH-PPV single NP without Au NPs, which was directly confirmed through color charge-coupled device images. The enhanced PL efficiency of the MEH-PPV/Au NP complex might have originated from the energy transfer effect in a surface plasmon resonance coupling between a MEH-PPV NP and Au NPs. The strong local field enhancement due to nanogaps between Au NPs in the background of a light-emitting MEH-PPV NP might be another origin of the PL enhancement of the NP complex, as supported by finite difference time domain calculations. We also observed the blue shift of the PL peaks of the single MEH-PPV and MEH-PPV/Au NP, compared with the solution PL peaks of those NPs.
AB - Complex nanoparticles (NPs) of poly(2-methoxy-5-(2'-ethylhexyloxy)-p- phenylene vinylene) (MEH-PPV) NP adsorbed with Au NPs (MEH-PPV/Au NPs) were fabricated through a reprecipitation method. The formation of MEH-PPV/Au NP complexes was confirmed through high-resolution transmission electron microscopy and Fourier transform infrared experiments. The laser confocal microscope photoluminescence (PL) efficiency of the complex MEH-PPV/Au single NP dramatically increased compared with that of the MEH-PPV single NP without Au NPs, which was directly confirmed through color charge-coupled device images. The enhanced PL efficiency of the MEH-PPV/Au NP complex might have originated from the energy transfer effect in a surface plasmon resonance coupling between a MEH-PPV NP and Au NPs. The strong local field enhancement due to nanogaps between Au NPs in the background of a light-emitting MEH-PPV NP might be another origin of the PL enhancement of the NP complex, as supported by finite difference time domain calculations. We also observed the blue shift of the PL peaks of the single MEH-PPV and MEH-PPV/Au NP, compared with the solution PL peaks of those NPs.
KW - Au
KW - MEH-PPV
KW - Nanoparticle
KW - Photoluminescence
KW - Surface plasmon
UR - http://www.scopus.com/inward/record.url?scp=67651230766&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=67651230766&partnerID=8YFLogxK
U2 - 10.1021/nn900071w
DO - 10.1021/nn900071w
M3 - Article
C2 - 19456168
AN - SCOPUS:67651230766
VL - 3
SP - 1329
EP - 1334
JO - ACS Nano
JF - ACS Nano
SN - 1936-0851
IS - 6
ER -