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Partial metal coated light emitting polymers: Direct observation of enhanced photoluminescence

Authors
Park, Dong HyukLee, Yong BaekKim, Hyun SeungKim, Dae-ChulKim, JeongyongJoo, Jinsoo
Issue Date
Jan-2009
Publisher
ELSEVIER SCIENCE SA
Keywords
Hybrid nanotube; Polymer; Laser confocal microscope; Photoluminescence; Surface plasmon
Citation
SYNTHETIC METALS, v.159, no.1-2, pp.22 - 25
Indexed
SCIE
SCOPUS
Journal Title
SYNTHETIC METALS
Volume
159
Number
1-2
Start Page
22
End Page
25
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/120854
DOI
10.1016/j.synthmet.2008.07.023
ISSN
0379-6779
Abstract
The enhanced photoluminescence (PL) for the partially nickel (Ni) metal coated light emitting poly(3-methylthiophene) (P3MT) or polythiophene (PTh) hybrid nanotubes was observed and analyzed. From the laser confocal microscope PL experiments of an isolated single strand of the hybrid nanotubes, we directly observed a similar to 40 times and similar to 16 times enhancement of the PL peak intensity for the parts of the P3MT or PTh nanotubes that were coated with the Ni metal, compared with the PL peak intensity for the parts of the P3MT or PTh nanotubes without the Ni metal coating. These were confirmed from the laser confocal microscope PL spectra of the hybrid nanotubes. The surface plasmon resonance coupling between the light emitting P3MT or PTh nanotubes and the Ni metal nanotubes contributed to the enhancement of the PL efficiency of the hybrid nanotubes. (C) 2008 Elsevier B.V. All rights reserved.
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