Significantly enhanced photoluminescence of doped polymer-metal hybrid nanotubes

Dong Hyuk Park, Hyun Seung Kim, Mi Yun Jeong, Yong Baek Lee, Hyun Jun Kim, Dae Chul Kim, Jeongyong Kim, Jinsoo Joo

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

We report on the significantly enhanced photoluminescence (PL) of hybrid double-layered nanotubes (HDLNTs) consisting of poly(3-methylthiophene) (P3MT) nanotubes with various doping levels enveloped by an inorganic, nickel (Ni) metal nanotube. From laser confocal microsocopy PL experiments on a single strand of the doped-P3MT nanotubes and of their HDLNTs, the PL peak intensity of the KDLNT systems increased remarkably up to 350 times as the doping level of the P3MT nanotubes of the HDLNTs increased, which was confirmed by measurements of the quantum yield. In a comparison of the normalized ultravoilet and visible absorption spectra of the doped-P3MT nanotubes and their HDLNTs, new absorption peaks corresponding to surface-plesmon (SP) energy were created at 563 and 615 nm after the nanoscale Ni metal coating onto the P3MT nanotubes, and their intensity increased on increasing the doping level of the P3MT nanotabe. The doping-induced bipolaron peaks of the HDLNTs of doped-P3MT/Ni were relatively reduced, compared with those of the doped-P3MT nanotubes before the Ni coating, due to the charge-transfer effect in the SP-resonance (SPR) coupling. Both energy-transfer and charge-transfer effects due to SP resonance contributed to the very-large enhancement of the PL efficiency of the doped-P3MT-based HDLNTs.

Original languageEnglish
Pages (from-to)2526-2534
Number of pages9
JournalAdvanced Functional Materials
Volume18
Issue number17
DOIs
Publication statusPublished - 2008 Sep 10

Fingerprint

Nanotubes
nanotubes
Photoluminescence
Polymers
Metals
photoluminescence
polymers
metals
Doping (additives)
nickel coatings
Nickel coatings
Nickel
Charge transfer
charge transfer
nickel
poly(3-methylthiophene)
metal coatings
Metal coatings
Quantum yield
visible spectrum

ASJC Scopus subject areas

  • Biomaterials
  • Electrochemistry
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Significantly enhanced photoluminescence of doped polymer-metal hybrid nanotubes. / Park, Dong Hyuk; Kim, Hyun Seung; Jeong, Mi Yun; Lee, Yong Baek; Kim, Hyun Jun; Kim, Dae Chul; Kim, Jeongyong; Joo, Jinsoo.

In: Advanced Functional Materials, Vol. 18, No. 17, 10.09.2008, p. 2526-2534.

Research output: Contribution to journalArticle

Park, DH, Kim, HS, Jeong, MY, Lee, YB, Kim, HJ, Kim, DC, Kim, J & Joo, J 2008, 'Significantly enhanced photoluminescence of doped polymer-metal hybrid nanotubes', Advanced Functional Materials, vol. 18, no. 17, pp. 2526-2534. https://doi.org/10.1002/adfm.200701483
Park, Dong Hyuk ; Kim, Hyun Seung ; Jeong, Mi Yun ; Lee, Yong Baek ; Kim, Hyun Jun ; Kim, Dae Chul ; Kim, Jeongyong ; Joo, Jinsoo. / Significantly enhanced photoluminescence of doped polymer-metal hybrid nanotubes. In: Advanced Functional Materials. 2008 ; Vol. 18, No. 17. pp. 2526-2534.
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