Control over the surface plasmon band of block copolymer/Ag/Au nanoparticles composites by the addition of single walled carbon nanotubes

Himadri Acharya, Youn Jung Park, Yeon Sik Choi, Jinwoo Sung, Taehee Kim, Dong Ha Kim, Cheolmin Park

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this study, we demonstrate control over the localized surface plasmon band (SPB) of a micellar poly(styrene-block-4vinylpyridine) (PS-b-P4VP) copolymer thin film composite that includes Ag and Au nanoparticles (NPs) in the presence of single walled carbon nanotubes (SWCNTs). Ag and Au NPs are preferentially located in the P4VP core and the PS corona of ordered spherical PS-b-P4VP copolymer micelles, respectively. This structure gave rise to a single SPB due to the coupling of Ag and Au SPBs. The non-covalent addition of SWCNTs in the block copolymer micelles shifts the coupled SPB to a lower wavelength. The maximum shift in the coupled SPB of approximately 30 nm was achieved in the PS-b-P4VP/Ag/Au NPs composite. The carbon nanotube induced modulation of the coupled SPB stems from the charge accumulation effect of the SWCNTs placed between the two types of nanoparticles.

Original languageEnglish
Pages (from-to)1195-1201
Number of pages7
JournalReactive and Functional Polymers
Volume71
Issue number12
DOIs
Publication statusPublished - 2011 Dec 1

Fingerprint

Carbon Nanotubes
Single-walled carbon nanotubes (SWCN)
Nanoparticles
Block copolymers
Composite materials
Micelles
Copolymers
Styrene
corona
Carbon nanotubes
Modulation
carbon nanotube
nanoparticle
wavelength
Thin films
Wavelength
poly(styrene)-block-poly(4-vinylpyrindine) diblock copolymer

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Environmental Chemistry
  • Biochemistry
  • Chemical Engineering(all)
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Acharya, Himadri ; Park, Youn Jung ; Choi, Yeon Sik ; Sung, Jinwoo ; Kim, Taehee ; Kim, Dong Ha ; Park, Cheolmin. / Control over the surface plasmon band of block copolymer/Ag/Au nanoparticles composites by the addition of single walled carbon nanotubes. In: Reactive and Functional Polymers. 2011 ; Vol. 71, No. 12. pp. 1195-1201.
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Control over the surface plasmon band of block copolymer/Ag/Au nanoparticles composites by the addition of single walled carbon nanotubes. / Acharya, Himadri; Park, Youn Jung; Choi, Yeon Sik; Sung, Jinwoo; Kim, Taehee; Kim, Dong Ha; Park, Cheolmin.

In: Reactive and Functional Polymers, Vol. 71, No. 12, 01.12.2011, p. 1195-1201.

Research output: Contribution to journalArticle

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AU - Acharya, Himadri

AU - Park, Youn Jung

AU - Choi, Yeon Sik

AU - Sung, Jinwoo

AU - Kim, Taehee

AU - Kim, Dong Ha

AU - Park, Cheolmin

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