Deposition of silver nanoparticles on single wall carbon nanotubes via a self assembled block copolymer micelles

Himadri Acharya, Jinwoo Sung, Hye in Shin, Soo Young Park, Byung Gil Min, Cheolmin Park

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We demonstrate a facile route to decorate the surface of networked single walled carbon nanotubes (SWNTs) with silver nanoparticles (Ag NPs). The method is based on utilization of either spherical poly(styrene-b-4vinylpyridine) (PS-b-P4VP) or cylindrical poly(styrene-b-acrylic acid) (PS-b-PAA) copolymer micelles capable of stabilizing nanotubes in solution and subsequently forming a thin and uniform block copolymer/SWNTs composite film upon spin coating. The selective doping of silver acetate into either P4VP or PAA domains in a thin composite film, followed by thermal treatment, results in the formation of Ag NPs in the cores of micelles. Further heat treatment at 500 °C sufficiently high for degrading both block copolymers allows us to fabricate a thin SWNTs network in which Ag NPs are efficiently deposited on the surface of nanotubes. A sharp surface plasmon absorption band around 400 nm of the networked SWNTs with Ag NPs confirms the presence of Ag NPs with narrow distribution in their size.

Original languageEnglish
Pages (from-to)552-557
Number of pages6
JournalReactive and Functional Polymers
Volume69
Issue number7
DOIs
Publication statusPublished - 2009 Jul 1

Fingerprint

Carbon Nanotubes
Micelles
Single-walled carbon nanotubes (SWCN)
Silver
Nanoparticles
Block copolymers
silver
Carbon nanotubes
Nanotubes
Composite films
Styrene
Hot Temperature
Heat treatment
Spin coating
Acrylics
Absorption spectra
coating
acetate
Copolymers
Doping (additives)

All Science Journal Classification (ASJC) codes

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

Cite this

Acharya, Himadri ; Sung, Jinwoo ; Shin, Hye in ; Park, Soo Young ; Min, Byung Gil ; Park, Cheolmin. / Deposition of silver nanoparticles on single wall carbon nanotubes via a self assembled block copolymer micelles. In: Reactive and Functional Polymers. 2009 ; Vol. 69, No. 7. pp. 552-557.
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Deposition of silver nanoparticles on single wall carbon nanotubes via a self assembled block copolymer micelles. / Acharya, Himadri; Sung, Jinwoo; Shin, Hye in; Park, Soo Young; Min, Byung Gil; Park, Cheolmin.

In: Reactive and Functional Polymers, Vol. 69, No. 7, 01.07.2009, p. 552-557.

Research output: Contribution to journalArticle

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