Facile deposition of [60]fullerene and carbon nanotubes on ITO electrode by electrochemical oxidative polymerization of ethylenedioxythiophene

Tsukasa Hatano, Ah Hyun Bae, Kazunori Sugiyasu, Norifumi Fujita, Masayuki Takeuchi, Asushi Ikeda, Seiji Shinkai

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

It was found that [60]fullerene encapsulated in p-sulfonatocalix[8]arene and single-walled carbon nanotubes (SWNTs) solubilized by sodium dodecylsulfate can be readily deposited on the ITO electrode by electrochemical oxidative polymerization of ethylenedioxythiophene (EDOT) without chemical modification of these carbon clusters. The driving force for the deposition is an electrostatic interaction between the anionic complexes and the cationic charges of poly(EDOT) formed in the oxidative polymerization process. The surface morphology was thoroughly characterized by scanning electron micrograph: the [60]fullerene/poly(EDOT) film is covered by nano-particles with 20-100 nm diameters whereas the SWNTs/poly(EDOT) film is covered by nanorods with several μm length and ca. 100 nm diameter. The results indicate that the anionic complexes act as nuclei for the polymer growth in the oxidation polymerization. Interestingly, when these modified ITO electrodes were photoirradiated, the appearance of a photocurrent wave was observed. The action spectra showed that the photoexcited energy of [60]fullerene or SWNTs is efficiently collected by the electroconductive poly(EDOT) film and transferred to the ITO electrode.

Original languageEnglish
Pages (from-to)2343-2347
Number of pages5
JournalOrganic and Biomolecular Chemistry
Volume1
Issue number13
DOIs
Publication statusPublished - Aug 5 2003

Fingerprint

Carbon Nanotubes
Single-walled carbon nanotubes (SWCN)
ITO (semiconductors)
Polymerization
fullerenes
nanotubes
Electrodes
polymerization
carbon nanotubes
electrodes
Carbon clusters
Nanotubes
Chemical modification
Coulomb interactions
Static Electricity
Nanorods
Photocurrents
nanorods
Surface morphology
photocurrents

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

Cite this

Facile deposition of [60]fullerene and carbon nanotubes on ITO electrode by electrochemical oxidative polymerization of ethylenedioxythiophene. / Hatano, Tsukasa; Bae, Ah Hyun; Sugiyasu, Kazunori; Fujita, Norifumi; Takeuchi, Masayuki; Ikeda, Asushi; Shinkai, Seiji.

In: Organic and Biomolecular Chemistry, Vol. 1, No. 13, 05.08.2003, p. 2343-2347.

Research output: Contribution to journalArticle

Hatano, Tsukasa ; Bae, Ah Hyun ; Sugiyasu, Kazunori ; Fujita, Norifumi ; Takeuchi, Masayuki ; Ikeda, Asushi ; Shinkai, Seiji. / Facile deposition of [60]fullerene and carbon nanotubes on ITO electrode by electrochemical oxidative polymerization of ethylenedioxythiophene. In: Organic and Biomolecular Chemistry. 2003 ; Vol. 1, No. 13. pp. 2343-2347.
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