Particle-size effects on the photocurrent efficiency of nanostructured assemblies consisting of gold nanoparticles and a ruthenium complex-viologen linked thiol

Tsuyoshi Akiyama, Kazuma Inoue, Yutaka Kuwahara, Nao Terasaki, Yasuro Niidome, Sunao Yamada

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Photoelectrochemical assemblies consisting of gold nanoparticles and a tris(2,2′-bipyridine)ruthenium(II)-viologen linked disulfide derivative ([RuVS]2) were constructed on gold electrodes, by a combination of salting-out and self-assembly processes. Structural characterization of the nanostructured assemblies was carried out by scanning electron microscopy and cyclic voltammetry. The adsorbed amount of the tris(2,2′-bipyridine)ruthenium(II)-viologen linked moiety (RuVS) was fairly well correlated with the ratio of the total gold surface area of the nanostructured electrode. Nanostructured assemblies consisting of ∼50 to ∼ < 100 nm particles showed high photocurrent efficiencies.

Original languageEnglish
Pages (from-to)303-307
Number of pages5
JournalJournal of Electroanalytical Chemistry
Volume550-551
DOIs
Publication statusPublished - Jul 17 2003

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Viologens
Ruthenium
Photocurrents
Sulfhydryl Compounds
Gold
Particle size
Nanoparticles
Electrodes
Disulfides
Self assembly
Cyclic voltammetry
Derivatives
Scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Chemical Engineering(all)
  • Electrochemistry

Cite this

Particle-size effects on the photocurrent efficiency of nanostructured assemblies consisting of gold nanoparticles and a ruthenium complex-viologen linked thiol. / Akiyama, Tsuyoshi; Inoue, Kazuma; Kuwahara, Yutaka; Terasaki, Nao; Niidome, Yasuro; Yamada, Sunao.

In: Journal of Electroanalytical Chemistry, Vol. 550-551, 17.07.2003, p. 303-307.

Research output: Contribution to journalArticle

Akiyama, Tsuyoshi ; Inoue, Kazuma ; Kuwahara, Yutaka ; Terasaki, Nao ; Niidome, Yasuro ; Yamada, Sunao. / Particle-size effects on the photocurrent efficiency of nanostructured assemblies consisting of gold nanoparticles and a ruthenium complex-viologen linked thiol. In: Journal of Electroanalytical Chemistry. 2003 ; Vol. 550-551. pp. 303-307.
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AU - Yamada, Sunao

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