Electropolymerized polythiophene photoelectrodes with density-controlled gold nanoparticles

Yukina Takahashi, Sakiko Taura, Tsuyoshi Akiyama, Sunao Yamada

研究成果: ジャーナルへの寄稿記事

27 引用 (Scopus)

抄録

A polythiophene thin film was fabricated on gold nanoparticle (AuNP)-deposited indium-tin-oxide (ITO) electrodes with electropolymerization, whereas AuNPs were predeposited on the ITO surface. A photocurrent via photoexcited polythiophene increased with AuNPs which was attributed to the localized surface plasmon resonance. Investigation of the AuNP-density dependence on the relative enhancement of photocurrent revealed the maximum effect at 14% of AuNP-density, while 68% of AuNP-density exhibited smaller photocurrent than the polythiophene electrode without AuNPs. We have revealed that the effects of AuNPs saturate in the fairly low density region, and that the excess AuNPs even in the range of submonolayer resulted in the decrement of photocurrents.

元の言語英語
ページ(範囲)9155-9160
ページ数6
ジャーナルLangmuir
28
発行部数24
DOI
出版物ステータス出版済み - 6 19 2012

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Photocurrents
Gold
photocurrents
gold
Nanoparticles
nanoparticles
Polymers
Tin oxides
indium oxides
Indium
tin oxides
Electrodes
electrodes
Electropolymerization
Surface plasmon resonance
surface plasmon resonance
Thin films
polythiophene
augmentation
thin films

All Science Journal Classification (ASJC) codes

  • Electrochemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Materials Science(all)
  • Spectroscopy

これを引用

Electropolymerized polythiophene photoelectrodes with density-controlled gold nanoparticles. / Takahashi, Yukina; Taura, Sakiko; Akiyama, Tsuyoshi; Yamada, Sunao.

:: Langmuir, 巻 28, 番号 24, 19.06.2012, p. 9155-9160.

研究成果: ジャーナルへの寄稿記事

Takahashi, Yukina ; Taura, Sakiko ; Akiyama, Tsuyoshi ; Yamada, Sunao. / Electropolymerized polythiophene photoelectrodes with density-controlled gold nanoparticles. :: Langmuir. 2012 ; 巻 28, 番号 24. pp. 9155-9160.
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