Effect of Poly(amine)s on the Redox Properties of Carboxymethylcellulose and Ferrocene-modified Poly(amine) Layer-by-Layer Films

Yu Aikawa, Takumi Watanabe, Daichi Minaki, Shigehiro Takahashi, Baozhen Wang, Jun ichi Anzai

研究成果: Article査読

抄録

Multilayer films consisting of carboxymethylcellulose (CMC) and ferrocene-modified poly(ethyleneimine) (Fc-PEI) or poly(allylamine hydrochloride) (Fc-PAH) were successfully prepared on a gold electrode to examine their redox properties. The redox current of (Fc-PEI/CMC)n film-coated electrodes increased with the number of layers, while the (Fc-PAH/CMC)n film-coated electrodes exhibited increased response only for the first eight bilayers. The (Fc-PEI/CMC)n and (Fc-PAH/CMC)n films deposited on the surface of Fc-free multilayer film-coated electrodes also showed a redox response. The (PEI/CMC)5 film-coated electrode showed redox responses in Fc-PEI and Fc-PAH solutions, confirming the uptake of the Fc-polymers in the inner film. In contrast, the uptake of the Fc-polymers in the (PAH/CMC)5 film was severely suppressed, suggesting that different permeability of (PEI/CMC)5 and (PAH/CMC)5 films.

本文言語English
ページ(範囲)327-333
ページ数7
ジャーナルElectroanalysis
28
2
DOI
出版ステータスPublished - 2016 2月 1

ASJC Scopus subject areas

  • 分析化学
  • 電気化学

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