Electrocatalytic Oxidation Properties of Ascorbic Acid at Poly(3, 4-ethylenedioxythiophene) Films Studied by Electrochemical-Surface Plasmon Resonance Spectroscopy

Akira BABA; Yohsuke SANO; Yasuo OHDAIRA; Kazunari SHINBO; Keizo KATO; Futao KANEKO

doi:10.1093/ietele/e91-c.12.1881

Special Section on The Forefront of 21st Century Organic Molecular Electronics

Electrocatalytic Oxidation Properties of Ascorbic Acid at Poly(3, 4-ethylenedioxythiophene) Films Studied by Electrochemical-Surface Plasmon Resonance Spectroscopy

Akira BABA, Yohsuke SANO, Yasuo OHDAIRA, Kazunari SHINBO, Keizo KATO, Futao KANEKO

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Keywords: surface plasmon, electrochemistry, PEDOT, ascorbic acid

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2008 Volume E91.C Issue 12 Pages 1881-1882

DOI https://doi.org/10.1093/ietele/e91-c.12.1881

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Abstract

In this report, we demonstrate electrocatalytic oxidation properties of ascorbic acid at poly(3, 4-ethylenedioxythiophene) (PEDOT) thin films in view of their potential application for bio-sensing devices. PEDOT thin films were deposited on gold thin films by electropolymerization of EDOT monomer in acetonitrile solvent. In-situ electrochemical-surface plasmon resonance spectroscopy (EC-SPR) was used to detect both electrochemical and optical signals upon an injection of ascorbic acid.

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