Fabrication of Poly(allylamine)ferrocene Monolayer Based on Electrostatic Interaction and Its Electrocatalytic Oxidation of Ascorbic Acid
✍ Scribed by Suxia Zhang; Yaqin Fu; Changqing Sun
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 134 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1040-0397
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
A poly(allylamine)ferrocene monolayer was built on the surface of gold electrode modified with negatively charged alkanethiol based on electrostatic interaction. The electrochemical behavior of the modified electrode was characterized by cyclic voltammetry in detail. The modified electrode was shown to exhibit excellent electrocatalytic response to the oxidation of ascorbic acid. The anodic overpotential was reduced by about 170 mV compared with that obtained at a bare gold electrode. The modified electrode possesses several attractive features, such as simple preparation, fast response and good chemical and mechanical stability.