Electron transfer kinetics of ferrocene at microcrystalline boron-doped diamond electrodes: Effect of solvent and electrolyte

被引：22

作者：

Haymond, S ^{[1
]}

Babcock, GT ^{[1
]}

Swain, GM ^{[1
]}

机构：

[1] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA

来源：

ELECTROANALYSIS | 2003年 / 15卷 / 04期

关键词：

ferrocene; kinetics; boron-doped diamond; cyclic voltammetry; nonaqueous;

D O I：

10.1002/elan.200390031

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Cyclic voltammetric measurements were made using well-characterized microcrystalline boron-doped diamond thin-film electrodes to test the material's responsiveness for ferrocene as a function of scan rate, solvent, and electrolyte composition. Apparent heterogeneous electron transfer rate constants, k(app)(o) of 0.042 +/- 0.015, 0.048 +/- 0.015, and 0.008 +/- 0.002 cm/s were observed in 0.1 M NaClO4/CH3CN, 0.1 M TBAClO(4)/CH3CN, and 0.1M TBAClO(4)/CH2Cl2, respectively. These rate constants, obtained using electrodes without any type of pretreatment, are similar to those observed for freshly polished glassy carbon. The results demonstrate that boron-doped diamond is a viable material for the electrochemical analysis of nonaqueous analytes.

引用

页码：249 / 253

页数：5

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