Fabrication and characterization of polymer insulated carbon nanotube modified electrochemical nanoprobes

被引：21

作者：

Patil, Amol V. ^{[1
]}

Beker, Anne F. ^{[1
]}

Wiertz, Frank G. M. ^{[2
]}

Heering, Hendrik A. ^{[2
]}

Coslovich, Giacomo ^{[1
]}

Vlijm, Rifka ^{[1
]}

Oosterkamp, Tjerk H. ^{[1
]}

机构：

[1] Leiden Univ, LION, NL-2333 CA Leiden, Netherlands

[2] Leiden Univ, Leiden Inst Chem, NL-2333 CC Leiden, Netherlands

来源：

NANOSCALE | 2010年 / 2卷 / 05期

关键词：

NANOPORE-BASED ELECTRODES; ATOMIC-FORCE MICROSCOPY; NANOELECTRODE ARRAYS; FERROCENEMETHANOL; VOLTAMMETRY; RESOLUTION; PROBES;

D O I：

10.1039/b9nr00281b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electrochemical nanoprobes were fabricated from polymer insulated multiwalled carbon nanotube modified tapping mode atomic force microscope probes. An electrochemically active length of carbon nanotube was exposed by laser ablation of the insulating polymer. Characterization of these probes is done by cyclic voltammetry of ferrocenemethanol in an aqueous solution and by finite element analysis. The fabricated nanoelectrodes were found to be stable and yielded an interfacial electron transfer rate constant (k(0)) of 1.073 +/- 0.36 cm s(-1) for ferrocenemethanol.

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收藏

页码：734 / 738

页数：5

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