Use of Acetylene for the Fabrication of a Glass Capillary Carbon Microelectrode

Mikako Saito, Ayako Saga, Hideaki Matsuoka*, Danny K Y Wong

*Corresponding author for this work

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Acetylene was found more suitable than methane for the fabrication of a glass capillary carbon microelectrode with high fabrication yield and stability. The pyrolysis of acetylene was done at a flow rate of no higher than 1 cm3 min-1 at ca. 1000°C. The fabricated microelectrode was characterized by the cyclic voltammetry in a dopamine solution. The yield of electrode that showed a well-defined sigmoidal profile caused by the oxidation of dopamine became a much higher level (50%) than before by the method using methane.

Original languageEnglish
Pages (from-to)924-926
Number of pages3
JournalElectrochemistry
Volume68
Issue number11
Publication statusPublished - Nov 2000

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