Electrooxidation of catecholamines at carbon nanotube-modified indium tin oxide electrodes

Kuan Wen Lin, Chang Hao Lin, You-Zung Hsieh*

*Corresponding author for this work

研究成果: Article

12 引文 斯高帕斯(Scopus)

摘要

In this study, we prepared carbon nanotube (CNT)/Nafion-modified ITO electrodes and investigated their electrochemical behavior. The CNTs were dissolved in a solution of the ionic polymer Nafion and then CNT/Nafion composite films were deposited onto ITO electrodes through spin-coating of this homogeneous solution. We studied the effects of chemical pretreatment of the CNTs and the pH of the buffer on the electroanalytical behavior of the CNT/Nafion-modified ITO electrodes toward catecholamines. The modified electrodes enhanced the peak current and lowered the overpotentials. We observed high electrooxidative performance for the modified ITO electrodes: the oxidative currents of the catecholamines were up to 125-fold higher than those obtained using bare ITO electrodes.

原文English
頁(從 - 到)49-53
頁數5
期刊Analytica Chimica Acta
619
發行號1
DOIs
出版狀態Published - 30 六月 2008

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