Glucose sensing by electrochemically grown copper nanobelt electrode

Ting Kai Huang, Kuan Wen Lin, Sze Ping Tung, Ta Ming Cheng, I. Chun Chang, You-Zung Hsieh, Chi Young Lee, Hsin-Tien Chiu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

93 Scopus citations

Abstract

A simple design of growing Cu nanobelt (NB) electrode for glucose sensing is presented. Cu NBs were grown directly on carbon electrodes by using electrochemical deposition. The average width, thickness and length of the NBs were about 50 nm, 20 nm and several tens of micrometers, respectively. Cyclic voltammetric (CV) experiments showed that a Cu NB electrode grown by a reduction charge of 0.5 C on a substrate of 0.018 cm2 enhanced glucose oxidation ability. For glucose sensing, the electrode exhibited a high sensitivity of 79.8 μA/mM and a measurable detection limit of 10 μM in amperometric detection.

Original languageEnglish
Pages (from-to)123-127
Number of pages5
JournalJournal of Electroanalytical Chemistry
Volume636
Issue number1-2
DOIs
StatePublished - 15 Nov 2009

Keywords

  • Copper nanobelt
  • Electrochemical deposition
  • Glucose sensing

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