Atmospheric-pressure plasma jet processed carbon-based electrochemical sensor integrated with a 3D-printed microfluidic channel

Cheng Han Yang, Chieh Wen Chen, Yu Kuan Lin, Yi Chun Yeh, Cheng Che Hsu, Yu Jui Fan, Ing Song Yu, Jian Zhang Chen

研究成果: 雜誌貢獻文章

5 引文 斯高帕斯(Scopus)

摘要

This paper reports prototype atmospheric-pressure plasma jet (APPJ)-processed reduced graphene oxide (rGO)-modified carbon electrochemical sensors integrated with 3D-printed microfluidic channels. Dopamine (DA) solutions with various concentrations are used for the model test. The APPJ-calcined rGO coating significantly enhances the electrochemical signal for DA detection by 18 times. X-ray photoelectron spectroscopy (XPS) shows that APPJ-calcined rGO-modified carbon electrodes have more oxygen-containing surface functional groups, leading to the enhanced electrochemical reactivity. The cyclic voltammetry (CV) curves of solutions with various DA concentrations are well-distinguishable in the presence of uric acid (UA) and ascorbic acid (AA) as interfering agents.

原文英語
頁(從 - 到)B534-B541
期刊Journal of the Electrochemical Society
164
發行號12
DOIs
出版狀態已發佈 - 2017 一月 1
對外發佈Yes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

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