Single-wall carbon nanotube-based pH sensor fabricated by the spray method

Jae Hong Kwon; Kyong Soo Lee; Yun Hi Lee; Byeong Kwon Ju

doi:10.1149/1.2217131

Single-wall carbon nanotube-based pH sensor fabricated by the spray method

Jae Hong Kwon, Kyong Soo Lee, Yun Hi Lee, Byeong Kwon Ju

Department of Physics

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

The concentration of the hydroxyl ion is a critical parameter which must be measured for monitoring the condition of aqueous biological species or for predicting the path of chemical reactions. This paper describes a method for fabricating a simple and fast response pH sensor composed of single-wall carbon nanotubes (SWCNTs) using a spray. Such a CNT-based sensor shows amperometric response in buffer solution at different hydroxyl ion concentrations. Our results suggest that sprayed CNT sensors can be used as chemical sensors and biosensors in future large-scale throughput devices.

Original language	English
Pages (from-to)	H85-H87
Journal	Electrochemical and Solid-State Letters
Volume	9
Issue number	9
DOIs	https://doi.org/10.1149/1.2217131
Publication status	Published - 2006

ASJC Scopus subject areas

Chemical Engineering(all)
Materials Science(all)
Physical and Theoretical Chemistry
Electrochemistry
Electrical and Electronic Engineering

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Single-wall carbon nanotube-based pH sensor fabricated by the spray method

Abstract

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