PH sensor using carbon nanotubes as sensing material

Thu Hong Tran, Jae Hong Kwong, Kyong Soo Lee, Jin Woo Lee, Byeong Kwon Ju

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Carbon nanotube (CNT) integrated with biological functionalities is expected to be one of the most promising field in future biomedical applications. CNT material with prominent properties along with application of micro fabrication technology make possible enormous application potential sensors with high resolution, more accurate, higher sensitivity and micrometer size. One of these applications, introduced in this paper, is pH sensors using CNT as sensing material. Monitoring and evaluating the pH of the solution in a bioprocess is one of the key steps in the success of bioreactor operation. Our proposal based on the changes significantly in electrical property of CNT under different pH environment. This paper describes a method for designing a simple and fast response pH sensor employing single wall carbon nanotube (SWCNT) using a spray. The conductance and the typical amperometric respond of SWCNT at room temperature at different hydroxyl ion concentrations were successfully demonstrated.

Original languageEnglish
Title of host publicationHUT-ICCE 2006 1st International Conference on Communications and Electronics, Proceedings
Pages490-493
Number of pages4
DOIs
Publication statusPublished - 2006
EventHUT-ICCE 2006 1st International Conference on Communications and Electronics - Hanoi, Viet Nam
Duration: 2006 Oct 102006 Oct 11

Publication series

NameHUT-ICCE 2006 First International Conference on Communications and Electronics, Proceedings
VolumePART 1

Other

OtherHUT-ICCE 2006 1st International Conference on Communications and Electronics
CountryViet Nam
CityHanoi
Period06/10/1006/10/11

Keywords

  • Hydroxyl ions
  • PH sensor
  • Single wall carbon nanotube (SWCNT)

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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  • Cite this

    Tran, T. H., Kwong, J. H., Lee, K. S., Lee, J. W., & Ju, B. K. (2006). PH sensor using carbon nanotubes as sensing material. In HUT-ICCE 2006 1st International Conference on Communications and Electronics, Proceedings (pp. 490-493). [4156527] (HUT-ICCE 2006 First International Conference on Communications and Electronics, Proceedings; Vol. PART 1). https://doi.org/10.1109/CCE.2006.350876