Carbon nanotubes - Towards artificial nose implementation

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


Functionalization of multiwall carbon nanotubes (MWCNTs) allows the outer wall of the nanotubes to be turned into chemically selective surfaces. As in the electric transport along the nanotube axis the outer wall plays a dominant role, the modulation of this transport lends itself to direct application in gas sensing. In our work the modification of electrical conduction was used as a detection principle in random networks (mats) of MWCNT. In comparison with conventional adsorption type (e.g. Taguchi) sensors these MWCNT networks exhibited very fast response times (< 10s) to all gases and vapors applied, and showed acceptable long-term stability.

Original languageEnglish
Title of host publication2006 5th IEEE Conference on Sensors
Number of pages5
Publication statusPublished - Dec 1 2006
Event2006 5th IEEE Conference on Sensors - Daegu, Korea, Republic of
Duration: Oct 22 2006Oct 25 2006

Publication series

NameProceedings of IEEE Sensors


Other2006 5th IEEE Conference on Sensors
CountryKorea, Republic of

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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