Comparison of Vapor Sensing Properties of Pristine and Hexamethylene Diamine-Treated MWCNT Networks to Primary, Secondary and Tertiary Alcohols

Ruhan Benlikaya; Petr Slobodian; Michal Machovsky

doi:10.4028/www.scientific.net/KEM.605.239

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 605Comparison of Vapor Sensing Properties of Pristine...

Comparison of Vapor Sensing Properties of Pristine and Hexamethylene Diamine-Treated MWCNT Networks to Primary, Secondary and Tertiary Alcohols

Abstract:

The sensing properties of pristine and hexamethylene diamine (HDA)-treated multiwall carbon nanotube networks (MWCNT-Ns) to selected primary, secondary (sec-) and tertiary (ter-) alcohols were examined by resistance measurements. It was seen that sensor responses, S (%), of MWCNT (HDA)-N to these alcohols were much higher than those of the pristine network. An increase in the S (%) values per mm Hg of both networks was observed from propanol to butanol, when their values from primary alcohols to sec-/tert-ones decreased due to the change in the interaction area of these alcohols with the MWCNT-Ns.

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Periodical:

Key Engineering Materials (Volume 605)

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239-242

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.605.239

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Online since:

April 2014

Authors:

Ruhan Benlikaya, Petr Slobodian, Michal Machovsky

Keywords:

Alcohol, Carbon Nanotube Network, CNT, Functionalization, Gas Sensor

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