Quartz Crystal Microbalance Coated with 18-Crown-6 Ether Film for 2,4,6-Trinitrotolurene (TNT) Vapor Detection

Pavaris Phuvanatai; Toempong Phetchakul

doi:10.4028/www.scientific.net/KEM.748.358

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 748Quartz Crystal Microbalance Coated with 18-Crown-6...

Quartz Crystal Microbalance Coated with 18-Crown-6 Ether Film for 2,4,6-Trinitrotolurene (TNT) Vapor Detection

Abstract:

The 2, 4, 6-trinitrotoluene (TNT) vapor detection by quartz crystal microbalance (QCM) coated with 18-crown-6 ether film is introduced. The film acts as selective or sensitive layer for detecting TNT molecule. The frequency shift response is depend on the amount of mass of molecule adhere on the coated film surface. In this study, the concentrations of TNT vapor which is related to responses are studied. It shows that the TNT vapor concentration is related to the time for steady state condition and the frequency shift response. The high concentration vapor will increase the frequency shift response but increase the steady state time.

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Advanced Materials and Engineering Materials VI

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Periodical:

Key Engineering Materials (Volume 748)

Pages:

358-362

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.748.358

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Online since:

August 2017

Authors:

Pavaris Phuvanatai*, Toempong Phetchakul

Keywords:

18-Crown-6 Ether, Chemical Sensor, Explosive Detection, Quartz Crystal Microbalance, TNT

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