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Applied Physics Letters / Volume 83 / Issue 7 / INTERDISCIPLINARY AND GENERAL PHYSICS

Appl. Phys. Lett. 83, 1471 (2003); http://dx.doi.org/10.1063/1.1602156 (3 pages)

Sensitive detection of plastic explosives with self-assembled monolayer-coated microcantilevers

L. A. Pinnaduwage1,2, V. Boiadjiev1,2, J. E. Hawk1,2, and T. Thundat1,2

1Life Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee  37831-6123
2and Department of Physics, University of Tennessee, Knoxville, Tennessee 37932

(Received 15 May 2003; accepted 27 June 2003)

We report the detection of 10–30 parts-per-trillion levels of pentaerythritol tetranitrate and hexahydro-1,3,5-triazine within 20 s of exposure to a silicon microcantilever with its gold surface modified with a self-assembled monolayer of 4-mercaptobenzoic acid. These measurements correspond to a limit of detection of a few fg. © 2003 American Institute of Physics.

© 2003 American Institute of Physics

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KEYWORDS and PACS

Keywords

explosions, gas sensors, self-assembly

PACS

  • 82.33.Vx

    Reactions in flames, combustion, and explosions

  • 07.07.Df

    Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.1602156

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    T. Thundat, R. J. Warmach, G. Y. Chen, and D. P. Allison, Appl. Phys. Lett. 64, 2894 (1994)APPLAB000064000021002894000001.


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