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Applied Physics Letters / Volume 96 / Issue 9 / DEVICE PHYSICS

Appl. Phys. Lett. 96, 093504 (2010); http://dx.doi.org/10.1063/1.3352554 (3 pages)

Capacitive-type counter of nanoparticles in air

I. Iskra1, A. Detela1, M. Viršek1, V. Nemanič1, D. Križaj2, D. Golob3, J. T. van Elteren4, and M. Remškar1

1“Jozef Stefan” Institute, Jamova 39, SI-1000 Ljubljana, Slovenia
2Faculty of Electrical Engineering, University of Ljubljana, Tržaška cesta 25, SI-1000 Ljubljana, Slovenia
3Cosylab, Teslova 30, SI-1000 Ljubljana, Slovenia
4National Institute of Chemistry, Hajdrihova 19, SI-1001 Ljubljana, Slovenia

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(Received 11 December 2009; accepted 10 February 2010; published online 5 March 2010)

A capacitive-type counter of nanoparticles in air, based on measurement of the capacitance of a capacitor with a variable dielectric part, has been developed. The method is suitable for detection of aerosols in a wide concentration range, regardless of shape or chemical composition. The method is demonstrated experimentally and verified by numerical simulations. The counter allows for construction of a simple, portable, and cheap nanoparticle detector for air quality control.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

aerosols, air pollution measurement, capacitors, nanoparticles, nanotechnology, numerical analysis

PACS

  • 89.60.Ec

    Environmental safety

  • 07.07.Df

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

  • 82.80.-d

    Chemical analysis and related physical methods of analysis

  • 84.32.Tt

    Capacitors

  • 82.70.Rr

    Aerosols and foams

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3352554

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.
    R. D. Santos and W. H. Stevenson, Appl. Phys. Lett. 30, 236 (1977)APPLAB000030000005000236000001.


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