Gas Sensors Based on Well-Defined Nanostructured Thin Films

  • A. Nedic
  • F. E. Kruis
Part of the NanoScience and Technology book series (NANO)


The ability to prepare nanoparticles having well-defined size and narrow size distribution is an important advantage for optimising and understanding nanoparticulate gas sensors. It allows to monitor the size effect of SnO\(_{2}\) particles as well as that of the addition of the noble metal particles on sensing behaviour. The synthesis of monodisperse SnOx, Pd and Ag nanoparticles and the development the thin films deposition technology as well as suitable microchip platforms are described. Sensing results of SnO\(_{x}\):M mixed nanoparticle layers are presented, especially the effects of operating temperature, particle size, type of noble metal additive and electrode distance are investigated. Sensor to sensor reproducibility as well as long-term stability is investigated. Finally, pure Pd nanoparticle layers are demonstrated to show concentration-specific H\(_{2}\) sensing at room temperature.


Propane Concentration Mach Disc Electrode Distance Scanning Mobility Particle Sizer Differential Mobility Analyser 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • A. Nedic
    • 1
  • F. E. Kruis
    • 1
  1. 1.Faculty of Engineering and CENIDEUniversity of Duisburg-EssenDuisburgGermany

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