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Catalytic properties of oxide nanoparticles applied in gas sensors

In English

Författare

  • D Lutic
  • M Strand
  • A Lloyd-Spetz
  • K Buchholt
  • E Ieva
  • PO Kall
  • Mehri Sanati

Summary, in English

A series of gas sensing layers based on indium oxide doped with gold were prepared by using the aerosol technology for deposition as the active contact layer in a metal oxide semiconductor capacitive device. The interaction between the measured species and the insulator surface was quantified as the voltage changes at a constant capacitance of the device. The sensor properties were investigated in the presence of H2, CO, NH3, NO, NO2 and C3H6 at temperatures between 100–400 °C. Significant differences in the morphology of the layer and its sensitivity were noted for different preparation methods and different gas environments.

Publiceringsår

2007

Språk

Engelska

Sidor

105-109

Publikation/Tidskrift/Serie

Topics in Catalysis

Volym

45

Issue

1-4

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Production Engineering, Human Work Science and Ergonomics

Nyckelord

  • MIS gas sensors
  • capacitive sensors
  • indium oxide
  • nanoparticles
  • catalytic effect
  • gold
  • gas detectiuon
  • NOx - CO - NH3 - C3H6.

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1572-9028