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Vol 149
Pages:
109-111
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RUS
Research article
Environmental monitoring and environmental safety

Enhancement of hydrogen gas sensitivity of Sn02 films when doped with palladium

Authors:
S. I. Rembeza1
T. V. Svistova2
O. I. Borsyakova3
E. S. Rembeza4
About authors
  • 1 — Voronezh State Technical University
  • 2 — Voronezh State Technical University
  • 3 — Voronezh State Technical University
  • 4 — Voronezh State University
Date submitted:
2000-10-24
Date accepted:
2000-11-22
Date published:
2001-12-28

Abstract

The sensitiveness and effectiveness of sensors in gas analyzers, which use tin dioxide and function on the principle of a near-surface area of spatial charge and changes of electric resistance of a film while adsorbing molecules of gases, largely depend on grain size and the presence of admixtures of noble metals. The research of the influence of admixtures on hydrogen, conducted in laboratory conditions, have established dependence of film surface resistance on the function of temperature and a mechanism of the given phenomenon.

Рембеза С.И., Свистова Т.В., Борсякова О.И., Рембеза Е.С. Повышение газовой чувствительности к водороду пленок Sn02 при их легировании палладием // Записки Горного института. 2001. Т. № 5 149. С. 109-111.
Rembeza S.I., Svistova T.V., Borsyakova O.I., Rembeza E.S. Enhancement of hydrogen gas sensitivity of Sn02 films when doped with palladium // Journal of Mining Institute. 2001. Vol. № 5 149. p. 109-111.
Go to volume 149

References

  1. Бутурлин А.И. Полупроводниковые датчики на основе металлооксидных полупроводников / А.И.Бутурлин, Г.А.Габузян, Н.А.Голованов и др. // Зарубежная электронная техника 1983. № 10.
  2. Papadopoulos С.Л., Avaritsiolis J.N. A model for the gas sensing proporties of tin oxide thin films with surface catalysts // Sensors and Actuators. 1995. Vol. 28.
  3. Watson J. Ihokura K. The tin dioxide gas sensor 11 G.S.V Coles. Meas. Sci. Technol. 1993. № 4.
  4. Matsushima S., Teraoka Y., Miura N. And Yamazoe N. Electronic Interaction between Metal Additives and Tin Dioxide in Tin Dioxide-Based Gas Sensors // Appl. Phys. 1988. Vol.27.
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