EFFECT OF CATALYST ON DETECTION CHARACTERISTICS OF SEMICONDUCTING OXIDE ODOR SENSORS

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概要

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• It has bee well known that addition of small amount of catalyst can induce a considerable improvement of the detection sensitivity of oxide gas sensors. The catalyst has usually been added to oxides in the form of gas or liquid phase. In this paper a conventional method of adding catalyst in the form of power of catalytic metal oxide has been satisfactorily used for oxide odor sensors. Ag_2O, PdO and PtO_2 powders are employed to investigate the effect of Ag, Pd and Pt as catalyst on the detection sensitivity of SnO_2 thick film sensors. It is observed that the addition of Ag_2O and PdO shows a remarkable enhancement of the detection sensitivity in comparison with the case of PtO_2.

• 2005-03-18

著者

• Katsuno Manami

  Department Of Electrical And Electronic Engineering

関連論文

• EFFECT OF CATALYST ON DETECTION CHARACTERISTICS OF SEMICONDUCTING OXIDE ODOR SENSORS

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