Sensing Behavior of CuO-Loaded SnO2 Element for H2S Detection
Tomoki Maekawa(Kyushu University), Jun Tamaki(Kyushu University), Norio Miura(Kyushu University), Noboru Yamazoe(Kyushu University)
Cited by 146
Abstract
Abstract CuO-loaded SnO2 element was found to show extraordinary sensing properties to H2S in air, with such high sensitivity as ca. 35 000 to 50 ppm H2S at 200 °C and switching-like recovery on turning off H2S. The change of state between CuO and CuS on the surface of SnO2 seems to be responsible for such unique sensing properties.
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