Dilute hydrogen sulfide sensing properties of CuO-SnO2 thin film prepared by low-pressure evaporation method

Jun Tamaki, Kengo Shimanoe, Yoshihiro Yamada, Yoshifumi Yamamoto, Norio Miura, Noboru Yamazoe

研究成果: ジャーナルへの寄稿記事

抄録

A low pressure evaporation method was adopted for preparing SnO2 and CuO-SnO2 thin films. Metallic tin and copper were evaporated on the alumina substrate under a low pressure (1 torr) of air atmosphere. As observed with AFM, these evaporated films had unique microstructure in which discrete clusters of SnO2 grains (30 nm) contacted to each other two-dimensionally with large mesopores penetrating between. The film added with a small amount of CuO exhibited very high sensitivity to H2S in air, being able to detect dilute H2S close to 0.02 ppm at 300 °C. The high sensitivity seems to result from the unique promoting effect of CuO coupled with the unique microstructure of the film.

元の言語英語
ページ(範囲)121-125
ページ数5
ジャーナルSensors and Actuators, B: Chemical
49
発行部数1-2
出版物ステータス出版済み - 6 25 1998

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Hydrogen Sulfide
hydrogen sulfide
Hydrogen sulfide
Evaporation
low pressure
evaporation
Thin films
thin films
microstructure
Microstructure
Tin
Aluminum Oxide
sensitivity
air
Air
Copper
tin
Alumina
aluminum oxides
atomic force microscopy

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

これを引用

Dilute hydrogen sulfide sensing properties of CuO-SnO2 thin film prepared by low-pressure evaporation method. / Tamaki, Jun; Shimanoe, Kengo; Yamada, Yoshihiro; Yamamoto, Yoshifumi; Miura, Norio; Yamazoe, Noboru.

:: Sensors and Actuators, B: Chemical, 巻 49, 番号 1-2, 25.06.1998, p. 121-125.

研究成果: ジャーナルへの寄稿記事

Tamaki, Jun ; Shimanoe, Kengo ; Yamada, Yoshihiro ; Yamamoto, Yoshifumi ; Miura, Norio ; Yamazoe, Noboru. / Dilute hydrogen sulfide sensing properties of CuO-SnO2 thin film prepared by low-pressure evaporation method. :: Sensors and Actuators, B: Chemical. 1998 ; 巻 49, 番号 1-2. pp. 121-125.
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