Preparation of multi-compositional gas sensing films by combinatorial solution deposition

Sun Jung Kim, Pyeong Seok Cho, Jong Heun Lee, Chong-Yun Kang, Jin Sang Kim, Seok Jin Yoon

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Various compositions of gas sensing films were prepared by the combinatorial deposition of SnO2, ZnO, and WO3 sol solutions and their gas sensing behaviors were investigated. The film composition could be manipulated conveniently via the alternate dropping of different oxide sol solutions. From the correlation between film compositions and gas sensitivities, the selective detection of C2H5OH and CH3COCH3 in the presence of CO, C3H8, H2, and NO2 could be attained. In addition, the discrimination between C2H5OH and CH3COCH3, which is a challenging issue due to their similar chemical nature, becomes possible. This research demonstrates the precise design of the sensor-material composition for the selective gas detection via the combinatorial approach.

Original languageEnglish
Pages (from-to)827-831
Number of pages5
JournalCeramics International
Volume34
Issue number4
DOIs
Publication statusPublished - 2008 May 1

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Gases
Polymethyl Methacrylate
Sols
Chemical analysis
Carbon Monoxide
Oxides
Sensors

Keywords

  • A. Films
  • B. Composites
  • C. Electrical properties
  • E. Sensors

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Preparation of multi-compositional gas sensing films by combinatorial solution deposition. / Kim, Sun Jung; Cho, Pyeong Seok; Lee, Jong Heun; Kang, Chong-Yun; Kim, Jin Sang; Yoon, Seok Jin.

In: Ceramics International, Vol. 34, No. 4, 01.05.2008, p. 827-831.

Research output: Contribution to journalArticle

Kim, Sun Jung ; Cho, Pyeong Seok ; Lee, Jong Heun ; Kang, Chong-Yun ; Kim, Jin Sang ; Yoon, Seok Jin. / Preparation of multi-compositional gas sensing films by combinatorial solution deposition. In: Ceramics International. 2008 ; Vol. 34, No. 4. pp. 827-831.
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