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KCI등재후보 학술저널

Recent Research Trend in WO3-based Gas Sensors for Enhancing Sensing Properties

WO3 기반 가스 센서의 감응 특성 향상 연구 동향

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Semiconducting Metal Oxide (SMO) gas sensors have attracted considerable attention to analyze gases in exhaled breath and monitor air quality. This paper reports a recent research trend for enhancing sensing properties of WO3 (tungsten oxide), a representative n-type gas sensing material. Firstly, the operating principle of WO3 based gas sensors is explained. Secondly, various nanostructures of WO3 from zerodimensional to three-dimensional are reviewed. Thirdly, doping and decoration as effective strategies to enhance gas sensing properties are introduced. We summarize recent progress and provide an insight for enhancing gas sensing properties of WO3 based gas sensors.

1. 서론

2. 본론

3. 결론

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