期刊
CHEMOSENSORS
卷 9, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/chemosensors9030051
关键词
chemical sensors; gas sensors; nanomaterials; nanoparticles; nanowires; copper oxide; cupric oxide; cuprous oxide; air quality monitoring; volatile organic compounds
资金
- Swedish Research Council for Sustainable Development (Formas) [2019-01353]
- Formas [2019-01353] Funding Source: Formas
- Swedish Research Council [2019-01353] Funding Source: Swedish Research Council
- Forte [2019-01353] Funding Source: Forte
Metal oxide semiconductors, particularly copper oxide nanomaterial-based devices, have been widely used in chemical sensors for detecting various gaseous analytes. Literature reports highly sensitive detection of target molecules including volatile organic compounds, hydrogen sulfide, carbon monoxide, carbon dioxide, hydrogen, and nitrogen oxide from parts-per-million down to parts-per-billion concentrations. Physico-chemical mechanisms for sensing and transduction are summarized, with prospects for future developments outlined.
Metal oxide semiconductors have found widespread applications in chemical sensors based on electrical transduction principles, in particular for the detection of a large variety of gaseous analytes, including environmental pollutants and hazardous gases. This review recapitulates the progress in copper oxide nanomaterial-based devices, while discussing decisive factors influencing gas sensing properties and performance. Literature reports on the highly sensitive detection of several target molecules, including volatile organic compounds, hydrogen sulfide, carbon monoxide, carbon dioxide, hydrogen and nitrogen oxide from parts-per-million down to parts-per-billion concentrations are compared. Physico-chemical mechanisms for sensing and transduction are summarized and prospects for future developments are outlined.
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