期刊
SCIENTIFIC REPORTS
卷 7, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41598-017-10495-8
关键词
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资金
- Ministry of Education and Science [16.1119.2017/4.6, K3-2016-031]
- Karlsruhe Nano Micro Facility (KNMF, KIT, Germany) [2016-016-012029]
Reliable environmental monitoring requires cost effective but highly sensitive and selective gas sensors. While the sensitivity of the sensors is improved by reducing the characteristic dimensions of the gas-sensing material, the selectivity is often approached by combining the sensors into multisensor arrays. The development of scalable methods to manufacture such arrays based on low-dimensional structures offers new perspectives for gas sensing applications. Here we examine an approach to produce multisensor array chips based on the TiOx nanotube layers segmented by multiple Pt strip electrodes. We study the sensitivity and selectivity of the developed chip at operating temperatures up to 400 degrees C towards organic vapors in the ppm range. The results indicate that the titania nanotubes are a promising material platform for novel cost-effective and powerful gas-analytical multisensor units.
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