A chemiresistive-potentiometric multivariate sensor for discriminative gas detection
- DOI码：10.1038/s41467-023-39213-x
- 发表刊物：Nature Communications
- 摘要：Highly efficient gas sensors able to detect and identify hazardous gases are crucial for numerous applications. Array of conventional single-output sensors is currently limited by problems including drift, large size, and high cost. Here, we report a sensor with multiple chemiresistive and potentiometric outputs for discriminative gas detection. Such sensor is applicable to a wide range of semiconducting electrodes and solid electrolytes, which allows to tailor and optimize the sensing pattern by tuning the material combination and conditions. The sensor performance is boosted by equipping a mixed-conducting perovskite electrode with reverse potentiometric polarity. A conceptual sensor with dual sensitive electrodes achieves superior three-dimensional (sub)ppm sensing and discrimination of humidity and seven hazardous gases (2-Ethylhexanol, ethanol, acetone, toluene, ammonia, carbon monoxide, and nitrogen dioxide), and enables accurate and early warning of fire hazards. Our findings offer possibilities to design simple, compact, inexpensive, and highly efficient multivariate gas sensors.
- 论文类型：期刊论文
- 卷号：14
- 页面范围：3495
- 是否译文：否
- 发表时间：2023-06-13
- 发布期刊链接：https://rdcu.be/deqyT
附件：
A chemiresistive potentiometric multivariate sensor 14 2023 3495 Nat Commun.pdf
