Cited by 183Advanced Chemical Sensor TechnologiesGas Sensing Nanomaterials and SensorsSpectroscopy and Laser Applications

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Chemiresistive Sensor Arrays for Gas/Volatile Organic Compounds Monitoring: A Review

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Abstract

Gas detection and monitoring are essential due to their direct impact on human health, environment, and ecosystem. Chemiresistive sensors are one of the most used classes of sensors for monitoring and measurement of gases thanks to their ease of fabrication, customizability, mechanical flexibility, and fast response time. While chemiresistive sensors can offer good sensitivity and selectivity to a particular gas in a controlled environment with known interferences, they may not be able to differentiate between various gases having similar physiochemical properties under uncontrolled conditions. To address this shortcoming of chemiresistive gas sensors, sensor arrays have been the subject of recent studies. Gas sensor arrays are a group of individual gas sensors that are arranged to simultaneously detect and differentiate multiple cross‐reactive gases. In this regard, various sensor array technologies have been developed to differentiate a given set of gases using multivariate algorithms. This review provides an insight into the different algorithms that are used to extract the data from the sensor arrays, highlighting the fabrication techniques used for developing the sensor array prototypes, and different applications in which these arrays are used.

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Metadata

Authors
Rath, R. J., Farajikhah, S., Oveissi, F., Dehghani, F., & Naficy, S.
Affiliations
The University of Sydney (AU)
Corresponding author
Farajikhah, Syamak
Venue
Advanced Engineering Materials
Publisher
Wiley
Published
2022-12
Volume
25
Issue
3
ISSN
  • 1438-1656 (ISSN-L)
  • 1527-2648
OpenAlex
W4308934377
Cited by
183
References
3
Citations by year
2026: 34 · 2025: 75 · 2024: 54 · 2023: 20
FWCI
3.28
Type
journal article
Language
en
Open access
Locations
Advanced Engineering Materials (publishedVersion, cc-by-nc)
Funders
Australian Research Council (LP180100309)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced Chemical Sensor Technologies
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Gas Sensing Nanomaterials and Sensors
  • Physical Sciences › Chemistry › Spectroscopy › Spectroscopy and Laser Applications
Keywords
chemiresistive gas sensors, gas sensor arrays, volatile organic compounds, gas sensing, gas discrimination, sensor selectivity

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