Rational design of semiconductor‐based chemiresistors and their libraries for next‐generation artificial olfaction

SY Jeong, JS Kim, JH Lee - Advanced Materials, 2020 - Wiley Online Library
Artificial olfaction based on gas sensor arrays aims to substitute for, support, and surpass
human olfaction. Like mammalian olfaction, a larger number of sensors and more signal …

Air pollution monitoring using near room temperature resistive gas sensors: A review

R Ghosh, JW Gardner, PK Guha - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The growth of industries and other human activities have led to ever increasing amounts of
pollutants in both outdoor and indoor spaces. These pollutants have hazardous effects on …

E-nose based on a high-integrated and low-power metal oxide gas sensor array

Z Li, J Yu, D Dong, G Yao, G Wei, A He, H Wu… - Sensors and Actuators B …, 2023 - Elsevier
To improve the poor selectivity of a semiconductor gas-sensor system, an array of sensors
can be utilized. However, this increases the system's size and power consumption. To …

Selective discrimination of VOCs applying gas sensing kinetic analysis over a metal oxide-based chemiresistive gas sensor

S Acharyya, S Nag, S Kimbahune, A Ghose, A Pal… - ACS …, 2021 - ACS Publications
Semiconducting metal oxide-based gas sensors have inadequate selectivity as they are
responsive toward a variety of gases. Here, we report the implementation of gas sensing …

Visible light assisted trace gaseous NO2 sensor with anti-humidity ability via LSPR enhancement effect

Y Sun, J Hu, Y Zhang - Sensors and Actuators B: Chemical, 2022 - Elsevier
Transition metal dichalcogenides (TMDs) have been received widespread attention for NO 2
detection at room temperature. However, the TMDs-based gas sensors usually possess …

Room-temperature ppb-level NO2 sensitivity of three-dimensional ordered macroporous Au-loaded SnO2 under intermittent UV light irradiation

K Hu, Y Li, C Ge, L Bai, G Liu, G Qiao, SG Kang… - Sensors and Actuators B …, 2023 - Elsevier
Metal oxide gas sensors operated at room temperature are highly desirable from the point of
view of energy conservation. However, they typically suffer from a long recovery time and a …

Ultra-selective tin oxide-based chemiresistive gas sensor employing signal transform and machine learning techniques

S Acharyya, S Nag, PK Guha - Analytica Chimica Acta, 2022 - Elsevier
Selective detection of gases has been a major concern among metal-oxide based
chemiresistive gas sensors due to their intrinsic cross-sensitivity. In this endeavor, we report …

Statistical shape analysis pre-processing of temperature modulated metal oxide gas sensor response for machine learning improved selectivity of gases detection in …

VV Krivetskiy, MD Andreev, AO Efitorov… - Sensors and Actuators B …, 2021 - Elsevier
Abstract Development of new signal processing approaches is essential for improvement of
the reliability of metal oxide gas sensor performance in real atmospheric conditions …

A Transparent Nanopatterned Chemiresistor: Visible‐Light Plasmonic Sensor for Trace‐Level NO2 Detection at Room Temperature

K Lim, YM Jo, JW Yoon, JS Kim, DJ Lee, YK Moon… - Small, 2021 - Wiley Online Library
The highly selective detection of trace gases using transparent sensors at room temperature
remains challenging. Herein, transparent nanopatterned chemiresistors composed of …

Smart and selective gas sensor system empowered with machine learning over IoT platform

S Acharyya, A Ghosh, S Nag… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
Simple, accurate, portable, and selective gas sensors with autonomous, remote, and real-
time access have become a requisite in various fields of applications. In this article, we …