Role of oxygen vacancies in nanostructured metal-oxide gas sensors: a review

M Al-Hashem, S Akbar, P Morris - Sensors and Actuators B: Chemical, 2019 - Elsevier
Investigations into the mechanisms governing the behavior of metal oxide gas sensors
continue to be of great interest. Oxygen vacancies are a ubiquitous defect in this class of …

Editors' choice—Critical review—A critical review of solid state gas sensors

GW Hunter, S Akbar, S Bhansali… - Journal of The …, 2020 - iopscience.iop.org
Solid state gas sensors are a core enabling technology to a range of measurement
applications including industrial, safety, and environmental monitoring. The technology …

Conduction mechanisms in one dimensional core-shell nanostructures for gas sensing: A review

P Karnati, S Akbar, PA Morris - Sensors and Actuators B: Chemical, 2019 - Elsevier
Metal oxide based core-shell (CS) nanostructures have been studied for gas sensing
applications to mitigate poor selectivity. When designing core-shell nanostructures with nn …

A review on two-dimensional materials for chemiresistive-and FET-type gas sensors

J Zhang, L Liu, Y Yang, Q Huang, D Li… - Physical Chemistry …, 2021 - pubs.rsc.org
Two-dimensional (2D) materials have shown great potential for gas sensing applications
due to their large specific surface areas and strong surface activities. In addition to the …

Gas sensors and factors influencing sensing mechanism with a special focus on MOS sensors

DY Nadargi, A Umar, JD Nadargi, SA Lokare… - Journal of Materials …, 2023 - Springer
Industrialization and its progress are very important for the economy and to move towards
prosperity, stimulating innovation and creating jobs. Nonetheless, industrialization has …

Recent advances in electrochemical impedance spectroscopy based toxic gas sensors using semiconducting metal oxides

V Balasubramani, S Chandraleka… - Journal of the …, 2020 - iopscience.iop.org
Abstract Electrochemical Impedance Spectroscopy (EIS) in the past few years has been
used to design gas sensors. EIS based gas sensing has been considered as an ultra …

Extraordinary performance of semiconducting metal oxide gas sensors using dielectric excitation

RA Potyrailo, S Go, D Sexton, X Li, N Alkadi… - Nature …, 2020 - nature.com
Semiconducting metal oxides are widely used for gas sensors. The resulting chemiresistor
devices, however, suffer from non-linear responses, signal fluctuations and gas cross …

Metal oxide gas sensors, a survey of selectivity issues addressed at the SENSOR Lab, Brescia (Italy)

A Ponzoni, C Baratto, N Cattabiani, M Falasconi… - Sensors, 2017 - mdpi.com
This work reports the recent results achieved at the SENSOR Lab, Brescia (Italy) to address
the selectivity of metal oxide based gas sensors. In particular, two main strategies are being …

Selectivity mechanisms in resistive-type metal oxide heterostructural gas sensors

J Walker, P Karnati, SA Akbar, PA Morris - Sensors and Actuators B …, 2022 - Elsevier
Resistive-type semiconducting metal oxide (SMOX) sensors offer exciting possibilities for
designing sensing systems that can detect extremely low concentrations of gasses relevant …

A review of recent developments in tin dioxide nanostructured materials for gas sensors

EP Nascimento, HCT Firmino, GA Neves… - Ceramics …, 2022 - Elsevier
Gas sensors based on SnO 2 nanostructures have been extensively investigated in recent
years. Many recent investigations have focused on synthesizing 0D, 1D, 2D and 3D SnO 2 …