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 …

Advances in designs and mechanisms of semiconducting metal oxide nanostructures for high-precision gas sensors operated at room temperature

Z Li, H Li, Z Wu, M Wang, J Luo, H Torun, PA Hu… - Materials …, 2019 - pubs.rsc.org
High-precision gas sensors operated at room temperature are attractive for various real-time
gas monitoring applications, with advantages including low energy consumption, cost …

Strategy and Future Prospects to Develop Room-Temperature-Recoverable NO2 Gas Sensor Based on Two-Dimensional Molybdenum Disulfide

AV Agrawal, N Kumar, M Kumar - Nano-micro letters, 2021 - Springer
Abstract Nitrogen dioxide (NO 2), a hazardous gas with acidic nature, is continuously being
liberated in the atmosphere due to human activity. The NO 2 sensors based on traditional …

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 …

Graphene‐based heterostructure composite sensing materials for detection of nitrogen‐containing harmful gases

Q Feng, B Huang, X Li - Advanced Functional Materials, 2021 - Wiley Online Library
Graphene‐based heterostructure composite is a new type of advanced sensing material that
includes composites of graphene with noble metals/metal oxides/metal sulfides/polymers …

Design of ultrahigh-response gas sensor based on Pd-WO3/WS2 ternary nanocomposites for ultrafast hydrogen detection

X Wang, X Meng, Y Zhu, W Gao - Sensors and Actuators B: Chemical, 2024 - Elsevier
In this research, WS 2 nanomaterials were synthesized by a hydrothermal method at first.
Then, partially oxidized WS 2 through calcination to obtain WO 3/WS 2 binary materials via …

Selective detection of trace carbon monoxide at room temperature based on CuO nanosheets exposed to (111) crystal facets

Y Wu, J Li, M Lv, X Zhang, R Gao, C Guo… - Journal of Hazardous …, 2023 - Elsevier
In recent years, carbon monoxide (CO) intoxication incidents occur frequently, and the
sensitive detection of CO is particularly significant. At present, most reported carbon …

Live-tracking of beef freshness by sub-ppb level ammonia detection using WS 2/rGO nanoflakes incorporating edge site-enriched acidic sulfur

S Sonwal, KS Ranjith, S Han, YK Han… - Journal of Materials …, 2024 - pubs.rsc.org
Highly accurate, easily accessible room temperature wireless gas-sensing technology can
be utilized to monitor food freshness in real time to prevent food fraud and spoiled food …

2D/2D Dy2O3 Nanosheet/MoO3 Nanoflake Heterostructures for Humidity-Independent and Sensitive Ammonia Detection

Y Ou, Y Zhou, Y Guo, W Niu, Y Wang, M Jiao… - ACS …, 2023 - ACS Publications
Chemiresistive ammonia gas (NH3) sensors have been playing a significant role in the
fields of environmental protection, food safety monitoring, and air quality evaluation …

Fabrication and characterization of a high-surface area MoS 2@ WS 2 heterojunction for the ultra-sensitive NO 2 detection at room temperature

M Ikram, L Liu, Y Liu, L Ma, H Lv, M Ullah… - Journal of Materials …, 2019 - pubs.rsc.org
Two-dimensional (2D) transition metal dichalcogenides (TMDs) have to date stimulated
increasing research interest in the field of gas sensing due to their high surface to volume …