Extrinsic oxygen defects in SnO/SnO2 heterostructure for efficient NO2 gas detection

J Kim, M Nazarian-Samani, J Lee, S Lee, JH Pi… - Sensors and Actuators B …, 2024 - Elsevier
High selectivity and fast response in the detection of NO 2 are key factors in protecting
human health in life-threatening environments. The pn SnO/SnO 2 heterostructure is a …

A battery-free, wireless, flexible bandlike e-nose based on MEMS gas sensors for precisely volatile organic compounds detection

Z Yang, Y Liu, D Chen, J Miao, M Chen, G Liu, G Gao… - Nano Energy, 2024 - Elsevier
Real-time detection of VOCs in the car cabin is crucial for protecting driver's health. MOS gas
sensors, with the advantages of low cost, simplicity and fast response, are widely used for …

Promoted room temperature NH3 gas sensitivity using interstitial Na dopant and structure distortion in Fe0.2Ni0.8WO4

JH Lee, SY Lee, MS Choi, KH Lee - Frontiers in Chemistry, 2024 - frontiersin.org
The demand for gas-sensing operations with lower electrical power and guaranteed
sensitivity has increased over the decades due to worsening indoor air pollution. In this …

Emerging NO2 gas sensing on substitutionally doped Fe on NiWO4 SCES insulators

JH Lee, SH Kang, GH Park, MY Kim, S Ji… - Frontiers in …, 2024 - frontiersin.org
In this study, we demonstrate the emergence of NO2 gas sensing capabilities in the typically
non-active NiWO4, a strongly correlated electron system (SCES), by introducing …

Influence of pH on room-temperature synthesis of zinc oxide nanoparticles for flexible gas sensor applications

F Mechai, A Al Shboul, MO Bensidhoum, H Anabestani… - Chemosensors, 2024 - mdpi.com
This research contributes to work on synthesizing zinc oxide nanoparticles (ZnO NPs) at
room temperature (RT) and their utilization in flexible gas sensors. RT ZnO NP synthesis …

Three-dimensional photonic crystal optical gas sensor for trace detection and ultrafast response of chemical warfare agent in atmospheric humidity

Y Wang, Z Wang, Y Gao, J Yan, Y Chen, L Yang - Talanta, 2024 - Elsevier
Chemical warfare agents (CWAs) are toxic that pose a threat to the environment and human
health, even trace amounts of CWAs can be fatal. In view of this, there is an urgent need to …

Synthesis of ZnO nanorods loaded with SnO2 cubes and the mechanism of improved ethanol sensing performance with DFT calculation

K Du, L Zhang, H Shan, S Dong, X Shen, G Li - Materials Science in …, 2024 - Elsevier
ZnO nanorods are synthesized by a simple calcination method. The SnO 2/ZnO
heterojunctions composed of ZnO nanorods and SnO 2 cubes have been successfully …

Au-ZnFe2O4 hollow microspheres based gas sensor for detecting the mustard gas simulant 2-chloroethyl ethyl sulfide

J Yang, M Qin, Y Pan, L Yang, J Wei, CC Yan… - Analytical …, 2024 - Springer
Mustard gas, a representative of blister agents, poses a severe threat to human health.
Although the structure of 2-chloroethyl ethyl sulfide (2-CEES) is similar to mustard gas, 2 …

Sonochemical Synthesis, Characterization, and Photocatalytic Performance Evaluation of Au/ZnO Nanocomposite for Methyl Orange Degradation

MIH Chowdhury, K Fatema, K Afrin, F Afrose… - European Journal of …, 2023 - ejtas.com
This study examines the impact of gold (Au) incorporation on zinc oxide (ZnO) nanoparticles.
Both pure ZnO and Au/ZnO nanocomposite have been synthesized using a unique and …