Low-temperature and high-selectivity Ag/Co3O4 toluene sensor based on lattice oxygen and d-band and investigation of response behavior shifts induced by Ag …

H Zhu, W Liu, Z Jiang, P Qiu, X Yang, C Siqin… - Sensors and Actuators B …, 2024 - Elsevier
Currently, the sensing mechanism of toluene remains controversial. The sensing action of
toluene is often attributed to adsorbed oxygen based on acknowledged Wolkenstein model …

Glycerin-assisted assembly of hierarchical In2O3/ZnO micro-flowers with an in-plane folded shell structure for chemiresistive triethylamine detection

X Chen, Z Liu, S Li, Y Sun, Y Zhang, Y Xu - Sensors and Actuators B …, 2024 - Elsevier
Extraordinary behavior of semiconductor metal oxide-based gas sensors is broadly applied
in gas supervision, but they usually suffer from high operating temperature, gas cross …

Chemiresistive detection of xylene vapor using MOF-derived porous Co3O4 microrods activated by Mo6+ cations

W Yang, B Fang, Y Zhang, G Ma, H Meng… - Sensors and Actuators B …, 2025 - Elsevier
Incorporation of high-valence cation into catalytic oxide (eg. Co 3 O 4) is favorable for
regulating the carrier concentration and creating more active centers for surface reaction …

Trace detection of benzene, toluene and xylene (BTX) by chemiresistive metal oxide-based gas sensors: Recent advances in heterojunction materials design

Y Chen, J Xu, Y Pan, Q Cao, K Yuan - Chinese Chemical Letters, 2024 - Elsevier
As the chemical industry expands, the use of benzene, toluene, and xylene (collectively
known as BTX) in industrial production has increased greatly. Meanwhile, the toxic nature …

Strategies to detect xylene gas using chemoresistive gas sensors: An overview

M Hjiri - Journal of Industrial and Engineering Chemistry, 2024 - Elsevier
Abstract Xylene (C 8 H 10) is an aromatic volatile organic compound (VOC) with high toxicity
and carcinogenic nature. Resistance sensors are good choice for reliable detection of …

Ag29 nanoclusters loaded ultra-thin porous SnO2 nanosheets for ppb level isopropanol detection

J Fang, Y Fan, W Wang, Q Wang, D Liu, Y Chen… - Talanta, 2025 - Elsevier
Although loading noble metal silver (Ag) is one of the strategies to improve the performance
of semiconductor metal oxide (SMO) sensors, traditional methods of synthesizing Ag …

Building adsorption-segregated sites of gas molecules for sensitive xylene detection

M Guo, X Jia, X Wang, X Li, Z Xue, J Xu - Sensors and Actuators B …, 2024 - Elsevier
Reasonably engineering the adsorption and excitation sites of oxygen and target gas
molecules for expected sensing properties of semiconductor metal oxides (SMO) is still …

Metal–organic framework-derived mesoporous Co 3 O 4 with high specific surface area for enhanced xylene sensing

L Wang, G Zhang, R Zhang, S Yang, W Huang… - New Journal of …, 2024 - pubs.rsc.org
Metal–organic frameworks (MOFs) have unique potential in the field of gas sensing due to
their ultra-high specific surface area and abundant mesoporous structure. In this paper, a …

Engineering pore-size in mesoporous Co3O4 stacked nanosheets for xylene-sensing response

W Li, X Yang, J Lu, Y Zhang, W Yang - Vacuum, 2024 - Elsevier
Surface pore-size effect plays a crucial role in determining the gas-sensing ability of metal
oxides. However, it maintains a certain challenge to reveal the relationship between the …

[HTML][HTML] Detection of Xylene Using Ni(OH)2-Enhanced Co3O4 Nanoplate via p–n Junctions

M Ran, Z Yuan, H Zhu, H Gao, F Meng - Chemosensors, 2023 - mdpi.com
This study reports a novel Ni (OH) 2/Co3O4 heterostructured nanomaterial synthesized
through a simple two-step hydrothermal method combined with subsequent heat treatment …