Recent advancements in development of wearable gas sensors

A Bag, NE Lee - Advanced Materials Technologies, 2021 - Wiley Online Library
In the era of the Internet of Things, wearable technologies are expected to become an
indispensable part of daily life. In recent times, highly sensitive, flexible, and stretchable …

Metal oxide semiconductors with highly concentrated oxygen vacancies for gas sensing materials: A review

C Zhang, G Liu, X Geng, K Wu, M Debliquy - Sensors and Actuators A …, 2020 - Elsevier
The introduction of oxygen vacancies into metal oxide semiconductors is an effective way to
enhance their gas sensing performance. In this review paper, firstly, the roles of oxygen …

Highly sensitive NO2 gas sensor based on ZnO nanoarray modulated by oxygen vacancy with Ce doping

K Sun, G Zhan, L Zhang, Z Wang, S Lin - Sensors and Actuators B …, 2023 - Elsevier
Developments of advanced sensors for NO 2 gas with high sensitivity and selectivity are
essential but challenging. In this work, a Ce-doped ZnO nanoarray (termed as CZO) was …

Electrospun Cu-doped In2O3 hollow nanofibers with enhanced H2S gas sensing performance

Y Zhang, S Han, M Wang, S Liu, G Liu, X Meng… - Journal of Advanced …, 2022 - Springer
One-dimensional nanofibers can be transformed into hollow structures with larger specific
surface area, which contributes to the enhancement of gas adsorption. We firstly fabricated …

Oxygen vacancy defects engineering on Ce-doped α-Fe2O3 gas sensor for reducing gases

X Wang, T Wang, G Si, Y Li, S Zhang, X Deng… - Sensors and Actuators B …, 2020 - Elsevier
Surface oxygen vacancy defects (OV) are regarded to be beneficial to the gas sensing
behavior by significantly improving the carrier density and providing more oxygen …

Oxygen vacancy-based Tb-doped SnO2 nanotubes as an ultra-sensitive sensor for ethanol detection

L Wang, S Ma, X Xu, J Li, T Yang, P Cao, P Yun… - Sensors and Actuators B …, 2021 - Elsevier
In this work, different concentrations of terbium (Tb) doped SnO 2 nanotubes (NTs) were
synthesized via simple uniaxial electros-pinning and high-temperature calcination. The …

Controllable synthesis of heterostructured CuO–NiO nanotubes and their synergistic effect for glycol gas sensing

C Su, L Zhang, Y Han, C Ren, M Zeng, Z Zhou… - Sensors and Actuators B …, 2020 - Elsevier
The rapid development of p-type metal oxide semiconductors-based gas sensors for
detecting glycol has recently attracted extensive attentions due to its huge hazard to human …

Tuning the oxygen defects and Fermi levels via In3+ doping in SnO2-In2O3 nanocomposite for efficient CO detection

FJ Meng, XM Guo - Sensors and Actuators B: Chemical, 2022 - Elsevier
In this work, In 3+ doping SnO 2-In 2 O 3 nanocomposites were successfully synthesized via
sol-gel method and grinding-annealing method. The structure and morphology of …

Method of sieving the optimal NO2 sensitive material

J Chu, Q Wang, A Yang, J Pan, Y Liu, H Yuan… - Sensors and Actuators B …, 2023 - Elsevier
NO 2 is the representative pollutant in air quality monitoring and power industry. Although
numerous gas sensors have been employed for the accurate detection of NO 2, a universal …

Zeolitic imidazolate framework-derived n-ZnO/p-Co3O4 heterojunction by ion-etching method for superior CO toxic gas sensor

T Yuan, Z Ma, F Nekouei, W Zhang, J Xu - Sensors and Actuators B …, 2023 - Elsevier
A new method of etching-calcination is proposed to produce superior CO gas sensing
materials of porous n-ZnO/p-Co 3 O 4 nanoplates. The solid rhombic dodecahedral ZIF-67 is …