Room-temperature semiconductor gas sensors: challenges and opportunities

Y Tang, Y Zhao, H Liu - ACS sensors, 2022 - ACS Publications
Our demand for ubiquitous and reliable gas detection is spurring the design of intelligent
and enabling gas sensors for the next-generation Internet of Things and Artificial …

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 …

Synergistic Effect of Electron Scattering and Space Charge Transfer Enabled Unprecedented Room Temperature NO2 Sensing Response of SnO2

Y Zhang, Y Jiang, Z Yuan, B Liu, Q Zhao, Q Huang, Z Li… - Small, 2023 - Wiley Online Library
Metal oxide gas sensors have long faced the challenge of low response and poor selectivity,
especially at room temperature (RT). Herein, a synergistic effect of electron scattering and …

ZnO nanosheets abundant in oxygen vacancies derived from metal‐organic frameworks for ppb‐level gas sensing

H Yuan, SAAA Aljneibi, J Yuan, Y Wang… - Advanced …, 2019 - Wiley Online Library
Surmounting the inhomogeniety issue of gas sensors and realizing their reproducible ppb‐
level gas sensing are highly desirable for widespread deployments of sensors to build …

Metal-oxide-semiconductor based gas sensors: screening, preparation, and integration

J Zhang, Z Qin, D Zeng, C **e - Physical Chemistry Chemical Physics, 2017 - pubs.rsc.org
Metal-oxide-semiconductor (MOS) based gas sensors have been considered a promising
candidate for gas detection over the past few years. However, the sensing properties of MOS …

SnO2: A comprehensive review on structures and gas sensors

S Das, V Jayaraman - Progress in Materials Science, 2014 - Elsevier
Metal oxides possess exceptional potential as base materials in emerging technologies. In
recent times, significant amount of research works is carried out on these materials to assess …

Two-dimensional black phosphorus/tin oxide heterojunctions for high-performance chemiresistive H2S sensing

Y Zhou, Z Hu, H Zhao, Y Wang, J Li, C Zou - Analytica Chimica Acta, 2023 - Elsevier
Hydrogen sulfide (H 2 S) emission from industrial fields and bacteria decomposing of sulfur-
containing organic matter poses a significant impact on human health and atmospheric …

Three-in-one Ni doped porous SnO2 nanorods sensor: Controllable oxygen vacancies content, surface site activation and low power consumption for highly selective …

J Li, M Zheng, M Yang, X Zhang, X Cheng… - Sensors and Actuators B …, 2023 - Elsevier
Introducing oxygen vacancies and surface site activation is an effective method to enhance
metal oxide gas sensing. However, the regulation of oxygen vacancy concentration within …

[HTML][HTML] Defect engineering on SnO2 nanomaterials for enhanced gas sensing performances

Y **ong, Y Lin, X Wang, Y Zhao, J Tian - Advanced Powder Materials, 2022 - Elsevier
Although defect engineering opens up new opportunities in the field of gas sensors, the
introduction of defects to enhance the gas sensing properties of metal oxide semiconductors …

Porous ZnO Polygonal Nanoflakes: Synthesis, Use in High-Sensitivity NO2 Gas Sensor, and Proposed Mechanism of Gas Sensing

M Chen, Z Wang, D Han, F Gu… - The Journal of Physical …, 2011 - ACS Publications
Unique porous ZnO polygonal nanoflakes were synthesized by the microwave hydrothermal
method. The structural properties of the products were investigated by using X-ray …