NO 2 is an oxidizing gas, which is considered to be the most dangerous and most toxic gas
that should be controlled. Because of the advantages of high sensitivity, selectivity, stability …

With a series of widespread applications, resistive gas sensors are considered to be
promising candidates for gas detection, benefiting from their small size, ease-of-fabrication …

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 …

Continuous exposure to high concentration of nitrogen dioxide (NO 2) severely affects the
human respiratory system. Besides, NO 2 has been recently observed to foster COVID-19 …

CuO/WO 3 hierarchical hollow microspheres, assembled from irregular two dimensional
(2D) nanosheets, were prepared by ultrasonic-wet chemical etching and pyrolysis in this …

Room temperature gas sensors have been widely explored in gas sensor technology for
real-time applications. However, humidity has found to affect the room temperature sensing …

The development of low temperature gas sensor with ultra-high response has important
application value for actual monitoring of harmful gases. Herein, we utilized poplar branch …

Self-powered sensing devices have aroused the regime of flexible, portable, and wearable
gas sensors due to their economic and environmentally friendly nature. Highly active two …

With a rising emphasis on public safety and quality of life, there is an urgent need to ensure
optimal air quality, both indoors and outdoors. Detecting toxic gaseous compounds plays a …

Highly sensitive NO 2 gas sensors with low detection limit are vital for practical application in
air pollution monitoring. Here, the NO 2 gas sensing performance of porous ZnO nanosheets …