Semiconductor-based gas sensors have been applied to a variety of applications, including
environmental, safety, and health monitoring. Extensive efforts have been made to improve …

There is rapid growth in the global gas sensor market driven by new regulations for
industrial emission control and residential environments and increasing demand for portable …

In this paper, we have developed an in-vehicle wireless driver breath alcohol detection
(IDBAD) system based on Sn-doped CuO nanostructures. When the proposed system …

To protect human health and the environment, sensitive detection of volatile organic
compounds (VOCs) with high selectivity and an ultrafast response/recovery time is required …

For developing promising gas sensing materials, constructing porous and heterojunction
structures within the whole semiconductor oxide composites was an ideal strategy …

Metal oxide nanowires (NWs) with a high surface area, ease of fabrication, and precise
control over diameter and chemical composition are among the best candidates for the …

Remarkable efforts have been devoted for enhancing gas selectivity of chemiresistors via
tuning the sensing materials. However, the selective detection of low reactive gases remains …

Composite materials are excellent candidates for gas detection owing to the synergetic
effects of different materials within the resulting composite. In this study, ZnO-polyaniline …

Effective detection of toxic and hazardous gases is crucial for ensuring human safety, and
high-performance metal oxide-based gas sensors play an important role in achieving this …

The advancement of industry and the hastening of urbanization have led to serious
problems associated with the emanation of various harmful and lethal gases, which are a …