Modern gas monitoring scenarios for medical diagnostics, environmental surveillance,
industrial safety, and other applications demand new sensing capabilities. This Review …

Chemical sensor arrays have come to have an important role in the analysis of volatile
analytes. Such arrays gather data which have broad, overlapping sensitivity profiles, which …

Semiconducting metal oxides are widely used for gas sensors. The resulting chemiresistor
devices, however, suffer from non-linear responses, signal fluctuations and gas cross …

A review of semiconductor gas sensor literature pertaining to the use of temperature
modulation techniques is presented. The temperature dependence of sensor conductance is …

Desired properties of a chemical sensor include high sensitivity, a large dynamic range, high
selectivity or specificity to a target analyte, related low cross-sensitivity to interferents, perfect …

Electronic noses, or e-noses, refer to systems powered by chemical gas sensors, signal
processing, and machine learning algorithms for realizing artificial olfaction. They play a …

Gas identification by modulating temperatures of SnO2-based thick film sensors -
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In the last two decades, GaN nanostructures of various forms like nanowires (NWs),
nanotubes (NTs), nanofibers (NFs), nanoparticles (NPs) and nanonetworks (NNs) have …

Pure SnO 2 is widely used to detect VOC gases due to its high stability. Unfortunately, there
is a problem of poor selectivity, especially for gases such as ketones and alcohols, which …

Metal oxide semiconductor (MOS) gas sensors have been widely used in military and
scientific research, as well as various industries; this is because of the unique advantages of …