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 …

Engineering approaches designed to improve the parameters of conductometric gas
sensors, are considered in this short survey. In particular, in the first part of the paper we …

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

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 …

Low-level detection of ethanol and H2S was achieved with thermally modulated WO3
nanoparticle gas sensors. Nanoparticle WO3 films, with a mean grain size of∼ 5nm and a …

The gas sensing behavior of a single SnO2 gas sensor was investigated based on a
dynamic measurement method in which temperature was modulated by heating waveform …

The temperature modulation of the SnO 2-based metal oxide sensor with the addition of PdO
x opened up the possibility of selective analysis of both conventionally one-component …

This article presents a sensor excitation and signal processing approach that combines
temperature modulation and transient analysis to enhance the selectivity and sensitivity of …

The selectivity of metal oxide gas sensors can be improved by operating the sensors in a
temperature-modulated mode. Although the selection of optimal modulating frequencies …

Temperature modulation of semiconductor gas sensors is a powerful strategy to improve
selectivity and stability of gas sensor arrays in applications where different gases have to be …