Synthesis of hierarchical SnO2 nanoflowers with enhanced acetic acid gas sensing properties

Food quality assessment using chemoresistive gas sensors: achievements and future perspectives

“…122,123 Jin et al reported an acetic acid sensor using three-dimensional hierarchical ower-like SnO 2 synthesized by a template-free hydrothermal method. 100 The ower-like SnO 2 exhibited a high response to acetic acid (R a R g −1 = 47.7 to 100 ppm at 260 °C) with a signicantly rapid response and recovery time, owing to its high specic surface area. Similarly, Geng et al enhanced the acetic acid sensing properties by increasing the surface area and porosity of CuO.…”

Novel synthesis of ternary nanocomposites with β-SiC fibers, SnO2, and In2O3 for atmospheric gas sensing under high temperature conditions

“…The gas sensing response of SnO 2 showed variations with a rise in temperature, which confirmed that the recovery capability of the sensor was adequate and speedy. 27,28 A fast responserecovery speed is essential for gas sensors. The response and recovery times of the SnO 2 sensor were 20 s and 40 s at 100 1C temperature.…”

Indium-Doped SnO2 Based Surface Acoustic Wave Gas Sensor with Ba0.6Sr0.4TiO3 Film

“…Among them, tin oxide (IV) (SnO 2 ) is an n-type semiconductor that has received a great deal of attention due to its superior sensitivity, low cost, fast kinetics, chemical stability and reproducibility [24,25]. However, most of the SnO 2 -based gas sensors currently available operate at elevated temperatures, typically in the range of 200-400 • C [26,27]. For instance, Shooshtari et al reported the fabrication of TiO 2 nanowirebased resistive ethanol vapor sensors and evaluated the performance of the sensors at different operating temperatures [28].…”