High-precision gas sensors operated at room temperature are attractive for various real-time
gas monitoring applications, with advantages including low energy consumption, cost …

The construction of heterojunctions has been widely applied to improve the gas sensing
performance of composites composed of nanostructured metal oxides. This review …

Metal-oxide-semiconductor (MOS) based gas sensors have been considered a promising
candidate for gas detection over the past few years. However, the sensing properties of MOS …

CuO-ZnO pn junctions were constructed by precipitating CuO nanoparticles on the surface
of ZnO nanowires followed by an annealing process. The molar ratio of Cu to Zn in the final …

In the present work, the chemo-resistive acetone sensor based on nn heterojunction was
designed and fabricated by incorporating ZrO 2 into one-dimensional In 2 O 3 nanowires …

It is critical for MXene to overcome the constraints of weak gas adsorption capacity, poor
sensitivity and limited selectivity properties. Herein, quantum dots (QDs)-sensitized few-layer …

Boron nanosheets with high surface hydrophilicity and proton conductivity are promising for
ionic devices. However, their poor electrical conductivity has severely limited their …

Highly sensitive and selective gas sensors with low energy consumption and amenable to
miniaturization are required for real-time gas monitoring applications. The challenge is to …

Gas sensors have become an integral part of the industrial and domestic sector, due to the
increased emissions from industries, automobiles, and thereby exposure of the harmful …

Abstract Undoped and Ni doped SnO 2 nanoparticles were synthesized by low temperature
polyol route and systematically investigated for gas sensing applications. XRD, SEM and …