Artificial olfaction based on gas sensor arrays aims to substitute for, support, and surpass
human olfaction. Like mammalian olfaction, a larger number of sensors and more signal …

Owing to the fast development of wireless information technologies at the high-frequency
range, the electromagnetic interference problem has been of increasing significance and …

With the increasing demands of indoor air quality monitoring, highly sensitive and selective
gas sensor arrays consisting of metal oxide semiconductors have been increasingly studied …

Gas sensors are indispensable for detecting harmful gases in the environment. The
morphology of a gas sensor significantly affects its sensing performance. Among the various …

The humidity dependence of the gas sensing characteristics of metal oxide semiconductors
has been one of the greatest obstacles for gas sensor applications during the last five …

The electrical properties of reduced graphene oxide (rGO) have been previously shown to
be very sensitive to surface adsorbates, thus making rGO a very promising platform for …

Artificial olfactory system has been received increasing attention due to its important
applications in future artificial nose, humanoid robot and next generation human-computer …

Noble metals or oxide catalysts have traditionally been loaded or doped to enhance the gas
sensing properties of oxide semiconductor chemiresistors. However, the selective detection …

A single gas sensor with dual functionality for ultrasensitive and highly selective detection of
p-xylene and toluene was designed using NiO hollow spheres doped with Nb. The pure and …

In recent years, significant interest has emerged in the synthesis of nanoscale materials
owing to their superior and enhanced functional properties. And metal oxides based …