Along with the progress of nanoscience and nanotechnology, nanomaterials with attractive
structural and functional properties have gained more attention than ever before, especially …

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 …

Clean air is probably the most essential before water for human health and well-being, but
human activities associated with socioeconomic developments are the key pollution …

While numerous types of gas sensors have been developed for various industries and
applications such as the automotive industry, environmental monitoring, and personal …

Considering metal oxide nanoparticles as important technological materials, authors provide
a comprehensive review of researches on metal oxide nanoparticles, their synthetic …

Gas sensors play an undeniable role in most fields of technology in the modern world; they
are broadly used for public safety, pollution monitoring, quality control, breath analysis …

As a p-type semiconductive material, Co 3 O 4 has been widely studied as gas sensor
materials, in addition to energy storage, catalyst and magnetic semiconductor. The gas …

The preparation of fast, highly responsive and reliable gas sensing devices for the detection
of acetone gas is considered to be a key challenge for the development of accurate disease …

Gas sensors have been widely used to monitor leakages and control the concentrations of
various gases, during the production and fabrication processes of industrials. Conventional …

We obtained extremely high and selective sensitivity to NO2 gas by fabricating graphene–
SnO2 nanocomposites using a commercial microwave oven. Structural characterization …