Humidity measurement is one of the most significant issues in various areas of applications
such as instrumentation, automated systems, agriculture, climatology and GIS. Numerous …

We have reviewed the humidity sensors based on ceramic materials. We first discuss the
operating principle of ceramic humidity sensors. This is followed by a section on the …

Traditional humidity sensors for respiration monitoring applications have faced technical
challenges, including low sensitivity, long recovery times, high parasitic capacitance and …

Pristine WO 3 nanorods and Cr 2 O 3-functionalized WO 3 nanorods were synthesized by
the thermal evaporation of WO 3 powder in an oxidizing atmosphere, followed by spin …

A water–air triboelectric nanogenerator (WATENG) is presented for CO2 sensing
application. During the operation of WATENG, two independent charge transfers can be …

The photocatalysis, chromism, and sensing capabilities of nanostructured tungsten oxides,
such as tungsten trioxide (WO3), its suboxides (WOx, 0< x< 3) and hydrates (WO3· nH2O, n …

Flexible devices have been rapidly developed and applied in various applications.
However, there have been few reports on printable graphene-based sensors with …

In this work, triclinic WO3 nanoplates and WO3 nanoparticles were comparatively
investigated as sensing materials to detect acetone vapors. Single-crystalline WO3 …

As a kind of lanthanide oxide functional material, Er2O3 has aroused widespread scientific
interest due to its exceptional properties; however, its humidity sensing performance …

The authors report the growth of CuO nanowires (NWs) on glass substrate and the
fabrication of CuO NW humidity sensors. It was found that average length of the CuO NWs …