In the recent past a great deal of research efforts were directed toward the development of
miniaturized gas-sensing devices, particularly for toxic gas detection and for pollution …

This article provides a comprehensive review of current research activities that concentrate
on chemical sensors based on nanotubes, nanorods, nanobelts, and nanowires. We devote …

Graphene is a two-dimensional material with extremely favorable chemical sensor
properties. Conventional nanolithography typically leaves a resist residue on the graphene …

Highly porous and nanostructured SnO2 thin-film gas sensors with Pt interdigitated
electrodes have been fabricated via a combustion chemical vapor deposition process. The …

Use of hydrogen, oxygen, and carbon oxide semiconductor sensors made of metal oxides
allows controlling electronically the content of these gases in operation of many hydrogen …

Many types of sensors have been developed to detect chemical species in the gas phase.
These include optical based on color change or fluoresence, surface acoustic wave (SAW) …

Processes for developing layers onto a substrate as the active component of metal oxide
gas sensors are presented and other promising alternatives as thermal spraying are also …

An important application of thin film technology from the point of view of global energy
crunch is solar cell, which converts the energy of the solar radiation into useful electrical …

The role and activity of catalytic additives on solid-state gas sensors are determined by the
additive chemical state, aggregation form and interaction with the semiconductor oxide. All …

Hydrogen gas, within the concentration range of 100ppm–4vol.%, is successfully sensed at
lower operating temperatures, 25 and 50° C, using the Pt-sputtered sol–gel dip-coated …