Metal oxide-based resistive-type gas sensors are solid-state devices which are widely used
in a number of applications from health and safety to energy efficiency and emission control …

In the past few decades, the development of chemosensors has become an important
research topic in supramolecular analytical chemistry, and as a result, it has attracted the …

This article extensively reviews the recent development of semiconductor metal oxide gas
sensors for environmentally hazardous gases including NO2, NO, N2O, H2S, CO, NH3 …

Abstract The Ni doped SnO 2 has been prepared by two-step hydrothermal treatment and
calcination, and characterized by XRD, TEM and Brunauer Emmett Teller N 2 adsorption …

Ultrasensitive trace detection of toxic and harmful gases has become an important research
field with increasing of human needs. This work introduces a chemiresistive type of SO 2 …

Identifying disease biomarkers and detecting hazardous, explosive, flammable, and
polluting gases and chemicals with extremely sensitive and selective sensor devices …

In this work, SnO 2 nanoparticles with Ni doping were synthesized via a facile one-step
hydrothermal route. The addition of Ni to SnO 2 lead to significant enhanced response to …

Metal oxides with hierarchical microstructures have attracted tremendous attention with
respect to their enhanced gas sensing properties. Herein, we reported the facile synthesis of …

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 …

The gas sensing sensitivity and selectivity are optimized by modulating the concentration of
p-type and n-type materials in n-SnO 2/px CuO nanocomposites. With the increase of x …