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

Climate change and global warming have been two massive concerns for the scientific
community during the last few decades. Anthropogenic emissions of greenhouse gases …

Oxidation reactions on semiconducting metal oxide (SMOs) surfaces have been extensively
worked on in catalysis, fuel cells, and sensors. SMOs engage powerfully in energy-related …

Since the development of the first chemoresistive metal oxide based gas sensors,
transducers with innovative properties have been prepared by a variety of wet‐and dry …

In this work, flame-spray-made undoped SnO2 nanoparticles were loaded with 0.1–5 wt%
electrolytically exfoliated graphene and systematically studied for NO2 sensing at low …

Nitrous oxide (N2O), also known as laughing gas, is arguably one of the most detrimental
greenhouse gases while concurrently being overlooked by the public. Specifically, N2O is∼ …

Two-dimensional violet phosphorus (VP) has emerged as a new sensing material in various
sensing applications due to its unique electrical properties and high stability among …

In this paper, ultra-sensitive hydrogen (H2) gas sensors based on flame-spray-made Pd-
catalyzed SnO2 nanoparticles is presented. Pd-loaded SnO2 crystalline nanoparticles with …

A polyaniline–tungsten oxide hybrid nanocomposite with honeycomb type morphology was
synthesized by in situ one pot chemical oxidative method and used for sulfur dioxide (SO2) …

A mixed-potential based sensor utilizing transition metal oxide (Ni, Co, Fe)-tin oxide
nanocomposite sensing electrodes are fabricated for the first time and investigated for the …