Metal oxide nanoparticles have been widely utilized for the fabrication of functional gas
sensors to determine various flammable, explosive, toxic, and harmful gases due to their …

Metal-oxide nanomaterials (MONs) have gained considerable interest in the construction of
flexible/wearable sensors due to their tunable band gap, low cost, large specific area, and …

In this review, the different important parameters having significant effects on the sensing
behavior of semiconductor metal oxide (SMO) based chemiresistive gas sensors have been …

The alarming rise of indoor pollution and the need to combat the associated negative effects
have promoted increasing attention in modernizing the chemical sensing technologies by …

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

Exhaled human breath analysis is a very promising field of research work having great
potential for diagnosis of diseases in non-invasive way. Breath analysis has attracted huge …

Abstract Tungsten oxide (WO 3), a typical n-type gas-sensing material, has attracted
considerable attention to detect various hazardous gases. Previous studies indicated that …

This paper discusses the direct fabrication of ultrathin Ni (OH) 2 nanosheets on substrates
via a facile solvothermal process, which is free from the use of additional surfactants. The …

Metal oxide semiconductors (MOS) have attracted much attention in constructing various
gas sensors because of their low cost, portability, easy to manufacture, and high sensitivity …

Nowadays, there is increasing interest in fast, accurate, and highly sensitive smart gas
sensors with excellent selectivity boosted by the high demand for environmental safety and …