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 …

The release of toxic and harmful gases seriously endangers human health and social and
environmental safety. Sensitive determination of these gases is urgently needed to meet the …

High-precision gas sensors operated at room temperature are attractive for various real-time
gas monitoring applications, with advantages including low energy consumption, cost …

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 …

Zinc oxide (ZnO) is one of the most promising metal oxide semiconductor materials,
particularly for optical and gas sensing applications. The influence of thickness and solvent …

As a kind of toxic gas, NO 2 can cause damages to the environment and threaten the health
of human beings. To develop highly sensitive NO 2 gas sensor is necessary. Here, the Rh …

This review focuses on the synthesis of p-type metal-oxide (p-type MOX) semiconductor thin
films, such as CuO, NiO, Co3O4, and Cr2O3, used for chemical-sensing applications. P-type …

In this paper, we fabricated a metal-organic frameworks-derived indium oxide hollow
microtubes/molybdenum disulfide nanoparticles (In 2 O 3/MoS 2) nanocomposite film sensor …

Nickel oxide thin films were obtained by a cost-effective chemical spray pyrolysis approach
on glass substrates using nickel chloride as starting precursor with different deposition …

The application of NO 2 sensor based on metal oxide semiconductor is limited due to high
operating temperature and poor selectivity. In this work, a low-temperature and high …