With the rapid development of the Internet of Things, there is a great demand for portable
gas sensors. Metal oxide semiconductors (MOS) are one of the most traditional and well …

Reduced graphene oxide has similar mechanical, optoelectronic or conductive properties to
pristine graphene because it possesses a heterogeneous structure comprised of a …

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

Ammonia (NH3) is an irritant gas with a unique pungent odor; sub-parts per million-level
breath ammonia is a medical biomarker for kidney disorders and Helicobacter pylori …

Developing efficient sensing materials with superior sensing capabilities of sensitive, fast,
selective detection of volatile organic compounds (VOCs) is necessary for fields like …

Incorporation of reduced graphene oxide (rGO) modifies the properties of semiconducting
metal oxide nanoparticles and makes it possible to tune the surface area and pore size to …

Accurate monitoring of physiological temperatures is important for the diagnosis and
tracking of various medical conditions. This work presents the design, fabrication, and …

The novel Z-scheme WO 3 nanosheets-carbon dots (CDs) composites were prepared by
assembling carbon dots with different terminal groups of amine groups and carboxylic acid …

Metal oxide semiconductors (MOSs) are ideal sensing materials for detecting volatile
organic compounds due to their low cost, diversity, high stability, and ease of production …

Nowadays, the detection of volatile organic compounds (VOCs) at trace levels (down to ppb)
is feasible by exploiting ultra-sensitive and highly selective chemoresistors, especially in the …