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 …

This paper presents an overview of semiconductor materials used in gas sensors, their
technology, design, and application. Semiconductor materials include metal oxides …

SiO 2/ZnO core/shell and composite sensors with 22–97 wt% ZnO content were synthesized
by a facile ultrasonic-assisted deposition-precipitation method. As for the core, uniform silica …

High sensitivity, low limit of detection (LOD), and short response and recovery times at room
temperature (RT) are critical for gas sensors. For NO2, different binary metal oxide-based …

This study presents a comprehensive kinetic investigation for describing the dynamic
sensing process of semiconductor metal oxide (SMO)-based gas sensors, with a focus on …

Charge transport and adsorption kinetics of wet-chemically synthesized CuO nanocuboids
have been explored. The growth direction of CuO nanocuboids was found to be (111) plane …

A sensor, serving as a transducer, produces a quantifiable output in response to a
predetermined input stimulus, which may be of a chemical or physical nature. The field of …

A comparative analysis of NO2 gas-sensing performances of geometry-controlled Au-
decorated ZnO heterojunction nanostructures (nanospheres, nanorods, ultralong nanorods …

Real-time monitoring of combustion products and composition is critical to emission
reduction and efficient energy production. The fuel efficiency in power plants and automobile …

Abstract Ultralong ZnO@ Au heterojunction NRs having a diameter 60±2 nm and length
extending to several micro-meters with uniformly distributed gold (Au) nanoclusters (4±0.5 …