Hazardous gases have been strongly associated with being a detriment to human life within
the environment. The development of a reliable gas sensor with high response and …

This review paper encompasses a detailed study of semiconductor metal oxide (SMO) gas
sensors. It provides for a detailed comparison of SMO gas sensors with other gas sensors …

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

The rapid development of the Internet of Things (IoT)-enabled applications and connected
automation are increasingly making sensing technologies the heart of future intelligent …

Semiconductor metal oxides (SMOxs) are widely used in gas sensors due to their excellent
sensing properties, abundance, and ease of manufacture. The best examples of these …

Formaldehyde sensors are essential devices in the indoor air quality monitoring and gas
leakage detection in industrial areas. Enormous efforts are made to promote the …

Heterostructures of TiO2@ Fe2O3 with a specific electronic structure and morphology
enable us to control the interfacial charge transport necessary for their efficient …

In 1991, Iijima reported on the formation of carbon nanotubes (1) using a simple arc
discharge reaction that led to an arrangement of the material in some micrometer long tubes …

Sensors have currently become increasingly important in a world where technological
advances demand precise information of numerous categories. 1, 2 They have been widely …

The construction of heterojunctions has been widely applied to improve the gas sensing
performance of composites composed of nanostructured metal oxides. This review …