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

In recent years, gas sensors have been increasingly used in industrial production and daily
life. Metal oxide semiconductor gas sensing materials are favoured for their outstanding …

This work investigated the triggering mechanism of peroxymonosulfate (PMS) activated by
an oxygen vacancy (O v)-rich cobalt (Co)-based hydrotalcite-like compound (CA-LDH). CA …

Artificial olfaction based on gas sensor arrays aims to substitute for, support, and surpass
human olfaction. Like mammalian olfaction, a larger number of sensors and more signal …

Real-time monitoring of harmful gases is of great significance to identify the environmental
hazards to people's lives. However, this application scenario requiring low-power …

Monitoring and detection of triethylamine (TEA) gas are indispensable to environmental and
human safety. However, TEA gas sensor suffers from low response. Herein, unique …

Clean air is probably the most essential before water for human health and well-being, but
human activities associated with socioeconomic developments are the key pollution …

Two-dimensional (2D) layered inorganic nanomaterials have attracted huge attention due to
their unique electronic structures, as well as extraordinary physical and chemical properties …

Human health, environmental protection and safety are just a few examples of humankind's
current main concerns, that drive the scientific community to develop sensors able to monitor …

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 …