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

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

Nowadays, there is increasing interest in fast, accurate, and highly sensitive smart gas
sensors with excellent selectivity boosted by the high demand for environmental safety and …

MXenes, a new category of 2D nanomaterials, have garnered interdisciplinary attention
since groundbreaking work on Ti 3 C 2 T x in 2011. The distinctive properties of MXene …

Graphitic carbon nitride (gC 3 N 4) has gained remarkable acceptance as a visible-light-
driven photocatalyst with a distinctive 2D structure and great stability. Owing to its superior …

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 …

Gas sensors play an undeniable role in most fields of technology in the modern world; they
are broadly used for public safety, pollution monitoring, quality control, breath analysis …

Benzene, toluene, and xylene gases, which are known collectively as BTX gases, are
volatile organic compounds (VOCs) that are used extensively in many industrial products …

Gas sensors are indispensable for detecting harmful gases in the environment. The
morphology of a gas sensor significantly affects its sensing performance. Among the various …

Metal oxide semiconductor (MOS) thin films are of critical importance to both fundamental
research and practical applications of gas sensors. Herein, a high‐performance H2 sensor …