With the advancement of technology and our pursuit of better living standards resulted a
concerning surge in pollutants from household, industry, automobile, and numerous other …

This paper aims to provide a large coverage of recent developments regarding
environmental monitoring using metal oxide-based sensors. Particular attention is given to …

In this paper, we investigate the potential use of Zeolitic Imidazolate Frameworks (ZIF-8) as a
sensing material for CO 2 detection. Three synthesis techniques are considered for the …

Metal oxides are widely used because of their simple structure, low price, and excellent gas-
sensitive properties. But now, the metal oxide sensor faces two challenges. One is that when …

Hazardous substances produced by anthropic activities threaten human health and the
green environment. Gas sensors, especially those based on metal oxides, are widely used …

Buildings worldwide are becoming more thermally insulated, and air circulation is being
reduced to a minimum. As a result, measuring indoor air quality is important to prevent …

Oxide materials are important for gas sensing applications. Unfortunately, most of the
synthesis methods use many toxic chemicals and need long calcination at high …

Metal–organic frameworks (MOFs) are a class of crystalline compounds with porous
characteristics and high specific surface area, featuring coordinated metal nodes and …

Metal oxide semiconductor (MOS) gas sensors are widely used for gas detection. Typically,
the hotplate element is the key component in MOS gas sensors which provide a proper and …

The MEMS gas sensor is one of the most promising gas sensors nowadays due to its
advantage of small size, low power consumption, and easy integration. It has been widely …