The rapidly increasing population, industrial emissions, vehicle exhaust and open burning of
garbage waste are the main cause of pollutants which regularly deteriorate the natural …

Sensor technology has an important effect on many aspects in our society, and has gained
much progress, propelled by the development of nanoscience and nanotechnology. Current …

This article is an overview of the present and ongoing developments in the field of
nanomaterial-based sensors for enabling fast, relatively inexpensive and minimally (or non-) …

This review paper is devoted to an extended analysis of ammonia gas sensors based on
carbon nanomaterials. It provides a detailed comparison of various types of active materials …

The development of simple and low-cost chemical sensors is critically important for
improving human life. Many types of chemical sensors have been developed. Among them …

Many methods based on spectrophotometric, fluorometric, piezoresistive, amperometric or
conductive measurements have been proposed for detecting the concentration of …

Carbon quantum dots (CQDs) were synthesized by using a facile one–step hydrothermal
treatment of purslane leaves in a green and economical approach. The optical and structural …

Gaseous formaldehyde (FA), a common indoor pollutant, presents a serious threat to human
health. As an efficient tool for FA detection, fluorescent probes exhibit the advantages of low …

Two-dimensional SnS 2 with stable electron transport capacity, high specific surface area,
and high surface activity due to defects such as sulfur vacancies, is a suitable candidate for …

Purpose This review paper aims to focus on recent advances of carbon nanotubes (CNTs) to
produce gas sensors. Gas sensors are widely used for monitoring hazardous gas leakages …