To meet requirements in air quality monitoring, sensors are required that can measure the
concentration of gaseous pollutants at concentrations down to the ppb and ppt levels, while …

This review is providing a comprehensive overview of essential genuine characterization
techniques for nanomaterial and biomaterials exist in various forms. Nanoscience and …

Since the excessive dosage of Pb 2+ ions could facilitate the gangue mineral quartz
activation and cause serious environmental problems, this work has an attempt to examine …

Nanomaterials and biomaterials are becoming increasingly important in current scientific
and industrial communities. Nanomaterials are beyond the perception of the human eye …

The metal oxide semiconductor sensors to quantify mixed gas components has been still
difficult due to the poor selectivity although it has many advantages on application. To …

Abstract Zn 1-x Fe x SnO 3+ x/2 samples (ZF x SO), composed of quasi-spherical solid
particles, were synthesized after the calcination of Zn 1-x Fe x Sn (OH) 6+ x and then …

Spectroscopy, the study of the interaction between electromagnetic radiation and matter, is a
versatile and powerful analytical technique used in various scientific disciplines. This review …

IoT-based Sensors networks play a pivotal role in improving air quality monitoring in the
Middle East. They provide real-time data, enabling precise tracking of pollution trends …

This article presents a layered mixed oxide thin film composed of Sn, Ti, Zn, and Pr obtained
by sol–gel deposition for gas sensing applications. The film was characterized by X-ray …

Abstract The antimony-doped (0–4 at%) tin dioxide thin films are deposited by spray
pyrolysis method with a less volume of solution. The x-ray diffraction, atomic force …