Study of the methods of preparing thin films and their applications in environmental issues

Subject Areas : The Application of Chemistry in Environment

Hassan Absalan ¹ (Department of Physics, Ahar Branch, Islamic Azad University, Ahar, Iran)

Received: 2024-02-03 Accepted : 2024-04-27 Published : 2024-07-23

Keywords: Thin Films, Techniques of Preparing, Properties and Applications, the Environment,

Abstract :

In this article, different techniques of preparing of thin films as well as their applications in environmental issues have been studied. The thickness of thin films is usually in the range between 50 and 5000 angstroms.The thickness of thin films is usually in the range between 50 and 5000 angstroms. The methods of preparing thin films are mainly physical and chemical. By reducing the thickness of a thin film, its electrical conductivity decreases and its electrical resistance increases. Also, decreasing the thickness of the thin film leads to decreasing its magnetic intensity. On the other hand, due to the increase of ratio of surface area to volume in thin films, the rate of temperature change and chemical reaction increases compared to the bulk mode. Among the factors affecting the quality of a thin film, we can mention the structure of the substrate, the speed of layering, the temperature of the substrate and the type of vacuum.

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