Deposition techniques and their role in solar cell efficiency

Abstract

This research aims to clarify the fundamental concept of thin films and their distinctive characteristics. It studies and compares different deposition methods, analyzes the advantages and disadvantages of each deposition technique, identifies the factors affecting the deposition process and their impact on the film's structural properties, and links deposition techniques to industrial applications and criteria for selecting the appropriate method. The research employs both theoretical and scientific approaches to analyze experimental results of deposition of various materials and compare them in terms of deposition rate, homogeneity, and optical and electrical properties. The research concludes that different deposition methods and techniques lead to varying results in the structure and properties of thin films. The CVD method is characterized by in-silicate deposition, which offers advantages for processing at lower temperatures.

It was also shown that the electrical properties of amorphous silicon can be significantly improved by combining hydrogen with silicon. The properties of a-Si:H films make them highly suitable for applications in electronic devices and solar energy conversion. These properties are influenced by deposition conditions such as energy, partial pressure of gases, and substrate temperature.