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ARTICLE

Examining the impact of quantum confinement energy on the optical characteristics of zinc sulfide and gallium nitrate in the ultraviolet spectral range

A. Kafel^*, S. N. Turki Al-Rashid

Physics department, College of Education for pure Sciences, University of Anbar, Iraq

* Corresponding Author:

Chalcogenide Letters 2023, 20(6), 423-429. https://doi.org/10.15251/CL.2023.206.423

Received 24 March 2023; Accepted 13 June 2023;

Abstract

The study of confined quantum systems exhibit distinct behavior compared to that in bulk solids. This enables the design of materials with tunable chemical, physical, electrical and optical properties. In this paper, the effect of quantum confinement energy on the optical properties (gap energy, refractive index) of semiconductors gallium nitrate (GaN) and zinc sulfide (ZnS) is studied. The study is done using the MATLAB computer program (20a). This software is based on the Brus model and the particle in-a-box model. The results indicate that the optical properties depend on the quantum confinement energy, with an increase in quantum confinement energy corresponding to an increase in the energy gap and a decrease in refractive index.

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