Structure and optical properties of CdTe thin films obtained via discrete vacuum thermal evaporation

被引：0

作者：

M. S. Tivanov ^{[1
]}

V. A. Gevorgyan ^{[2
]}

A. A. Zgliui ^{[1
]}

K. P. Haroyan ^{[3
]}

V. F. Gremenok ^{[4
]}

D. V. Zhyhulin ^{[5
]}

M. Dong ^{[6
]}

M. Khalid Hossain ^{[7
]}

M. I. Sayyed ^{[8
]}

T. I. Zubar ^{[9
]}

D. I. Tishkevich ^{[4
]}

A. V. Trukhanov ^{[4
]}

机构：

[1] Belarusian State University,Faculty of Physics

[2] Russian-Armenian University,Laboratory of Thin Film Structures and Nanocomposite Materials, Physico

[3] Nuclear and Radiation Safety Center,Engineering Institute

[4] SSPA “Scientific-Practical Materials Research Centre of NAS of Belarus”,Department of Resources and Environment, School of Metallurgy

[5] “Belmicroanalysis” State Center,Institute of Electronics, Atomic Energy Research Establishment

[6] “INTEGRAL” JSC - Holding Managing Company,Renewable Energy and Environmental Technology Center

[7] Northeastern University,Department of Physics and Technical Sciences

[8] Bangladesh Atomic Energy Commission,undefined

[9] University of Tabuk,undefined

[10] Western Caspian University,undefined

来源：

Journal of Materials Science: Materials in Electronics | 2025年 / 36卷 / 12期

关键词：

D O I：

10.1007/s10854-025-14769-0

中图分类号：

学科分类号：

摘要：

CdTe films were obtained via discrete vacuum thermal evaporation (DVTE) with CdCl2 treatment and annealing in an air atmosphere. The CdTe samples were investigated using several techniques: energy-dispersive X-ray spectroscopy, scanning electron microscopy, atomic-force microscopy, grazing incidence X-ray diffraction, and Raman analysis. It has been observed that the samples of CdTe films have a cubic structure with predominant orientation (111), a smooth surface without pores or cracks, and the stoichiometric Cd/Te ratio approaches 1. The band gap width is 1.51 eV, and the Urbach energy is in the range of 13–25 meV, increasing for CdTe thin films synthesized with CdCl2. It has been shown that films based on CdTe fabricated via DVTE with CdCl2 treatment and annealing in an air atmosphere at 400 °C predominantly crystallize in the cubic structure of CdTe, have good structural and topographic parameters, are low defectless, have an optimal band gap value, and can be applied as a perspective material for high-efficiency solar cell creation.

引用

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