Study the Effect of Wavelengths and Energies of Laser on Zinc Telluride Thin Films Formed with Laser Technique

IF 0.7 4区材料科学 Q4 ELECTROCHEMISTRY

Journal of New Materials For Electrochemical Systems Pub Date : 2021-12-31 DOI:10.14447/jnmes.v24i4.a01

Laith M. Abduljabbar, Mohammed H. Hwidi, A. Alchalaby

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引用次数: 0

Abstract

In this work, a pulsed laser deposition technique was used which is one of the modern methods of preparing thin films where zinc telluride was deposited on slices of glass using different Nd: YAG laser wavelengths (0.532 µm and 1.064 µm) .Two different laser energies (600 mJ and 900 mJ) were used to study its effects on the properties of Zinc Telluride films at room temperature. Measurement of X-Ray Diffraction (XRD) and Atomic Force Microscope (AFM) was used to demonstrate the structural and morphological properties of the prepared Zinc Telluride thin films which shows that the films consists of multiple crystals and its structural design is a cubic with a small crystallites size and dissimilar shapes . The optical properties in the range of (400-1000) nm using UV-VIS spectrophotometer were studied by transmission and reflection spectra where found that for Zinc Telluride films have more transmission in the range of visible spectrum which can be reach to greater than 90 % with wide band gap of 2.2 eV is a promising material to be used in photovoltaic devices as solar cells and detectors.

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研究激光波长和能量对激光技术制备碲化锌薄膜的影响

在这项工作中，使用脉冲激光沉积技术，这是现代制备薄膜的方法之一，其中碲化锌使用不同的Nd:YAG激光波长（0.532µm和1.064µm）沉积在玻璃片上。使用两种不同的激光能量（600 mJ和900 mJ）来研究其在室温下对碲化锌薄膜性能的影响。利用X射线衍射（XRD）和原子力显微镜（AFM）对所制备的碲化锌薄膜的结构和形貌进行了表征，结果表明，该薄膜由多个晶体组成，其结构设计为具有小晶粒尺寸和不同形状的立方体。通过透射光谱和反射光谱研究了紫外-可见分光光度计在（400-1000）nm范围内的光学性质，发现碲化锌薄膜在可见光谱范围内具有更大的透射比，在2.2eV的宽带隙下可达到90%以上，是一种很有前途的材料，可用于太阳能电池和探测器等光伏器件。

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来源期刊

Journal of New Materials For Electrochemical Systems ELECTROCHEMISTRY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

1.90

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： This international Journal is intended for the publication of original work, both analytical and experimental, and of reviews and commercial aspects related to the field of New Materials for Electrochemical Systems. The emphasis will be on research both of a fundamental and an applied nature in various aspects of the development of new materials in electrochemical systems.