研究了Ag2Se、Ag2Se0.8Te0.2和Ag2Se0.8S0.2薄膜的结构和光学性质

IF 1 4区材料科学

Journal of Ovonic Research Pub Date : 2022-11-03 DOI:10.15251/jor.2022.185.675

H. M. Ali, I. Khudayer

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引用次数: 0

摘要

采用热蒸发法制备了厚度为350 nm的硫化银薄膜Ag2Se0.8Te0.2和Ag2Se0.8S0.2，并对其结构和光学性能进行了研究。这些薄膜是在300 K的温度下制成的。根据x射线衍射研究，薄膜是多晶的，具有初始正交相。通过x射线衍射研究，发现了Ag2Se、Ag2Se0.8Te0.2和Ag2Se0.8S0.2(23.304, 49.91)的结晶取向(XRD)。随着(Ag2Se和Ag2Se0.8Te0.2 & Ag2Se0.8S0.2)吸收系数从(470 ~ 774)nm下降，光学带隙增大(2.15 & 2 & 2.25eV)。例如，研究了Ag2Se0.8Te0.2和Ag2Se0.8S0.2与硫化银制成的薄膜的特性。

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Study structure and optical properties of Ag2Se, Ag2Se0.8Te0.2 and Ag2Se0.8S0.2 thin films

Silver sulfide and the thin films Ag2Se0.8Te0.2 and Ag2Se0.8S0.2 created by the thermal evaporation process on glass with a thickness of 350 nm were examined for their structural and optical properties. These films were made at a temperature of 300 K. According to the X-ray diffraction investigation, the films are polycrystalline and have an initial orthorhombic phase. Using X-ray diffraction research, the crystallization orientations of Ag2Se and Ag2Se0.8Te0.2 & Ag2Se0.8S0.2 (23.304, 49.91) were discovered (XRD). As (Ag2Se and Ag2Se0.8Te0.2 & Ag2Se0.8S0.2) absorption coefficient fell from (470-774) nm, the optical band gap increased (2.15 & 2 & 2.25eV). For instance, the characteristics of thin films made of Ag2Se0.8Te0.2 and Ag2Se0.8S0.2 and silver sulfide have been studied.

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来源期刊

Journal of Ovonic Research Materials Science-Electronic, Optical and Magnetic Materials

CiteScore

1.60

自引率

20.00%

发文量

期刊介绍： Journal of Ovonic Research (JOR) appears with six issues per year and is open to the reviews, papers, short communications and breakings news inserted as Short Notes, in the field of ovonic (mainly chalcogenide) materials for memories, smart materials based on ovonic materials (combinations of various elements including chalcogenides), materials with nano-structures based on various alloys, as well as semiconducting materials and alloys based on amorphous silicon, germanium, carbon in their various nanostructured forms, either simple or doped/alloyed with hydrogen, fluorine, chlorine and other elements of high interest for applications in electronics and optoelectronics. Papers on minerals with possible applications in electronics and optoelectronics are encouraged.