Enhanced physical characteristics of ZnO thin films through Sr and Mg co-doping

被引：0

作者：

Battal W. ^{[1
]}

Rouchdi M. ^{[1
]}

Ouafi M. ^{[2
]}

Shaili H. ^{[1
]}

Hassanain N. ^{[1
]}

Mzerd A. ^{[1
]}

机构：

[1] Centre De Recherche En Énergie, Équipe Des Semi-conducteurs Et Technologie Des Capteurs Pour L’environnement, Faculty of Sciences, Mohammed V University, Rabat

[2] LCS, Faculty of Sciences, Mohammed V University, Rabat

来源：

Materials Research Innovations | 2022年 / 26卷 / 04期

关键词：

band gap; hall effect; SMZO; SZO; thin films; ultrasonic spray; ZnO;

D O I：

10.1080/14328917.2021.1949894

中图分类号：

学科分类号：

摘要：

In this study, undoped ZnO, (Sr, Mg) co-doped ZnO (SMZO) thin films were synthetised on heated glass substrates at a temperature of 250°C by using ultrasonic spray technique. Doping strontium (Sr) and magnesium (Mg) into zinc oxide (ZnO) offers an important way to modify various properties. X-ray diffraction (XRD) confirmed that the films exhibited the hexagonal wurtzite structure of ZnO with a favored orientation along (002) plane. Scanning electron microscope (SEM) showed a strong change in the surface morphology while Energy dispersive X-ray spectrometer (EDX) and mapping confirmed the purity of the films. UV-Visible studies demonstrated that the optical transmittance was improved to an average value above 94% and that Mg-doping induces an increase of the band gap indicating high optical quality of the films. From the fabricated films, SMZO3 is the most appropriate for optoelectronic applications where a low resistivity and high figure of merit were obtained. © 2021 Informa UK Limited, trading as Taylor & Francis Group.

引用

页码：240 / 248

页数：8

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