The Characterization of Zn1-XCoxO Thin Films Synthesized by Ultrasonic Spray Deposition with Controlled Visible Light Absorption

被引：0
作者：
Charef, Azzeddine [1 ,2 ]
Zitouni, Karima [1 ]
Benramache, Said [2 ]
Kadri, Abderrahmane [1 ]
机构：
[1] Oran Univ, Lab Etud Mat Optoelect & Polymeres, LEMOP Lab, Es Senia, Algeria
[2] Biskra Univ, Lab Phys Photon & Nanomat Multifonct, LPPNM, Biskra, Algeria
来源：
ADVANCES IN MATERIALS SCIENCE | 2024年 / 24卷 / 02期
关键词：
Zn1-xCoxO; thin films; transparent conducting oxides (TCO); ultrasonic spray method; OPTICAL-PROPERTIES; ZNO; TEMPERATURE;
D O I：
10.2478/adms-2024-0012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This work examines the grown of Zn1-xCoxO films at different Co concentrations at 420 degrees C by ultrasonic spray deposition. The effect of Co concentration of Zn1-xCoxO films on optical characterization, structure crystallinity and electrical conductivity was studied. Transmission spectra of Zn1-xCoxO films presented three edges in the visible region, it was observed in the range of 541 and 656 nm of wavelengths, which related to the d-d transitions of Co2+ ion with 3d(7) high-spin configurations in a tetrahedral crystal field formed by neighboring O(2-)ions. The gap energy was found increases after doping by Co to maximum value of 3.373 eV at x=0.04. The Urbach energy minimum was 0.083eV, it is obtained for x=0.01. The sprayed Zn1-xCoxO films exhibit a wurtzite structure with preferred orientation in the (002) direction. The maximum crystallite size of Zn1-xCoxO films was 95.61 nm at x=0.06. The maximum electrical conductivity of the Co doped ZnO films was located at x=0.06.
引用
收藏
页码：61 / 69
页数：9
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