Structural, optical and morphological properties of pure and silver doped zinc oxide thin films by attuning the deposition layer

被引:2
作者
Hassan, Azra Shakira [1 ]
Abu Bakar, Nurul Huda [1 ]
机构
[1] Univ Malaysia Pahang, Fac Ind Sci & Technol, Gambang 26300, Kuantan, Malaysia
关键词
Sol-gel; Spin-coating; Film thickness; Metal doping; ZNO; TEMPERATURE; TRANSPARENT;
D O I
10.1016/j.matpr.2021.11.478
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Pure Zinc oxide (ZnO) and silver doped ZnO (Ag/ZnO) thin films have potential applications in many optoelectronic devices. In this work, ZnO and Ag/ZnO thin films were prepared by a low-cost sol-gel method followed by a spin coating technique on glass substrates. Both ZnO and Ag/ZnO were spin-coated at various deposition layers (ranging from 3 to 11 deposition layers) to investigate the correlation of films' thickness on the structural and optical properties. All the prepared films were subjected to an annealing temperature of 300 degrees C for 1 hr. The results showed that ZnO and Ag/ZnO XRD patterns had polycrystalline wurtzite structures with (101) direction domination. On the other hand, with the addition of silver dopant, the optical properties were improved at a transmittance value greater than 90% compared to ZnO (80% transmittance). FESEM results revealed that the ZnO thin film's average grain measurement was about 65.4 nm, while Ag/ZnO exhibits grain measurement of approximately 69.3 nm. The surface morphologies showed that Ag/ZnO thin films exhibit a rougher surface due to the aggregation of silver nanoparticles. Despite the existence of agglomerated nanoparticles and higher deposition layer, the optical transmission of the Ag/ZnO is undistorted. Copyright (c) 2021 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the 3rd Symposium on Industrial Science and Technology 2021
引用
收藏
页码:1376 / 1380
页数:5
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