Gupta Prateek1, Joshi Bhubesh C.1
1Department of Physics and Material Science and Engineering, Jaypee Institute of Information Technology, Noida, India
Email: bhubesh.joshi@jiit.ac.in
Выставление онлайн: 31 марта 2023 г.
The structural, optical, and electronic properties of Ni-doped ZnO (NZO) thin films were studied by X-ray diffraction (XRD), ultraviolet-visible transmittance spectroscopy (UV-Vis), atomic force microscopy (AFM), and Fourier transform infrared spectroscopy (FTIR). 0, 3, 5, and 7% NZO thin films were deposited on quartz substrate by pulsed laser deposition (PLD) technique at a substrate temperature of 300oC and oxygen partial pressure of 1 mTorr. XRD results show that all deposited films were crystalline and oriented along the (002) plane with wurtzite symmetry. All deposited films also show high transmittance in the UV-Visible regime (300-800 nm). Tauc formulation was used to calculate the bandgap. NZO thins films show a lesser bandgap as compared to pure ZnO films and further with Ni concentration the bandgap was reduced from 3.20 eV (3%) to 3.11 eV (7%). AFM results revealed the uniform deposition of NZO and ZnO films over a quartz substrate and FTIR analysis shows the shifting of the Zn-O-Zn band towards higher frequency numbers with Ni concentrations. Results obtained from this study indicate that as PLD grew NZO thin films can be a promising candidate for optoelectronic application. Keywords: ZnO, PLD, XRD, Ni, UV, NZO.
Подсчитывается количество просмотров абстрактов ("html" на диаграммах) и полных версий статей ("pdf"). Просмотры с одинаковых IP-адресов засчитываются, если происходят с интервалом не менее 2-х часов.
Дата начала обработки статистических данных - 27 января 2016 г.