Structural , Optical and Electrical Properties of ZnO:Fe Thin Films Grown by Spray Pyrolysis

Abdelmalek, Nadjate; Hadjeris, L.; Allouane, Dalila; Herissi, Labidi; Rahmane, Saâd; Moualkia, H.

doi:10.12816/0010332

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2019

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“…In the doping process, the choice of a dopant element made according to the properties to be improved. In the case of Zinc Oxide, several dopants are employed such as: Fe, Al, Cu, Co, Mg and Ni, [14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Substrate Temperature Effect on Structural and Optical Properties of ZnO Thin Films Deposited by Spray Pyrolysis

Nezzari

Saidi

Taabouche³

et al. 2019

DDF

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In this work, ZnO thin films grown on heated glass substrates in a temperature range of 300 to 500 °C with a 50°C step. The prepared solution is composed of methanol and zinc acetate Zn(CH3COO)2.2H2O. ZnO thin films are deposited by pyrolysis spray technique, our work focuses on the study of the substrate temperature influence on the structural and optical properties of these layers. Therefore, The X-ray diffraction, showed a Wurtzit hexagonal structure of elaborated films, with (002) as a preferred orientation, and a grain size of 64 to 74 nm. The optical transmission spectroscopy UV-Visible, illustrated an increase of optical band gap from 3.19 to 3.25 eV, proportionally with the substrate temperature.

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