Preparation and properties of Nanostructure Zinc Oxide Thin Films

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Nada M. Saeed

Abstract

Zinc Oxide (ZnO) is probably the most typical II-VI
semiconductor, which exhibits a wide range of nanostructures. In
this paper, polycrystalline ZnO thin films were prepared by chemical
spray pyrolysis technique, the films were deposited onto glass
substrate at 400 °C by using aqueous zinc chloride as a spray
solution of molar concentration of 0.1 M/L.
The crystallographic structure of the prepared film was analyzed
using X-ray diffraction; the result shows that the film was
polycrystalline, the grain size which was calculated at (002) was
27.9 nm. The Hall measurement of the film studied from the
electrical measurements show that the film was n-type. The optical
properties of the film were studied using measurements from VISUV
spectrophotometer at wavelength range (300-1100) nm; the
optical characterization shows that the films have an average
transmittance 55% in the VIS regions. The refractive index was
calculated as a function of the photon energy, also the calculated
optical energy gap was 3.3 eV and 3.1 eV for direct and indirect
allowed transition respectively.

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How to Cite

1.
Saeed NM. Preparation and properties of Nanostructure Zinc Oxide Thin Films. IJP [Internet]. 2009 Dec. 30 [cited 2024 Dec. 27];7(8):75-81. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/919

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