Optical and Structural Characteristics of Nanocrystalline ZnO:Cd Ceramics

Nanostructured cadmium (Cd) doped ZnO ceramic thin films were deposited on glass substrates by the sol-gel spin coating method and characterized by X-ray diffraction (XRD), scanning electron microscopy and UV-VIS-NIR spectrophotometry. The XRD analysis showed that thin films were crystalline with he...

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Bibliographic Details
Published in:SILICON 2017-11, Vol.9 (6), p.847-853
Main Author: Babeer, Afaf M.
Format: Article
Language:English
Subjects:
Cadmium
Ceramics
Chemistry
Chemistry and Materials Science
Environmental Chemistry
Glass substrates
Inorganic Chemistry
Lasers
Materials Science
Molecular beam epitaxy
Morphology
Nanostructure
Optical Devices
Optical properties
Optics
Original Paper
Photonics
Polymer Sciences
Preferred orientation
Scanning electron microscopy
Sol-gel processes
Spectrophotometry
Spin coating
Thin films
Wurtzite
X-ray diffraction
X-rays
Zinc oxide
Zinc oxides
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Summary:Nanostructured cadmium (Cd) doped ZnO ceramic thin films were deposited on glass substrates by the sol-gel spin coating method and characterized by X-ray diffraction (XRD), scanning electron microscopy and UV-VIS-NIR spectrophotometry. The XRD analysis showed that thin films were crystalline with hexagonal wurtzite structure. The preferred orientation of un-doped and Cd-doped ZnO thin films lies along the (002) plane. FESEM images revealed that the morphology consists of spherical, non-spherical and partly cylindrical structures. The results of EDX showed that Cd was doped into the ZnO structure. The UV-Vis transmittance spectra showed that substitution of Cd into ZnO leads to bandgap narrowing. The Urbach energy increases with the increase in Cd concentration. The prepared nanostructured cadmium (Cd) doped ZnO ceramic thin films can be used in electronic device technologies.
ISSN:1876-990X
1876-9918
DOI:10.1007/s12633-017-9563-8