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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Bandgap variation in size controlled nanostructured Li-Ni co-doped CdO thin films
Journal of Alloys and Compounds, Volume 515, Year 2012
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Description
Li and Li-Ni doped CdO thin films were fabricated using sol-gel spin coating technique. Surface property and particle size of the pure CdO and doped CdO films were investigated using atomic force microscopy. The particle size of the films is of nanometer size and it changes with the doping concentrations. The optical study revealed that the bandgap of the films decreases with Li doping level. On the other hand for Li-Ni co-doped films, the bandgap first decreases with increase in Li-Ni concentrations and then increases with further increase in Li-Ni doping concentrations. The observed results are explained on the basis of quantum size effect. The obtained results indicate that the nanostructure and optical bandgap of the CdO film can be controlled by Li and Ni-Li co-dopants. © 2011 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Gupta, Ram K.
United States, Greensboro
North Carolina Agricultural and Technical State University
Serbeti, Z.
Turkey, Bingol
Bingöl Üniversitesi
Yakuphanoǧlu, Fahrettin
Turkey, Elazig
Firat Üniversitesi
Saudi Arabia, Riyadh
College of Sciences
Statistics
Citations: 60
Authors: 3
Affiliations: 4
Identifiers
Doi:
10.1016/j.jallcom.2011.11.098
ISSN:
09258388