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Journal of Electroceramics
Published in: Journal of Electroceramics 2/2012

01-10-2012

Controlling of crystal size and optical band gap of CdO nanopowder semiconductors by low and high Fe contents

Authors: C. Aydın, Omar A. Al-Hartomy, A. A. Al-Ghamdi, F. Al-Hazmi, I. S. Yahia, F. El-Tantawy, F. Yakuphanoglu

Published in: Journal of Electroceramics | Issue 2/2012

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Abstract

The CdO:Fe nanopowder semiconductors were synthesized by the sol–gel calcination for the first time. The structural properties of Fe doped CdO samples were analyzed by AFM and XRD measurements. XRD patterns of the pure and Fe-doped CdO samples reveal that the pure and Fe doped CdO nanopowders are polycrystalline of cubic CdO structure. The crystallite size of undoped and Fe-doped CdO samples is changed unsystematically with a regular increase of Fe content. The optical band gaps of Fe doped CdO samples were determined for the first time by diffused reflectance measurements. The optical band gap of the samples is increased with the increase of Fe dopant inside the host matrix (CdO) up to 15 % followed by a decrease in its value. It is evaluated that Fe doped CdO nanopowder semiconductors can be producted by sol–gel calcination for advanced technological applications
previous article Synthesis of manganese dioxide/poly(3,4-ethylenedioxythiophene) core/sheath nanowires by galvanic displacement reaction
next article Enhanced electrochemical properties of Li[Ni0.5Co0.2Mn0.3]O2 cathode by surface coating using LaF3 and MgF2

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Metadata
Title
Controlling of crystal size and optical band gap of CdO nanopowder semiconductors by low and high Fe contents
Authors
C. Aydın
Omar A. Al-Hartomy
A. A. Al-Ghamdi
F. Al-Hazmi
I. S. Yahia
F. El-Tantawy
F. Yakuphanoglu
Publication date
01-10-2012
Publisher
Springer US
Published in
Journal of Electroceramics / Issue 2/2012
Print ISSN: 1385-3449
Electronic ISSN: 1573-8663
DOI
https://doi.org/10.1007/s10832-012-9748-x

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