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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 1/2014

01.04.2014 | Original Paper

Synthesis and characterization of highly preferred orientation polycrystalline Co-doped ZnO thin films prepared by improved sol–gel method

verfasst von: Binbin Li, Richard Adjei, Zhaofeng Chen, Honglie Shen, Jian Luo

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 1/2014

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Abstract

Highly preferred orientation polycrystalline Zn1−xCoxO (x = 0, 0.03, 0.06, 0.09) thin films were prepared by improved sol–gel method on quartz glass substrates. The structural, optical and magnetic properties were investigated. The X-ray diffraction patterns show that all the samples have the same structure with one highly oriented c-axis (002) peak. None of the samples showed any signal of impurity phases. The c-axis lattice constant increased linearly with the increase in Co doping content, indicating that the doping of Co ions into the host lattice did not change the wurtzite structure of ZnO. UV–Vis transmittance spectroscopy showed that the average optical transmittance of the films is about 90 % in visible wavelength range. The optical band gap (Eg) decreased with increasing Co content. Also, the results of vibration sample magnetization ascertained the ferromagnetic behavior of Co-doped ZnO, having a Curie temperature higher than room temperature.
Vorheriger Artikel Novel bulk synthesis of magnesium oxide nanobelts networks by microwave hydrothermal route
Nächster Artikel Synthesis of monoclinic BiVO4 microribbons by sol–gel combined with electrospinning process and photocatalytic degradation performances

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Metadaten
Titel
Synthesis and characterization of highly preferred orientation polycrystalline Co-doped ZnO thin films prepared by improved sol–gel method
verfasst von
Binbin Li
Richard Adjei
Zhaofeng Chen
Honglie Shen
Jian Luo
Publikationsdatum
01.04.2014
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 1/2014
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-014-3268-x

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