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Issue 7, 2009
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Zinc oxide nanowires: controlled low temperature growth and some electrochemical and optical nano-devices

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Abstract

In this paper we present our new findings on the growth, characterization and nano-devices based on ZnO nanowires. We will limit the scope of this article to low temperature grown ZnO nanowires, due to the fact that low temperature growth is suitable for many applications. On growth and size control we will present our methodology for the growth of ZnO nanowires on Si substrates using low temperature techniques. The effect of the annealing on these low temperature grown ZnO nanowires is investigated and discussed. We then present our results on the surface recombination velocity of ZnO nanowires. This will be followed by the demonstration of new prototype nano-devices. These nano-devices include the demonstration of two new electrochemical nano-sensors. These are the extended gate glucose sensor and the calcium ion selective sensor using ionophore membrane coating on ZnO nanowires. Finally we will present results from light emitting diodes (LEDs) based on our ZnO nanowires grown on p-type organic semiconductors. The effect of the interlayer design of this hybrid organic–inorganic LED on the emission properties is highlighted.

Graphical abstract: Zinc oxide nanowires: controlled low temperature growth and some electrochemical and optical nano-devices

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Publication details

The article was received on 23 Sep 2008, accepted on 29 Oct 2008 and first published on 12 Dec 2008


Article type: Paper
DOI: 10.1039/B816619F
Citation: J. Mater. Chem., 2009,19, 1006-1018
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    Zinc oxide nanowires: controlled low temperature growth and some electrochemical and optical nano-devices

    M. Willander, L. L. Yang, A. Wadeasa, S. U. Ali, M. H. Asif, Q. X. Zhao and O. Nur, J. Mater. Chem., 2009, 19, 1006
    DOI: 10.1039/B816619F

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