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Synthesis and characterisation of zinc oxide tetrapod nanocrystals

Synthesis and characterisation of zinc oxide tetrapod nanocrystals
Synthesis and characterisation of zinc oxide tetrapod nanocrystals
Zinc oxide is an important group II-VI semiconductor material with optical properties that permit stable- emission at room temperature. We report on the synthesis of highly uniform nanocrystalline ZnO tetrapod (ZnO-T) nanostructures through a modified chemical vapour transport process. These self assembled nanocrystals are characterised by four cylindrical arms with a hexagonal facet all of which are joined at a tetrahedral core. Studies are carried out on ZnO tetrapods using scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), photoluminescence spectroscopy (PLS) and Raman measurements. We find a simple technique to quench visible emission found in ZnO tetrapods as grown. We also observe Raman active modes suggesting that nitrogen is incorporated within our samples.
1742-6588
251 - 255
Newton, Marcus
fac92cce-a9f3-46cd-9f58-c810f7b49c7e
Firth, Steven
23130861-b2b2-45df-8052-aa27c1b0a463
Matsuura, Takashi
ad55a727-480b-4423-93ba-cc2e329a0090
Warburton, P.A.
dcf3f5d6-3433-4441-9bb6-24d0ced7ebf7
Newton, Marcus
fac92cce-a9f3-46cd-9f58-c810f7b49c7e
Firth, Steven
23130861-b2b2-45df-8052-aa27c1b0a463
Matsuura, Takashi
ad55a727-480b-4423-93ba-cc2e329a0090
Warburton, P.A.
dcf3f5d6-3433-4441-9bb6-24d0ced7ebf7

Newton, Marcus, Firth, Steven, Matsuura, Takashi and Warburton, P.A. (2006) Synthesis and characterisation of zinc oxide tetrapod nanocrystals. Journal of Physics: Conference Series, 26, 251 - 255. (doi:10.1088/1742-6596/26/1/060).

Record type: Article

Abstract

Zinc oxide is an important group II-VI semiconductor material with optical properties that permit stable- emission at room temperature. We report on the synthesis of highly uniform nanocrystalline ZnO tetrapod (ZnO-T) nanostructures through a modified chemical vapour transport process. These self assembled nanocrystals are characterised by four cylindrical arms with a hexagonal facet all of which are joined at a tetrahedral core. Studies are carried out on ZnO tetrapods using scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), photoluminescence spectroscopy (PLS) and Raman measurements. We find a simple technique to quench visible emission found in ZnO tetrapods as grown. We also observe Raman active modes suggesting that nitrogen is incorporated within our samples.

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Published date: 2006

Identifiers

Local EPrints ID: 451362
URI: http://eprints.soton.ac.uk/id/eprint/451362
ISSN: 1742-6588
PURE UUID: c5d4ca00-d3e8-4dfc-ae99-28829805e90b

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Date deposited: 22 Sep 2021 16:31
Last modified: 22 Sep 2021 16:31

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