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XPS investigation of vacuum annealed vertically aligned ultralong ZnO nanowires

T.G.G Maffeis, M.W Penny, A Castaing, O.J Guy, S.P Wilks, Owen Guy Orcid Logo, Thierry Maffeis Orcid Logo

Surface Science, Volume: 606, Issue: 1-2, Pages: 99 - 103

Swansea University Authors: Owen Guy Orcid Logo, Thierry Maffeis Orcid Logo

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Published in: Surface Science
ISSN: 0039-6028
Published: 2012
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Item Description: This paper reports on new findings about the change in the surface properties of ultralong ZnO nanowires when annealed in vacuum. These have implications for practical applications relying on surface reactivity, for example gas sensors. It is published in the best surface science specialist journal. In this paper we identify the temperatures required to remove water vapour and hydrocarbon contaminants but show that hydroxyl group remains bonded to the surface of the nanowires. We also show that surface water molecules act as donors and that their effect is reversible.
College: Faculty of Science and Engineering
Issue: 1-2
Start Page: 99
End Page: 103