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Functional ZnO/polymer core-shell nanowires fabricated by oxidative chemical vapour deposition
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Material Physics, MF. University of Bremen, Germany.ORCID iD: 0000-0002-6235-2891
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2014 (English)In: Journal of Physics D: Applied Physics, ISSN 0022-3727, E-ISSN 1361-6463, Vol. 47, no 39, 394004Article in journal (Refereed) Published
Abstract [en]

Functional ZnO-nanowire/polymer core-shell heterostructures were realized using oxidative chemical vapour deposition (oCVD). This dry and versatile technique allows uniform coating of semiconductor nanowires with polymers and simultaneous doping control of the shell. Here, 100 nm thick, p-doped shells of poly(3,4-ethylenedioxythiophene) (PEDOT) were deposited around n-conductive ZnO nanowires. Energy-dispersive x-ray spectroscopy confirms the incorporation of Br dopants into the PEDOT shell, and the resulting p-conductivity of the polymer shell is demonstrated by electrical measurements on nanowire arrays. Photoluminescence spectroscopy points to reactions of Br with the ZnO surface but proves that the nanowires show only little degradation of their optical properties.

Place, publisher, year, edition, pages
2014. Vol. 47, no 39, 394004
Keyword [en]
Hybrid devices, Nanowire, oCVD, Polymers, ZnO
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URN: urn:nbn:se:kth:diva-167031DOI: 10.1088/0022-3727/47/39/394004ISI: 000341772000006ScopusID: 2-s2.0-84927125217OAI: diva2:813032

QC 20150521

Available from: 2015-05-21 Created: 2015-05-21 Last updated: 2015-05-21Bibliographically approved

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Dev, Apurba
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