Nature of red luminescence in oxygen treated hydrothermally grown zinc oxide nanorods

Anantachaisilp, S; Smith, SM; Ton-That, C; Pornsuwan, S; Moon, AR; Nenstiel, C; Hoffmann, A; Phillips, MR

Nature of red luminescence in oxygen treated hydrothermally grown zinc oxide nanorods

Anantachaisilp, S Smith, SM Ton-That, C

Pornsuwan, S Moon, AR

Nenstiel, C Hoffmann, A Phillips, MR

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Publication Type:: Journal Article
Citation:: Journal of Luminescence, 2015, 168 pp. 20 - 25
Issue Date:: 2015-08-11

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Field	Value	Language
dc.contributor.author	Anantachaisilp, S	en_US
dc.contributor.author	Smith, SM	en_US
dc.contributor.author	Ton-That, C https://orcid.org/0000-0003-3276-1739	en_US
dc.contributor.author	Pornsuwan, S	en_US
dc.contributor.author	Moon, AR https://orcid.org/0000-0002-7464-8673	en_US
dc.contributor.author	Nenstiel, C	en_US
dc.contributor.author	Hoffmann, A	en_US
dc.contributor.author	Phillips, MR https://orcid.org/0000-0003-1522-9281	en_US
dc.date.issued	2015-08-11	en_US
dc.identifier.citation	Journal of Luminescence, 2015, 168 pp. 20 - 25	en_US
dc.identifier.issn	0022-2313	en_US
dc.identifier.uri	http://hdl.handle.net/10453/39522
dc.description.abstract	© 2015 Published by Elsevier B.V. A strong broad red luminescence (RL) peak centered at 1.69 eV (FWHM=0.57 eV) at 15 K [1.78 eV (FWHM=0.69 eV) at 300 K] is formed in ZnO nanorods hydrothermally grown at low temperature following thermal annealing at 650 °C for 30 min in an O<inf>2</inf> gas environment. The optical properties of this peak were comprehensively studied using a range of characterization techniques, including photoluminescence and cathodoluminescence spectroscopy, X-ray absorption near edge spectroscopy and electron paramagnetic resonance spectroscopy. With decreasing temperature the RL peak position red shifted and its FWHM became narrower in accordance with the configuration coordinate model. Using these results, the RL has been assigned to highly lattice coupled V<inf>Zn</inf>-related acceptor-like centers. No correlation was found between the observed red luminescence and nitrogen impurities.	en_US
dc.relation.ispartof	Journal of Luminescence	en_US
dc.relation.isbasedon	10.1016/j.jlumin.2015.07.025	en_US
dc.subject.classification	Applied Physics	en_US
dc.title	Nature of red luminescence in oxygen treated hydrothermally grown zinc oxide nanorods	en_US
dc.type	Journal Article
utslib.citation.volume	168	en_US
utslib.for	0205 Optical Physics	en_US
utslib.for	0204 Condensed Matter Physics	en_US
utslib.for	0306 Physical Chemistry (incl. Structural)	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
pubs.organisational-group	/University of Technology Sydney/Provost
pubs.organisational-group	/University of Technology Sydney/Strength - CCET - Centre for Clean Energy Technology
utslib.copyright.status	closed_access
pubs.publication-status	Published	en_US
pubs.volume	168	en_US

Abstract:

© 2015 Published by Elsevier B.V. A strong broad red luminescence (RL) peak centered at 1.69 eV (FWHM=0.57 eV) at 15 K [1.78 eV (FWHM=0.69 eV) at 300 K] is formed in ZnO nanorods hydrothermally grown at low temperature following thermal annealing at 650 °C for 30 min in an O2 gas environment. The optical properties of this peak were comprehensively studied using a range of characterization techniques, including photoluminescence and cathodoluminescence spectroscopy, X-ray absorption near edge spectroscopy and electron paramagnetic resonance spectroscopy. With decreasing temperature the RL peak position red shifted and its FWHM became narrower in accordance with the configuration coordinate model. Using these results, the RL has been assigned to highly lattice coupled VZn-related acceptor-like centers. No correlation was found between the observed red luminescence and nitrogen impurities.

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http://hdl.handle.net/10453/39522