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Article: Room-temperature single-photon emission from zinc oxide nanoparticle defects and their in vitro photostable intrinsic fluorescence

TitleRoom-temperature single-photon emission from zinc oxide nanoparticle defects and their in vitro photostable intrinsic fluorescence
Authors
KeywordsZinc oxide
Optical defects
Single-photon emitters
Intrinsic fluorescence
HaCaT cells
Issue Date2017
PublisherDe Gruyter Open. The Journal's web site is located at http://www.degruyter.com/view/j/nanoph
Citation
Nanophotonics, 2017, v. 6 n. 1, p. 269-278 How to Cite?
AbstractZinc oxide (ZnO) is a promising semiconductor that is suitable for bioimaging applications due to its intrinsic defect fluorescence. However, ZnO generally suffers from poor photostability. We report room-temperature single-photon emission from optical defects found in ZnO nanoparticles (NPs) formed by ion implantation followed by thermal oxidation in a silica substrate. We conduct a thorough investigation into the photophysics of a particularly bright defect and identify other single emitters within the NPs. Photostability was observed when the NPs were removed from the growth substrate and taken up by skin cells for in vitro imaging.
Persistent Identifierhttp://hdl.handle.net/10722/238714
ISSN
2019 Impact Factor: 7.491
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChung, K-
dc.contributor.authorKarle, TJ-
dc.contributor.authorKhalid, A-
dc.contributor.authorAbraham, AN-
dc.contributor.authorShukla, R-
dc.contributor.authorGibson, BC-
dc.contributor.authorSimpson, DA-
dc.contributor.authorDjurisic, AB-
dc.contributor.authorAmekura, H-
dc.contributor.authorTomljenovic-Hanic, S-
dc.date.accessioned2017-02-20T01:25:04Z-
dc.date.available2017-02-20T01:25:04Z-
dc.date.issued2017-
dc.identifier.citationNanophotonics, 2017, v. 6 n. 1, p. 269-278-
dc.identifier.issn2192-8606-
dc.identifier.urihttp://hdl.handle.net/10722/238714-
dc.description.abstractZinc oxide (ZnO) is a promising semiconductor that is suitable for bioimaging applications due to its intrinsic defect fluorescence. However, ZnO generally suffers from poor photostability. We report room-temperature single-photon emission from optical defects found in ZnO nanoparticles (NPs) formed by ion implantation followed by thermal oxidation in a silica substrate. We conduct a thorough investigation into the photophysics of a particularly bright defect and identify other single emitters within the NPs. Photostability was observed when the NPs were removed from the growth substrate and taken up by skin cells for in vitro imaging.-
dc.languageeng-
dc.publisherDe Gruyter Open. The Journal's web site is located at http://www.degruyter.com/view/j/nanoph-
dc.relation.ispartofNanophotonics-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectZinc oxide-
dc.subjectOptical defects-
dc.subjectSingle-photon emitters-
dc.subjectIntrinsic fluorescence-
dc.subjectHaCaT cells-
dc.titleRoom-temperature single-photon emission from zinc oxide nanoparticle defects and their in vitro photostable intrinsic fluorescence-
dc.typeArticle-
dc.identifier.emailDjurisic, AB: dalek@hku.hk-
dc.identifier.authorityDjurisic, AB=rp00690-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1515/nanoph-2015-0138-
dc.identifier.scopuseid_2-s2.0-85002131828-
dc.identifier.hkuros271341-
dc.identifier.volume6-
dc.identifier.issue1-
dc.identifier.spage269-
dc.identifier.epage278-
dc.identifier.isiWOS:000390606900015-
dc.publisher.placeGermany-

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