dc.contributor.author |
Visimberga, Giuseppe |
|
dc.contributor.author |
Faulkner, Colm C. |
|
dc.contributor.author |
Boese, Markus |
|
dc.contributor.author |
O'Dwyer, Colm |
|
dc.date.accessioned |
2018-07-17T10:45:28Z |
|
dc.date.available |
2018-07-17T10:45:28Z |
|
dc.date.issued |
2012-01 |
|
dc.identifier.citation |
Visimberga, G., Faulkner, C. C., Boese, M. and O'Dwyer, C. (2012) 'Core-Shell ZnO Nanorod Lasers', ECS Transactions, 45(7), pp. 51-59. doi: 10.1149/1.3701525 |
en |
dc.identifier.volume |
45 |
en |
dc.identifier.startpage |
51 |
en |
dc.identifier.endpage |
59 |
en |
dc.identifier.issn |
1938-5862 |
|
dc.identifier.uri |
http://hdl.handle.net/10468/6465 |
|
dc.identifier.doi |
10.1149/1.3701525 |
|
dc.description.abstract |
Room-temperature ultraviolet lasing in [0001] oriented zinc oxide nanorods grown on silicon and fused silica substrates by a simple vapor transport and condensation process. These wide band-gap semiconductor nanorods form natural laser cavities with diameters varying from 150 to 350 nm and lengths up to 10 µm. Under optical excitation, surface-emitting lasing action was observed at 385 nm. The dielectric core-shell Al2O3@ZnO nanorods exhibit enhanced axial Fabry-Pérot resonating characteristics with (0001) crystal faces as mirror facets improved by a metallic reflector at one end. This metallic coating and dielectric oxide shell greatly increase near-band edge emission while reducing excitation power thresholds due to lower losses and increased optical density from improved refractive index mediated waveguiding during optical pumping. |
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dc.description.sponsorship |
Sixth Framework Programme (EU Framework 6 Network of Excellence, "Nanophotonics to realise molecular-scale technologies", PhOREMOST, Project ID: 511616); Higher Education Authority (under the framework of the INSPIRE programme, funded by the Irish Government's Programme for Research in Third Level Institutions, Cycle 4, National Development Plan 2007-2013) |
en |
dc.format.mimetype |
application/pdf |
en |
dc.language.iso |
en |
en |
dc.publisher |
Electrochemical Society |
en |
dc.relation.uri |
http://ecst.ecsdl.org/content/45/7/51.abstract |
|
dc.rights |
© 2012 ECS - The Electrochemical Society |
en |
dc.subject |
Nanorods |
en |
dc.subject |
Electric excitation |
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dc.subject |
Energy gap |
en |
dc.subject |
Lasers |
en |
dc.subject |
Optical pumping |
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dc.subject |
Photoexcitation |
en |
dc.subject |
Refractive index |
en |
dc.subject |
Semiconductor materials |
en |
dc.subject |
Vapors |
en |
dc.subject |
Zinc oxide |
en |
dc.subject |
Condensation process |
en |
dc.subject |
Core-shell |
en |
dc.subject |
Crystal face |
en |
dc.subject |
Dielectric oxides |
en |
dc.subject |
Excitation power |
en |
dc.subject |
Fused silica substrates |
en |
dc.subject |
Lasing action |
en |
dc.subject |
Metallic coating |
en |
dc.subject |
Metallic reflectors |
en |
dc.subject |
Mirror facets |
en |
dc.subject |
Near band edge emissions |
en |
dc.subject |
Room-temperature ultraviolet lasing |
en |
dc.subject |
Vapor transport |
en |
dc.subject |
Wide-band-gap semiconductor |
en |
dc.subject |
Zinc oxide nanorods |
en |
dc.subject |
ZnO nanorod |
en |
dc.title |
Core-shell ZnO nanorod lasers |
en |
dc.type |
Article (peer-reviewed) |
en |
dc.internal.authorcontactother |
Colm O'Dwyer, Chemistry, University College Cork, Cork, Ireland. +353-21-490-3000 Email: c.odwyer@ucc.ie |
en |
dc.internal.availability |
Full text available |
en |
dc.date.updated |
2018-06-11T21:40:54Z |
|
dc.description.version |
Accepted Version |
en |
dc.internal.rssid |
162343133 |
|
dc.contributor.funder |
Sixth Framework Programme
|
en |
dc.contributor.funder |
Science Foundation Ireland
|
en |
dc.contributor.funder |
Higher Education Authority
|
en |
dc.description.status |
Peer reviewed |
en |
dc.identifier.journaltitle |
Electrochemical Society Transactions |
en |
dc.internal.copyrightchecked |
Yes |
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dc.internal.licenseacceptance |
Yes |
en |
dc.internal.conferencelocation |
Seattle, WA; United States |
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dc.internal.IRISemailaddress |
c.odwyer@ucc.ie |
en |
dc.relation.project |
info:eu-repo/grantAgreement/SFI/SFI Short Term Travel Fellowship (STTF)/07/SK/B1232a - STTF 11/IE/Optical Probing of Phase Changes in Inverse opal Photonic Crystal Li-on Battery Electrodes/
|
en |
dc.relation.project |
info:eu-repo/grantAgreement/SFI/SFI Stokes Professorship & Lectureship Programme/07/SK/B1232a/IE/Colm ODwyer/
|
en |