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Auger Recombination Suppression in Nanocrystals with Asymmetric Electron–Hole Confinement
dc.contributor.author | Climente, Juan I. | |
dc.contributor.author | Movilla, Jose L. | |
dc.contributor.author | Planelles, Josep | |
dc.date.accessioned | 2013-12-19T11:30:38Z | |
dc.date.available | 2013-12-19T11:30:38Z | |
dc.date.issued | 2012 | |
dc.identifier.citation | Small, 8, 5, p. 754–759 | ca_CA |
dc.identifier.issn | 1613-6810 | |
dc.identifier.uri | http://hdl.handle.net/10234/78166 | |
dc.description.abstract | Type II and quasi-type II nanocrystals with thick shells exhibit reduced blinking. However, after a number of monolayers, the influence of the shell thickness is found to vanish. Using a two-band Kane Hamiltonian, it is shown that this behavior is a consequence of interband coupling and asymmetric confinement of electrons and holes. Interface alloying provides an additional, order-of-magnitude contribution to the Auger suppression, in agreement with recent experiments. The existence is predicted of critical shell thicknesses that strongly quench Auger processes for any core size. | ca_CA |
dc.format.extent | 5 p. | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | WILEY-VCH Verlag | ca_CA |
dc.rights | Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.subject | auger recombination | ca_CA |
dc.subject | blinking | ca_CA |
dc.subject | core/shell materials | ca_CA |
dc.subject | nanocrystalline materials | ca_CA |
dc.subject | quantum dots | ca_CA |
dc.title | Auger Recombination Suppression in Nanocrystals with Asymmetric Electron–Hole Confinement | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/ 10.1002/smll.201101740 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | http://onlinelibrary.wiley.com/doi/10.1002/smll.201101740/abstract | ca_CA |
dc.type.version | info:eu-repo/semantics/publishedVersion | ca_CA |
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