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Hierarchical Assembly of CaMoO4 Nano-Octahedrons and Their Photoluminescence Properties
dc.contributor.author | Longo, V. M. | |
dc.contributor.author | Cavalcante, Laécio Santos | |
dc.contributor.author | Paris, Elaine Cristina | |
dc.contributor.author | Sczancoski, Júlio César | |
dc.contributor.author | Pizani, Paulo Sergio | |
dc.contributor.author | Siu Li, Maximo | |
dc.contributor.author | Andres, Juan | |
dc.contributor.author | Longo, Elson | |
dc.contributor.author | Varela, José A. | |
dc.date.accessioned | 2012-10-23T14:31:31Z | |
dc.date.available | 2012-10-23T14:31:31Z | |
dc.date.issued | 2011-03 | |
dc.identifier.issn | 1932-7447 | |
dc.identifier.uri | http://hdl.handle.net/10234/49795 | |
dc.description.abstract | Hierarchical assemblies of CaMoO4 (CM) nano-octahedrons were obtained by microwave-assisted hydrothermal synthesis at 120 °C for different times. These structures were structurally, morphologically and optically characterized by X-ray diffraction, micro-Raman spectroscopy, field-emission gun scanning electron microscopy, ultraviolet−visible absorption spectroscopy and photoluminescence measurements. First-principle calculations have been carried out to understand the structural and electronic order−disorder effects as a function of the particle/region size. Supercells of different dimensions were constructed to simulate the geometric distortions along both the y and z planes of the scheelite structure. Based on these experimental results and with the help of detailed structural simulations, we were able to model the nature of the order−disorder in this important class of materials and discuss the consequent implications on its physical properties, in particular, the photoluminescence properties of CM nanocrystals. | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | ACS | ca_CA |
dc.relation.isPartOf | Journal of Physical Chemistry C, 2011, 115 (13) | ca_CA |
dc.rights | Copyright © 2011 American Chemical Society | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.title | Hierarchical Assembly of CaMoO4 Nano-Octahedrons and Their Photoluminescence Properties | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1021/jp1082328 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | http://pubs.acs.org/doi/full/10.1021/jp1082328 | ca_CA |
dc.type.version | info:eu-repo/semantics/publishedVersion |
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