Li2SnO3 branched nano- and microstructures with intense and broadband white-light emission
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Otros documentos de la autoría: García-Tecedor, Miguel; Bartolomé, Javier; Maestre, David; Trampert, Achim; Cremades, Ana
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comunitat-uji-handle2:10234/2507
comunitat-uji-handle3:10234/6973
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INVESTIGACIONMetadatos
Título
Li2SnO3 branched nano- and microstructures with intense and broadband white-light emissionFecha de publicación
2019Editor
Springer VerlagISSN
1998-0124; 1998-0000Cita bibliográfica
García-Tecedor, M., Bartolomé, J., Maestre, D. et al. Nano Res. (2019) 12: 441. https://doi.org/10.1007/s12274-018-2236-0Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://link.springer.com/article/10.1007/s12274-018-2236-0Versión
info:eu-repo/semantics/acceptedVersionPalabras clave / Materias
Resumen
Exploiting the synergy between microstructure, morphology and dimensions by suitable nanomaterial engineering, can effectively upgrade
the physical properties and material performances. Li2SnO3 elongated nano- and ... [+]
Exploiting the synergy between microstructure, morphology and dimensions by suitable nanomaterial engineering, can effectively upgrade
the physical properties and material performances. Li2SnO3 elongated nano- and microstructures in form of belts, wires, rods and branched
structures have been fabricated by a vapor-solid method at temperatures ranging from 700 to 900 °C using metallic Sn and Li2CO3 as
precursors. The achievement of these new morphologies can face challenging applications for Li2SnO3, not only in the field of energy storage,
but also as building blocks in optoelectronic devices. The micro- and nanostructures grown at 700 and 800 °C correspond to monoclinic Li2SnO3,
while at 900 °C complex Li2SnO3/SnO2 core-shell microstructures are grown, as confirmed by X-ray diffraction and Raman spectroscopy.
Transmission electron microscopy reveals structural disorder related to stacking faults in some of the branched structures, which is associated
with the presence of the low-temperature phase of Li2SnO3. The luminescent response of these structures is dominated by intense emissions
at 2, 2.5 and 3 eV, almost completely covering the whole range of the visible light spectrum. As a result, white-light emission is obtained without
the need of phosphors or complex quantum well heterostructures. Enhanced functionality in applications such as in light-emitting devices could
be exploited based on the high luminescence intensity observed in some of the analysed Li2SnO3 structures. [-]
Publicado en
Nano Res. 2019, 12(2).Proyecto de investigación
MAT 2015-65274R ; MAT 2016-81720-REDC ; PCIN-2017-106Derechos de acceso
© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018, corrected publication 2018.
“This is a post-peer-review, pre-copyedit version of an article published in Nano Research. The final authenticated version is available online at: http://dx.doi.org/10.1007/s12274-018-2236-0.”
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