Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal Method
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Other documents of the author: Da Silva, Luis F.; Avansi, Waldir; Moreira, Mario Lucio; Mesquita, Alexandre; Maia, Lauro; Andres, Juan; Longo, Elson; Mastelaro, Valmor Roberto
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7013
comunitat-uji-handle3:10234/8638
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Title
Relationship between Crystal Shape, Photoluminescence, and Local Structure in SrTiO3 Synthesized by Microwave-Assisted Hydrothermal MethodAuthor (s)
Date
2012Publisher
Hindawi Publishing CorporationISSN
1687-4110Type
info:eu-repo/semantics/articlePublisher version
http://www.hindawi.com/journals/jnm/2012/890397/Version
info:eu-repo/semantics/publishedVersionAbstract
This paper describes the effect of using different titanium precursors on the synthesis and physical properties of SrTiO3 powders obtained by microwave-assisted hydrothermal method. X-ray diffraction measurements, ... [+]
This paper describes the effect of using different titanium precursors on the synthesis and physical properties of SrTiO3 powders obtained by microwave-assisted hydrothermal method. X-ray diffraction measurements, X-ray absorption near-edge structure (XANES) spectroscopy, field emission scanning electron microscopy (FE-SEM), and high-resolution transmission electron microscopy (HRTEM) were carried out to investigate the structural and optical properties of the SrTiO3 spherical and cubelike-shaped particles. The appropriate choice of the titanium precursor allowed the control of morphological and photoluminescence (PL) properties of SrTiO3 compound. The PL emission was more intense in SrTiO3 samples composed of spherelike particles. This behavior was attributed to the existence of a lower amount of defects due to the uniformity of the spherical particles. [-]
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Journal of Nanomaterials, v. 2012Rights
Copyright © 2012 Luís F. da Silva et al.
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info:eu-repo/semantics/openAccess
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info:eu-repo/semantics/openAccess
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- QFA_Articles [829]
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