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Synthesis and photoluminescence characteristics of Dy3+-doped ZnAl2O4 nanocrystals via a combustion process

Wang, Shu Fen ; Gu, Feng ; Lü, Meng Kai ; Cheng, Xiu Feng ; Zou, Wen Guo ; Zhou, Guang Jun ; Wang, Shu Mei ; Zhou, Yuan Yuan

Journal of alloys and compounds, 2005-05, Vol.394 (1-2), p.255-258 [Periódico revisado por pares]

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Título:
Synthesis and photoluminescence characteristics of Dy3+-doped ZnAl2O4 nanocrystals via a combustion process
Autor: Wang, Shu Fen ; Gu, Feng ; Lü, Meng Kai ; Cheng, Xiu Feng ; Zou, Wen Guo ; Zhou, Guang Jun ; Wang, Shu Mei ; Zhou, Yuan Yuan
Assuntos: Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Materials science ; Materials synthesis; materials processing ; Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation ; Physics
É parte de: Journal of alloys and compounds, 2005-05, Vol.394 (1-2), p.255-258
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: Ultrafine ZnAl2O4:Dy3+ nanocrystals were prepared via a combustion process using metal nitrates as precursors. Dy3+-doped ZnAl2O4 nanocrystals with good crystallinity were obtained at a relatively low temperature (350 deg C). The transmission electron micrograph (TEM) shows that the obtained products have uniform size distribution in the range of 13-15 nm. The absorption spectrum of the pure ZnAl2O4 reveals that the band gap is about 3.7 eV. The photoluminescence (PL) properties of doped samples as a function of the furnace temperature have been investieated.
Editor: Lausanne: Elsevier
Idioma: Inglês

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