Aligned Zn−Zn2SiO4 core−shell nanocables with homogenously intense ultravioleteEmission at 300 nm

Feng, Xia, Yuan, Xiaoli, Sekiguchi, Takashi, Lin, Wenzhi and Kang, Junyong (2005) Aligned Zn−Zn2SiO4 core−shell nanocables with homogenously intense ultravioleteEmission at 300 nm. Journal of Physical Chemistry B, 109 33: 15786-15790.


Author Feng, Xia
Yuan, Xiaoli
Sekiguchi, Takashi
Lin, Wenzhi
Kang, Junyong
Title Aligned Zn−Zn2SiO4 core−shell nanocables with homogenously intense ultravioleteEmission at 300 nm
Journal name Journal of Physical Chemistry B   Check publisher's open access policy
ISSN 1520-6106
1089-5647
Publication date 2005-06-12
Year available 2005
Sub-type Article (original research)
DOI 10.1021/jp0514980
Volume 109
Issue 33
Start page 15786
End page 15790
Total pages 5
Place of publication Washington, DC. U.S.
Publisher American Chemical Society
Language eng
Subject 0403 Geology
040306 Mineralogy and Crystallography
Abstract Aligned coaxial nanocables were grown on Si substrates by a vapor-deposition technique. The lengths of the nanocables increased as the distance between the substrate and the source decreased. The nanocables were characterized as homogeneously crystallized shells of about 25 nm thick, diameters of about 100 nm, and round top ends. It was found that the shell emits an intense middle-ultraviolet about 300 nm at room temperature. This emission was attributed to the thin double-layer structure in the Zn−Zn2SiO4 core−shell nanocable where the Zn2SiO4 shell has the potential to serve as more ideal luminophors. The results demonstrated that the nanocable density could be changed by altering nucleation density at the steps on the substrate surface. The unique growth manner described herein provides a new technique for the homogeneous crystallization of Zn−Zn2SiO4 core−shell nanocables.
Keyword Nanocables
Coaxial
Si substrates
Zn−Zn2SiO4
Core−shell
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Julius Kruttschnitt Mineral Research Centre Publications
Excellence in Research Australia (ERA) - Collection
 
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