Nano Archive

Shape-controlled synthesis of octahedral α-NaYF4 and its rare earth doped submicrometer particles

Gao, Li and Ge, Xin and Chai, Zhanli and Xu, Guohai and Wang, Xin and Wang, Cheng (2009) Shape-controlled synthesis of octahedral α-NaYF4 and its rare earth doped submicrometer particles. Nano Research, 2 (7). pp. 565-574. ISSN 1998-0124 (Print) 1998-0000 (Online)

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Official URL: http://www.springerlink.com/content/f77l716h6v7v04...

Abstract

Submicrometer sized pure cubic phase, Eu3+ doped, and Yb3+/Er3+ co-doped α-NaYF4 particles with octahedral morphology have been prepared in acetic acid. The acetate anion plays a critical role in the formation of such symmetric octahedral structures through its selective adsorption on the (111) faces of the products. The size of the as-prepared octahedra can be tuned by varying the amount of sodium acetate added to the acetic acid. A possible formation mechanism for these octahedra has been proposed. The doped α-NaYF4 octahedral submicrometer particles show down-conversion and up-conversion photoluminescence typical of these materials.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:8361
Deposited By:JNCASR
Deposited On:01 May 2010 10:40
Last Modified:01 May 2010 10:40

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