Facile synthesis of water-soluble LaF3				∶ Ln3+ nanocrystals

Feng Wang; Yong Zhang; Xianping Fan; Minquan Wang

doi:10.1039/B518262J

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Facile synthesis of water-soluble LaF₃ ∶ Ln³⁺nanocrystals

Feng Wang,^ac Yong Zhang,*^ab Xianping Fan^c and Minquan Wang^c

Author affiliations

* Corresponding authors

^a Division of Bioengineering, Faculty of Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore

^b Initiative of Nanoscience & Nanotechnology, National University of Singapore, 9 Engineering Drive 1, Singapore
E-mail: biezy@nus.edu.sg
Fax: +65-68723069
Tel: +65-65164871

^c Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China

Abstract

Water-soluble lanthanide-doped LaF₃ nanocrystals were synthesized using a simple method carried out in aqueous solution at low temperature. The nanocrystals have a nearly spherical shape and an average size of below 30 nm. They consisted of well crystallized hexagonal phases. The luminescence quantum efficiency was about 16% in aqueous solution. LaF₃ nanocrystals doped with different lanthanide ions (Eu³⁺, Ce³⁺, Tb³⁺, and Nd³⁺) were synthesized, which showed strong luminescence in the visible (VIS) and near-infrared (NIR) spectral regions.

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Article information

DOI: https://doi.org/10.1039/B518262J
Article type: Communication
Submitted: 03 Jan 2006
Accepted: 02 Feb 2006
First published: 10 Feb 2006

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J. Mater. Chem., 2006,16, 1031-1034

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Facile synthesis of water-soluble LaF₃ ∶ Ln³⁺ nanocrystals

F. Wang, Y. Zhang, X. Fan and M. Wang, J. Mater. Chem., 2006, 16, 1031 DOI: 10.1039/B518262J

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Journal of Materials Chemistry