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Issue 42, 2008
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Redispersible and water-soluble LaF3:Ce,Tb nanocrystalsvia a microfluidic reactor with temperature steps

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Abstract

A capillary microreactor with a design of steep temperature steps was utilized for the preparation of LaF3:Ce, Tb nanocrystals using diethylene glycol (DEG) as solvent, towards separation of nucleation and growth of crystallization. The redispersible and water-soluble nanoparticles consisted of well crystallized hexagonal phases with spherical shape, a mean diameter of about 3.5 nm and a photoluminescence quantum yield of 49%, and hold great promise for potential application in bio-labels. Our results confirmed that it is possible to use a high temperature to burst nuclei and a low temperature to promote growth through a temperature-step microreactor.

Graphical abstract: Redispersible and water-soluble LaF3:Ce,Tb nanocrystalsvia a microfluidic reactor with temperature steps

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Publication details

The article was received on 23 Jul 2008, accepted on 23 Sep 2008 and first published on 06 Oct 2008


Article type: Communication
DOI: 10.1039/B812473F
Citation: J. Mater. Chem., 2008,18, 5060-5062
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    Redispersible and water-soluble LaF3:Ce,Tb nanocrystalsvia a microfluidic reactor with temperature steps

    X. Zhu, Q. Zhang, Y. Li and H. Wang, J. Mater. Chem., 2008, 18, 5060
    DOI: 10.1039/B812473F

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