Issue 9, 2008
From the journal:

Journal of Materials Chemistry

Pyrolysis of single molecular precursor for monodisperse lanthanide sulfide/oxysulfide nanocrystals†

Fei Zhaoa  and  Song Gao*a  

* Corresponding authors

a Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
E-mail: gaosong@pku.edu.cn

Abstract

We have developed a facile and direct procedure for the preparation of lanthanide chalcogenide nanocrystals (NCs) with controllable morphologies. Eu(II)S NCs were successfully obtained when protecting the reaction in inert environment, while opening the system to air resulted in lanthanide oxysulfide. Surface ligands play an important role during the crystallization and the growth process. Magnetic studies indicate that spin glass behavior was found in the EuS system and the size dependent magnetic properties were systematically investigated. Lanthanide oxysulfide NCs also show particular optical phenomena due to surface effects and their dimensions.

Graphical abstract: Pyrolysis of single molecular precursor for monodisperse lanthanide sulfide/oxysulfide nanocrystals

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Article information

DOI
https://doi.org/10.1039/B713636F
Article type
Highlight
Submitted
05 Sep 2007
Accepted
30 Oct 2007
First published
22 Nov 2007

J. Mater. Chem., 2008,18, 949-953

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Pyrolysis of single molecular precursor for monodisperse lanthanide sulfide/oxysulfide nanocrystals

F. Zhao and S. Gao, J. Mater. Chem., 2008, 18, 949 DOI: 10.1039/B713636F

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