Superparamagnetic and upconversion emitting Fe3O4/NaYF4 : Yb,Er hetero-nanoparticles via a crosslinker anchoring strategy

Jie Shen; Ling-Dong Sun; Ya-Wen Zhang; Chun-Hua Yan

doi:10.1039/C0CC00814A

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Superparamagnetic and upconversion emitting Fe₃O₄/NaYF₄ : Yb,Er hetero-nanoparticlesvia a crosslinker anchoring strategy†

Jie Shen,^a Ling-Dong Sun,*^a Ya-Wen Zhang^a and Chun-Hua Yan*^a

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* Corresponding authors

^a Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications & PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry, Peking University, Beijing, China
E-mail: yan@pku.edu.cn, sun@pku.edu.cn
Fax: +86 10 6275 4179
Tel: +86 10 6275 4179

Abstract

A crosslinker anchoring process was developed to synthesize Fe₃O₄/NaYF₄ : Yb,Er hetero-nanoparticles (NPs) with dual properties of superparamagnetism and upconversion (UC) emission. After ligand ozonolysis treatment, these NPs could be well dispersed in water.

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Supplementary files

The synthesis details, control synthesis experiments, surface modification, magnetic patterning procedure, and further characterization results for the hetero-NPs PDF (2832K)

Article information

DOI: https://doi.org/10.1039/C0CC00814A
Article type: Communication
Submitted: 07 Apr 2010
Accepted: 04 Jun 2010
First published: 28 Jun 2010

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Chem. Commun., 2010,46, 5731-5733

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Superparamagnetic and upconversion emitting Fe₃O₄/NaYF₄ : Yb,Er hetero-nanoparticles via a crosslinker anchoring strategy

J. Shen, L. Sun, Y. Zhang and C. Yan, Chem. Commun., 2010, 46, 5731 DOI: 10.1039/C0CC00814A

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Chemical Communications