Facile deposition of continuous gold shells on Tween-20 modified Fe3O4 superparticles

Xiumei Jin; Jinglun Liang; Chunfeng Yang; Ruijun Hao; Jiaqi Zhuang; Wensheng Yang

doi:10.1039/C3TB00045A

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Facile deposition of continuous gold shells on Tween-20 modified Fe₃O₄ superparticles†

Xiumei Jin,^a Jinglun Liang,^a Chunfeng Yang,^a Ruijun Hao,^a Jiaqi Zhuang^a and Wensheng Yang*^a

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* Corresponding authors

^a State Key Laboratory for Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
E-mail: wsyang@jlu.edu.cn
Fax: +86-431-85168086
Tel: +86-431-85168185

Abstract

A facile method to deposit continuous Au shells on Fe₃O₄ colloidal superparticles was developed by introducing Tween-20 as a surface modification agent to maintain the colloidal stability of the Fe₃O₄ superparticles and provide nucleation and growth sites for the Au shells. The Fe₃O₄–Au core–shell particles showed excellent chemical stability, superparamagnetic properties and efficient photothermal conversion performance under laser irradiation at 808 nm, and were expected to be a useful material for biodetection and cancer therapy.

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Article information

DOI: https://doi.org/10.1039/C3TB00045A
Article type: Paper
Submitted: 11 Jan 2013
Accepted: 12 Feb 2013
First published: 12 Feb 2013

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J. Mater. Chem. B, 2013,1, 1921-1925

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Facile deposition of continuous gold shells on Tween-20 modified Fe₃O₄ superparticles

X. Jin, J. Liang, C. Yang, R. Hao, J. Zhuang and W. Yang, J. Mater. Chem. B, 2013, 1, 1921 DOI: 10.1039/C3TB00045A

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Journal of Materials Chemistry B