Amphiphilic modification and asymmetric silica encapsulation of hydrophobic Au–Fe3O4 dumbbell nanoparticles

Binghui Wu; Shaoheng Tang; Mei Chen; Nanfeng Zheng

doi:10.1039/C3CC47634K

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Amphiphilic modification and asymmetric silica encapsulation of hydrophobic Au–Fe₃O₄ dumbbell nanoparticles†

Binghui Wu,^a Shaoheng Tang,^a Mei Chen^a and Nanfeng Zheng*^a

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* Corresponding authors

^a State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
E-mail: nfzheng@xmu.edu.cn
Fax: +86 592 2183047

Abstract

A facile method is developed for amphiphilic surface modification and asymmetric silica encapsulation of hydrophobic Au–Fe₃O₄ dumbbell nanoparticles. The obtained asymmetric Janus nanocomposites display tunable wettability, enhanced catalysis and better cell internalization as compared to those with complete silica encapsulation.

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Article information

DOI: https://doi.org/10.1039/C3CC47634K
Article type: Communication
Submitted: 05 Oct 2013
Accepted: 28 Oct 2013
First published: 29 Oct 2013

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Chem. Commun., 2014,50, 174-176

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Amphiphilic modification and asymmetric silica encapsulation of hydrophobic Au–Fe₃O₄ dumbbell nanoparticles

B. Wu, S. Tang, M. Chen and N. Zheng, Chem. Commun., 2014, 50, 174 DOI: 10.1039/C3CC47634K

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Chemical Communications