Issue 18, 2011
From the journal:

Dalton Transactions

Assembly of superparamagnetic colloidal nanoparticles into field-responsive purple Bragg reflectors†

Hui Wang,a   Qian-Wang Chen,*a   Yi-Fei Yua  and  Kai Chenga  

* Corresponding authors

a Hefei National Laboratory for Physical Sciences at Microscale and Department of Materials Science & Engineering, University of Science and Technology of China, Hefei, China
E-mail: cqw@ustc.edu.cn
Fax: +86-0551-3607292
Tel: +86-0551-3607292

Abstract

This communication demonstrates the assembly of superparaferromagnetic colloidal nanoparticles into one-dimensional (1D) nanochain structures using an external magnetic field at room temperature, which were surrounded and linked by the amorphous carbon on the surface of nanoparticles. It is suggested that these nanochains have a fixed distance between adjacent colloidal particles and can diffract purple visible light (404 nm) under the induction of an external magnetic field.

Graphical abstract: Assembly of superparamagnetic colloidal nanoparticles into field-responsive purple Bragg reflectors

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Article information

DOI
https://doi.org/10.1039/C1DT10268K
Article type
Communication
Submitted
18 Feb 2011
Accepted
23 Mar 2011
First published
05 Apr 2011

Dalton Trans., 2011,40, 4810-4813

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Assembly of superparamagnetic colloidal nanoparticles into field-responsive purple Bragg reflectors

H. Wang, Q. Chen, Y. Yu and K. Cheng, Dalton Trans., 2011, 40, 4810 DOI: 10.1039/C1DT10268K

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