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J Colloid Interface Sci. 2016 Dec 1;483:11-16. doi: 10.1016/j.jcis.2016.08.005. Epub 2016 Aug 9.

Facile fabrication of magnetically responsive PDMS fiber for camouflage.

Author information

1
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China.
2
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China. Electronic address: wanghz@dhu.edu.cn.
3
Engineering Research Centre of Advanced Glasses Manufacturing Technology, MOE, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China. Electronic address: yaogang_li@dhu.edu.cn.

Abstract

A new type of photonic crystal PDMS fiber which exhibits tunable structural color upon exposure to external magnetic field is described in this article. The novel magnetic field responsive fiber was prepared from embedding ethylene glycol droplets (containing Fe3O4@C nanoparticles) into PDMS. In the presence of an external magnetic field, Fe3O4@C nanoparticles which dispersed in ethylene glycol droplets formed one dimensional chain-like structures along the magnetic field. As a result, the color of the fiber changes to yellow green. By contrast, when the magnetic field was removed, the color of the fiber will disappear and display its original color. Moreover, this novel PDMS fiber has good mechanical properties and could keep its color under a fixed magnetic field no matter it was stretched or squeezed. This study is expected to have some important applications such as none-powered and functionalized fibers for camouflage.

KEYWORDS:

Camouflage; Chain-like structure; Fe(3)O(4)@C CNCs; Magnetic field; PDMS fiber; Responsive photonic crystal

PMID:
27544444
DOI:
10.1016/j.jcis.2016.08.005

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