Photothermally actuated interfacial hydration for fast friction switch on hydrophilic polymer brush modified PDMS sheet incorporated with Fe3O4 nanoparticles

Guoqiang Liu; Meirong Cai; Yange Feng; Xiaolong Wang; Feng Zhou; Weimin Liu

doi:10.1039/C5CC09954D

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Photothermally actuated interfacial hydration for fast friction switch on hydrophilic polymer brush modified PDMS sheet incorporated with Fe₃O₄ nanoparticles†

Guoqiang Liu,^ab Meirong Cai,^a Yange Feng,^ab Xiaolong Wang,*^a Feng Zhou*^a and Weimin Liu^a

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* Corresponding authors

^a State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, China
E-mail: wangxl@licp.cas.cn, zhouf@licp.cas.cn

^b University of Chinese Academy of Sciences, Beijing, China

Abstract

A near-infrared light triggered fast interfacial friction switch was achieved with polyelectrolyte brush grafted PDMS embedded with Fe₃O₄ nanoparticles, where the in situ heating up of the photothermal Fe₃O₄ nanoparticles in the polymer matrix changes the interface humidity and thereafter alters the hydration level of the interfacial polymer brushes.

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Article information

DOI: https://doi.org/10.1039/C5CC09954D
Article type: Communication
Submitted: 03 Dec 2015
Accepted: 03 Feb 2016
First published: 03 Feb 2016

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Chem. Commun., 2016,52, 3681-3683

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Photothermally actuated interfacial hydration for fast friction switch on hydrophilic polymer brush modified PDMS sheet incorporated with Fe₃O₄ nanoparticles

G. Liu, M. Cai, Y. Feng, X. Wang, F. Zhou and W. Liu, Chem. Commun., 2016, 52, 3681 DOI: 10.1039/C5CC09954D

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