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

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

Chem Commun (Camb). 2016 Mar 4;52(18):3681-3. doi: 10.1039/c5cc09954d.

Authors

Guoqiang Liu¹, Meirong Cai², Yange Feng¹, Xiaolong Wang², Feng Zhou², Weimin Liu²

Affiliations

¹ State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China. wangxl@licp.cas.cn zhouf@licp.cas.cn and University of Chinese Academy of Sciences, Beijing, 100039, China.
² State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China. wangxl@licp.cas.cn zhouf@licp.cas.cn.

PMID: 26856309
DOI: 10.1039/c5cc09954d

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.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Ferric Compounds / chemistry*
Friction
Hydrophobic and Hydrophilic Interactions
Nanoparticles / chemistry*
Polymers / chemistry*

Substances

Ferric Compounds
Polymers
ferric oxide