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Macromol Rapid Commun. 2014 Jul;35(13):1224-9. doi: 10.1002/marc.201400068. Epub 2014 Apr 9.

Polymer brushes on planar TiO2 substrates.

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  • 1Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China.


A facile and universal method is presented for the preparation of polymer brushes on amorphous TiO2 film. Homogeneous and stable poly(methyl methacrylate), polystyrene, poly(4-vinylpyridine), and poly(N-vinyl imidazole) (PNVI) brushes up to 550 nm are directly created onto TiO2 via UV-induced photopolymerization of corresponding monomers. Kinetic studies reveal a linear increase in thickness with the polymerization time. Characterization of the resulting polymer brushes by FTIR spectroscopy, X-ray photoelectron spectroscopy, contact angle, and atomic force microscopy (AFM) indicates an efficient UV-grafting reaction. Finally, we have demonstrated the possibility in converting the PNVI brushes to poly(vinyl imidazolium bromide), i.e., poly(ionic liquid) brushes by polymer-analogous reactions.

© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.


SIPGP; TiO2; poly(ionic liquid) brushes; polymer brushes; polymer-analogous reactions

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