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Polymer Brushes on Planar TiO 2 Substrates
Author(s) -
Yang Jiming,
Hou Liman,
Xu Bin,
Zhang Ning,
Liang Yongjiu,
Tian Wenjing,
Dong Dewen
Publication year - 2014
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.201400068
Subject(s) - materials science , polystyrene , polymer , photopolymer , polymer chemistry , contact angle , methyl methacrylate , monomer , polymerization , chemical engineering , methacrylate , x ray photoelectron spectroscopy , amorphous solid , composite material , chemistry , organic chemistry , engineering
A facile and universal method is presented for the preparation of polymer brushes on amorphous TiO 2 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 TiO 2 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.