Issue 4, 2009

Polymeric complexes as building blocks for rapid fabrication of layer-by-layer assembled multilayer films and their application as superhydrophobic coatings

Abstract

A facile method for rapid fabrication of micrometre-thick films with hierarchical micro- and nanostructures was developed by layer-by-layer (LbL) deposition of hydrogen-bonded complexes of poly(vinylpyrrolidione) (PVPON) and poly(acrylic acid) (PAA) (denoted PVPON&PAA) with poly(methacrylic acid) (PMAA). FT-IR spectroscopy confirmed that hydrogen-bonding interactions between the PVPON of PVPON&PAA complexes and PMAA was the driving force for the successful construction of the LbL assembled PVPON&PAA/PMAA films. A non-drying film preparative process was critically important to realize the rapid fabrication of PVPON&PAA/PMAA films with hierarchical micro- and nanostructures because the structure of the adsorbed spherical PVPON&PAA complexes can be well preserved during film fabrication which led to an exponential growth of the PVPON&PAA/PMAA films. After chemical vapor deposition of a layer of fluoroalkylsilane on top of the as-prepared PVPON&PAA/PMAA films with hierarchical micro- and nanostructures, superhydrophobic coatings were conveniently fabricated. The use of polymeric complexes as building blocks for LbL film fabrication not only provides a facile method for the rapid fabrication of micrometre-thick films, but also enables the convenient tailoring of film structures because of the structural diversity of polymeric complexes in solution.

Graphical abstract: Polymeric complexes as building blocks for rapid fabrication of layer-by-layer assembled multilayer films and their application as superhydrophobic coatings

Article information

Article type
Paper
Submitted
06 Oct 2008
Accepted
07 Nov 2008
First published
10 Dec 2008

J. Mater. Chem., 2009,19, 497-504

Polymeric complexes as building blocks for rapid fabrication of layer-by-layer assembled multilayer films and their application as superhydrophobic coatings

X. Liu, B. Dai, L. Zhou and J. Sun, J. Mater. Chem., 2009, 19, 497 DOI: 10.1039/B817467A

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