Multiple hydrogen bond interactions in the processing of functionalized multi-walled carbon nanotubes
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In a set of unprecedented experiments combining bottom-up and top-down approaches, we report the engineering of patterned surfaces in which functionalized MWCNTs have been selectively adsorbed on polymeric matrices as obtained by microlithographic photo-cross-linking of polystyrene polymers bearing 2,6-di(acetylamino)-4-pyridyl moieties (PS1) deposited on glass or Si. All patterned surfaces have been characterized by optical, fluorescence, and SEM imaging techniques, showing the local confinement of the CNTs materials on the polymeric microgrids. These results open new possibilities toward the controlled manipulation of CNTs on surfaces, using H-bonding self-assembly as the main driving force. © 2011 American Chemical Society.
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carbon nanotubes; functionalization; hydrogen bond; patterned surfaces; polymeric matrices; self-assembly Driving forces; functionalization; Functionalized; Functionalized multi-walled carbon nanotubes; H-bonding; Hydrogen bond interaction; Local confinement; Micro grid; Patterned surface; Photocross-linking; Polymeric matrices; Polystyrene polymers; Pyridyl; Topdown; Carbon nanotubes; Hydrogen bonds; Imaging techniques; Multiwalled carbon nanotubes (MWCN); Polymeric glass; Polystyrenes; Self assembly; Surfaces; Functional polymers; carbon nanotube; article; chemistry; conformation; crystallization; hydrogen bond; macromolecule; materials testing; methodology; particle size; surface property; ultrastructure; Crystallization; Hydrogen Bonding; Macromolecular Substances; Materials Testing; Molecular Conformation; Nanotubes, Carbon; Particle Size; Surface Properties
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