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Templation, Water Content, and Zeta Potential of Polyelectrolyte Nanoassemblies: a Comparison Between Polyelectrolyte Multilayers and Brushes
Author(s) -
Moya Sergio Enrique,
Iturri Ramos Jagoba Jon,
Llarena Irantzu
Publication year - 2012
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.201100874
Subject(s) - polyelectrolyte , ionic strength , zeta potential , ionic bonding , materials science , polymer , chemical engineering , nanoscopic scale , nanotechnology , chemical physics , polymer chemistry , polymer science , chemistry , composite material , aqueous solution , nanoparticle , organic chemistry , ion , engineering
This feature article deals with the self assembly and physical chemistry of polyelectrolytes: multilayers and brushes. The article highlights the interesting behavior of polyelectrolytes in nanoscale assemblies, giving more insight into the complexity of the formation of the assemblies. The water content of multilayers and brushes is studied during the assembly and in different ionic strengths. Similarities are found in the behavior of the brushes and multilayers with ionic strength, with regard to changes in the thickness and the water content. An invariance of the zeta potential with ionic strength is also observed for both systems, which can be explained as a result of conformational changes of the polymer chains. Finally, the combination of brushes and multilayers for surface modification is presented.