Highly-organized stacked multilayers via layer-by-layer assembly of lipid-like surfactants and polyelectrolytes. Stratified supramolecular structures for (bio)electrochemical nanoarchitectonics

Soft Matter
M Lorena CortezOmar Azzaroni

Abstract

Supramolecular self-assembly is of paramount importance for the development of novel functional materials with molecular-level feature control. In particular, the interest in creating well-defined stratified multilayers through simple methods using readily available building blocks is motivated by a multitude of research activities in the field of "nanoarchitectonics" as well as evolving technological applications. Herein, we report on the facile preparation and application of highly organized stacked multilayers via layer-by-layer assembly of lipid-like surfactants and polyelectrolytes. Polyelectrolyte multilayers with high degree of stratification of the internal structure were constructed through consecutive assembly of polyallylamine and dodecyl phosphate, a lipid-like surfactant that act as a structure-directing agent. We show that multilayers form well-defined lamellar hydrophilic/hydrophobic domains oriented parallel to the substrate. More important, X-ray reflectivity characterization conclusively revealed the presence of Bragg peaks up to fourth order, evidencing the highly stratified structure of the multilayer. Additionally, hydrophobic lamellar domains were used as hosts for ferrocene in order to create an electroch...Continue Reading

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Citations

Jul 4, 2019·Advanced Materials·Gonzalo Pérez-MittaOmar Azzaroni
Jun 30, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Mark E Welker
Oct 11, 2019·Physical Chemistry Chemical Physics : PCCP·Daniele ZappiFernando Battaglini
Feb 23, 2019·Science and Technology of Advanced Materials·Katsuhiko ArigaJonathan P Hill
Nov 16, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Blaise L GeogheganIan A Gass
Apr 4, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Katsuhiko Ariga
Aug 19, 2020·Journal of Colloid and Interface Science·Esteban PiccininiFernando Battaglini
Dec 24, 2021·Physical Chemistry Chemical Physics : PCCP·Katsuhiko ArigaGero Decher

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Methods Mentioned

BETA
X-ray
Bragg diffraction
atomic force microscopy
AFM

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