Diffusional self-organization in exponential layer-by-layer films with micro and nanoscale periodicity

P. Podsiadlo, M. Michel, K. Critchley, S. Srivastava, M. Qin, J.W. Lee, E.A. Verploegen, A.J. Hart, Y. Qi, N.A. Kotov.  Angewandte Chemie International Edition 48(38):7073–7077, 2009. [http://dx.doi.org/10.1002/anie.200901720]

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The layer-by-layer deposition of poly(diallyldimethylammonium chloride) and poly(acrylic acid) incorporating inorganic sheets of sodium montmorillonite clay leads to a stratified structure throughout the film interior, with micrometer-thick polymer complex layers and thin clay strata (see picture; right: cross-section).

 

 

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