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Adsorption of Homopolymer Chains on a Strip-Patterned Surface: A Monte Carlo Study

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Abstract

In this study we investigated the process of chemisorption of polymers on solid surfaces. The formation of a strongly adsorbed polymer film was studied by Monte Carlo simulations. The adsorbing planar surface was patterned with strip-like repulsive sites. The polymer chains were represented by a sequence of schematically constructed objects (united atoms) and we considered star-branched macromolecules with f = 3 arms of equal length. The chains were studied at good solvent conditions and thus the excluded volume was the only potential of interaction between the polymers. A Metropolis-like sampling algorithm was employed in order to calculate the properties of the adsorbed chains. The influence of the chain length, the system density and the type of the pattern on the adsorbing surface on size of chains and the structure of the polymer film were determined and discussed. We found that the roughness of the polymer film surface depends non-monotonics on the number of polymer beads in the system. The shape of this surface reflects the pattern imposed on the substrate.

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Acknowledgments

The computational part of this work was done using the computer cluster at the Computing Center of the Department of Chemistry, University of Warsaw.

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Authors and Affiliations

  1. Department of Chemistry, University of Warsaw, 02-093, Warszawa, Poland

    Piotr Adamczyk, Piotr Romiszowski & Andrzej Sikorski

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  1. Piotr Adamczyk
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  2. Piotr Romiszowski
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  3. Andrzej Sikorski
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Correspondence to Andrzej Sikorski.

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Adamczyk, P., Romiszowski, P. & Sikorski, A. Adsorption of Homopolymer Chains on a Strip-Patterned Surface: A Monte Carlo Study. Catal Lett 129, 130–134 (2009). https://doi.org/10.1007/s10562-008-9795-8

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  • DOI: https://doi.org/10.1007/s10562-008-9795-8

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