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Molecular Simulation of the Adsorption of Rod/Coil Blends on Nano-Patterned Surfaces

✍ Scribed by Abdullah Al Sunaidi

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
524 KB
Volume
17
Category
Article
ISSN
1022-1344

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✦ Synopsis

Abstract

The adsorption of rod/coil blends onto patterned surfaces with periodic stripes of width w was simulated using Monte‐Carlo methods. The rods and the coils were taken to be fused monomers of diameter σ, interacting with the stripes by a square‐well potential of depth ε and width σ. When the interaction was through excluded‐volume interactions only, we observed segregation of the components in the adsorbed layer. The adsorbed rods are strongly aligned along the stripe for w = σ, but lose their orientational order for larger w. When a repulsive interaction between the rods and the coils was introduced, an increase in the surface coverage of the rods with better recognition of the stripes was observed.

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