On the adsorption of a polymer chain with positive or negative bending stiffness onto a planar surface

Alexey A. Polotsky and Anna S. Ivanova

Physica A: Statistical Mechanics and its Applications, 2021, vol. 562, issue C

Abstract: Adsorption of a single homopolymer chain with bending stiffness on a homogeneous planar surface is studied theoretically in the framework of the lattice model and the generating functions approach. The stiffness is introduced by assigning a statistical weight to a trans-isomer (a straight segment) with respect to a gauche-isomer (a kink). This statistical weight is related to the bending energy εbend associated with a kink: k=exp(εbend∕kBT) and depends on the temperature but one can also treat k as a temperature-independent parameter. Both positive and negative values of the bending energy corresponding to stiff (εbend>0, k>1, positive stiffness) and “quasi-zigzag” (εbend<0, 0Keywords: Polymer adsorption; Chain stiffness; Lattice model; Generating functions (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:562:y:2021:i:c:s0378437120306956

DOI: 10.1016/j.physa.2020.125319

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