Effect of shear on the desorption of oligomers in nanoscopically confined films

E. Manias; G. Hadziioannou; G. Ten Brinke

doi:10.1063/1.467794

Effect of shear on the desorption of oligomers in nanoscopically confined films

E. Manias, G. Hadziioannou, G. Ten Brinke

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32 Scopus citations

Abstract

Bitsanis et al. J. Chem. Phys. 99, 5520 (1993) found that in nanoscopically confined films between strongly physisorbing surfaces chains with many contacts with the walls are irreversibly adsorbed. When shear is imposed to these systems molecular dynamics (MD) simulations show that the majority of the adsorbed oligomers adopts flat conformations on top of the walls. Although these conformations are characterized by high molecular adsorption energies, the same MD simulations show that desorption is strongly promoted by shear. The underlying mechanism is discussed.

Original language	English (US)
Pages (from-to)	1721-1724
Number of pages	4
Journal	The Journal of chemical physics
Volume	101
Issue number	2
DOIs	https://doi.org/10.1063/1.467794
State	Published - 1994

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physical and Theoretical Chemistry

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abstract = "Bitsanis et al. J. Chem. Phys. 99, 5520 (1993) found that in nanoscopically confined films between strongly physisorbing surfaces chains with many contacts with the walls are irreversibly adsorbed. When shear is imposed to these systems molecular dynamics (MD) simulations show that the majority of the adsorbed oligomers adopts flat conformations on top of the walls. Although these conformations are characterized by high molecular adsorption energies, the same MD simulations show that desorption is strongly promoted by shear. The underlying mechanism is discussed.",

author = "E. Manias and G. Hadziioannou and {Ten Brinke}, G.",

year = "1994",

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AU - Ten Brinke, G.

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AB - Bitsanis et al. J. Chem. Phys. 99, 5520 (1993) found that in nanoscopically confined films between strongly physisorbing surfaces chains with many contacts with the walls are irreversibly adsorbed. When shear is imposed to these systems molecular dynamics (MD) simulations show that the majority of the adsorbed oligomers adopts flat conformations on top of the walls. Although these conformations are characterized by high molecular adsorption energies, the same MD simulations show that desorption is strongly promoted by shear. The underlying mechanism is discussed.

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Effect of shear on the desorption of oligomers in nanoscopically confined films

Abstract

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