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Competition between self-assembly and surface adsorption
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10.1063/1.3077866
/content/aip/journal/jcp/130/8/10.1063/1.3077866
http://aip.metastore.ingenta.com/content/aip/journal/jcp/130/8/10.1063/1.3077866
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The extent of self-assembly in solution and on the surface as a function of temperature for fixed initial monomer concentration when all three self-assembly processes (adsorption on the surface and self-assembly in solution and on the surface) occur upon cooling [, , and ]. The solid curves represent the order parameter for surface self-assembly and from left to right correspond to , −50, and −70 kJ/mol, while the dashed curve denotes , which is independent of and .

Image of FIG. 2.
FIG. 2.

The extent of self-assembly in solution and on the surface as a function of temperature (a) and of the initial monomer concentration (b) for the system illustrated in Fig. 1. The fraction of the surface occupied by adsorbed species equals unity at over the whole concentration range and the concentration of absorbed monomers is constant and less than for all and .

Image of FIG. 3.
FIG. 3.

The temperature variation of the average cluster size in solution and on the surface for one of the model system in Fig. 1.

Image of FIG. 4.
FIG. 4.

The temperature variation of the extent of self-assembly in solution [; (a)] and on the surface [; (b)] when monomer adsorption proceeds upon cooling [, J/mol K], while self-assembly in solution and on the surface occur upon heating . Different curves correspond to the indicated initial monomer concentrations . This simple model of self-assembly is further analyzed in Figs. 5 and 6.

Image of FIG. 5.
FIG. 5.

The fraction of the surface occupied by adsorbed species as a function of temperature (a) and of initial monomer concentration (b) for the model system considered in Fig. 4.

Image of FIG. 6.
FIG. 6.

The temperature variation of the average cluster size in solution [; (a)] and on the surface [; (b)] for the model system analyzed in Fig. 4. Different curves correspond to the indicated initial monomer concentrations .

Image of FIG. 7.
FIG. 7.

The extent of self-assembly in solution and on the surface as a function of temperature for a series of model systems where monomer adsorption occurs upon cooling and self-assembly proceeds upon heating. The systems differ from those analyzed in Figs. 4–6 by allowing to depart from [, and ]. The solid curves represent and from bottom to top correspond to , 35, 30, 25, and 20 kJ/mol. The dashed curve denotes , which is independent of the magnitude of .

Image of FIG. 8.
FIG. 8.

The average cluster size in solution and on the surface as a function of temperature for the series of model systems considered in Fig. 7. The solid curves denote and from bottom to top correspond to , 30, 25, and 20 kJ/mol. The dashed curve indicates that is insensitive to the magnitude of .

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/content/aip/journal/jcp/130/8/10.1063/1.3077866
2009-02-25
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Competition between self-assembly and surface adsorption
http://aip.metastore.ingenta.com/content/aip/journal/jcp/130/8/10.1063/1.3077866
10.1063/1.3077866
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