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|Title: ||Structure, phase behavior, and inhomogeneous fluid properties of binary dendrimer mixtures|
|Authors: ||Gotze, I.O.|
Archer, Andrew J.
|Issue Date: ||2006|
|Publisher: ||© American Institute of Physics|
|Citation: ||GOTZE, I.O., ARCHER, A.J. and LIKOS, C.N., 2006. Structure, phase behavior, and inhomogeneous fluid properties of binary dendrimer mixtures. Journal of Chemical Physics, 124 (8), 084901.|
|Abstract: ||The effective pair potentials between different kinds of dendrimers in solution can be well approximated by appropriate Gaussian functions. We find that in binary dendrimer mixtures the range and strength of the effective interactions depend strongly upon the specific dendrimer architecture. We consider two different types of dendrimer mixtures, employing the Gaussian effective pair potentials, to determine the bulk fluid structure and phase behavior. Using a simple mean field density functional theory (DFT) we find good agreement between theory and simulation results for the bulk fluid structure. Depending on the mixture, we find bulk fluid-fluid phase separation (macrophase separation) or microphase separation, i.e., a transition to a state characterized by undamped periodic concentration fluctuations. We also determine the inhomogeneous fluid structure for confinement in spherical cavities. Again, we find good agreement between the DFT and simulation results. For the dendrimer mixture exhibiting microphase separation, we observe a rather striking pattern formation under confinement. © 2006 American Institute of Physics.|
|Description: ||Copyright 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Chemical Physics, 2006, 124 (8), 084901 and may be found at: http://dx.doi.org/10.1063/1.2172596|
|Sponsor: ||This work was funded in part by the Deutsche Forschungsgemeinschaft (DFG). One of the authors (A.J.A.) acknowledges the support of EPSRC under Grant No. GR/S28631/01.|
|Publisher Link: ||http://dx.doi.org/10.1063/1.2172596|
|Appears in Collections:||Published Articles (Maths)|
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