Wang, Zhen-Gang (1992) Curvature instability of diblock copolymer bilayers. Macromolecules, 25 (14). pp. 3702-3705. ISSN 0024-9297. doi:10.1021/ma00040a015. https://resolver.caltech.edu/CaltechAUTHORS:20180313-152006067
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Abstract
The curvature expansion of the free energy for diblock copolymers aggregated into bilayers is studied for strongly incompatible diblocks. It is shown that sufficient asymmetry in the di block composition leads to an instability of the flat bilayer with respect to spherical or saddle-splay deformations: when the bilayer consists of two (diblock copolymer) monolayers each having a strong tendency to curve convexly toward the solvent, i.e., when the outer block is much larger than the inner block, spherical vesicles become favored by the curvature elastic free energy over flat bilayers. In the opposite case, saddle-splay deformations are favored.
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| Additional Information: | © 1992 American Chemical Society. Received November 14, 1991; Revised Manuscript Received April 6, 1992. I thank S. A. Safran for helpful discussions and a critical reading of the manuscript. Financial support from the National Science Foundation (Grant CHE88-16059) through Professor W. M. Gelbart at the University of California, Los Angeles, CA, where part of this work was conducted, and from The Camille and Henry Dreyfus New Faculty Awards Program is gratefully acknowledged. | |||||||||
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| Issue or Number: | 14 | |||||||||
| DOI: | 10.1021/ma00040a015 | |||||||||
| Record Number: | CaltechAUTHORS:20180313-152006067 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180313-152006067 | |||||||||
| Official Citation: | Curvature instability of diblock copolymer bilayers. Zhen Gang Wang. Macromolecules 1992 25 (14), 3702-3705. DOI: 10.1021/ma00040a015 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 85287 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 13 Mar 2018 22:30 | |||||||||
| Last Modified: | 15 Nov 2021 20:27 |
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