Spontaneous Formation of Complex Micelles from a Homogeneous Solution

by: Xuehao He, Friederike Schmid

Physical Review Letters, Vol. 100, No. 13. (2008)

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Abstract

We present an extensive computer simulation study of structure formation in amphiphilic block copolymer solutions after a quench from a homogeneous state. By using a mesoscopic field-based simulation method, we are able to access time scales in the range of a second. A “phase diagram” of final structures is mapped out as a function of the concentration and solvent philicity of the copolymers. A rich spectrum of structures is observed, ranging from spherical and rodlike micelles and vesicles to toroidal and net-cage micelles. The dynamical pathways leading to these structures are analyzed in detail, and possible ways to control the structures are discussed briefly.

@article{citeulike:2749450, abstract = {We present an extensive computer simulation study of structure formation in amphiphilic block copolymer solutions after a quench from a homogeneous state. By using a mesoscopic field-based simulation method, we are able to access time scales in the range of a second. A \“phase diagram\” of final structures is mapped out as a function of the concentration and solvent philicity of the copolymers. A rich spectrum of structures is observed, ranging from spherical and rodlike micelles and vesicles to toroidal and net-cage micelles. The dynamical pathways leading to these structures are analyzed in detail, and possible ways to control the structures are discussed briefly.}, author = {He, Xuehao and Schmid, Friederike }, citeulike-article-id = {2749450}, doi = {10.1103/PhysRevLett.100.137802}, journal = {Physical Review Letters}, keywords = {2008, focus, micelle, people, polymer, structure}, number = {13}, posted-at = {2008-05-03 19:03:23}, priority = {2}, publisher = {APS}, title = {Spontaneous Formation of Complex Micelles from a Homogeneous Solution}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000100000013137802000001\&idtype=cvips\&gifs=yes}, volume = {100}, year = {2008} }

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TY - JOUR ID - citeulike:2749450 L3 - citeulike-article-id:2749450 TI - Spontaneous Formation of Complex Micelles from a Homogeneous Solution JF - Physical Review Letters VL - 100 IS - 13 PB - APS N2 - We present an extensive computer simulation study of structure formation in amphiphilic block copolymer solutions after a quench from a homogeneous state. By using a mesoscopic field-based simulation method, we are able to access time scales in the range of a second. A “phase diagram” of final structures is mapped out as a function of the concentration and solvent philicity of the copolymers. A rich spectrum of structures is observed, ranging from spherical and rodlike micelles and vesicles to toroidal and net-cage micelles. The dynamical pathways leading to these structures are analyzed in detail, and possible ways to control the structures are discussed briefly. KW - 2008 KW - focus KW - micelle KW - people KW - polymer KW - structure AU - He, Xuehao AU - Schmid, Friederike PY - 2008/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000100000013137802000001&idtype=cvips&gifs=yes ER -

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