Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 128, Issue 3, Pages 377-382Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2011.03.009
Keywords
Chemical synthesis; Composite materials; Microstructure; Chemical techniques
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Funding
- National Natural Science Foundation of China [50973020]
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Janus particles possess promising performances. It is challenging to develop new methods to control composition and microstructure of the particles. In this report, we describe a general template synthesis of several non-spherical Janus composite particles by the template of dumbbell-like silica/polystyrene (PS) Janus particles. Both PS and silica can be modified to introduce desired functional groups respectively, or induce crystallization of other materials on the particle surface. Especially, by favorable growth of materials within the sulfonated PS gel forming the core-shell structure at the polymer part, several new Janus hollow particles are obtained after removal of the PS core. (C) 2011 Elsevier B.V. All rights reserved.
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