期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 128, 期 3, 页码 377-382出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2011.03.009
关键词
Chemical synthesis; Composite materials; Microstructure; Chemical techniques
资金
- National Natural Science Foundation of China [50973020]
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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