Onion-like microspheres with tricomponent from gelable triblock copolymers

被引：23
|
作者：
Zhang, Ke [1 ]
Gao, Lei [1 ]
Chen, Yongming [1 ]
Yang, Zhenzhong [1 ]
机构：
[1] Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2010年 / 346卷 / 01期
关键词：
Aerosols; Block copolymers; Gold nanoclusters; Organic/inorganic hybrids; Self-assembly; MULTILAMELLAR VESICLES; COMPOSITE-PARTICLES; DIBLOCK COPOLYMER; BLOCK-COPOLYMERS; NANOPARTICLES; BLENDS; PHASE; TRANSITIONS; SPHERULITES; MORPHOLOGY;
D O I：
10.1016/j.jcis.2010.02.039
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Onion-like functional microspheres with three alternate layers were obtained by aerosol-assisted self-assembly of a functional block copolymer, poly(3-(triethoxysilyl)propyl methacrylate)-block-polystyrene-block-poly(2-vinylpyridine) (PTEPM-b-PS-b-P2VP) Through self-gelation reaction occurred in the PTEPM layers, organic/inorganic hybrid functional spheres with highly ordered concentric curved lamellar structure were prepared Using these hybrid onion-like microspheres as templates, gold ions were entrapped into the P2VP layers and then gold nanoparticles located in each P2VP layers were formed by a reduction By dispersing in acidic water, the onion-like polymeric spheres were broken and, as a result, sandwich-like nanoplates with curved morphology were obtained. (C) 2010 Elsevier Inc All rights reserved.
引用
收藏
页码：48 / 53
页数：6
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