Tuning the hydrophilicity of gold nanoparticles templated in star block copolymers

被引：57
|
作者：
Fustin, Charles-Andre
Colard, Catheline
Filali, Mariam
Guillet, Pierre
Duwez, Anne-Sophie
Meier, Michael A. R.
Schubert, Ulrich S.
Gohy, Jean-Francois
机构：
[1] Catholic Univ Louvain, CeRMiN, CMAT, B-1348 Louvain, Belgium
[2] Catholic Univ Louvain, Res Ctr Micro & Nano Mat & Elect Devices, B-1348 Louvain, Belgium
[3] Catholic Univ Louvain, CeRMiN, B-1348 Louvain, Belgium
[4] Catholic Univ Louvain, Unite Chim & Phys Hauts Polymeres, B-1348 Louvain, Belgium
[5] Eindhoven Univ Technol, Lab Macromol Chem & Nanosci, NL-5600 MB Eindhoven, Netherlands
[6] Dutch Polymer Inst, NL-5600 MB Eindhoven, Netherlands
来源：
LANGMUIR | 2006年 / 22卷 / 15期
关键词：
D O I：
10.1021/la060758h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report on a simple procedure to tune the hydrophilicity of hybrid gold nanoparticles. The nanoparticles have been prepared in the core of a poly(ethylene glycol)-block-poly(epsilon-caprolactone) (PEG-b-PCL) five-arm star block copolymer. A hydrophilic corona was then added to these hybrid gold nanoparticles by direct chemisorption of trithiocarbonate-containing poly(acrylic acid) chains. These polymers were synthesized by RAFT polymerization with a trithiocarbonate as the chain-transfer agent. The efficiency of the grafting was evidenced by TEM, AFM, and DLS and by the successful transfer of these nanoparticles from organic solvent to water.
引用
收藏
页码：6690 / 6695
页数：6
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