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

页码：6690 / 6695

页数：6

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