Reverse micelles of star-block copolymer as nanoreactors for preparation of gold nanoparticles

被引：54

作者：

Li, Junbo ^{[1
]}

Shi, Linqi ^{[1
]}

An, Yingli ^{[1
]}

Li, Yan ^{[1
]}

Chen, Xi ^{[1
]}

Dong, Huijun ^{[1
]}

机构：

[1] Nankai Univ, Coll Chem, Key Lab Funct Polymer Mat, Minist Educ,Inst Polymer Chem, Tianjin 300071, Peoples R China

来源：

POLYMER | 2006年 / 47卷 / 26期

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

star-block copolymers; reverse micelles; gold nanoparticles;

D O I：

10.1016/j.polymer.2006.09.071

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The star-block copolymers poly(styrene)-block-poly(4-vinylpyridine) ((PS-b-P4VP)(4)) are synthesized by two-step atom transfer radical polymerization (ATRP) using pentaerythritol tetrakis (2-bromoisobutyrate) as initiator. The star-block copolymers form reverse micelles in toluene with the P4VP core and the PS shell. The reverse micelles and their complexes with HAuCl(4)(.)3H(2)O are investigated by a combination of dynamic laser scattering (DLS) and static laser scattering (SLS) in toluene. Gold nanoparticles are subsequently obtained by reducing the complex micelles with anhydrous hydrazine. The size and morphology of reverse micelles, hybrid micelles and gold nanoparticles are also investigated by transmission electron microscope (TEM). The obtained gold nanopanicles are of small quantum size (ca. 2 nm) and narrow distribution. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：8480 / 8487

页数：8

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