水/正己烷界面上超声波介导组装金纳米粒子薄膜用作SERS基底

被引：3

作者：

马娟 ^{[1
]}

卢军军 ^{[1
]}

芦玲慧 ^{[1
]}

胡家文 ^{[1
]}

潘建高 ^{[1
]}

徐蔚青 ^{[2
]}

机构：

[1] 湖南大学化学生物传感与计量学国家重点实验室,生物医学工程中心化学化工学院

[2] 吉林大学超分子结构与材料国家重点实验室

来源：

高等学校化学学报 | 2009年 / 30卷 / 11期

基金：

湖南省自然科学基金;

关键词：

表面增强拉曼散射; 超声波; 金纳米粒子; 自组装; 液/液界面;

D O I：

暂无

中图分类号：

O641.3 [分子间的相互作用、超分子化学];

学科分类号：

070304 ; 081704 ;

摘要：

We reported sonication-mediated film assembly of gold nanoparticles at a water/hexane interface used as a surface-enhanced Raman scattering(SERS) substrate.Gold colloids/hexane biphasic system was emulsified by sonication,and then the emulsions were left undisturbed to allow natural breaking emulsions.In the end,gold nanoparticle films were formed at the interface.The interfacial nanoparticle films can be easily transferred onto a Cu grid and Si wafer for transmission electron microscopy(TEM) and SERS characterizations,respectively.TEM image shows that the as-formed gold nanoparticle films are of a monolayer structure without notable aggregates.SERS measurements indicate that when the gold nanoparticle films were used as SERS substrates to detect 4-MPY,the detection limit can be reached to 1×10-8 mol/L.

引用

页码：2288 / 2290

页数：3