十八胺作为还原剂和包裹剂制备具有SERS活性的金纳米线  

Synthesis of SERS Active Au Nanowires by Using 1-Octadecylamine as both Reducing Agent and Stabilizer

作　　者：侯晓淼[1] 张小玲[1] 陈书堂[1] 李娜[1] 

机构地区：[1]北京理工大学理学院化学系原子分子簇科学教育部重点实验室,北京100081

出　　处：《纳米科技》2011年第4期27-31,35,共6页

基　　金：国家自然科学基金项目（No.20975012）; 111引智计划（B07012）

摘　　要：采用化学还原方法,在有机相中利用十八胺作为还原剂和包裹剂,在油酸的辅助下,合成了具有一维结构的金纳米线,并将制得的金纳米线用作基底,在其表面获得了罗丹明B分子的SERS光谱,实验结果表明,金纳米线具有良好的SERS活性,有望应用于高灵敏度光学检测。Au one-dimensional nanowires with length up to micrometers were synthesized through a simple and one-pot solution growth method.HAuCl4 was reduced in a micellar structure formed by 1-octadecylamine and oleic acid.The complex formed by 1-octadecylamine and oleic acid can serve as one-dimensional growth template,reducing agent and stabilizer for Au nanowires.Surface-enhanced Raman scattering（SERS） spectrum of rhodamine B can be obtained on the Au nanowires modified substrate,indicating that the as-synthesized Au nanowires have great potential for high sensitive optical detection application.

关 键 词：十八胺 油酸 金纳米线 表面增强拉曼散射 

分 类 号：O657.3[理学—分析化学]