Synthesis and manipulation of high aspect ratio gold nanorods grown directly on surfaces

被引：92

作者：

Wei, ZQ ^{[1
]}

Mieszawska, AJ ^{[1
]}

Zamborini, FP ^{[1
]}

机构：

[1] Univ Louisville, Dept Chem, Louisville, KY 40292 USA

来源：

LANGMUIR | 2004年 / 20卷 / 11期

关键词：

D O I：

10.1021/la049702i

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Here we describe the synthesis of Au nanorods directly on glass surfaces using seed-mediated deposition of Au from AuC1(4)(-) onto surface-attached 3-5 nm diameter Au nanoparticles (AuNPs) in the presence of cetyltrimethylammonium bromide (CTAB). The average length (200 nm to 1.2 mum) and aspect ratio (6-22) of the nanorods increases with increasing AuC1(4)(-) concentration. Short, low aspect ratio Au nanorods are manipulated with an atomic force microscopy (AFM) tip, while longer, high aspect ratio nanorods are bent and broken with the AFM tip.

引用

页码：4322 / 4326

页数：5

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