Nanospring electrochemical lithography (NEL): noble metal nanohelices

被引：7
|
作者：
Kim, Sang Min [1 ]
Kim, Dae Jin [2 ]
Park, Sungho [1 ,2 ]
机构：
[1] Sungkyunkwan Univ, Dept Energy Sci, Suwon 440746, South Korea
[2] Sungkyunkwan Univ, Dept Chem, Suwon 440746, South Korea
来源：
CHEMICAL COMMUNICATIONS | 2016年 / 52卷 / 75期
基金：
新加坡国家研究基金会;
关键词：
GOLD NANORODS; THIN-FILMS; SHAPE; FABRICATION; SCATTERING; NANORINGS; FRAMEWORK; GROWTH;
D O I：
10.1039/c6cc05925b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report three-dimensional helical Au nanostructures using anodized aluminum oxide (AAO) and the embedded Pd nanosprings, serving as primary and secondary templates, respectively. The resulting Au nano-helices exhibit strong SERS signals due to the electromagnetic field enhancement originating from the helical morphology; this behavior is seemingly analogous to that of a nano-gap enhancer. Nanospring electrochemical lithography (NEL) represents a new method for synthesizing complex helical nanostructures and has potential for application in materials science.
引用
收藏
页码：11255 / 11258
页数：4
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