DNA 引导各向异性等离子体纳米结构的自组装。
DNA directed self-assembly of anisotropic plasmonic nanostructures.
机构信息
The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States.
出版信息
J Am Chem Soc. 2011 Nov 9;133(44):17606-9. doi: 10.1021/ja207898r. Epub 2011 Oct 17.
PMID:21981707
Abstract
Programmable positioning of one-dimensional (1D) gold nanorods (AuNRs) was achieved by DNA directed self-assembly. AuNR dimer structures with various predetermined inter-rod angles and relative distances were constructed with high efficiency. These discrete anisotropic metallic nanostructures exhibit unique plasmonic properties, as measured experimentally and simulated by the discrete dipole approximation method.
摘要
通过 DNA 导向自组装实现了一维 (1D) 金纳米棒 (AuNR) 的可编程定位。高效构建了具有各种预定棒间角度和相对距离的 AuNR 二聚体结构。这些离散各向异性金属纳米结构表现出独特的等离子体特性，这通过离散偶极子近似方法进行了实验和模拟测量。
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