Silver coated aluminium microrods as highly colloidal stable SERS platforms

被引：20

作者：

Pazos-Perez, Nicolas ^{[1
]}

Borke, Tina ^{[1
]}

Andreeva, Daria V. ^{[1
]}

Alvarez-Puebla, Ramon A. ^{[2
]}

机构：

[1] Univ Bayreuth, Dept Phys Chem 2, D-95440 Bayreuth, Germany

[2] Univ Vigo, Dept Phys Chem, Vigo 36310, Spain

来源：

NANOSCALE | 2011年 / 3卷 / 08期

关键词：

FACILE PREPARATION; NANOSTRUCTURES; MICROBEADS;

D O I：

10.1039/c1nr10403a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report on the fabrication of a novel material with the ability to remain in solution even under the very demanding conditions required for structural and dynamic characterization of biomacromolecule assays. This stability is provided by the increase in surface area of a low density material (aluminium) natively coated with a very hydrophilic surface composed of aluminium oxide (Al2O3) and metallic silver nanoparticles. Additionally, due to the dense collection of active hot spots on their surface, this material offers higher levels of SERS intensity as compared with the same free and aggregated silver nanoparticles.

引用

页码：3265 / 3268

页数：4

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