Gold Nanotubes as Sensitive, Solution-Suspendable Refractive Index Reporters

被引：33

作者：

Bridges, Colin R. ^{[1
]}

DiCarmine, Paul M. ^{[1
]}

Seferos, Dwight S. ^{[1
]}

机构：

[1] Univ Toronto, Dept Chem, Toronto, ON M5S 3H6, Canada

来源：

CHEMISTRY OF MATERIALS | 2012年 / 24卷 / 06期

基金：

加拿大自然科学与工程研究理事会;

关键词：

gold; nanotubes; surface plasmon resonance; sensing; refractive index; PLASMON RESONANCES; SURFACE; NANORODS; NANOPARTICLES; NANOCAGES; ARRAYS;

D O I：

10.1021/cm203184d

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report the synthesis of solution-suspendable hollow gold nanotubes and study their plasmonic properties as both an aligned array and in solution. In solution, we observe the transverse and longitudinal modes expected for anisitropic gold nanostructures, as well as a quadrupole resonance. Gold nanotubes exhibit refractive index sensitivities of 1568 nm/RIU. © 2012 American Chemical Society.

引用

页码：963 / 965

页数：3

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