Free-Standing Carbon Nanotube Films as Optical Accumulators for Multiplex SERRS Attomolar Detection

被引：16

作者：

Aldeanueva-Potel, Paula

Correa-Duarte, Miguel A.

Alvarez-Puebla, Ramon A. ^{[1
]}

Liz-Marzan, Luis M.

机构：

[1] Univ Vigo, Dept Quim Fis, Vigo 36310, Spain

来源：

ACS APPLIED MATERIALS & INTERFACES | 2010年 / 2卷 / 01期

关键词：

silver nanoparticles; CNTs; films; hot spots; SERS; ultradetection; ENHANCED RAMAN-SCATTERING; LANGMUIR-BLODGETT MONOLAYERS; SINGLE-NANOPARTICLE SERS; HOT-SPOTS; MOLECULE; SPECTROSCOPY;

D O I：

10.1021/am9008715

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A novel hybrid material comprising silver aggregates supported on the porous structure of a free-standing carbon nanotube him was devised and fabricated. This material readily allows filtration of large volumes of fluids, while retaining the active analytes on silver aggregates so that their characteristic surface-enhanced resonance Raman scattering signals could be registered. The direct identification of multiple analytes at the attomolar regime was readily achieved through their single-molecule spectra.

引用

页码：19 / 22

页数：4

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