Surface-enhanced Raman spectroscopy characterisation of functionalised multi-walled carbon nanotubes

被引：13

作者：

Botti, Sabina ^{[1
]}

Laurenzi, Susanna ^{[2
]}

Mezi, Luca ^{[1
]}

Rufoloni, Alessandro ^{[3
]}

Santonicola, M. Gabriella ^{[4
]}

机构：

[1] ENEA, Applicat Radiat Tech Unit, UTAPRAD MNF, I-00044 Frascati, Italy

[2] Univ Roma La Sapienza, Dept Astronaut Elect & Energy Engn, I-00138 Rome, Italy

[3] ENEA, Fus Tech Unit, I-00044 Frascati, Italy

[4] Univ Roma La Sapienza, Dept Chem Mat Environm Engn, I-00161 Rome, Italy

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2015年 / 17卷 / 33期

关键词：

BREATHING-LIKE MODES; DISPERSION; SCATTERING; DNA; COMPOSITE; SERS;

D O I：

10.1039/c4cp05075d

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：

Multi-walled nanotube (MWNT) functionalisation was investigated by surface-enhanced Raman spectroscopy (SERS). The MWNTs were deposited as dilute dispersions on SERS-active substrates. We used nanostructured gold surfaces with various morphologies for our measurements. The surface enhancement effect was used to amplify the Raman signal from functional molecules bound to the nanotube walls. The recorded spectral features allowed for discrimination between the differently functionalised MWNTs. Although the present study is limited to a few examples, our measurements indicate the higher specificity obtained by the SERS approach and its possible use for a systematic study of functionalisation effects on MWNT structures.

引用

页码：21373 / 21380

页数：8

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