Surface enhanced raman spectroscopy using silver nanoparticles: The effects of particle size and halide ions on aggregation

Garry P. Glaspell; Chen Zuo; Paul W. Jagodzinski

doi:10.1007/s10876-005-2714-x

Surface enhanced raman spectroscopy using silver nanoparticles: The effects of particle size and halide ions on aggregation

Garry P. Glaspell, Chen Zuo, Paul W. Jagodzinski

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

A surface enhanced Raman spectroscopy (SERS) investigation of the aggregation of silver nanoparticles formed via LVCC with diameters in the range 5-50 nm were studied. It was found that with 647.1 nm excitation maximum enhancement is observed using particles with 11 nm diameters. Upon addition of sodium halides, enhancement is proportional to the polarizability of the anion. Maximum enhancement was observed when the concentration of the anion is approximately equal to the concentration of the adsorbate.

Original language	English (US)
Pages (from-to)	39-51
Number of pages	13
Journal	Journal of Cluster Science
Volume	16
Issue number	1
DOIs	https://doi.org/10.1007/s10876-005-2714-x
State	Published - Mar 2005
Externally published	Yes

Keywords

Aggregation
Halide
Nanoparticles
SERS
Silver

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Biochemistry
General Materials Science

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10.1007/s10876-005-2714-x

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abstract = "A surface enhanced Raman spectroscopy (SERS) investigation of the aggregation of silver nanoparticles formed via LVCC with diameters in the range 5-50 nm were studied. It was found that with 647.1 nm excitation maximum enhancement is observed using particles with 11 nm diameters. Upon addition of sodium halides, enhancement is proportional to the polarizability of the anion. Maximum enhancement was observed when the concentration of the anion is approximately equal to the concentration of the adsorbate.",

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AB - A surface enhanced Raman spectroscopy (SERS) investigation of the aggregation of silver nanoparticles formed via LVCC with diameters in the range 5-50 nm were studied. It was found that with 647.1 nm excitation maximum enhancement is observed using particles with 11 nm diameters. Upon addition of sodium halides, enhancement is proportional to the polarizability of the anion. Maximum enhancement was observed when the concentration of the anion is approximately equal to the concentration of the adsorbate.

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KW - Halide

KW - Nanoparticles

KW - SERS

KW - Silver

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Surface enhanced raman spectroscopy using silver nanoparticles: The effects of particle size and halide ions on aggregation

Abstract

Keywords

ASJC Scopus subject areas

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