Surface Enhanced Raman Scattering on Non-SERS Active Substrates and In Situ Electrochemical Study based on a Single Gold Microshell

A single gold microshell, which was elaborately fabricated to carry numerous hot spots on its own surface, enabled the acquisition of the SERS spectra from the molecules on non‐SERS active substrates such as Si/SiO2, ITO, and glass. A self‐assembled monolayer of 11‐mercaptoundecanols on the gold mic...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2013-04, Vol.25 (14), p.2056-2061
Main Authors: Kim, Solji, Piao, Lilin, Han, Donghoon, Kim, Beom Jin, Chung, Taek Dong
Format: Article
Language:English
Subjects:
Electrochemical Techniques
electrochemistry
Electrodes
Gold
Gold - chemistry
gold microshell
Hot spots
Monitoring
non-SERS-active surface
Raman scattering
raman spectroscopy
Silicon Dioxide - chemistry
Silicon substrates
Spectra
Spectrum Analysis, Raman
Surface chemistry
surface-enhanced Raman scattering
Tin Compounds - chemistry
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Summary:A single gold microshell, which was elaborately fabricated to carry numerous hot spots on its own surface, enabled the acquisition of the SERS spectra from the molecules on non‐SERS active substrates such as Si/SiO2, ITO, and glass. A self‐assembled monolayer of 11‐mercaptoundecanols on the gold microshell offered an easy and reliable way to electrically insulate from the underlying flat Pt electrode and accomplish in situ monitoring the electrochemical reaction with minimal interference.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201203187