A tunable Au core–Ag shell nanoparticle tip for tip-enhanced spectroscopy
Literature Information
Publication Date
2016-02-17
DOI
10.1039/C6AN00035E
Impact Factor
4.616
Authors
Woong Kim, Nara Kim, Eunbyoul Lee, Duckhoe Kim, Zee Hwan Kim, Joon Won Park
View Original
Abstract
A single Au nanoparticle (NP) with a diameter of 5 nm was transferred to the end of a Si-tip through a picking process, and an Ag shell with a controlled thickness was formed on the Au core. By carrying out tip-enhanced Raman scattering (TERS) measurements on biphenyl-4-thiol (BPT) with the Au@Ag NP–tip (overall diameter of 22–60 nm), we confirm that such tips show a plasmonic local-field enhancement which is sufficient for tip-enhanced spectro-microscopy.
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Analyst
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Recommended Compounds
![N-[2-Bromo-4-(trifluoromethoxy)phenyl]formamide structure](https://static.chemtradehub.com/structs/941/941294-53-7-f783.webp "N-[2-Bromo-4-(trifluoromethoxy)phenyl]formamide structure")
N-[2-Bromo-4-(trifluoromethoxy)phenyl]formamide
CAS Number:
941294-53-7
Molecular Formula:
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