Tunable Fabrication of SERS-Active Noble Metal Nanoarrays

This work demonstrates the fabrication of uniform gold nanoarrays by utilizing self-assembled block copolymer (BCP) template, which enables us to finely tune the gold nanostructures by simply adjusting reaction time. We fabricated a series of evolutional gold nanostructures with different reaction t...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2018-07, Vol.392 (2), p.22016
Main Authors: Han, Z X, Xu, L N
Format: Article
Language:English
Subjects:
Block copolymers
Gold
Nanostructure
Noble metals
Reaction time
Self-assembly
Substrates
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Summary:This work demonstrates the fabrication of uniform gold nanoarrays by utilizing self-assembled block copolymer (BCP) template, which enables us to finely tune the gold nanostructures by simply adjusting reaction time. We fabricated a series of evolutional gold nanostructures with different reaction time, and investigated their corresponding SERS effects. Results show that the nanostructures have strong size-dependent Raman signal enhancement. This work provides a fast, simple and reproducible way to fabrication of SERS-active substrate with tunable nanostructures.
ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/392/2/022016