Durable Plasmonic Cap Arrays on Flexible Substrate with Real-Time Optical Tunability for High-Fidelity SERS Devices

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Active tunable plasmonic cap arrays were fabricated on a flexible stretchable substrate using a combination of colloidal lithography, lift up soft lithography, and subsequent electrostatic assembly of gold nanoparticles. The arrangement of the plasmonic caps could be tuned under external strain to deform the substrate in reversible. Real-time variation in the arrangement could be used to tune the optical properties and the electromagnetic field enhancement, thereby a proving a promising mechanism for optimizing the SERS sensitivity.
Publisher
AMER CHEMICAL SOC
Issue Date
2013-06
Language
English
Article Type
Article
Keywords

ENHANCED RAMAN-SCATTERING; ELASTOMERIC SUBSTRATE; GOLD NANOPARTICLES; JANUS PARTICLES; RESONANCE; SENSORS; FILM; NANOCLUSTERS; DIMERS; SHELL

Citation

ACS APPLIED MATERIALS INTERFACES, v.5, no.11, pp.4569 - 4574

ISSN
1944-8244
DOI
10.1021/am400019v
URI
http://hdl.handle.net/10203/175085
Appears in Collection
CBE-Journal Papers(저널논문)
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