Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 4, Issue 1, Pages 1-5Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am201455x
Keywords
Au opening-nanoshell; ordered arrays; sputtering deposition; tunable SPR; electromagnetic Coupling; SERS
Funding
- National Basic Research Program of China (973 Program) [2011CB302103]
- Natural Science Foundation of China [10704075, 10974203, 50831005]
- provincial Natural Science Foundation of Anhui [11040606M62]
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Au opening-nanoshell ordered arrays with tunable local surface plasmon resonance (SPR) property have been fabricated based on sputtering deposition onto monolayer colloidal crystal. The changes in local SPR peak for the arrays can be well tuned from visible to near-infrared region with decreasing of the spacing between two neighbor opening-nanoshells. It has been revealed that the changes of SPR peak originate from the electromagnetic coupling between two adjacent Au opening-nanoshells. This study is important to design and fabricate surface-enhanced Raman scattering substrates with high activity and practical application.
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