Tunable 3D Extended Self-Assembled Gold Metamaterials with Enhanced Light Transmission

Tunable 3D Extended Self-Assembled Gold Metamaterials with Enhanced Light Transmission

The optical properties of metamaterials made by block copolymer self‐assembly are tuned by structural and environmental variations. The plasma frequency red‐shifts with increasing lattice constant and blue‐shifts as the network filling fraction increases. Infiltration with dielectric liquids leads a...

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Veröffentlicht in:Advanced materials (Weinheim) 2013-05, Vol.25 (19), p.2713-2716
Hauptverfasser: Salvatore, Stefano, Demetriadou, Angela, Vignolini, Silvia, Oh, Sang Soon, Wuestner, Sebastian, Yufa, Nataliya A., Stefik, Morgan, Wiesner, Ulrich, Baumberg, Jeremy J., Hess, Ortwin, Steiner, Ullrich
Format: Artikel
Sprache:eng
Schlagworte:
block copolymers
Crystallization - methods
Dielectrics
Gold
Gold - chemistry
gyroid
Infiltration
Lattice parameters
Light
Luminescent Measurements - methods
Materials Testing
Metal Nanoparticles - chemistry
Metal Nanoparticles - ultrastructure
Metamaterials
Optical properties
optical tuning
Particle Size
Scattering, Radiation
Self assembly
Three dimensional
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Zusammenfassung:The optical properties of metamaterials made by block copolymer self‐assembly are tuned by structural and environmental variations. The plasma frequency red‐shifts with increasing lattice constant and blue‐shifts as the network filling fraction increases. Infiltration with dielectric liquids leads also to a red‐shift of the plasma edge. A 300 nm‐thick slab of gyroid‐structured gold has a remarkable transmission of 20%.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201300193