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Enhanced Photoluminescence Emission from Monolayer MoS2 Using Single Plasmonic Antenna

Plasmonic Antenna

Plasmonic Antenna

Plasmonic Antenna

Single
optical antenna fabricated on a monolayer MoS2 enhances PL emission up to 4x
times.


Two-dimensional materials have been
receiving wide attention for applications in semiconductor optoelectronics,
however monolayer thickness limits the light-matter interactions resulting in
poor light emission and absorption. Aydin group recently demonstrated
enhanced light emission from plasmonic nanodisk arrays due to localized surface plasmon resonances. In a collaborative
effort between Aydin and Lauhon
groups, single dipole and bowtie gold nanoantennas with sub-20nm gaps have been shown
to increase photoluminescence emission from a monolayer MoS2.