Figure 2 | Scientific Reports

Figure 2

From: Nanocavity-induced trion emission from atomically thin WSe2

Figure 2

PL emission from monolayer WSe2 embedded in different configurations at a temperature of 77 K. The CW pump laser has energy of 2.33 eV (a) and 1.96 eV (b). The configurations consist of plasmonic nanocavity (WSe2/Nanocavity), monolayer WSe2 on gold-film substrate (WSe2/Au Film), monolayer WSe2 on sapphire (WSe2/Sapphire) and pure plasmonic nanocavity (Pure Nanocavity). The PL measurements were conducted with a laser power of 20 μW.

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