Fig. 5: Effect of the environment: substrate-supported MoSe2. | Nature Communications

Fig. 5: Effect of the environment: substrate-supported MoSe2.

From: Transient ultrafast and negative diffusion of charge carriers in suspended MoSe2 from multilayer to monolayer

Fig. 5

a Schematic view of a supported MoSe2 flake on a PDMS substrate. b Optical image of the flake with a monolayer (L = 1) region and a trilayer region (L = 3). c, d Time-resolved measurements, showing the transient reflectivity as a function of Δt, with Δx = 0, for a supported trilayer (c) and monolayer (d) at 2 μJ/cm2. e), f) Spatiotemporal measurements, showing the extracted squared width as a function of Δt for a supported trilayer (e) and monolayer (f) at 2 μJ/cm2. Multiple measurements are represented for each thickness, represented by different shades of the same color.

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