Figure 2 | Scientific Reports

Figure 2

From: Bound exciton and free exciton states in GaSe thin slab

Figure 2

(a) Normalized PL spectra under different sample temperature ranging from 10 K to 290 K. (b) PL spectrum and muli-peak fitting curves at T = 60 K. (c) Absorption peak (black squares) and free exciton PL peak (red circles) as a function of temperature, where bars represent the FWHMs.

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