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. 2016 Sep 22;6:33890. doi: 10.1038/srep33890

Figure 2.

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.