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. 2016 Jan 8;6:18735. doi: 10.1038/srep18735

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Triple-Gaussian fitting of the PL spectra from the two films at 230 K (a),(d) and 350 K (b), (e). (e) Arrhenius plot and calculated activation energies for the Gaussian components of the PL spectra for the 2% Bi film (c) and the 4% Bi film (f).