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. 2016 Apr 26;6:25041. doi: 10.1038/srep25041

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Normalized PL spectra for (a) MoS₂ and (b) MoSe₂ taken with unpolarized 532 nm excitation at selected temperatures. Spectra are offset for clarity. Temperature dependent shift of the exciton emission energy in (c) MoS₂ and (d) MoSe₂.