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. 2017 Dec 14;8:2117. doi: 10.1038/s41467-017-02286-6

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© The Author(s) 2017

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Fig. 4 — Energy composition of the A exciton on various substrates. We consider vacuum, an SiO₂ and an Au(111) substrate at a distance of 3 Å (see a). For each system the bandgap E _g, the excitation energy Ω^A and the binding energy E _b are given in b