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. 2018 Mar 16;11(3):431. doi: 10.3390/ma11030431

Figure 9.

Figure 9

Absorption spectra of monolayer CSe in xy plane (red line) and along z axis (blue line). (a) pristine monolayer CSe; (bd) S-doping at concentrations of 1.56%, 2.78% and 6.25%, respectively; (e) O-doping at 6.25%; (f) Te-doping at 6.25%.