Observation of a Burstein-Moss shift in rhenium-doped MoS2 nanoparticles.

  title={Observation of a Burstein-Moss shift in rhenium-doped MoS2 nanoparticles.},
  author={Qi Sun and L Yadgarov and Rita Rosentsveig and Gotthard Seifert and Reshef Tenne and Janice L Musfeldt},
  journal={ACS nano},
  volume={7 4},
We investigated the optical properties of rhenium-doped MoS2 nanoparticles and compared our findings with the pristine and bulk analogues. Our measurements reveal that confinement softens the exciton positions and reduces spin-orbit coupling, whereas doping has the opposite effect. We model the carrier-induced exciton blue shift in terms of the Burstein-Moss effect. These findings are important for understanding doping and finite length scale effects in low-dimensional nanoscale materials. 

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