Discovery of Burstein-Moss shift in Re-doped MoS$_2$ nanoparticles

ORAL

Abstract

We investigated the optical properties of Re-doped MoS$_2$ nanoparticles and compared our findings with the pristine and bulk analogs. Our measurements reveal that confinement softens the exciton positions and reduces spin-orbit coupling whereas doping has the opposite effect. We model the doping-induced exciton blue shift in terms of the Burstein-Moss effect. These findings are important for understanding doping and finite length scale effects in model nanoscale materials.

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Authors

  • Qi Sun

    Department of Chemistry, University of Tennessee

  • Lena Yadgarov

    Department of Materials and Interfaces, Weizmann Institute of Science

  • Rita Rosentsveig

    Department of Materials and Interfaces, Weizmann Institute of Science

  • Gotthard Seifert

    Physikalische Chemie, Technische Universitat

  • Reshef Tenne

    Department of Materials and Interfaces, Weizmann Institute of Science

  • J.L. Musfeldt

    Department of Chemistry, University of Tennessee, University of Tennessee