Journal
ACS NANO
Volume 7, Issue 4, Pages 3506-3511Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn400464g
Keywords
chalcogenides; nanoparticles; Burstein-Moss effect; spin-orbit coupling; optical conductivity
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Funding
- U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-FG02-01ER45885]
- NanoMaterials, Ltd.
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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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