Observation of Rapid Exciton–Exciton Annihilation in Monolayer Molybdenum Disulfide

Monolayer MoS2 is a direct-gap two-dimensional semiconductor that exhibits strong electron–hole interactions, leading to the formation of stable excitons and trions. Here we report the existence of efficient exciton–exciton annihilation, a four-body interaction, in this material. Exciton–exciton ann...

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Veröffentlicht in:	Nano letters Jg. 14; H. 10; S. 5625 - 5629
Hauptverfasser:	Sun, Dezheng, Rao, Yi, Reider, Georg A, Chen, Gugang, You, Yumeng, Brézin, Louis, Harutyunyan, Avetik R, Heinz, Tony F
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Washington, DC American Chemical Society 08.10.2014
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Density Electron states Electron-hole interaction Exact sciences and technology Excitation Excitons Excitons and related phenomena Molybdenum disulfide Monolayers Physics Semiconductors Trions MoS2 transient absorption spectroscopy exciton dynamics exciton−exciton annihilation Excitons Semiconductor materials Strong interactions Monolayers Electron interaction Molybdenum Trion
ISSN:	1530-6984, 1530-6992, 1530-6992
Online-Zugang:	Volltext
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