CUED Publications database

Electroluminescence in Single Layer MoS2

Sundaram, RS and Engel, M and Lombardo, A and Krupke, R and Ferrari, AC and Avouris, P and Steiner, M Electroluminescence in Single Layer MoS2. Nano Lett., 13. 1416-. (Unpublished)

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We detect electroluminescence in single layer molybdenum disulphide (MoS2) field-effect transistors built on transparent glass substrates. By comparing absorption, photoluminescence, and electroluminescence of the same MoS2 layer, we find that they all involve the same excited state at 1.8eV. The electroluminescence has pronounced threshold behavior and is localized at the contacts. The results show that single layer MoS2, a direct band gap semiconductor, is promising for novel optoelectronic devices, such as 2-dimensional light detectors and emitters.

Item Type: Article
Uncontrolled Keywords: cond-mat.mes-hall cond-mat.mes-hall cond-mat.mtrl-sci
Divisions: Div B > Solid State Electronics and Nanoscale Science
Div B > Photonics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 18:58
Last Modified: 24 Apr 2018 01:52