Evolution of Electronic Structure in Atomically Thin Sheets of WS<sub>2</sub> and WSe<sub>2</sub>

Zhao, Weijie; Ghorannevis, Zohreh; Chu, Leiqiang; Toh, Minglin; Kloc, Christian; Tan, Ping‐Heng; Eda, Goki

doi:10.1021/nn305275h

Public

Evolution of Electronic Structure in Atomically Thin Sheets of WS2 and WSe2

Published in ACS Nano • Dec 20, 2012

Authors:

Weijie Zhao

Zohreh Ghorannevis

Leiqiang Chu

Abstract

Geometrical confinement effect in exfoliated sheets of layered materials leads to significant evolution of energy dispersion in mono- to few-layer thickness regime. Molybdenum disulfide (MoS(2)) was recently found to exhibit indirect-to-direct gap transition when the thickness is reduced to a single...

Subject

Photoluminescence

Materials science

Monolayer

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