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Sci Rep. 2013;3:1866. doi: 10.1038/srep01866.

Controlled scalable synthesis of uniform, high-quality monolayer and few-layer MoS2 films.

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1
Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695, USA.

Abstract

Two dimensional (2D) materials with a monolayer of atoms represent an ultimate control of material dimension in the vertical direction. Molybdenum sulfide (MoS2) monolayers, with a direct bandgap of 1.8 eV, offer an unprecedented prospect of miniaturizing semiconductor science and technology down to a truly atomic scale. Recent studies have indeed demonstrated the promise of 2D MoS2 in fields including field effect transistors, low power switches, optoelectronics, and spintronics. However, device development with 2D MoS2 has been delayed by the lack of capabilities to produce large-area, uniform, and high-quality MoS2 monolayers. Here we present a self-limiting approach that can grow high quality monolayer and few-layer MoS2 films over an area of centimeters with unprecedented uniformity and controllability. This approach is compatible with the standard fabrication process in semiconductor industry. It paves the way for the development of practical devices with 2D MoS2 and opens up new avenues for fundamental research.

PMID:
23689610
PMCID:
PMC3659320
DOI:
10.1038/srep01866
[Indexed for MEDLINE]
Free PMC Article
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