Direct transformation of crystalline MoO3 into few-layers MoS2

Journal article (2020)

Authors

Felix Carrascoso Instituto de Ciencia de Materiales de Madrid (ICMM)
Gabriel Sánchez-Santolino Instituto de Ciencia de Materiales de Madrid (ICMM), Universidad Complutense de Madrid
C. Hsu Kavli institute of nanoscience Delft, QN/van der Zant Lab - AS
Norbert M. Nemes Universidad Complutense de Madrid
Almudena Torres-Pardo Universidad Complutense de Madrid
Patricia Gant Instituto de Ciencia de Materiales de Madrid (ICMM)
Federico Mompean Instituto de Ciencia de Materiales de Madrid (ICMM)
Kourosh Kalantar-zadeh University of New South Wales
José A. Alonso Instituto de Ciencia de Materiales de Madrid (ICMM)
More Authors... External organisation
Research Group
QN/van der Zant Lab (AS) (TU Delft)
Copyright: © 2020 Felix Carrascoso, Gabriel Sánchez-Santolino, C. Hsu, Norbert M. Nemes, Almudena Torres-Pardo, Patricia Gant, Federico J. Mompeán, Kourosh Kalantar-zadeh, José A. Alonso, More Authors
DOI: https://doi.org/10.3390/ma13102293
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Published Date

2020

Language

English

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Faculty

Applied Sciences

Department

QN/Quantum Nanoscience

Research Group

QN/van der Zant Lab

Abstract

We fabricated large-area atomically thin MoS2 layers through the direct transformation of crystalline molybdenum trioxide (MoO3) by sulfurization at relatively low temperatures. The obtained MoS2 sheets are polycrystalline (~10-20 nm single-crystal domain size) with areas of up to 300 × 300 μm2, 2-4 layers in thickness and show a marked p-type behavior. The synthesized films are characterized by a combination of complementary techniques: Raman spectroscopy, X-ray diffraction, transmission electron microscopy and electronic transport measurements.

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