Direct transformation of crystalline MoO3 into few-layers MoS2

Felix Carrascoso, Gabriel Sánchez-Santolino, Chun Wei Hsu, Norbert M. Nemes, Almudena Torres-Pardo, Patricia Gant, Federico J. Mompeán, Kourosh Kalantar-zadeh, José A. Alonso, More Authors

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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.

Original languageEnglish
Article number2293
Number of pages8
JournalMaterials
Volume13
Issue number10
DOIs
Publication statusPublished - 2020

Keywords

  • 2D materials
  • Molybdenum disulfide (MoS)
  • Molybdenum trioxide (MoO)
  • Sulfuration
  • Synthesis

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    Carrascoso, F., Sánchez-Santolino, G., Hsu, C. W., Nemes, N. M., Torres-Pardo, A., Gant, P., Mompeán, F. J., Kalantar-zadeh, K., Alonso, J. A., & More Authors (2020). Direct transformation of crystalline MoO3 into few-layers MoS2. Materials, 13(10), [2293]. https://doi.org/10.3390/ma13102293