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

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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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
Issue number10
Publication statusPublished - 2020


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


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