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Direct Transformation of Crystalline MoO3 into Few-Layers MoS2

AuthorsCarrascoso, Felix; Sánchez-Santolino, Gabriel; Hsu, Chun-wei; Nemes, Norbert M.; Torres-Pardo, Almudena; Gant, Patricia; Mompeán, Federico J.; Kalantar-zadeh, Kourosh; Alonso, José A.; García-Hernández, Mar; Frisenda, Riccardo; Castellanos-Gómez, Andrés
Issue Date15-May-2020
PublisherMultidisciplinary Digital Publishing Institute
CitationMaterials 13 (10): 2293 (2020)
AbstractWe fabricated large-area atomically thin MoS<sub>2</sub> layers through the direct transformation of crystalline molybdenum trioxide (MoO<sub>3</sub>) by sulfurization at relatively low temperatures. The obtained MoS<sub>2</sub> sheets are polycrystalline (~10–20 nm single-crystal domain size) with areas of up to 300 × 300 µm<sup>2</sup>, 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.
Identifiersdoi: 10.3390/ma13102293
Appears in Collections:Colección MDPI
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