Microwave mediated synthesis of layered MoS2 nanostructures and its conversion to MoO3 nanoparticles

The article describes the synthesis of nano-MoS2 and its subsequent conversion to MoO3 nanoplatelets in a household microwave oven. [Display omitted] •Synthesis of MoS2 nanoparticles from Ammonium heptamolybdate and thiourea.•Use of household microwave oven eliminating the requirement of sophisticat...

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Bibliographic Details
Published in:Inorganic chemistry communications 2023-07, Vol.153, p.110737, Article 110737
Main Authors: Phalswal, Priyanka, Gadhok, Mudit, Khanna, Pawan K.
Format: Article
Language:English
Subjects:
Molybdenum Dichalcogenides
MoO3
MoS2
Raman
XPS
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Summary:The article describes the synthesis of nano-MoS2 and its subsequent conversion to MoO3 nanoplatelets in a household microwave oven. [Display omitted] •Synthesis of MoS2 nanoparticles from Ammonium heptamolybdate and thiourea.•Use of household microwave oven eliminating the requirement of sophisticated setup.•Rapid energy and time saving synthesis.•Transformation of MoS2 to MoO3 via calcination.•Phase purity analysis by XRD and XPS. Few-layer nanosheets of MoS2 were chemically synthesized in a household microwave oven using ammonium heptamolybdate, thiourea and hydrazine hydrate in ethylene glycol. The binding energies values of 226.1 (S 2s) and 229.16, 232.16 eV for Mo 3d confirmed the formation of MoS2. The so-obtained MoS2 nanosheets were converted to phase pure nanoplatelets of MoO3via sintering process with an average crystallite size of about 30–35 nm.
ISSN:1387-7003
1879-0259
DOI:10.1016/j.inoche.2023.110737