Abstract
The author reports the mass production of dense inorganic graphene-like exfoliated single-crystalline niobium diselenide (NbSe2) (004) multilayered nanosheets standing on quartz substrate. Similar to the most-used micromechanical cleavage to exfoliated NbSe2 nanosheets, the synthesis was performed starting directly from bulk powdered counterparts, but using a novel type of substrate-irrelevant vapor-phase exfoliation. A possible intercalant-assisted thermal cleavage growth mechanism for the NbSe2-derived nanosheets, including a combination of intercalant injection-atomic delamination-thermal exfoliation-lateral growth, is discussed. This two-component nanosheet-forming technique appears to potentially work on homologous series of sandwich-type inorganic layered 2H transition-metal dichalcogenide compounds under proper experimental conditions as well.
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Li, JM. Mass production of graphene-like single-crystalline NbSe2 (004) nanosheets via intercalant-assisted thermal cleavage. Appl. Phys. A 99, 229–235 (2010). https://doi.org/10.1007/s00339-009-5505-7
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DOI: https://doi.org/10.1007/s00339-009-5505-7