Abstract
This work raises the possibility that the unrefined mineral molybdenite could be used as a cost-effective source of MoS2 nanosheets.
Highlights
Thin graphene exhibits exceptional electronic, optical and mechanical properties.[1]
The exfoliated MoS2 dispersions were characterised by UV-Vis spectroscopy, Raman spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy ((S)transmission electron microscope (TEM)) and energy dispersive X-ray (EDX) spectroscopy
The UV-Vis data was modi ed to remove the background noise associated with the scattering exponent of the MoS2 nanosheets.[24]
Summary
Thin graphene exhibits exceptional electronic, optical and mechanical properties.[1]. These sheets are bound together by weak van der Waals forces, just as in graphite.[5] Of these 2D-TMDC materials, MoS2 nanosheets are potentially a useful semiconducting component in a series of devices.[6,7] In addition, molybdenum disul de exhibits considerable anisotropy, giving rise to novel electronic, optical, structural and mechanical properties in its 2D form (2D-MoS2). Due to these properties 2D-MoS2 has been shown to be a suitable material for inclusion in a myriad of potential applications that includes photochemical sensors,[8,9] optoelectronics,[10,11]. The potential to obtain MoS2 nanosheet from these sources by employing the Coleman method of MoS2 exfoliation is detailed in this report.[24,25] The nanomaterials produced have been subject to a comparison of exfoliation efficiency, as well as compositional and structural features, relative to the nanosheets produced from MoS2 powder documented in the literature.[24]
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