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Effect of Mechanical Grinding and Sonication on the Optical Properties of MoS2 Nanosheets

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Title Effect of Mechanical Grinding and Sonication on the Optical Properties of MoS2 Nanosheets
 
Creator Shweta
Singh, Vinamrita
Kumar, Kaushal
Kumar, Tanuj
Kumar, Arun
 
Subject Exfoliation
Molybdenum Disulphide (MoS2)
Optical Properties
UV-Vis Spectroscopy
 
Description 700-705
In the present study, MoS2 nanosheets are prepared by a two-step, grinding-assisted ultrasonication technique. Various
parameters governing the optical, electrical, and dielectric properties of the MoS2 nanosheets are determined from the
absorbance, reflectance, and transmittance spectra acquired using UV-Vis spectroscopy. These parameters are analysed with
change in grinding hours as well as for sonication effects. It is observed that the absorption coefficient, optical conductivity,
and dissipation factor increase (along with a decrease in refractive index) with increase in grinding hours and with
sonication. The obtained changes in the optical parameters are correlated with the number of exfoliated layers revealed by
Raman spectroscopy. The results of this study provide insightful information about the layer-dependent properties of MoS2
nanosheets and develop better understanding of how the synthesis routes are effective for tailoring the optical response of
MoS2 nanosheets.
 
Date 2023-12-22T11:05:48Z
2023-12-22T11:05:48Z
2023-12
 
Type Article
 
Identifier 0975-1017 (Online); 0971-4588 (Print)
http://nopr.niscpr.res.in/handle/123456789/63072
https://doi.org/10.56042/ijems.v30i5.6856
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJEMS Vol.30(5) [October]