Journal
NANOTECHNOLOGY
Volume 31, Issue 7, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/ab5077
Keywords
ball milling; molybdenum disulfide; nanosheet; electrocatalyst; exfoliation; sodium cholate; XRD
Funding
- JSPS Japan-Russia Bilateral Joint Research Program [17F17335]
- [P17335]
- Grants-in-Aid for Scientific Research [17F17335] Funding Source: KAKEN
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Unique properties and potential applications of 2D materials draw much attention for mass production of thin-layer 2D materials. Ball milling exfoliation of 2D materials has been rarely used, in spite of a promising dry phase production method, because of the superficial information in the mechanism and the effect of the operating parameters on the yield, size and thickness. Here, we investigate systematically the ball milling operating parameters in the exfoliation of bulk MoS2 in the presence of sodium cholate (SC) as an exfoliant. The yield and dimensions of the exfoliated MoS2 nanosheet were monitored by changing the parameters such as the weight ratio of bulk MoS2 and SC (SC/MoS2), the filling ratio in the volume of milling ball and container (?), milling ball size (d(B)), milling revolution speed (n(R)), and initial mass of bulk MoS2 (mMoS2
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