Journal of Colloid and Interface Science 517 (2018) 204–212 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Regular Article Understanding the exfoliation and dispersion of MoS nanosheets in pure water a,b a,b,⇑ c Han Ma , Zhigang Shen , Shuang Ben School of Materials Science and Engineering, Beihang University, Beijing 100191, China Beijing Key Laboratory for Powder Technology Research and Development, Beihang University, Beijing 100191, China School of Chemistry, Beihang University, Beijing 100191, China graphical a bstract ar ti c l e i nf o ab stra ct Article history: Exfoliation and dispersion of two dimensional (2D) transition metal dichacogenides (TMDCs) such as Received 7 October 2017 MoS in water are highly demanded. In this paper, we exfoliate MoS nanosheets in pure water via ultra- 2 2 Revised 2 November 2017 sonication and attempt to understand the exfoliation process and the dispersion behavior of hydrophobic Accepted 4 November 2017 MoS . Cavitation-induced exfoliation leads to thinning and fragmentation of MoS ﬂakes. Formation of 2 2 Available online 6 November 2017 mesoporous MoS sheets suggests that the exfoliation initiates from the basal planes. As for the disper- sion of MoS nanosheets in water, we
Journal of Colloid and Interface Science – Elsevier
Published: May 1, 2018
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