Readily Available “Stock Solid” of MoS 2  and WS 2  Nanosheets through Solid‐Phase Exfoliation for Highly Concentrated Dispersions in Water | Zendy

Liu Gang | Zendy; Komatsu Naoki | Zendy

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Readily Available “Stock Solid” of MoS 2 and WS 2 Nanosheets through Solid‐Phase Exfoliation for Highly Concentrated Dispersions in Water

Author(s) -

Liu Gang,

Komatsu Naoki

Publication year - 2016

Publication title -

chemnanomat

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.947

H-Index - 32

ISSN - 2199-692X

DOI - 10.1002/cnma.201600116

Subject(s) - molybdenum disulfide , tungsten disulfide , exfoliation joint , materials science , chemical engineering , tungsten , brine , ball mill , nanotechnology , chemistry , metallurgy , graphene , organic chemistry , engineering

We report a facile method for large‐scale exfoliation of bulk molybdenum disulfide (MoS 2 ) and tungsten disulfide (WS 2 ) in the presence of sodium cholate through ball milling. The exfoliated sample can be stored as a “stock solid” and is readily dispersed in water just by shaking by hand, giving a highly concentrated dispersion (up to 4.2 and 2.6 mg mL −1 ) of MoS 2 and WS 2 nanosheets with up to 93 % and 57 % yields, respectively, after centrifugation.

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