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Issue 114, 2016, Issue in Progress
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Protein-induced ultrathin molybdenum disulfide (MoS2) flakes for a water-based lubricating system

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Abstract

Monolayer or ultrathin transition metal dichalcogenides cover a wide range of atomically thin two-dimensional (2D) materials, whose fascinating properties have made them promising candidates for many applications. In this work, ultrathin MoS2 flakes were successfully exfoliated, induced by bovine serum albumin (BSA) or hemoglobin (HB), under vigorous ultra-sonication. They were used as additives for water-based lubricating systems and related investigations indicated that they could improve the friction performance and anti-wear abilities at a relatively low concentration: 0.10 wt% of additive contents can make the average friction coefficient stabilize in the range between 0.06 and 0.08, which results from the formation of a dynamic protective film on the friction surfaces. The protein-induced ultrathin MoS2 flakes are also expected to be useful for other hydrophilic lubrication systems, which possess great scientific value and promising application prospects compared with bulk or microscale lubricating additives.

Graphical abstract: Protein-induced ultrathin molybdenum disulfide (MoS2) flakes for a water-based lubricating system

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Article information


Submitted
24 Sep 2016
Accepted
24 Nov 2016
First published
25 Nov 2016

RSC Adv., 2016,6, 113315-113321
Article type
Paper

Protein-induced ultrathin molybdenum disulfide (MoS2) flakes for a water-based lubricating system

L. Liu, Z. Liu, P. Huang, Z. Wu and S. Jiang, RSC Adv., 2016, 6, 113315
DOI: 10.1039/C6RA23786J

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