Two-Dimensional Nanosheets Produced by Liquid Exfoliation of Layered Materials

@article{Coleman2011TwoDimensionalNP,
  title={Two-Dimensional Nanosheets Produced by Liquid Exfoliation of Layered Materials},
  author={Jonathan N. Coleman and Mustafa Lotya and Arlene O’Neill and Shane D. Bergin and Paul J. King and Umar Saeed Khan and Karen Young and Alexandre Gaucher and Sukanta De and Ronan J. Smith and Igor V. Shvets and Sunil K. Arora and George Stanton and Hye-Young Kim and Kangho Lee and Gyu-Tae Kim and Georg S. Duesberg and Toby Hallam and John J. Boland and Jing Jing Wang and John F. Donegan and Jaime C. Grunlan and Gregory P. Moriarty and Aleksey Shmeliov and Rebecca J. Nicholls and James Michael Perkins and Eleanor M. Grieveson and Koenraad Theuwissen and David W. McComb and Peter D. Nellist and Valeria Nicolosi},
  journal={Science},
  year={2011},
  volume={331},
  pages={568 - 571}
}
Layered transition metal dichalcogenides, such as tungsten disulfide, are exfoliated into atomically thin flakes. If they could be easily exfoliated, layered materials would become a diverse source of two-dimensional crystals whose properties would be useful in applications ranging from electronics to energy storage. We show that layered compounds such as MoS2, WS2, MoSe2, MoTe2, TaSe2, NbSe2, NiTe2, BN, and Bi2Te3 can be efficiently dispersed in common solvents and can be deposited as… 
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References

SHOWING 1-10 OF 36 REFERENCES

Structures of exfoliated single layers of WS 2 , MoS 2 , and MoSe 2 in aqueous suspension

Single layers of the transition-metal dichalcogenides WS 2 , MoS 2 , and MoSe 2 were formed as aqueous suspensions by lithium intercalation and exfoliation of crystalline powders and examined by…

MoS2 and WS2 analogues of graphene.

This work aims to prepare graphene-like MoS2 and WS2, which are quasi-two-dimensional compounds in which the atoms within the layer are held together by strong covalent forces while van der Waals interaction enables stacking of the layers.

Preparation and electrical conductivity of polyethers/WS2 layered nanocomposites

High-yield production of graphene by liquid-phase exfoliation of graphite.

Graphene dispersions with concentrations up to approximately 0.01 mg ml(-1), produced by dispersion and exfoliation of graphite in organic solvents such as N-methyl-pyrrolidone are demonstrated.

Exfoliated oxide nanosheets: new solution to nanoelectronics

Two-dimensional (2D) nanosheets obtained via exfoliation of layered compounds have attracted intense research in recent years. In particular, the development of exotic 2D systems such as stable…

Preparation of nanocomposites containing poly(ethylene oxide) and layered solids

High-Thermoelectric Performance of Nanostructured Bismuth Antimony Telluride Bulk Alloys

Electrical transport measurements, coupled with microstructure studies and modeling, show that the ZT improvement is the result of low thermal conductivity caused by the increased phonon scattering by grain boundaries and defects, which makes these materials useful for cooling and power generation.

High-performance elastomeric nanocomposites via solvent-exchange processing.

This work preferentially reinforce the hard microdomains of thermoplastic elastomers with smectic clay of similar characteristic dimensions using a new solvent-exchange approach, which results in significant thermomechanical enhancement and expands high-temperature applications.

Single-layer MoS2

Synthesis and optical properties of MoS2 and isomorphous nanoclusters in the quantum confinement regime

Highly crystalline nanoclusters of hexagonal (2H polytype) MoS2 and several of its isomorphous Mo and W chalcogenides have been synthesized with excellent control over cluster size down to ∼2 nm.…