DOI: 10.1002/adfm.201403863. One‐Pot, Facile, and Versatile Synthesis of Monolayer MoS<sub>2</sub>/WS<sub>2</sub> Quantum Dots as Bioimaging Probes and Efficient Electrocatalysts for Hydrogen Evolution Reaction

One‐Pot, Facile, and Versatile Synthesis of Monolayer MoS2/WS2 Quantum Dots as Bioimaging Probes and Efficient Electrocatalysts for Hydrogen Evolution Reaction

10.1002/adfm.201403863

Crossref journal-article

Wiley

Advanced Functional Materials (311)

Abstract

In this work, uniform molybdenum disulfide (MoS2)/tungsten disulfide (WS2) quantum dots are synthesized by the combination of sonication and solvothermal treatment of bulk MoS2/WS2 at a mild temperature. The resulting products possess monolayer thickness with an average size about 3 nm. The highly exfoliated and defect‐rich structure renders these quantum dots plentiful active sites for the catalysis of hydrogen evolution reaction (HER). The MoS2 quantum dots exhibit a small HER overpotential of ≈120 mV and long‐term durability. Moreover, the strong fluorescence, good cell permeability, and low cytotoxicity make them promising and biocompatible probes for in vitro imaging. In addition, this work may provide an alternative facile approach to synthesize the quantum dots of transition metal dichalcogenides or other layered materials on a large scale.

Bibliography

Xu, S., Li, D., & Wu, P. (2015). OneâPot, Facile, and Versatile Synthesis of Monolayer MoS2/WS2 Quantum Dots as Bioimaging Probes and Efficient Electrocatalysts for Hydrogen Evolution Reaction. Advanced Functional Materials, 25(7), 1127â1136. Portico.

Authors 3

Shengjie Xu (first)
Dian Li (additional)
Peiyi Wu (additional)

References 55 Referenced 784

Dates

Type	When
Created	10 years, 7 months ago (Jan. 8, 2015, 8:40 a.m.)
Deposited	1 year, 10 months ago (Oct. 6, 2023, 2:47 p.m.)
Indexed	1 day, 21 hours ago (Aug. 31, 2025, 6:26 a.m.)
Issued	10 years, 7 months ago (Jan. 8, 2015)
Published	10 years, 7 months ago (Jan. 8, 2015)
Published Online	10 years, 7 months ago (Jan. 8, 2015)
Published Print	10 years, 7 months ago (Feb. 1, 2015)

Funders 0

None

BibTeX

@article{Xu_2015, title={One‐Pot, Facile, and Versatile Synthesis of Monolayer MoS2/WS2 Quantum Dots as Bioimaging Probes and Efficient Electrocatalysts for Hydrogen Evolution Reaction}, volume={25}, ISSN={1616-3028}, url={http://dx.doi.org/10.1002/adfm.201403863}, DOI={10.1002/adfm.201403863}, number={7}, journal={Advanced Functional Materials}, publisher={Wiley}, author={Xu, Shengjie and Li, Dian and Wu, Peiyi}, year={2015}, month=jan, pages={1127–1136} }

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