DOI: 10.1002/anie.201402315. Ultrathin WS<sub>2</sub> Nanoflakes as a High‐Performance Electrocatalyst for the Hydrogen Evolution Reaction

Ultrathin WS2 Nanoflakes as a High‐Performance Electrocatalyst for the Hydrogen Evolution Reaction

10.1002/anie.201402315

Crossref journal-article

Wiley

Angewandte Chemie International Edition (311)

Abstract

AbstractMuch has been done to search for highly efficient and inexpensive electrocatalysts for the hydrogen evolution reaction (HER), which is critical to a range of electrochemical and photoelectrochemical processes. A new, high‐temperature solution‐phase method for the synthesis of ultrathin WS2 nanoflakes is now reported. The resulting product possesses monolayer thickness with dimensions in the nanometer range and abundant edges. These favorable structural features render the WS2 nanoflakes highly active and durable catalysts for the HER in acids. The catalyst exhibits a small HER overpotential of approximately 100 mV and a Tafel slope of 48 mV/decade. These ultrathin WS2 nanoflakes represent an attractive alternative to the precious platinum benchmark catalyst and rival MoS2 materials that have recently been heavily scrutinized for the electrocatalytic HER.

Bibliography

Cheng, L., Huang, W., Gong, Q., Liu, C., Liu, Z., Li, Y., & Dai, H. (2014). Ultrathin WS2 Nanoflakes as a HighâPerformance Electrocatalyst for the Hydrogen Evolution Reaction. Angewandte Chemie International Edition, 53(30), 7860â7863. Portico.

Authors 7

Liang Cheng (first)
Wenjing Huang (additional)
Qiufang Gong (additional)
Changhai Liu (additional)
Zhuang Liu (additional)
Yanguang Li (additional)
Hongjie Dai (additional)

References 31 Referenced 657

Dates

Type	When
Created	11 years, 3 months ago (May 18, 2014, 6:45 p.m.)
Deposited	1 year, 10 months ago (Oct. 16, 2023, 2:47 p.m.)
Indexed	1 day, 19 hours ago (Aug. 28, 2025, 8:32 a.m.)
Issued	11 years, 3 months ago (May 18, 2014)
Published	11 years, 3 months ago (May 18, 2014)
Published Online	11 years, 3 months ago (May 18, 2014)
Published Print	11 years, 1 month ago (July 21, 2014)

Funders 0

None

BibTeX

@article{Cheng_2014, title={Ultrathin WS2 Nanoflakes as a High‐Performance Electrocatalyst for the Hydrogen Evolution Reaction}, volume={53}, ISSN={1521-3773}, url={http://dx.doi.org/10.1002/anie.201402315}, DOI={10.1002/anie.201402315}, number={30}, journal={Angewandte Chemie International Edition}, publisher={Wiley}, author={Cheng, Liang and Huang, Wenjing and Gong, Qiufang and Liu, Changhai and Liu, Zhuang and Li, Yanguang and Dai, Hongjie}, year={2014}, month=may, pages={7860–7863} }

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